.gitignore

@@ -1,2 +0,0 @@
-.idea
-.pio

examples/Brain/brain_test/brain_test.ino

@@ -1,7 +1,7 @@
 // Testing basic peripherals on Brain
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"

examples/Brain/program_esp32_cdc/esp_binaries.h

@@ -26,14 +26,16 @@
 #define ESP_BINARIES_H_
 
 // Configuration: select which bins to flash
-#define BIN_FILES BIN_C6_BLINK_IO8
+#define BIN_FILES BIN_DEVKIT_S3
 
 //--------------------------------------------------------------------+
 // LIST OF BINARIES
 //--------------------------------------------------------------------+
 
 #define BIN_ESP32_NINA_1_7_4 0 // nina 1.7.4
-#define BIN_ESP32_WIFI_AP_SKETCH 1 // esp32 AP with ssdi "YourAP"
+#define BIN_ESP32_WIFI_AP_SKETCH                                               \
+  1 // esp32 wifi accesspoint sketch with ssdi "YourAP"
+#define BIN_FEATHER_ESP32_V2_BLINKY 2 // Feather esp32 v2 blinky sketch
 
 #define BIN_FEATHER_S2 10 // Feather esp32s2 factory firmware
 #define BIN_FEATHER_S3 11 // Feather esp32s3 factory firmware
@@ -42,10 +44,6 @@
 #define BIN_DEVKIT_S2 20 // Espressif s2 devkit
 #define BIN_DEVKIT_S3 21 // Espressif s3 devkit
 
-#define BIN_ESP8266 30 // Espressif esp8266
-
-#define BIN_C6_BLINK_IO8 40 // Blink sketch for C6 with LED on IO8
-
 //--------------------------------------------------------------------+
 // Binaries include
 //--------------------------------------------------------------------+
@@ -53,6 +51,9 @@
 #if BIN_FILES == BIN_ESP32_WIFI_AP_SKETCH
 #include "esp_binaries/wifi_ap_binaries.h"
 
+#elif BIN_FILES == BIN_FEATHER_ESP32_V2_BLINKY
+#include "esp_binaries/feather_esp32_v2_blinky_binaries.h"
+
 #elif BIN_FILES == BIN_NINA_1_7_4
 #include "esp_binaries/nina_1_7_4_binaries.h"
 
@@ -71,15 +72,6 @@
 #elif BIN_FILES == BIN_DEVKIT_S3
 #include "esp_binaries/esp32s3_devkit_binaries.h"
 
-#elif BIN_FILES == BIN_ESP8266
-#include "esp_binaries/esp8266_binaries.h"
-
-#elif BIN_FILES == BIN_C6_BLINK_IO8
-#include "esp_binaries/c6_blink_io8.h"
-
-#else
-#error "Please select BIN_FILES in esp_binaries.h"
-
 #endif
 
 struct {
@@ -89,6 +81,12 @@ struct {
 #if BIN_FILES == BIN_NINA_1_7_4
     {0x00000, &NINA_W102_1_7_4},
 
+#elif BIN_FILES == BIN_FEATHER_ESP32_V2_BLINKY
+    {0x1000, &feather_esp32v2_blinky_bootloader},
+    {0x8000, &feather_esp32v2_blinky_partitions},
+    {0xe000, &boot_app0},
+    {0x10000, &feather_esp32v2_blinky},
+
 #elif BIN_FILES == BIN_FEATHER_S2
     {0x1000, &esp32s2_feather_test_ino_bootloader},
     {0x8000, &esp32s2_feather_test_ino_partitions},
@@ -121,20 +119,7 @@ struct {
     {0x8000, &Blink_ino_partitions},
     {0xe000, &boot_app0},
     {0x10000, &Blink_ino},
-
-#elif BIN_FILES == BIN_ESP8266
-    {0x00000, &esp8266_blink_io0},
-
-#elif BIN_FILES == BIN_C6_BLINK_IO8
-    {0x00000, &c6_blink_io8_bootloader},
-    {0x8000, &c6_blink_io8_partitions},
-    {0xe000, &boot_app0},
-    {0x10000, &c6_blink_io8},
-
-#else
-#error "Please select BIN_FILES in esp_binaries.h"
 #endif
-
 };
 
 enum { BIN_FILES_COUNT = sizeof(bin_files) / sizeof(bin_files[0]) };

examples/Brain/program_esp32_cdc/program_esp32_cdc.ino

@@ -9,7 +9,7 @@
 //   - There is no need to connect IO0/Reset since we will use DTR/RTS to reset ESP32
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"
@@ -30,25 +30,31 @@
 
 // Note: baudrate does not matter if programming S2/S3 native USB
 // But does matter if programming ESP32/8266 via USB-to-UART chip
-#define ESP32_BAUDRATE  (115200*8)
+#define ESP32_BAUDRATE  921600
 
 // CDC Host object
 Adafruit_USBH_CDC  SerialHost;
 
 #if ESP32_NATIVE_USB
-  // Declare BootROM with IO0 and Reset will use GPIO for bootloader reset
+
-  // This is typically for programming ESP32-S2/S3 via native USB
+// Declare BootROM with IO0 and Reset will use GPIO for bootloader reset
-  ESP32BootROMClass ESP32BootROM(SerialHost, ESP32_IO0, ESP32_RESET);
+// This is typically for programming ESP32-S2/S3 via native USB
+ESP32BootROMClass ESP32BootROM(SerialHost, ESP32_IO0, ESP32_RESET);
+
 #else
-  // Defined an boot rom object that use SerialHost
+
-  // Declare BootROM without IO0 and Reset will use SerialHost.setDtrRts() for bootloader reset
+// Defined an boot rom object that use SerialHost
-  // This is for programming ESP32/8266 via USB-to-UART chip such as FTDI/CP210x/CH9102f
+// Declare BootROM without IO0 and Reset will use SerialHost.setDtrRts() for bootloader reset
-  ESP32BootROMClass ESP32BootROM(SerialHost);
+// This is for programming ESP32/8266 via USB-to-UART chip such as FTDI/CP210x/CH9102f
+ESP32BootROMClass ESP32BootROM(SerialHost);
+
 #endif
 
+
 //--------------------------------------------------------------------+
 // Setup and Loop on Core0
 //--------------------------------------------------------------------+
+
 void print_speed(size_t count, uint32_t ms) {
   float count_k = count / 1000.0F;
   float sec = ms / 1000.0F;
@@ -72,14 +78,14 @@ void setup() {
   // sync: wait for Brain.begin() called in core1 before accessing SD or other peripherals
   while (!Brain.inited()) delay(10);
 
-  while (!Brain.esp32_begin(&ESP32BootROM, ESP32_BAUDRATE)) {
+  while ( !Brain.esp32_begin(&ESP32BootROM, ESP32_BAUDRATE) ) {
     delay(100);
   }
 
   // Writing bin files
   size_t total_bytes = 0;
   uint32_t ms = millis();
-  for (size_t i = 0; i < BIN_FILES_COUNT; i++) {
+  for(size_t i=0; i<BIN_FILES_COUNT; i++) {
     Brain.LCD_printf("Flashing file %u", i);
     Serial.printf("File %s\r\n", bin_files[i].zfile->name);
     size_t wr_count = Brain.esp32_programFlashDefl(bin_files[i].zfile, bin_files[i].addr);
@@ -122,7 +128,7 @@ void setup1() {
 
 // core1's loop: process usb host task on core1
 void loop1() {
-  if (Brain.esp32_s3_inReset()) {
+  if ( Brain.esp32_s3_inReset() ){
     // Note: S3 has an USB-OTG errata
     // https://www.espressif.com/sites/default/files/documentation/esp32-s3_errata_en.pdf
     // which is walkarounded by idf/arduino-esp32 to always mux JTAG to USB for
@@ -138,7 +144,7 @@ void loop1() {
   Brain.USBHost.task();
 
   // periodically flush SerialHost if connected
-  if (SerialHost && SerialHost.connected()) {
+  if ( SerialHost && SerialHost.connected() ) {
     SerialHost.flush();
   }
 
@@ -152,7 +158,8 @@ void loop1() {
 extern "C"  {
 
 // Invoked when device is mounted (configured)
-void tuh_mount_cb(uint8_t daddr) {
+void tuh_mount_cb (uint8_t daddr)
+{
   uint16_t vid, pid;
   tuh_vid_pid_get(daddr, &vid, &pid);
 
@@ -161,7 +168,8 @@ void tuh_mount_cb(uint8_t daddr) {
 }
 
 /// Invoked when device is unmounted (bus reset/unplugged)
-void tuh_umount_cb(uint8_t dev_addr) {
+void tuh_umount_cb(uint8_t dev_addr)
+{
   (void) dev_addr;
   Brain.LCD_printf(1, "No USB Device");
 }

examples/Brain/program_esp32_uart/esp_binaries.h

@@ -26,15 +26,13 @@
 #define ESP_BINARIES_H_
 
 // Configuration: select which bins to flash
-#define BIN_FILES BIN_C6_BLINK_IO8
+#define BIN_FILES BIN_METRO_S2
 
-//--------------------------------------------------------------------+
+//------------- Binaries Define -------------//
-// LIST OF BINARIES
-//--------------------------------------------------------------------+
 
 #define BIN_ESP32_NINA_1_7_4 0 // nina 1.7.4
-#define BIN_ESP32_WIFI_AP_SKETCH 1    // esp32 AP with ssdi "YourAP"
+#define BIN_ESP32_WIFI_AP_SKETCH                                               \
-#define BIN_FEATHER_ESP32_V2_BLINKY 2 // Feather esp32 v2 blinky sketch
+  1 // esp32 wifi accesspoint sketch with ssdi "YourAP"
 
 #define BIN_FEATHER_S2 10 // Feather esp32s2 factory firmware
 #define BIN_FEATHER_S3 11 // Feather esp32s3 factory firmware
@@ -43,20 +41,13 @@
 #define BIN_DEVKIT_S2 20 // Espressif s2 devkit
 #define BIN_DEVKIT_S3 21 // Espressif s3 devkit
 
-#define BIN_FEATHER_8266_BLINKY 30 // Feather esp8266 blinky sketch
+#define BIN_ESP8266 30 // Espressif esp8266
 
-#define BIN_C6_BLINK_IO8 40 // Blink sketch for C6 with LED on IO8
+//------------- Binaries include -------------//
-
-//--------------------------------------------------------------------+
-// Binaries include
-//--------------------------------------------------------------------+
 
 #if BIN_FILES == BIN_ESP32_WIFI_AP_SKETCH
 #include "esp_binaries/wifi_ap_binaries.h"
 
-#elif BIN_FILES == BIN_FEATHER_ESP32_V2_BLINKY
-#include "esp_binaries/feather_esp32_v2_blinky_binaries.h"
-
 #elif BIN_FILES == BIN_NINA_1_7_4
 #include "esp_binaries/nina_1_7_4_binaries.h"
 
@@ -75,11 +66,8 @@
 #elif BIN_FILES == BIN_DEVKIT_S3
 #include "esp_binaries/esp32s3_devkit_binaries.h"
 
-#elif BIN_FILES == BIN_FEATHER_8266_BLINKY
+#elif BIN_FILES == BIN_ESP8266
-#include "esp_binaries/feather_esp8266_blinky.h"
+#include "esp_binaries/esp8266_binaries.h"
-
-#elif BIN_FILES == BIN_C6_BLINK_IO8
-#include "esp_binaries/c6_blink_io8.h"
 
 #else
 #error "Please select BIN_FILES in esp_binaries.h"
@@ -93,12 +81,6 @@ struct {
 #if BIN_FILES == BIN_NINA_1_7_4
     {0x00000, &NINA_W102_1_7_4},
 
-#elif BIN_FILES == BIN_FEATHER_ESP32_V2_BLINKY
-    {0x1000, &feather_esp32v2_blinky_bootloader},
-    {0x8000, &feather_esp32v2_blinky_partitions},
-    {0xe000, &boot_app0},
-    {0x10000, &feather_esp32v2_blinky},
-
 #elif BIN_FILES == BIN_FEATHER_S2
     {0x1000, &esp32s2_feather_test_ino_bootloader},
     {0x8000, &esp32s2_feather_test_ino_partitions},
@@ -132,18 +114,12 @@ struct {
     {0xe000, &boot_app0},
     {0x10000, &Blink_ino},
 
-#elif BIN_FILES == BIN_FEATHER_8266_BLINKY
+#elif BIN_FILES == BIN_ESP8266
-    {0x0000, &Blink_ino},
+    {0x00000, &esp8266_blink_io0},
-
-#elif BIN_FILES == BIN_C6_BLINK_IO8
-    {0x00000, &c6_blink_io8_bootloader},
-    {0x8000, &c6_blink_io8_partitions},
-    {0xe000, &boot_app0},
-    {0x10000, &c6_blink_io8},
-
 #else
 #error "Please select BIN_FILES in esp_binaries.h"
 #endif
+
 };
 
 enum { BIN_FILES_COUNT = sizeof(bin_files) / sizeof(bin_files[0]) };

examples/Brain/program_esp32_uart/program_esp32_uart.ino

@@ -0,0 +1,79 @@
+// This sketch program ESP32 by flashing bin file from on-flash (with .h header)
+// Supported/tested ESP MCU are: ESP32, ESP32-S2, ESP32-S3, ESP8266
+// Hardware wiring:
+// - Brain GPIO28 <-> ESP32 IO0
+// - Brain Reset  <-> ESP32 Enable
+// - Brain TX/RX  <-> ESP32 RX/TX
+
+// required for Host MSC block device
+#include "SdFat.h"
+
+// required for USB host
+#include "pio_usb.h"
+#include "Adafruit_TinyUSB.h"
+
+#include "Adafruit_TestBed_Brains.h"
+
+// Change BIN_FILES in esp_binaries.h header to select which binaries to flash
+// bin_files[] is defined accordingly
+#include "esp_binaries.h"
+
+#define ESP32_RESET     27
+#define ESP32_IO0       28
+
+#define ESP32_BAUDRATE  2000000
+//#define ESP32_BAUDRATE  1500000
+//#define ESP32_BAUDRATE  921600
+//#define ESP32_BAUDRATE  115200
+
+
+// Defined an boot rom object that use UART Serial1
+ESP32BootROMClass ESP32BootROM(Serial1, ESP32_IO0, ESP32_RESET);
+
+//--------------------------------------------------------------------+
+// Setup and Loop on Core0
+//--------------------------------------------------------------------+
+
+void print_speed(size_t count, uint32_t ms) {
+  float count_k = count / 1000.0F;
+  float sec = ms / 1000.0F;
+  float speed = count_k / sec;
+  Brain.LCD_printf(0, "%.01fKB %.01fs", count_k, sec);
+  Brain.LCD_printf(1, "Spd: %.01f KB/s", speed);
+}
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) delay(10);
+  Serial.println("Tester Brains: Programming ESP with UART!");
+
+  Brain.begin();
+  Brain.usbh_setVBus(true); // enable VBUS for power
+
+  while ( !Brain.esp32_begin(&ESP32BootROM, ESP32_BAUDRATE) ) {
+    // retry syncing
+    delay(100);
+  }
+
+  // Writing bin files
+  size_t total_bytes = 0;
+  uint32_t ms = millis();
+  for(size_t i=0; i<BIN_FILES_COUNT; i++) {
+    Brain.LCD_printf(0, "Flashing file %u", i);
+    Serial.printf("File: %s\r\n", bin_files[i].zfile->name);
+    size_t wr_count = Brain.esp32_programFlashDefl(bin_files[i].zfile, bin_files[i].addr);
+    total_bytes += wr_count;
+    if (!wr_count) {
+      Brain.LCD_printf_error("Failed to flash");
+    }
+  }
+  print_speed(total_bytes, millis() - ms);
+
+  Brain.esp32_end();
+
+  // reset ESP32 to run new firmware
+  Brain.targetReset();
+}
+
+void loop() {
+}

examples/Brain/program_esp32_uart_uncompressed/program_esp32_uart_uncompressed.ino

@@ -0,0 +1,128 @@
+// This sketch program ESP32 by flashing bin file from SD Card
+// Hardware wiring:
+// - Brain GPIO28 <-> ESP32 IO0
+// - Brain Reset  <-> ESP32 Enable
+// - Brain TX/RX  <-> ESP32 RX/TX
+
+// required for Host MSC block device
+#include "SdFat.h"
+
+// required for USB host
+#include "pio_usb.h"
+#include "Adafruit_TinyUSB.h"
+
+#include "Adafruit_TestBed_Brains.h"
+
+#define ESP32_RESET     27
+#define ESP32_IO0       28
+
+#define ESP32_BAUDRATE  2000000
+//#define ESP32_BAUDRATE  921600
+//#define ESP32_BAUDRATE  115200
+
+// Bin files on SDCard to program
+// These files can be generated by any of Arduino sketches
+// The example use WiFiAccessPoint sketch, which we can verify its running image
+// by simply scan for existence of ssid "YourAP"
+struct {
+  uint32_t addr;
+  const char* fpath;
+} bin_list [] = {
+  { 0x1000  , "esp32/WiFiAccessPoint/WiFiAccessPoint.ino.bootloader.bin" },
+  { 0x8000  , "esp32/WiFiAccessPoint/WiFiAccessPoint.ino.partitions.bin" },
+  { 0xe000  , "esp32/WiFiAccessPoint/boot_app0.bin"                      },
+  { 0x10000 , "esp32/WiFiAccessPoint/WiFiAccessPoint.ino.bin"            },
+};
+
+enum {
+  BIN_LIST_COUNT = sizeof(bin_list)/sizeof(bin_list[0])
+};
+
+
+// Defined an boot rom object that use UART Serial1
+ESP32BootROMClass ESP32BootROM(Serial1, ESP32_IO0, ESP32_RESET);
+
+//--------------------------------------------------------------------+
+// Setup and Loop on Core0
+//--------------------------------------------------------------------+
+
+void prepare_sd(void) {
+  if (!Brain.SD_detected()) {
+    Brain.LCD_printf(0, "No SD Card");
+    while ( !Brain.SD_detected() ) delay(10);
+  }
+
+  if ( !Brain.SD_begin(SD_SCK_MHZ(16)) ) {
+    Brain.LCD_printf(0, "SD init failed");
+    while(1) delay(10);
+  }
+
+  Brain.LCD_printf(0, "SD mounted");
+
+  // Print out file on SD if Serial is connected
+  if (Serial) {
+    Serial.println();
+    Serial.println("SD Contents:");
+    Serial.printf("Card size = %0.1f GB\n", 0.000000512 * Brain.SD.card()->sectorCount());
+    Brain.SD.ls(LS_R | LS_DATE | LS_SIZE);
+  }
+}
+
+void print_speed(size_t count, uint32_t ms) {
+  Brain.LCD_printf(0, "%.01fKB %.01fs", count/1000.0F, ms / 1000.0F);
+
+  Serial.printf("Completed %u bytes in %.02f seconds.\r\n", count, ms / 1000.0F);
+  Serial.printf("Speed : %.02f KB/s\r\n", (count / 1000.0F) / (ms / 1000.0F));
+}
+
+void setup() {
+  Serial.begin(115200);
+  while (!Serial) delay(10);
+  Serial.println("Tester Brains: Programming ESP32 with UART!");
+
+  Brain.begin();
+
+  // prepare SD Card
+  prepare_sd();
+
+  while ( !Brain.esp32_begin(&ESP32BootROM, ESP32_BAUDRATE) ) {
+    // retry syncing
+    delay(100);
+  }
+
+  // Writing bin files
+  size_t total_bytes = 0;
+  uint32_t ms = millis();
+  for(size_t i=0; i<BIN_LIST_COUNT; i++) {
+    Brain.LCD_printf("Flashing file %u", i);
+    size_t wr_count = Brain.esp32_programFlash(bin_list[i].fpath, bin_list[i].addr);
+    total_bytes += wr_count;
+    if (!wr_count) {
+      Brain.LCD_printf_error("Failed to flash");
+    }
+  }
+  print_speed(total_bytes, millis() - ms);
+
+  Brain.esp32_end(false);
+
+  // reset ESP32 to run new firmware
+  Brain.targetReset();
+}
+
+void loop() {
+}
+
+//--------------------------------------------------------------------+
+// Setup and Loop on Core1
+//--------------------------------------------------------------------+
+
+// call usbh_begin() here to make pio usb background task run on core1
+// NOTE: Brain.begin() should be called here as well to prevent race condition
+void setup1() {
+
+}
+
+// core1's loop: process usb host task on core1
+void loop1() {
+  yield();
+}

examples/Brain/program_esp_uart/program_esp_uart.ino

@@ -1,134 +0,0 @@
-// This sketch program ESP32 by flashing bin file from on-flash (with .h header)
-// Supported/tested ESP MCU are: ESP32, ESP32-S2, ESP32-S3, ESP8266
-// Hardware wiring:
-// - Brain GPIO28 <-> ESP32 IO0
-// - Brain Reset  <-> ESP32 Enable
-// - Brain TX/RX  <-> ESP32 RX/TX
-
-// required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
-
-// required for USB host
-#include "pio_usb.h"
-#include "Adafruit_TinyUSB.h"
-
-#include "Adafruit_TestBed_Brains.h"
-
-// Change BIN_FILES in esp_binaries.h header to select which binaries to flash
-// bin_files[] is defined accordingly
-#include "esp_binaries.h"
-
-#define ESP32_RESET     27
-#define ESP32_IO0       28
-
-#define ESP32_BAUDRATE  2000000
-//#define ESP32_BAUDRATE  1500000
-//#define ESP32_BAUDRATE  921600
-//#define ESP32_BAUDRATE  115200
-
-
-// Defined an boot rom object that use UART Serial1
-ESP32BootROMClass ESP32BootROM(Serial1, ESP32_IO0, ESP32_RESET);
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core0
-//--------------------------------------------------------------------+
-
-void print_speed(size_t count, uint32_t ms) {
-  float count_k = count / 1000.0F;
-  float sec = ms / 1000.0F;
-  float speed = count_k / sec;
-  Brain.LCD_printf(0, "%.01fKB %.01fs", count_k, sec);
-  Brain.LCD_printf(1, "Spd: %.01f KB/s", speed);
-}
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) delay(10);
-  Serial.println("Tester Brains: Programming ESP with UART!");
-
-  // sync: wait for Brain.begin() called in core1 before accessing SD or other peripherals
-  while (!Brain.inited()) delay(10);
-  while (!Brain.esp32_begin(&ESP32BootROM, ESP32_BAUDRATE)) {
-    // retry syncing
-    delay(100);
-  }
-
-  // Writing bin files
-  size_t total_bytes = 0;
-  uint32_t ms = millis();
-  for (size_t i = 0; i < BIN_FILES_COUNT; i++) {
-    Brain.LCD_printf(0, "Flashing file %u", i);
-    Serial.printf("File: %s\r\n", bin_files[i].zfile->name);
-    size_t wr_count = Brain.esp32_programFlashDefl(bin_files[i].zfile, bin_files[i].addr);
-    total_bytes += wr_count;
-    if (!wr_count) {
-      Brain.LCD_printf_error("Failed to flash");
-    }
-  }
-  print_speed(total_bytes, millis() - ms);
-
-  Brain.esp32_end();
-
-  // reset ESP32 to run new firmware
-  Brain.targetReset();
-}
-
-void loop() {
-}
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core1
-//--------------------------------------------------------------------+
-
-// call usbh_begin() here to make pio usb background task run on core1
-// NOTE: Brain.begin() should be called here as well to prevent race condition
-void setup1() {
-  Brain.begin();
-  Brain.usbh_begin();
-
-  Brain.LCD_printf(0, "No USB attached");
-  Brain.LCD_printf(1, "Plug your device");
-}
-
-// core1's loop: process usb host task on core1
-void loop1() {
-  if (Brain.esp32_s3_inReset()) {
-    // Note: S3 has an USB-OTG errata
-    // https://www.espressif.com/sites/default/files/documentation/esp32-s3_errata_en.pdf
-    // which is walkarounded by idf/arduino-esp32 to always mux JTAG to USB for
-    // uploading and/or power on. Afterwards USB-OTG will be set up if selected
-    // so. However rp2040 USBH is running too fast and can actually retrieve
-    // device/configuration descriptor of JTAG before the OTG is fully setup.
-    // We delay a bit here
-    delay(500);
-
-    Brain.esp32_s3_clearReset();
-  }
-
-  Brain.USBHost.task();
-  yield();
-}
-
-//--------------------------------------------------------------------+
-// TinyUSB Host callbacks
-// Note: running in the same core where Brain.USBHost.task() is called
-//--------------------------------------------------------------------+
-extern "C" {
-
-// Invoked when device is mounted (configured)
-void tuh_mount_cb(uint8_t daddr) {
-  uint16_t vid, pid;
-  tuh_vid_pid_get(daddr, &vid, &pid);
-
-  Serial.printf("Device attached, address = %d\r\n", daddr);
-  Brain.LCD_printf("USBID %04x:%04x", vid, pid);
-}
-
-/// Invoked when device is unmounted (bus reset/unplugged)
-void tuh_umount_cb(uint8_t dev_addr) {
-  (void) dev_addr;
-  Brain.LCD_printf(1, "No USB Device");
-}
-
-}

examples/Brain/program_nrf52840/program_nrf52840.ino

@@ -6,7 +6,7 @@
 // - Brain's USB host to Target USB
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"
@@ -17,7 +17,11 @@
 
 #include "Adafruit_TestBed_Brains.h"
 
-// file path on SDCard to program
+// RP2040 Boot VID/PID
+#define BOOT_VID   0x2e8a
+#define BOOT_PID   0x0003
+
+// file path on SDCard to prograom
 #define TEST_FILE_PATH "nrf/feather_nrf52840/bleblink.bin"
 
 // DAP interface for nRF5x
@@ -62,10 +66,8 @@ void setup() {
   // erase chip before programming
   Brain.dap_eraseChip();
 
-  // for nrf52840 don't use crc32 as it is not supported.
-  // Note: verify is with reading back increase programming time by 2x
   uint32_t ms = millis();
-  size_t copied_bytes = Brain.dap_programFlash(TEST_FILE_PATH, 0, true, false);
+  size_t copied_bytes = Brain.dap_programFlash(TEST_FILE_PATH, 0);
   ms = millis() - ms;
   print_speed(copied_bytes, ms);
 
@@ -108,7 +110,9 @@ void tuh_mount_cb (uint8_t dev_addr)
   uint16_t vid, pid;
   tuh_vid_pid_get(dev_addr, &vid, &pid);
 
-  Brain.LCD_printf("USBID %04x:%04x", vid, pid);
+  if ( !(vid == BOOT_VID && pid == BOOT_PID) ) {
+    Brain.LCD_printf(1, "UnkDev %04x:%04x", vid, pid);
+  }
 }
 
 /// Invoked when device is unmounted (bus reset/unplugged)

examples/Brain/program_nrf52840_from_sdcard/program_nrf52840_from_sdcard.ino

@@ -1,121 +0,0 @@
-// This sketch program SAMD with bin file from SDCard using Adafruit_DAP
-// Hardware wiring:
-// - Brain's header Reset <-> Target Reset
-// - Brain's header SWDIO <-> Target SWDIO
-// - Brain's header SWCLK <-> Target SWCLK
-// - Brain's USB host to Target USB
-
-// required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
-
-// required for USB host
-#include "pio_usb.h"
-#include "Adafruit_TinyUSB.h"
-
-// required for DAP programming
-#include "Adafruit_DAP.h"
-
-#include "Adafruit_TestBed_Brains.h"
-
-// file path on SDCard to program
-#define TEST_FILE_PATH "nrf/feather_nrf52840/bleblink.bin"
-
-// DAP interface for nRF5x
-Adafruit_DAP_nRF5x dap;
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core0
-//--------------------------------------------------------------------+
-
-void print_speed(size_t count, uint32_t ms) {
-  Brain.LCD_printf(0, "%.01fKB in %.01fs", count/1000.0F, ms / 1000.0F);
-
-  Serial.printf("Completed %u bytes in %.02f seconds.\r\n", count, ms / 1000.0F);
-  Serial.printf("Speed : %.02f KB/s\r\n", (count / 1000.0F) / (ms / 1000.0F));
-}
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) delay(10);
-  Serial.println("Tester Brains: nRF52840 programming !");
-
-  // sync: wait for Brain.usbh_begin() called in core1 before accessing SD or other peripherals
-  while (!Brain.usbh_inited()) delay(10);
-
-  Brain.SD_begin(SD_SCK_MHZ(16));
-
-  // Print out file on SD if Serial is connected
-  if (Serial) {
-    Serial.println();
-    Serial.println("SD Contents:");
-    Serial.printf("Card size = %0.1f GB\n", 0.000000512 * Brain.SD.card()->sectorCount());
-    Brain.SD.ls(LS_R | LS_SIZE);
-  }
-
-  Brain.targetReset();
-
-  Brain.dap_begin(&dap);
-  Brain.dap_connect();
-
-  Brain.dap_unprotectBoot();
-
-  // erase chip before programming
-  Brain.dap_eraseChip();
-
-  // for nrf52840 don't use crc32 as it is not supported.
-  // Note: verify is with reading back increase programming time by 2x
-  uint32_t ms = millis();
-  size_t copied_bytes = Brain.dap_programFlash(TEST_FILE_PATH, 0, true, false);
-  ms = millis() - ms;
-  print_speed(copied_bytes, ms);
-
-  Brain.dap_protectBoot();
-  Brain.dap_disconnect();
-
-  Brain.targetReset();
-
-}
-
-void loop() {
-}
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core1
-//--------------------------------------------------------------------+
-
-// call usbh_begin() here to make pio usb background task run on core1
-// NOTE: Brain.begin() should be called here as well to prevent race condition
-void setup1() {
-  Brain.begin();
-  Brain.usbh_begin();
-  Brain.LCD_printf(1, "No USB Device");
-}
-
-// core1's loop: process usb host task on core1
-void loop1() {
-  Brain.USBHost.task();
-}
-
-//--------------------------------------------------------------------+
-// TinyUSB Host callbacks
-// Note: running in the same core where Brain.USBHost.task() is called
-//--------------------------------------------------------------------+
-extern "C"  {
-
-// Invoked when device is mounted (configured)
-void tuh_mount_cb (uint8_t dev_addr)
-{
-  uint16_t vid, pid;
-  tuh_vid_pid_get(dev_addr, &vid, &pid);
-
-  Brain.LCD_printf("USBID %04x:%04x", vid, pid);
-}
-
-/// Invoked when device is unmounted (bus reset/unplugged)
-void tuh_umount_cb(uint8_t dev_addr)
-{
-  (void) dev_addr;
-  Brain.LCD_printf(1, "No USB Device");
-}
-
-}

examples/Brain/program_rp2/program_rp2.ino

@@ -1,135 +0,0 @@
-// This sketch program rp2040 by copying UF2 file from SDCard to
-// rp2040 bootrom
-// Hardware wiring:
-// - Brain's Target GPIO28 to RP2 bootsel
-// - Brain's Target Reset to RP2 Reset
-// - Brain's USB host to RP2040 USB interface
-
-// required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
-
-// required for USB host
-#include "pio_usb.h"
-#include "Adafruit_TinyUSB.h"
-
-#include "Adafruit_TestBed_Brains.h"
-
-// firmware.h is converted using tools/file2carray.py e.g
-//   python tools/file2carray.py cdc_msc.uf2
-// above command will generate cdc_msc.uf2.h with bindata, bindata_len
-#include "metro_rp2350_cdc_msc.uf2.h"
-
-// RP2040 Boot VID/PID
-#define BOOT_VID   0x2e8a
-#define BOOT_PID_RP2040   0x0003
-#define BOOT_PID_RP2350   0x000f
-
-// If USB filesystem is mounted
-volatile bool is_usbfs_mounted = false;
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core0
-//--------------------------------------------------------------------+
-void print_speed(size_t count, uint32_t ms) {
-  Brain.LCD_printf(0, "%.01fKB %.01fs", count/1000.0F, ms / 1000.0F);
-
-  Serial.printf("Completed %u bytes in %.02f seconds.\r\n", count, ms / 1000.0F);
-  Serial.printf("Speed : %.02f KB/s\r\n", (count / 1000.0F) / (ms / 1000.0F));
-}
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) delay(10);
-  Serial.println("Program RP2 by copy UF2 from Internal Flash to Bootloader!");
-
-  // sync: wait for Brain.begin() called in core1 before accessing SD or other peripherals
-  while (!Brain.inited()) delay(10);
-
-  // wait for USB filesystem is mounted. USB host bit-banging and task is
-  // processed on core1
-  while (!is_usbfs_mounted) delay(10);
-
-  // Copy UF2 file
-  Brain.LCD_printf(0, "Copying firmware");
-  Serial.println("Copying UF2 from Flash to USBHFS");
-
-  uint32_t ms = millis();
-  size_t copied_bytes = Brain.rp2_programUF2(bindata, bindata_len);
-  print_speed(copied_bytes, millis() - ms);
-
-  // wait for rp2040 boot rom to reset
-  // while (is_usbfs_mounted) delay(10);
-}
-
-void loop() {
-  Serial.flush();
-}
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core1
-//--------------------------------------------------------------------+
-
-// call usbh_begin() here to make pio usb background task run on core1
-// NOTE: Brain.begin() should be called here as well to prevent race condition
-void setup1() {
-  Brain.begin();
-  Brain.usbh_begin();
-
-  Brain.LCD_printf(1, "No USB Device");
-
-  // reset rp2040 target into Boot Rom, default bootsel = 28, reset duration = 10 ms
-  Brain.rp2_targetResetBootRom();
-}
-
-// core1's loop: process usb host task on core1
-void loop1() {
-  Brain.USBHost.task();
-}
-
-//--------------------------------------------------------------------+
-// TinyUSB Host callbacks
-// Note: running in the same core where Brain.USBHost.task() is called
-//--------------------------------------------------------------------+
-bool is_rp2_bootloader(uint16_t vid, uint16_t pid) {
-  return (vid == BOOT_VID && (pid == BOOT_PID_RP2040 || pid == BOOT_PID_RP2350));
-}
-
-extern "C"  {
-
-// Invoked when device is mounted (configured)
-void tuh_mount_cb(uint8_t dev_addr) {
-  uint16_t vid, pid;
-  tuh_vid_pid_get(dev_addr, &vid, &pid);
-
-  if (!is_rp2_bootloader(vid, pid)) {
-    Brain.LCD_printf(1, "UnkDev %04x:%04x", vid, pid);
-  }
-}
-
-/// Invoked when device is unmounted (bus reset/unplugged)
-void tuh_umount_cb(uint8_t dev_addr) {
-  (void)dev_addr;
-  Brain.LCD_printf(1, "No USB Device");
-}
-
-// Invoked when a device with MassStorage interface is mounted
-void tuh_msc_mount_cb(uint8_t dev_addr) {
-  uint16_t vid, pid;
-  tuh_vid_pid_get(dev_addr, &vid, &pid);
-
-  if (is_rp2_bootloader(vid, pid)) {
-    is_usbfs_mounted = Brain.usbh_mountFS(dev_addr);
-    if (is_usbfs_mounted) {
-      uint16_t rp2variant = (pid == BOOT_PID_RP2040 ? 2040 : 2350);
-      Brain.LCD_printf(1, "RP%u Bootldr", rp2variant);
-    }
-  }
-}
-
-// Invoked when a device with MassStorage interface is unmounted
-void tuh_msc_umount_cb(uint8_t dev_addr) {
-  is_usbfs_mounted = false;
-  Brain.usbh_umountFS(dev_addr);
-}
-
-}

examples/Brain/program_rp2040_uf2/program_rp2040_uf2.ino

@@ -6,7 +6,7 @@
 // - Brain's USB host to RP2040 USB interface
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"
@@ -79,7 +79,7 @@ void setup() {
   Serial.println("Copying from SD to USBHFS: " UF2_FILE_PATH);
 
   uint32_t ms = millis();
-  size_t copied_bytes = Brain.rp2_programUF2(UF2_FILE_PATH);
+  size_t copied_bytes = Brain.rp2040_programUF2(UF2_FILE_PATH);
 
   print_speed(copied_bytes, millis() - ms);
 
@@ -104,7 +104,7 @@ void setup1() {
   Brain.LCD_printf(1, "No USB Device");
 
   // reset rp2040 target into Boot Rom, default bootsel = 28, reset duration = 10 ms
-  Brain.rp2_targetResetBootRom();
+  Brain.rp2040_targetResetBootRom();
 }
 
 // core1's loop: process usb host task on core1

examples/Brain/program_samd21/program_samd21.ino

@@ -6,7 +6,7 @@
 // - Brain's USB host to Target USB
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"

examples/Brain/program_samd51/program_samd51.ino

@@ -6,7 +6,7 @@
 // - Brain's USB host to Target USB
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"

examples/Brain/program_stm32f405/program_stm32f405.ino

@@ -6,7 +6,7 @@
 // - Brain's USB host to Target USB
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"

examples/Brain/read_nrf52840_to_sdcard/read_nrf52840_to_sdcard.ino

@@ -1,112 +0,0 @@
-// This sketch program SAMD with bin file from SDCard using Adafruit_DAP
-// Hardware wiring:
-// - Brain's header Reset <-> Target Reset
-// - Brain's header SWDIO <-> Target SWDIO
-// - Brain's header SWCLK <-> Target SWCLK
-// - Brain's USB host to Target USB
-
-// required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
-
-// required for USB host
-#include "pio_usb.h"
-#include "Adafruit_TinyUSB.h"
-
-// required for DAP programming
-#include "Adafruit_DAP.h"
-
-#include "Adafruit_TestBed_Brains.h"
-
-// file path on SDCard to hold nrf52840 binary
-#define READ_FILE_PATH "nrf/readback.bin"
-#define READ_SIZE (1024u*1024u) // 1 MB
-
-// DAP interface for nRF5x
-Adafruit_DAP_nRF5x dap;
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core0
-//--------------------------------------------------------------------+
-
-void print_speed(size_t count, uint32_t ms) {
-  Brain.LCD_printf(0, "%.01fKB in %.01fs", count/1000.0F, ms / 1000.0F);
-
-  Serial.printf("Completed %u bytes in %.02f seconds.\r\n", count, ms / 1000.0F);
-  Serial.printf("Speed : %.02f KB/s\r\n", (count / 1000.0F) / (ms / 1000.0F));
-}
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) delay(10);
-  Serial.println("Tester Brains: Reading nRF52840 to SD Card!");
-
-  // sync: wait for Brain.usbh_begin() called in core1 before accessing SD or other peripherals
-  while (!Brain.usbh_inited()) delay(10);
-
-  Brain.SD_begin(SD_SCK_MHZ(16));
-
-  // Print out file on SD if Serial is connected
-  if (Serial) {
-    Serial.println();
-    Serial.println("SD Contents:");
-    Serial.printf("Card size = %0.1f GB\n", 0.000000512 * Brain.SD.card()->sectorCount());
-    Brain.SD.ls(LS_R | LS_SIZE);
-  }
-
-  Brain.targetReset();
-  Brain.dap_begin(&dap);
-  Brain.dap_connect();
-
-  uint32_t ms = millis();
-  size_t nbytes = Brain.dap_readFlash(READ_FILE_PATH, 0, READ_SIZE);
-  ms = millis() - ms;
-  print_speed(nbytes, ms);
-
-  Brain.dap_disconnect();
-  Brain.targetReset();
-
-}
-
-void loop() {
-}
-
-//--------------------------------------------------------------------+
-// Setup and Loop on Core1
-//--------------------------------------------------------------------+
-
-// call usbh_begin() here to make pio usb background task run on core1
-// NOTE: Brain.begin() should be called here as well to prevent race condition
-void setup1() {
-  Brain.begin();
-  Brain.usbh_begin();
-  Brain.LCD_printf(1, "No USB Device");
-}
-
-// core1's loop: process usb host task on core1
-void loop1() {
-  Brain.USBHost.task();
-}
-
-//--------------------------------------------------------------------+
-// TinyUSB Host callbacks
-// Note: running in the same core where Brain.USBHost.task() is called
-//--------------------------------------------------------------------+
-extern "C"  {
-
-// Invoked when device is mounted (configured)
-void tuh_mount_cb (uint8_t dev_addr)
-{
-  uint16_t vid, pid;
-  tuh_vid_pid_get(dev_addr, &vid, &pid);
-
-  Brain.LCD_printf("USBID %04x:%04x", vid, pid);
-}
-
-/// Invoked when device is unmounted (bus reset/unplugged)
-void tuh_umount_cb(uint8_t dev_addr)
-{
-  (void) dev_addr;
-  Brain.LCD_printf(1, "No USB Device");
-}
-
-}

examples/Brain/usbh_hub_test/usbh_hub_test.ino

@@ -2,7 +2,7 @@
 // to LCD. Also determine if device support MSC or HID
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"

examples/Brain/usbh_test/usbh_test.ino

@@ -2,7 +2,7 @@
 // to LCD. Also determine if device support MSC or HID
 
 // required for Host MSC block device
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 
 // required for USB host
 #include "pio_usb.h"

examples/I2C_Scan/I2C_Scan.ino

@@ -7,7 +7,7 @@ extern Adafruit_TestBed TB;
 #if defined(ARDUINO_ARCH_RP2040) \
     || defined(ARDUINO_ADAFRUIT_QTPY_ESP32S2) \
     || defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3_NOPSRAM) \
-    || defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3_N4R2) \
+    || defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3) \
     || defined(ARDUINO_ADAFRUIT_QTPY_ESP32_PICO) \
     || defined(ARDUINO_SAM_DUE) \
     || defined(ARDUINO_ARCH_RENESAS_UNO)
@@ -26,7 +26,7 @@ void setup() {
 
 #if defined(ARDUINO_ADAFRUIT_QTPY_ESP32S2) || \
     defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3_NOPSRAM) || \
-    defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3_N4R2) || \
+    defined(ARDUINO_ADAFRUIT_QTPY_ESP32S3) || \
     defined(ARDUINO_ADAFRUIT_QTPY_ESP32_PICO)
   // ESP32 is kinda odd in that secondary ports must be manually
   // assigned their pins with setPins()!

examples/program_esp32_uart_from_sdcard/esp_binaries.h

@@ -1,30 +0,0 @@
-// Generated by tools/esp_compress.py
-#define ESP_BINARIES_COUNT (1)
-
-// const esp32_zipfile_t NINA_W102_1_7_5
-
-const esp32_zipfile_t NINA_W102_1_7_5 = {
-    .name = "NINA_W102-1.7.5.bin.gz",
-    .data = NULL,
-    .compressed_len = 634996,
-    .uncompressed_len = 1160192,
-    .md5 =
-        {
-            0x07,
-            0x7c,
-            0xec,
-            0x6d,
-            0xaa,
-            0x68,
-            0x13,
-            0xc5,
-            0xa4,
-            0x68,
-            0x0f,
-            0x45,
-            0xc9,
-            0xd8,
-            0x77,
-            0x6b,
-        },
-};

examples/program_esp32_uart_from_sdcard/program_esp32_uart_from_sdcard.ino

@@ -1,146 +0,0 @@
-/* This sketch run on SAMD21/SAMD51 to program ESP32 by flashing bin file from SD Card
- * Supported/tested ESP MCU are: ESP32, ESP32-S2, ESP32-S3, ESP8266
- * Hardware wiring:
- * - TB D2    <-> ESP32 IO0
- * - TB D3    <-> ESP32 Enable
- * - TB TX/RX <-> ESP32 RX/TX
- *
- * How to run this example:
- * 0. Define ESP32_RESET, ESP32_IO0, SD_CS, SD_DETECT in this sketch according to your hardware setup
- * 1. Generate compressed binary and its metadata (len, md5 etc..) by running:
- *    python3 tools/esp_compress.py --sd <directory_of_bin_files>
- *    For example: python tools/esp_compress.py --sd .
- * 2. .bin.gz (e.g NINA_W102-1.7.5.bin.gz) and esp_binaries.h will be generated in the same directory
- * 3. Copy esp_binaries.h to this example directory
- * 4. Copy .bin.gz files to SD Card within BIN_DIR (defined in this sketch)
- * 5. Insert SD Card to board
- * 6. Upload this sketch to board
- *
- * Note: for convenience, this example included generated 'NINA_W102-1.7.5.bin.gz' and 'esp_binaries.h'
- * from https://github.com/adafruit/nina-fw/releases/tag/1.7.5 in this example directory.
- */
-
-#include "SdFat_Adafruit_Fork.h"
-
-// #include "Adafruit_TinyUSB.h"
-#include "Adafruit_TestBed.h"
-
-//--------------------------------------------------------------------+
-// Hardware Configuration
-//--------------------------------------------------------------------+
-
-// These are defined in airlift-capable board such PyPortal, PyBadge, etc.
-#if defined(ESP32_GPIO0) && defined(ESP32_RESETN)
-  #define ESP32_RESET  ESP32_RESETN
-  #define ESP32_IO0    ESP32_GPIO0
-#else
-  #define ESP32_RESET  2
-  #define ESP32_IO0    3
-#endif
-
-#if defined(ARDUINO_PYPORTAL_M4)
-  #define SD_CS        32
-  #define SD_DETECT    33
-#else
-  #define SD_CS        4
-  #define SD_DETECT    5 // optional
-#endif
-
-#define ESP32_BAUDRATE  2000000
-//#define ESP32_BAUDRATE  1500000
-//#define ESP32_BAUDRATE  921600
-//#define ESP32_BAUDRATE  115200
-
-//--------------------------------------------------------------------+
-// Binaries and Path
-//--------------------------------------------------------------------+
-#define BIN_DIR "/" // SD card's directory that contains bin files
-#include "esp_binaries.h"
-
-struct {
-  uint32_t addr;
-  esp32_zipfile_t const *zfile;
-} bin_files[] = {
- {0x00000, &NINA_W102_1_7_5}
-};
-
-enum { BIN_FILES_COUNT = sizeof(bin_files) / sizeof(bin_files[0]) };
-
-//--------------------------------------------------------------------+
-// Defined an boot rom object that use UART Serial1
-ESP32BootROMClass ESP32BootROM(Serial1, ESP32_IO0, ESP32_RESET);
-
-SdFat SD;
-File32 fbin;
-
-//--------------------------------------------------------------------+
-// Implementation
-//--------------------------------------------------------------------+
-
-void print_speed(size_t count, uint32_t ms) {
-  float count_k = count / 1000.0F;
-  float sec = ms / 1000.0F;
-  float speed = count_k / sec;
-
-  Serial.print(count_k); Serial.print("KB "); Serial.print(sec); Serial.println("s");
-  Serial.print("Spd: "); Serial.print(speed); Serial.println(" KB/s");
-}
-
-void setup() {
-  Serial.begin(115200);
-  while (!Serial) delay(10);
-  Serial.println("TestBed: Programming ESP32 with UART!");
-
-#ifdef SD_DETECT
-  pinMode(SD_DETECT, INPUT_PULLUP);
-  if (digitalRead(SD_DETECT) == LOW) {
-    Serial.println("SD Card not inserted");
-    while (1) delay(10);
-  }
-#endif
-
-  if (!SD.begin(SD_CS, SD_SCK_MHZ(12))) {
-    Serial.println("SD Card init failed");
-    while (1) delay(10);
-  }
-  Serial.println("SD Card init OK");
-
-  TB.begin();
-  while ( !TB.esp32_begin(&ESP32BootROM, ESP32_BAUDRATE) ) {
-    // retry syncing
-    delay(100);
-  }
-
-  // Writing bin files
-  size_t total_bytes = 0;
-  uint32_t ms = millis();
-  for(size_t i=0; i<BIN_FILES_COUNT; i++) {
-    Serial.printf("Flashing file %u\r\n", i);
-    Serial.printf("File: %s\r\n", bin_files[i].zfile->name);
-
-    char bin_path[128] = BIN_DIR;
-    strcat(bin_path, bin_files[i].zfile->name);
-
-    fbin.open(&SD, bin_path);
-    if (!fbin) {
-      Serial.printf("Failed to open file %s\r\n", bin_files[i].zfile->name);
-      continue;
-    }
-
-    size_t wr_count = TB.esp32_programFlashDefl(bin_files[i].zfile, bin_files[i].addr, &fbin);
-    total_bytes += wr_count;
-    if (!wr_count) {
-      Serial.printf("Failed to flash");
-    }
-
-    fbin.close();
-  }
-  print_speed(total_bytes, millis() - ms);
-
-  TB.esp32_end();
-
-  // reset ESP32 to run new firmware
-  TB.targetReset();
-}
-void loop() {
-}

library.properties

@@ -1,5 +1,5 @@
 name=Adafruit TestBed
-version=1.14.2
+version=1.10.0
 author=Adafruit
 maintainer=Adafruit <info@adafruit.com>
 sentence=Adafruit's internal test bed code library

src/Adafruit_TestBed.cpp

@@ -1,25 +1,10 @@
 #include "Adafruit_TestBed.h"
 
-// change to 1 to skip pre-flash md5 check for testing
-#define SKIP_PRE_FLASH_MD5_CHECK 0
-
-static inline uint32_t div_ceil(uint32_t v, uint32_t d) {
-  return (v + d - 1) / d;
-}
-
 Adafruit_TestBed::Adafruit_TestBed(void) {
 #if defined(ADAFRUIT_METRO_M0_EXPRESS)
   neopixelPin = 40;
   neopixelNum = 1;
-#elif defined(ADAFRUIT_FEATHER_M0_EXPRESS)
-  neopixelPin = 8;
-  neopixelNum = 1;
 #endif
-
-  esp32boot = NULL;
-  _esp32_flash_defl = false;
-  _esp32_chip_detect = 0;
-  _esp32s3_in_reset = false;
 }
 
 /**************************************************************************/
@@ -48,11 +33,6 @@ void Adafruit_TestBed::begin(void) {
     digitalWrite(ledPin, LOW);
   }
 
-  if (targetResetPin >= 0) {
-    pinMode(targetResetPin, OUTPUT);
-    digitalWrite(targetResetPin, HIGH);
-  }
-
 #if defined(__AVR__)
   analogRef = 5.0;
 #elif defined(ARDUINO_ARCH_RP2040)
@@ -170,23 +150,6 @@ void Adafruit_TestBed::targetPowerCycle(uint16_t off_time) {
   targetPower(1);
 }
 
-void Adafruit_TestBed::targetReset(uint32_t reset_ms) {
-  digitalWrite(targetResetPin, LOW);
-  delay(reset_ms);
-  digitalWrite(targetResetPin, HIGH);
-
-  // Note: S3 has an USB-OTG errata
-  // https://www.espressif.com/sites/default/files/documentation/esp32-s3_errata_en.pdf
-  // which is walkarounded by idf/arduino-esp32 to always mux JTAG to USB for
-  // uploading and/or power on. Afterwards USB-OTG will be set up if selected
-  // so. However rp2040 USBH is running too fast and can actually retrieve
-  // device/configuration descriptor of JTAG before the OTG is fully setup.
-  // Mark this for application usage
-  if (_esp32_chip_detect == CHIP_DETECT_MAGIC_ESP32S3) {
-    _esp32s3_in_reset = true;
-  }
-}
-
 /**************************************************************************/
 /*!
     @brief  Read the ADC on a pin and convert it to a voltage
@@ -221,13 +184,11 @@ float Adafruit_TestBed::readAnalogVoltage(uint16_t pin, float multiplier) {
     @param  name Human readable name for the pin
     @param  multiplier If there's a resistor divider, put the inverse here
     @param  value What voltage the pin should be
-    @param  error Percent of error permitted (10 is 10%)
     @return True if the pin voltage is within 10% of target
 */
 /**************************************************************************/
 bool Adafruit_TestBed::testAnalogVoltage(uint16_t pin, const char *name,
-                                         float multiplier, float value,
+                                         float multiplier, float value) {
-                                         uint8_t error) {
   float voltage = readAnalogVoltage(pin, multiplier);
   theSerial->print(name);
   theSerial->print(F(" output voltage: "));
@@ -235,13 +196,11 @@ bool Adafruit_TestBed::testAnalogVoltage(uint16_t pin, const char *name,
   theSerial->print(F(" V (should be "));
   theSerial->print(value);
   theSerial->print(" V)...");
-  if (abs(voltage - value) > (value * error / 100.0)) {
+  if (abs(voltage - value) > (value / 10.0)) {
     theSerial->println("Failed");
     return false;
   }
-  theSerial->print(F("OK within "));
+  theSerial->println(F("OK within 10%"));
-  theSerial->print(error);
-  theSerial->println("%");
 
   return true;
 }
@@ -455,203 +414,4 @@ void Adafruit_TestBed::beepNblink(void) {
 #endif
 }
 
-/**************************************************************************/
-/*!
-    @brief light the LED for 500ms, if defined
-*/
-/**************************************************************************/
-void Adafruit_TestBed::blink(void) {
-  if (ledPin >= 0) {
-    pinMode(ledPin, OUTPUT);
-    digitalWrite(ledPin, HIGH);
-  }
-
-  delay(500);
-
-  if (ledPin >= 0) {
-    digitalWrite(ledPin, LOW);
-  }
-}
-
-//--------------------------------------------------------------------+
-// ESP32 Target
-//--------------------------------------------------------------------+
-
-bool Adafruit_TestBed::esp32_begin(ESP32BootROMClass *bootrom,
-                                   uint32_t baudrate) {
-  esp32boot = bootrom;
-
-  Serial.println("Syncing ESP32");
-  _esp32_chip_detect = esp32boot->begin(baudrate);
-
-  if (_esp32_chip_detect) {
-    setColor(0xFFFFFF);
-    Serial.println("Synced OK");
-    return true;
-  } else {
-    Serial.println("Sync failed!");
-    return false;
-  }
-}
-
-void Adafruit_TestBed::esp32_end(bool reset_esp) {
-  if (esp32boot->isRunningStub()) {
-    // skip sending flash_finish to ROM loader here,
-    // as it causes the loader to exit and run user code
-    esp32boot->beginFlash(0, 0, esp32boot->getFlashWriteSize());
-
-    if (_esp32_flash_defl) {
-      esp32boot->endFlashDefl(reset_esp);
-    } else {
-      esp32boot->endFlash(reset_esp);
-    }
-  }
-
-  esp32boot->end();
-}
-
-bool Adafruit_TestBed::esp32_s3_inReset(void) { return _esp32s3_in_reset; }
-
-void Adafruit_TestBed::esp32_s3_clearReset(void) { _esp32s3_in_reset = false; }
-
-static void print_buf(uint8_t const *buf, size_t len) {
-  for (size_t i = 0; i < len; i++) {
-    Serial.print(buf[i], HEX);
-  }
-  Serial.println();
-}
-
-size_t
-Adafruit_TestBed::_esp32_programFlashDefl_impl(const esp32_zipfile_t *zfile,
-                                               uint32_t addr, File32 *fsrc) {
-  if (!esp32boot) {
-    return 0;
-  }
-
-  // Check if MD5 matches to skip this file
-  uint8_t esp_md5[16];
-
-#if !SKIP_PRE_FLASH_MD5_CHECK
-  esp32boot->md5Flash(addr, zfile->uncompressed_len, esp_md5);
-  Serial.print("Flash MD5: ");
-  print_buf(esp_md5, 16);
-  if (0 == memcmp(zfile->md5, esp_md5, 16)) {
-    Serial.println("MD5 matched");
-    return zfile->uncompressed_len;
-  }
-#endif
-
-  // Write Size is different depending on ROM (1K) or Stub (16KB)
-  uint32_t const block_size = esp32boot->getFlashWriteSize();
-
-  uint8_t *buf = NULL;
-  bool const use_sdcard = (fsrc != NULL);
-
-  if (use_sdcard) {
-    buf = (uint8_t *)malloc(block_size);
-    if (!buf) {
-      Serial.print("No memory ");
-      Serial.println(block_size);
-      return 0;
-    }
-  }
-
-  Serial.print("Compressed ");
-  Serial.print(zfile->uncompressed_len);
-  Serial.print(" bytes to ");
-  Serial.println(zfile->compressed_len);
-
-  if (!esp32boot->beginFlashDefl(addr, zfile->uncompressed_len,
-                                 zfile->compressed_len)) {
-    Serial.println("beginFlash failed!");
-    if (buf) {
-      free(buf);
-    }
-    return 0;
-  }
-
-  _esp32_flash_defl = true;
-
-  //------------- Flashing  -------------//
-  uint32_t written = 0;
-
-  uint32_t const block_num = div_ceil(zfile->compressed_len, block_size);
-  for (uint32_t i = 0; i < block_num; i++) {
-    setLED(HIGH);
-    // Serial.print("Pckt %lu/%lu", i + 1, block_num);
-    Serial.print("Packet ");
-    Serial.print(i + 1);
-    Serial.print("/");
-    Serial.println(block_num);
-
-    uint32_t const remain = zfile->compressed_len - written;
-    uint32_t const wr_count = (remain < block_size) ? remain : block_size;
-
-    uint8_t const *data;
-    if (!use_sdcard) {
-      // file contents is stored in internal flash (e.g rp2040)
-      data = zfile->data + written;
-    } else {
-      // file contents is stored in sdcard
-      memset(buf, 0xff, block_size); // empty it out
-      if (wr_count != fsrc->read(buf, wr_count)) {
-        Serial.println("File contents does not matched with compressed_len");
-        free(buf);
-        return 0;
-      }
-
-      data = buf;
-    }
-
-    // Note: flash deflat does not need padding
-    if (!esp32boot->dataFlashDefl(data, wr_count)) {
-      Serial.println("Failed to flash");
-      break;
-    }
-
-    written += wr_count;
-    setLED(LOW);
-  }
-  Serial.println();
-
-  // Stub only writes each block to flash after 'ack'ing the receive,
-  // so do a final dummy operation which will not be 'ack'ed
-  // until the last block has actually been written out to flash
-  if (esp32boot->isRunningStub()) {
-    Serial.println("Dummy read chip detect after final block");
-    (void)esp32boot->read_chip_detect();
-  }
-
-  //------------- MD5 verification -------------//
-  Serial.println("Verifying MD5");
-  esp32boot->md5Flash(addr, zfile->uncompressed_len, esp_md5);
-
-  if (0 == memcmp(zfile->md5, esp_md5, 16)) {
-    Serial.println("MD5 matched");
-  } else {
-    Serial.println("MD5 mismatched!!");
-
-    Serial.print("File: ");
-    print_buf(zfile->md5, 16);
-
-    Serial.print("ESP : ");
-    print_buf(esp_md5, 16);
-  }
-
-  if (buf) {
-    free(buf);
-  }
-
-  return zfile->uncompressed_len;
-}
-size_t Adafruit_TestBed::esp32_programFlashDefl(const esp32_zipfile_t *zfile,
-                                                uint32_t addr) {
-  return _esp32_programFlashDefl_impl(zfile, addr, NULL);
-}
-
-size_t Adafruit_TestBed::esp32_programFlashDefl(const esp32_zipfile_t *zfile,
-                                                uint32_t addr, File32 *fsrc) {
-  return _esp32_programFlashDefl_impl(zfile, addr, fsrc);
-}
-
 Adafruit_TestBed TB;

src/Adafruit_TestBed.h

@@ -5,9 +5,6 @@
 #include "Arduino.h"
 #include "Wire.h"
 
-#include "ESP32BootROM.h"
-#include "SdFat_Adafruit_Fork.h"
-
 #define RED 0xFF0000
 #define YELLOW 0xFFFF00
 #define GREEN 0x00FF00
@@ -16,14 +13,6 @@
 #define PURPLE 0xFF00FF
 #define WHITE 0xFFFFFF
 
-typedef struct {
-  const char *name;
-  const uint8_t *data;
-  const uint32_t compressed_len;
-  const uint32_t uncompressed_len;
-  const uint8_t md5[16];
-} esp32_zipfile_t;
-
 /**************************************************************************/
 /*!
     @brief A helper class for making test beds and functions. Lots of handy lil
@@ -44,11 +33,9 @@ public:
   void targetPower(bool on);
   void targetPowerCycle(uint16_t off_time = 10);
 
-  void targetReset(uint32_t reset_ms = 20);
-
   float readAnalogVoltage(uint16_t pin, float multiplier = 1);
   bool testAnalogVoltage(uint16_t pin, const char *name, float multiplier,
-                         float value, uint8_t error = 10);
+                         float value);
 
   bool testpins(uint8_t a, uint8_t b, uint8_t *allpins, uint8_t num_allpins);
 
@@ -59,29 +46,10 @@ public:
 
   void beep(uint32_t freq, uint32_t duration);
   void beepNblink(void);
-  void blink(void);
 
   uint32_t timestamp(void);
   void printTimeTaken(bool restamp = false);
 
-  //--------------------------------------------------------------------+
-  // ESP32 Target
-  //--------------------------------------------------------------------+
-  bool esp32_begin(ESP32BootROMClass *bootrom, uint32_t baudrate);
-  void esp32_end(bool reset_esp = false);
-
-  // program esp32 target with compressed data stored in internal flash
-  size_t esp32_programFlashDefl(const esp32_zipfile_t *zfile, uint32_t addr);
-
-  // program esp32 target with compressed file from SDCard
-  size_t esp32_programFlashDefl(const esp32_zipfile_t *zfile, uint32_t addr,
-                                File32 *fsrc);
-
-  bool esp32_s3_inReset(void);
-  void esp32_s3_clearReset(void);
-
-  ESP32BootROMClass *esp32boot; // ESP32 ROM
-
   //////////////////
   TwoWire *theWire = &Wire;    ///< The I2C port used in scanning
   Stream *theSerial = &Serial; ///< The Serial port used for debugging
@@ -92,8 +60,6 @@ public:
   int16_t targetPowerPin = -1;     ///< Set to a target power pin if used
   bool targetPowerPolarity = HIGH; ///< What to set the power pin to, for ON
 
-  int targetResetPin = -1; ///< Set to target reset pin if used
-
   int16_t neopixelPin = -1; ///< The neopixel connected pin if any
   uint8_t neopixelNum = 0;  ///< How many neopixels are on board, if any
   Adafruit_NeoPixel *pixels =
@@ -104,15 +70,6 @@ public:
 
 private:
   uint32_t millis_timestamp = 0; ///< A general purpose timestamp
-
-  bool _esp32_flash_defl;
-  uint32_t _esp32_chip_detect;
-  bool _esp32s3_in_reset;
-
-  size_t _esp32_programFlashDefl_impl(const esp32_zipfile_t *zfile,
-                                      uint32_t addr, File32 *fsrc);
 };
 
-extern Adafruit_TestBed TB;
-
 #endif

src/Adafruit_TestBed_Brains.cpp

@@ -22,9 +22,9 @@
  * THE SOFTWARE.
  */
 
-#ifdef ARDUINO_ARCH_RP2040
+#ifdef ARDUINO_RASPBERRY_PI_PICO
 
-#include "SdFat_Adafruit_Fork.h"
+#include "SdFat.h"
 #include "pio_usb.h"
 
 #include "Adafruit_DAP.h"
@@ -34,12 +34,6 @@
 
 #define USBHOST_RHPORT 1
 
-// Workaround force F_CPU to 240MHz for programming RP2350 due to handshake
-// timeout
-#if F_CPU != 120000000L && F_CPU != 240000000L
-#error "F_CPU must be set to either 120Mhz or 240Mhz for pio-usb host"
-#endif
-
 Adafruit_TestBed_Brains Brain;
 
 volatile bool LCD_semaphore = false;
@@ -71,6 +65,10 @@ private:
   uint32_t crc;
 };
 
+static inline uint32_t div_ceil(uint32_t v, uint32_t d) {
+  return (v + d - 1) / d;
+}
+
 /**************************************************************************/
 /*!
     @brief  Initializer, sets up the timestamp, neopixels, piezo, led,
@@ -96,11 +94,16 @@ Adafruit_TestBed_Brains::Adafruit_TestBed_Brains() {
   _usbh_dp_pin = 20; // USB Host D+
   _vbus_en_pin = 22; // USB Host VBus enable
 
-  targetResetPin = 27;
+  _target_rst = 27;
   _target_swdio = 2;
   _target_swdclk = 3;
 
   dap = NULL;
+
+  esp32boot = NULL;
+  _esp32_flash_defl = false;
+  _esp32_chip_detect = 0;
+  _esp32s3_in_reset = false;
 }
 
 void Adafruit_TestBed_Brains::begin(void) {
@@ -112,8 +115,8 @@ void Adafruit_TestBed_Brains::begin(void) {
   neopixelNum = 1;
   pinMode(neopixelPin, OUTPUT);
 
-  pinMode(targetResetPin, OUTPUT);
+  pinMode(_target_rst, OUTPUT);
-  digitalWrite(targetResetPin, HIGH);
+  digitalWrite(_target_rst, HIGH);
 
   pinMode(_sd_detect_pin, INPUT_PULLUP);
   pinMode(_vbus_en_pin, OUTPUT);
@@ -135,13 +138,31 @@ void Adafruit_TestBed_Brains::begin(void) {
 
 bool Adafruit_TestBed_Brains::inited(void) { return _inited; }
 
+void Adafruit_TestBed_Brains::targetReset(uint32_t reset_ms) {
+  digitalWrite(_target_rst, LOW);
+  delay(reset_ms);
+  digitalWrite(_target_rst, HIGH);
+
+  // Note: S3 has an USB-OTG errata
+  // https://www.espressif.com/sites/default/files/documentation/esp32-s3_errata_en.pdf
+  // which is walkarounded by idf/arduino-esp32 to always mux JTAG to USB for
+  // uploading and/or power on. Afterwards USB-OTG will be set up if selected
+  // so. However rp2040 USBH is running too fast and can actually retrieve
+  // device/configuration descriptor of JTAG before the OTG is fully setup.
+  // Mark this for application usage
+  if (_esp32_chip_detect == CHIP_DETECT_MAGIC_ESP32S3) {
+    _esp32s3_in_reset = true;
+  }
+}
+
 //--------------------------------------------------------------------+
 // RP2040 Target
 //--------------------------------------------------------------------+
 
-void Adafruit_TestBed_Brains::rp2_targetResetBootRom(int bootsel_pin,
+void Adafruit_TestBed_Brains::rp2040_targetResetBootRom(int bootsel_pin,
                                                         uint32_t reset_ms) {
   pinMode(bootsel_pin, OUTPUT);
+
   digitalWrite(bootsel_pin, LOW);
 
   targetReset(reset_ms);
@@ -152,41 +173,7 @@ void Adafruit_TestBed_Brains::rp2_targetResetBootRom(int bootsel_pin,
   pinMode(bootsel_pin, INPUT);
 }
 
-size_t Adafruit_TestBed_Brains::rp2_programUF2(const uint8_t *buffer,
+size_t Adafruit_TestBed_Brains::rp2040_programUF2(const char *fpath) {
-                                               size_t bufsize) {
-  size_t copied_bytes = 0;
-  const char *dst_name = "FIRMWARE.UF2";
-  File32 fdst = USBH_FS.open(dst_name, O_WRONLY | O_CREAT);
-
-  if (!fdst) {
-    Serial.printf("USBH_FS: cannot create file: %s\r\n", dst_name);
-  } else {
-    while (copied_bytes < bufsize) {
-      size_t count = bufsize - copied_bytes;
-      if (count > 4096) {
-        count = 4096; // write 1 sector each
-      }
-
-      setLED(HIGH);
-      size_t wr_count = fdst.write(buffer, count);
-      setLED(LOW);
-
-      buffer += wr_count;
-      copied_bytes += wr_count;
-
-      if (wr_count != count) {
-        Serial.println("USBH_FS: Failed to write file");
-        break;
-      }
-    }
-  }
-
-  fdst.close();
-
-  return copied_bytes;
-}
-
-size_t Adafruit_TestBed_Brains::rp2_programUF2(const char *fpath) {
   File32 fsrc = SD.open(fpath);
   if (!fsrc) {
     Serial.printf("SD: cannot open file: %s\r\n", fpath);
@@ -194,6 +181,7 @@ size_t Adafruit_TestBed_Brains::rp2_programUF2(const char *fpath) {
   }
 
   size_t copied_bytes = 0;
+
   const char *dst_name = "FIRMWARE.UF2";
   File32 fdst = USBH_FS.open(dst_name, O_WRONLY | O_CREAT);
 
@@ -252,17 +240,17 @@ bool Adafruit_TestBed_Brains::dap_begin(Adafruit_DAP *dp) {
 
   dap = dp;
 
-  return dap->begin(_target_swdclk, _target_swdio, targetResetPin,
+  return dap->begin(_target_swdclk, _target_swdio, _target_rst,
                     dap_err_hanlder);
 }
 
-bool Adafruit_TestBed_Brains::dap_connect(uint32_t swj_clock) {
+bool Adafruit_TestBed_Brains::dap_connect(void) {
   if (!dap) {
     return false;
   }
 
   LCD_printf("Connecting...");
-  if (!dap->targetConnect(swj_clock)) {
+  if (!dap->targetConnect()) {
     return false;
   }
 
@@ -272,6 +260,10 @@ bool Adafruit_TestBed_Brains::dap_connect(uint32_t swj_clock) {
     LCD_printf(0, "Unknown MCU");
     LCD_printf(1, "ID = %08X", dsu_did);
 
+    while (1) {
+      delay(1);
+    }
+
     return false;
   }
 
@@ -301,9 +293,9 @@ bool Adafruit_TestBed_Brains::dap_unprotectBoot(void) {
     return false;
   }
 
-  Serial.println("Unlock chip...");
+  LCD_printf("Unlock chip...");
   bool ret = dap->unprotectBoot();
-  Serial.println(ret ? "OK" : "Failed");
+  LCD_printf(ret ? "OK" : "Failed");
   return ret;
 }
 
@@ -312,9 +304,9 @@ bool Adafruit_TestBed_Brains::dap_protectBoot(void) {
     return false;
   }
 
-  Serial.println("Lock chip...");
+  LCD_printf("Lock chip...");
   bool ret = dap->protectBoot();
-  Serial.println(ret ? "OK" : "Failed");
+  LCD_printf(ret ? "OK" : "Failed");
   return ret;
 }
 
@@ -335,15 +327,14 @@ bool Adafruit_TestBed_Brains::dap_eraseChip(void) {
     dap->erase();
 
     ms = millis() - ms;
-    LCD_printf("Erased in %.02fs", ms / 1000.0F);
+    LCD_printf("done in %.02fs", ms / 1000.0F);
   }
 
   return true;
 }
 
 size_t Adafruit_TestBed_Brains::dap_programFlash(const char *fpath,
-                                                 uint32_t addr, bool do_verify,
+                                                 uint32_t addr) {
-                                                 bool do_crc32) {
   if (!dap) {
     return 0;
   }
@@ -386,8 +377,7 @@ size_t Adafruit_TestBed_Brains::dap_programFlash(const char *fpath,
     return 0;
   }
 
-  LCD_printf("Programming...");
+  LCD_printf("Programming..");
-  uint32_t ms = millis();
 
   BrainCRC32 crc32;
   dap->program_start(addr, fsize);
@@ -395,42 +385,22 @@ size_t Adafruit_TestBed_Brains::dap_programFlash(const char *fpath,
   uint32_t addr_tmp = addr;
   while (fsrc.available()) {
     memset(buf, 0xff, bufsize); // empty it out
+
     uint32_t rd_count = fsrc.read(buf, bufsize);
 
     setLED(HIGH);
-
+    dap->programBlock(addr_tmp, buf, bufsize);
-    // don't verify each write if we use crc32
-    if (!dap->programFlash(addr_tmp, buf, bufsize, !do_crc32 && do_verify)) {
-      Serial.printf("Failed to program block at %08lX\n", addr_tmp);
-      free(buf);
-      fsrc.close();
-      return addr_tmp - addr;
-    }
-
-    if (do_crc32) {
     crc32.add(buf, rd_count);
-    }
+    setLED(LOW);
 
     addr_tmp += bufsize;
-
-    setLED(LOW);
   }
 
-  Serial.printf("Programming end, t = %lu ms\r\n", millis(), millis() - ms);
-
-  if (do_crc32) {
-    ms = millis();
-    Serial.printf("CRC32 start\r\n", ms);
   uint32_t target_crc = dap->computeFlashCRC32(addr, fsize);
-    Serial.printf("CRC32 end, t = %lu ms\r\n", millis(), millis() - ms);
 
   if (target_crc != crc32.get()) {
     LCD_printf("CRC Failed");
-      Serial.printf("CRC mismtached: %08lX != %08lX\n", crc32.get(),
+    Serial.printf("CRC mismtached: %08lX != %08lX\n", crc32.get(), target_crc);
-                    target_crc);
-    } else {
-      LCD_printf("Done!");
-    }
   } else {
     LCD_printf("Done!");
   }
@@ -441,47 +411,237 @@ size_t Adafruit_TestBed_Brains::dap_programFlash(const char *fpath,
   return fsize;
 }
 
-size_t Adafruit_TestBed_Brains::dap_readFlash(const char *fpath, uint32_t addr,
+//--------------------------------------------------------------------+
-                                              size_t size) {
+// ESP32 Target
-  if (!dap) {
+//--------------------------------------------------------------------+
+
+bool Adafruit_TestBed_Brains::esp32_begin(ESP32BootROMClass *bootrom,
+                                          uint32_t baudrate) {
+  esp32boot = bootrom;
+
+  LCD_printf("Syncing ESP32");
+  _esp32_chip_detect = esp32boot->begin(baudrate);
+
+  if (_esp32_chip_detect) {
+    setColor(0xFFFFFF);
+    LCD_printf("Synced OK");
+    return true;
+  } else {
+    LCD_printf_error("Sync failed!");
+    return false;
+  }
+}
+
+void Adafruit_TestBed_Brains::esp32_end(bool reset_esp) {
+  if (esp32boot->isRunningStub()) {
+    // skip sending flash_finish to ROM loader here,
+    // as it causes the loader to exit and run user code
+    esp32boot->beginFlash(0, 0, esp32boot->getFlashWriteSize());
+
+    if (_esp32_flash_defl) {
+      esp32boot->endFlashDefl(reset_esp);
+    } else {
+      esp32boot->endFlash(reset_esp);
+    }
+  }
+
+  esp32boot->end();
+}
+
+bool Adafruit_TestBed_Brains::esp32_s3_inReset(void) {
+  return _esp32s3_in_reset;
+}
+
+void Adafruit_TestBed_Brains::esp32_s3_clearReset(void) {
+  _esp32s3_in_reset = false;
+}
+
+size_t
+Adafruit_TestBed_Brains::esp32_programFlashDefl(const esp32_zipfile_t *zfile,
+                                                uint32_t addr) {
+  if (!esp32boot) {
     return 0;
   }
 
-  size_t bufsize = 4096;
+  // Check if MD5 matches to skip this file
-  uint8_t *buf = (uint8_t *)malloc(bufsize);
+  uint8_t esp_md5[16];
+
+#if 1 // change to 0 to skip pre-flash md5 check for testing
+  esp32boot->md5Flash(addr, zfile->uncompressed_len, esp_md5);
+  Serial.printf("Flash MD5: ");
+  for (size_t i = 0; i < 16; i++) {
+    Serial.printf("%02X ", esp_md5[i]);
+  }
+  Serial.println();
+  if (0 == memcmp(zfile->md5, esp_md5, 16)) {
+    LCD_printf(2, "MD5 matched");
+    return zfile->uncompressed_len;
+  }
+#endif
+
+  // Write Size is different depending on ROM (1K) or Stub (16KB)
+  uint32_t const block_size = esp32boot->getFlashWriteSize();
+
+  Serial.printf("Compressed %lu bytes to %lu\r\n", zfile->uncompressed_len,
+                zfile->compressed_len);
+
+  if (!esp32boot->beginFlashDefl(addr, zfile->uncompressed_len,
+                                 zfile->compressed_len)) {
+    LCD_printf_error("beginFlash failed!");
+  } else {
+    _esp32_flash_defl = true;
+
+    uint32_t const block_num = div_ceil(zfile->compressed_len, block_size);
+
+    //------------- Flashing  -------------//
+    uint8_t const *data = zfile->data;
+    uint32_t remain = zfile->compressed_len;
+
+    for (uint32_t i = 0; i < block_num; i++) {
+      setLED(HIGH);
+      LCD_printf(1, "Pckt %u/%u", i + 1, block_num);
+
+      uint32_t const wr_count = MIN(block_size, remain);
+
+      // Note: flash deflat does not need padding
+      if (!esp32boot->dataFlashDefl(data, wr_count)) {
+        LCD_printf_error("Failed to flash");
+        break;
+      }
+
+      setLED(LOW);
+
+      data += wr_count;
+      remain -= wr_count;
+    }
+    Serial.println();
+
+    // Stub only writes each block to flash after 'ack'ing the receive,
+    // so do a final dummy operation which will not be 'ack'ed
+    // until the last block has actually been written out to flash
+    if (esp32boot->isRunningStub()) {
+      Serial.println("Dummy read chip detect after final block");
+      (void)esp32boot->read_chip_detect();
+    }
+
+    //------------- MD5 verification -------------//
+    Serial.println("Verifying MD5");
+    esp32boot->md5Flash(addr, zfile->uncompressed_len, esp_md5);
+
+    if (0 == memcmp(zfile->md5, esp_md5, 16)) {
+      LCD_printf(2, "MD5 matched");
+    } else {
+      LCD_error(NULL, "MD5 mismatched!!");
+
+      Serial.printf("File: ");
+      for (size_t i = 0; i < 16; i++) {
+        Serial.printf("%02X ", zfile->md5[i]);
+      }
+      Serial.println();
+
+      Serial.printf("ESP : ");
+      for (size_t i = 0; i < 16; i++) {
+        Serial.printf("%02X ", esp_md5[i]);
+      }
+      Serial.println();
+    }
+  }
+
+  return zfile->uncompressed_len;
+}
+
+size_t Adafruit_TestBed_Brains::esp32_programFlash(const char *fpath,
+                                                   uint32_t addr) {
+  if (!esp32boot) {
+    return 0;
+  }
+
+  // Write Size is different depending on ROM (1K) or Stub (16KB)
+  uint32_t const block_size = esp32boot->getFlashWriteSize();
+  uint8_t *buf = (uint8_t *)malloc(block_size);
   if (!buf) {
+    LCD_printf_error("No memory %u\n", block_size);
     return 0;
   }
 
-  File32 fsrc = SD.open(fpath, O_CREAT | O_WRONLY);
+  File32 fsrc = SD.open(fpath);
   if (!fsrc) {
     Serial.printf("SD: cannot open file: %s\r\n", fpath);
     return 0;
   }
+  uint32_t fsize = fsrc.fileSize();
+  uint32_t total_count = 0;
 
-  LCD_printf("Reading...");
+  Serial.printf("fsize = %lu, block size = %lu\r\n", fsize, block_size);
 
-  size_t remain = size;
+  if (!esp32boot->beginFlash(addr, fsize, block_size)) {
-  while (remain) {
+    LCD_printf_error("beginFlash failed!");
-    uint32_t count = min(remain, bufsize);
+  } else {
+    LCD_printf("#Packets %u", div_ceil(fsize, block_size));
+
+    MD5Builder md5;
+    md5.begin();
+
+    //------------- Flashing  -------------//
+    while (fsrc.available()) {
+      memset(buf, 0xff, block_size); // empty it out
+      uint32_t const rd_count = fsrc.read(buf, block_size);
 
       setLED(HIGH);
-    if (!dap->dap_read_block(addr, buf, (int)count)) {
+      Serial.printf("#");
-      Serial.printf("Failed to read block at %08lX\n", addr);
+
+      if (!esp32boot->dataFlash(buf, block_size)) {
+        LCD_printf_error("Failed to flash");
         break;
       }
+
       setLED(LOW);
 
-    fsrc.write(buf, count);
+      md5.add(buf, rd_count);
-    LCD_printf("%d remaining", remain);
+      total_count += rd_count;
-    addr += count;
+    }
-    remain -= count;
+    Serial.println();
+
+    // Stub only writes each block to flash after 'ack'ing the receive,
+    // so do a final dummy operation which will not be 'ack'ed
+    // until the last block has actually been written out to flash
+    if (esp32boot->isRunningStub()) {
+      (void)esp32boot->read_chip_detect();
     }
 
-  fsrc.close();
+    //------------- MD5 verification -------------//
-  LCD_printf("Done!");
+    md5.calculate();
+    Serial.printf("md5 = %s\r\n", md5.toString().c_str());
 
-  return size - remain;
+    uint8_t file_md5[16];
+    md5.getBytes(file_md5);
+
+    uint8_t esp_md5[16];
+    esp32boot->md5Flash(addr, fsize, esp_md5);
+
+    if (0 == memcmp(file_md5, esp_md5, 16)) {
+      LCD_printf("MD5 matched");
+    } else {
+      LCD_printf_error("MD5 mismatched!!");
+
+      Serial.printf("File: ");
+      for (size_t i = 0; i < 16; i++) {
+        Serial.printf("%02X ", file_md5[i]);
+      }
+      Serial.println();
+
+      Serial.printf("ESP : ");
+      for (size_t i = 0; i < 16; i++) {
+        Serial.printf("%02X ", esp_md5[i]);
+      }
+      Serial.println();
+    }
+  }
+
+  free(buf);
+  fsrc.close();
+
+  return total_count;
 }
 
 //--------------------------------------------------------------------+
@@ -514,209 +674,6 @@ bool Adafruit_TestBed_Brains::SD_begin(uint32_t max_clock) {
 //--------------------------------------------------------------------+
 // LCD
 //--------------------------------------------------------------------+
-#define NOP1 __asm volatile("nop");
-#define NOP2 NOP1 NOP1
-#define NOP3 NOP2 NOP1
-#define NOP4 NOP2 NOP2
-#define NOP5 NOP4 NOP1
-#define NOP6 NOP4 NOP2
-#define NOP7 NOP4 NOP3
-#define NOP8 NOP4 NOP4
-#define NOP9 NOP8 NOP1
-#define NOP10 NOP8 NOP2
-#define NOP11 NOP8 NOP3
-#define NOP12 NOP8 NOP4
-#define NOP13 NOP8 NOP5
-#define NOP14 NOP8 NOP6
-#define NOP15 NOP8 NOP7
-#define NOP16 NOP8 NOP8
-#define NOP17 NOP16 NOP1
-#define NOP18 NOP16 NOP2
-#define NOP19 NOP16 NOP3
-#define NOP20 NOP16 NOP4
-#define NOP21 NOP16 NOP5
-#define NOP22 NOP16 NOP6
-#define NOP23 NOP16 NOP7
-#define NOP24 NOP16 NOP8
-#define NOP25 NOP16 NOP9
-#define NOP26 NOP16 NOP10
-#define NOP27 NOP16 NOP11
-#define NOP28 NOP16 NOP12
-#define NOP29 NOP16 NOP13
-#define NOP30 NOP16 NOP14
-#define NOP31 NOP16 NOP15
-#define NOP32 NOP16 NOP16
-#define NOP33 NOP32 NOP1
-#define NOP34 NOP32 NOP2
-#define NOP35 NOP32 NOP3
-#define NOP36 NOP32 NOP4
-#define NOP37 NOP32 NOP5
-#define NOP38 NOP32 NOP6
-#define NOP39 NOP32 NOP7
-#define NOP40 NOP32 NOP8
-#define NOP41 NOP32 NOP9
-#define NOP42 NOP32 NOP10
-#define NOP43 NOP32 NOP11
-#define NOP44 NOP32 NOP12
-#define NOP45 NOP32 NOP13
-#define NOP46 NOP32 NOP14
-#define NOP47 NOP32 NOP15
-#define NOP48 NOP32 NOP16
-#define NOP49 NOP48 NOP1
-#define NOP50 NOP48 NOP2
-#define NOP51 NOP48 NOP3
-#define NOP52 NOP48 NOP4
-#define NOP53 NOP48 NOP5
-#define NOP54 NOP48 NOP6
-#define NOP55 NOP48 NOP7
-#define NOP56 NOP48 NOP8
-#define NOP57 NOP48 NOP9
-#define NOP58 NOP48 NOP10
-#define NOP59 NOP48 NOP11
-#define NOP60 NOP48 NOP12
-#define NOP61 NOP48 NOP13
-#define NOP62 NOP48 NOP14
-#define NOP63 NOP48 NOP15
-#define NOP64 NOP48 NOP16
-#define NOP65 NOP64 NOP1
-#define NOP66 NOP64 NOP2
-#define NOP67 NOP64 NOP3
-#define NOP68 NOP64 NOP4
-#define NOP69 NOP64 NOP5
-#define NOP70 NOP64 NOP6
-#define NOP71 NOP64 NOP7
-#define NOP72 NOP64 NOP8
-#define NOP73 NOP64 NOP9
-#define NOP74 NOP64 NOP10
-#define NOP75 NOP64 NOP11
-#define NOP76 NOP64 NOP12
-#define NOP77 NOP64 NOP13
-#define NOP78 NOP64 NOP14
-#define NOP79 NOP64 NOP15
-#define NOP80 NOP64 NOP16
-#define NOP81 NOP80 NOP1
-#define NOP82 NOP80 NOP2
-#define NOP83 NOP80 NOP3
-#define NOP84 NOP80 NOP4
-#define NOP85 NOP80 NOP5
-#define NOP86 NOP80 NOP6
-#define NOP87 NOP80 NOP7
-#define NOP88 NOP80 NOP8
-#define NOP89 NOP80 NOP9
-#define NOP90 NOP80 NOP10
-#define NOP91 NOP80 NOP11
-#define NOP92 NOP80 NOP12
-#define NOP93 NOP80 NOP13
-#define NOP94 NOP80 NOP14
-#define NOP95 NOP80 NOP15
-#define NOP96 NOP80 NOP16
-#define NOP97 NOP96 NOP1
-#define NOP98 NOP96 NOP2
-#define NOP99 NOP96 NOP3
-#define NOP100 NOP96 NOP4
-#define NOP101 NOP100 NOP1
-#define NOP102 NOP100 NOP2
-#define NOP103 NOP100 NOP3
-#define NOP104 NOP100 NOP4
-#define NOP105 NOP100 NOP5
-#define NOP106 NOP100 NOP6
-#define NOP107 NOP100 NOP7
-#define NOP108 NOP100 NOP8
-#define NOP109 NOP100 NOP9
-#define NOP110 NOP100 NOP10
-#define NOP111 NOP100 NOP11
-#define NOP112 NOP100 NOP12
-#define NOP113 NOP100 NOP13
-#define NOP114 NOP100 NOP14
-#define NOP115 NOP100 NOP15
-#define NOP116 NOP100 NOP16
-#define NOP117 NOP116 NOP1
-#define NOP118 NOP116 NOP2
-#define NOP119 NOP116 NOP3
-#define NOP120 NOP116 NOP4
-#define NOP121 NOP116 NOP5
-#define NOP122 NOP116 NOP6
-#define NOP123 NOP116 NOP7
-#define NOP124 NOP116 NOP8
-#define NOP125 NOP116 NOP9
-#define NOP126 NOP116 NOP10
-#define NOP127 NOP116 NOP11
-#define NOP128 NOP116 NOP12
-#define NOP129 NOP128 NOP1
-#define NOP130 NOP128 NOP2
-#define NOP131 NOP128 NOP3
-#define NOP132 NOP128 NOP4
-#define NOP133 NOP128 NOP5
-#define NOP134 NOP128 NOP6
-#define NOP135 NOP128 NOP7
-#define NOP136 NOP128 NOP8
-#define NOP137 NOP128 NOP9
-#define NOP138 NOP128 NOP10
-#define NOP139 NOP128 NOP11
-#define NOP140 NOP128 NOP12
-#define NOP141 NOP128 NOP13
-#define NOP142 NOP128 NOP14
-#define NOP143 NOP128 NOP15
-#define NOP144 NOP128 NOP16
-#define NOP145 NOP144 NOP1
-#define NOP146 NOP144 NOP2
-#define NOP147 NOP144 NOP3
-#define NOP148 NOP144 NOP4
-#define NOP149 NOP144 NOP5
-#define NOP150 NOP144 NOP6
-#define NOP151 NOP144 NOP7
-#define NOP152 NOP144 NOP8
-#define NOP153 NOP144 NOP9
-#define NOP154 NOP144 NOP10
-#define NOP155 NOP144 NOP11
-#define NOP156 NOP144 NOP12
-#define NOP157 NOP144 NOP13
-#define NOP158 NOP144 NOP14
-#define NOP159 NOP144 NOP15
-#define NOP160 NOP144 NOP16
-#define NOP161 NOP160 NOP1
-#define NOP162 NOP160 NOP2
-#define NOP163 NOP160 NOP3
-#define NOP164 NOP160 NOP4
-#define NOP165 NOP160 NOP5
-#define NOP166 NOP160 NOP6
-#define NOP167 NOP160 NOP7
-#define NOP168 NOP160 NOP8
-#define NOP169 NOP160 NOP9
-#define NOP170 NOP160 NOP10
-#define NOP171 NOP160 NOP11
-#define NOP172 NOP160 NOP12
-#define NOP173 NOP160 NOP13
-#define NOP174 NOP160 NOP14
-#define NOP175 NOP160 NOP15
-#define NOP176 NOP160 NOP16
-#define NOP177 NOP176 NOP1
-#define NOP178 NOP176 NOP2
-#define NOP179 NOP176 NOP3
-#define NOP180 NOP176 NOP4
-#define NOP181 NOP176 NOP5
-#define NOP182 NOP176 NOP6
-#define NOP183 NOP176 NOP7
-#define NOP184 NOP176 NOP8
-#define NOP185 NOP176 NOP9
-#define NOP186 NOP176 NOP10
-#define NOP187 NOP176 NOP11
-#define NOP188 NOP176 NOP12
-#define NOP189 NOP176 NOP13
-#define NOP190 NOP176 NOP14
-#define NOP191 NOP176 NOP15
-#define NOP192 NOP176 NOP16
-#define NOP193 NOP192 NOP1
-#define NOP194 NOP192 NOP2
-#define NOP195 NOP192 NOP3
-#define NOP196 NOP192 NOP4
-#define NOP197 NOP192 NOP5
-#define NOP198 NOP192 NOP6
-#define NOP199 NOP192 NOP7
-#define NOP200 NOP192 NOP8
-
-#define _NOP_COUNT(n) NOP##n
-#define NOP_COUNT(n) _NOP_COUNT(n)
 
 void __no_inline_not_in_flash_func(Adafruit_TestBed_Brains::setColor)(
     uint32_t color) {
@@ -757,69 +714,53 @@ void __no_inline_not_in_flash_func(Adafruit_TestBed_Brains::setColor)(
 
   uint32_t const isr_context = save_and_disable_interrupts();
 
-  /* Neopixel is 800 KHz, 1T = 1.25 us = 150 nop (120Mhz), 300 nop (240Mhz)
+  // RP2040 is 120 MHz, 120 cycle = 1us = 1000 ns
-     - T1H = 0.8 us, T1L = 0.45 us
+  // Neopixel is 800 KHz, 1T = 1.25 us = 150 nop
-     - T0H = 0.4 us, T0L = 0.85 us
-     If F_CPU is 120 MHz: 120 nop = 1us -> 1 nop = 8.33 ns
-     - T1H = 0.8 us = 96 nop, T1L = 0.45 us = 54 nop
-     - T0H = 0.4 us = 48 nop, T0L = 0.85 us = 102 nop
-     If F_CPU is 240 MHz: 240 nop = 1us -> 1 nop = 4.17 ns
-     - T1H = 0.8 us = 192 nop, T1L = 0.45 us = 108 nop
-     - T0H = 0.4 us = 96 nop, T0L = 0.85 us = 204 nop
-     Due to overhead the number of NOP is actually smaller, also M33 run faster
-     (higher IPC) therefore these are hand tuned,
-  */
-#if defined(ARDUINO_RASPBERRY_PI_PICO)
-// value for rp2040 at 120MHz
-#define T1H_CYCLE 90
-#define T1L_CYCLE 39
-#define T0H_CYCLE 42
-#define T0L_CYCLE 84
-#define LOOP_OVERHEAD_CYCLE 10 // overhead for if/else and loop
-#elif defined(ARDUINO_RASPBERRY_PI_PICO_2)
-// value for rp2350 at 120MHz
-#define T1H_CYCLE 190
-#define T1L_CYCLE 90
-#define T0H_CYCLE 88
-#define T0L_CYCLE 180
-#define LOOP_OVERHEAD_CYCLE 5
-#endif
-
   while (1) {
     if (p & bitMask) {
-      // T1H 0.8 us = 96 nop (without overhead)
+      // T1H 0,8 us = 96 - 1 = 95 nop
       sio_hw->gpio_set = pinMask;
-      NOP_COUNT(T1H_CYCLE);
+      __asm volatile("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#if F_CPU == 240000000L
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-      NOP_COUNT(T1H_CYCLE);
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#endif
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;");
 
-      // T1L 0.45 = 54 - 10 (ifelse) - 5 (overhead) = 44 nop
+      // T1L 0,45 = 54 - 10 (ifelse) - 5 (overhead) = 44 nop
       sio_hw->gpio_clr = pinMask;
-      NOP_COUNT(T1L_CYCLE);
+      __asm volatile("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#if F_CPU == 240000000L
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-      NOP_COUNT(T1L_CYCLE);
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#endif
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop;");
-
     } else {
-      // T0H 0.4 us = 48 cycles
+      // T0H 0,4 us = 48 - 1 = 47 nop
       sio_hw->gpio_set = pinMask;
-      NOP_COUNT(T0H_CYCLE);
+      __asm volatile("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#if F_CPU == 240000000L
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-      NOP_COUNT(T0H_CYCLE);
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#endif
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop;");
 
       // T0L 0.85 us = 102 - 10 (ifelse) - 5 (overhead) = 87 nop
       sio_hw->gpio_clr = pinMask;
-      NOP_COUNT(T0L_CYCLE);
+      __asm volatile("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#if F_CPU == 240000000L
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-      NOP_COUNT(T0L_CYCLE);
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
-#endif
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;"
+                     "nop; nop; nop; nop;");
     }
 
     if (bitMask >>= 1) {
       // not full byte, shift to next bit
-      NOP_COUNT(LOOP_OVERHEAD_CYCLE);
+      __asm volatile("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;");
     } else {
       // probably take 10 nops
       // if a full byte is sent, next to another byte
@@ -829,9 +770,6 @@ void __no_inline_not_in_flash_func(Adafruit_TestBed_Brains::setColor)(
       p = *ptr++;
       bitMask = 0x80;
     }
-#if F_CPU == 240000000L
-    NOP_COUNT(LOOP_OVERHEAD_CYCLE);
-#endif
   }
 
   restore_interrupts(isr_context);
@@ -913,14 +851,15 @@ void Adafruit_TestBed_Brains::usbh_setVBus(bool en) {
 bool Adafruit_TestBed_Brains::usbh_begin(void) {
   // Check for CPU frequency, must be multiple of 120Mhz for bit-banging USB
   uint32_t cpu_hz = clock_get_hz(clk_sys);
-  if (cpu_hz % 12000000UL) {
+  if (cpu_hz != 120000000UL && cpu_hz != 240000000UL) {
     while (!Serial) {
       delay(10); // wait for native usb
     }
     Serial.printf("Error: CPU Clock = %lu, PIO USB require CPU clock must be "
-                  "multiple of 12 Mhz\r\n",
+                  "multiple of 120 Mhz\r\n",
                   cpu_hz);
-    Serial.println("Change your CPU Clock to 12*n Mhz in Menu->CPU Speed");
+    Serial.printf("Change your CPU Clock to either 120 or 240 Mhz in Menu->CPU "
+                  "Speed \r\n");
     while (1) {
       delay(1);
     }

src/Adafruit_TestBed_Brains.h

@@ -1,16 +1,26 @@
 #ifndef ADAFRUIT_TESTBED_BRAINS_H
 #define ADAFRUIT_TESTBED_BRAINS_H
 
-#ifdef ARDUINO_ARCH_RP2040
+#ifdef ARDUINO_RASPBERRY_PI_PICO
-
-#include "SdFat_Adafruit_Fork.h"
 
 #include "Adafruit_TestBed.h"
+#include "SdFat.h"
 #include <LiquidCrystal.h>
 
 #include "Adafruit_DAP.h"
 #include "Adafruit_TinyUSB.h"
 
+#include "ESP32BootROM.h"
+#include "MD5Builder.h"
+
+typedef struct {
+  const char *name;
+  const uint8_t *data;
+  const uint32_t compressed_len;
+  const uint32_t uncompressed_len;
+  const uint8_t md5[16];
+} esp32_zipfile_t;
+
 /**************************************************************************/
 /*!
     @brief A helper class for making RP2040 "Tester Brains"
@@ -49,31 +59,24 @@ public:
   bool usbh_mountFS(uint8_t dev_addr);
   bool usbh_umountFS(uint8_t dev_addr);
 
-  //--------------------------------------------------------------------+1
+  // Target
-  // RP2 (rp2040 and rp2350) Target
+  void targetReset(uint32_t reset_ms = 20);
+
   //--------------------------------------------------------------------+
-  // reset rp2 target to Boot ROM
+  // RP2040 Target
-  void rp2_targetResetBootRom(int bootsel_pin = 28, uint32_t reset_ms = 20);
+  //--------------------------------------------------------------------+
+  // reset rp2040 target to Boot ROM
+  void rp2040_targetResetBootRom(int bootsel_pin = 28, uint32_t reset_ms = 20);
 
-  // program rp2 target by copying UF2 file stored in flash
+  // program rp2040 target by copying UF2 file from SDCard
-  size_t rp2_programUF2(const uint8_t *buffer, size_t bufsize);
-
-  // program rp2 target by copying UF2 file from SDCard
   // return number of copied bytes (typically uf2 file size)
-  size_t rp2_programUF2(const char *fpath);
+  size_t rp2040_programUF2(const char *fpath);
-
-  // backward compatibility
-  void rp2040_targetResetBootRom(int bootsel_pin = 28, uint32_t reset_ms = 20) {
-    rp2_targetResetBootRom(bootsel_pin, reset_ms);
-  }
-
-  size_t rp2040_programUF2(const char *fpath) { return rp2_programUF2(fpath); }
 
   //--------------------------------------------------------------------+
   // DAP (samd21/51, nrf5x, stm32f4 etc..) Target
   //--------------------------------------------------------------------+
   bool dap_begin(Adafruit_DAP *dp);
-  bool dap_connect(uint32_t swj_clock = 50);
+  bool dap_connect(void);
   void dap_disconnect(void);
 
   bool dap_unprotectBoot(void);
@@ -83,12 +86,24 @@ public:
 
   // program dap target with file from SDCard
   // return number of programmed bytes
-  // Note: if do_crc32 is false, we will verify each write by reading back
+  size_t dap_programFlash(const char *fpath, uint32_t addr);
-  size_t dap_programFlash(const char *fpath, uint32_t addr,
-                          bool do_verify = true, bool do_crc32 = true);
 
-  // read dap target flash to file on SDCard
+  //--------------------------------------------------------------------+
-  size_t dap_readFlash(const char *fpath, uint32_t addr, size_t size);
+  // ESP32 Target
+  //--------------------------------------------------------------------+
+
+  bool esp32_begin(ESP32BootROMClass *bootrom, uint32_t baudrate);
+  void esp32_end(bool reset_esp = false);
+
+  // program esp32 target with file from SDCard
+  // return number of programmed bytes
+  size_t esp32_programFlash(const char *fpath, uint32_t addr);
+
+  // program flash with compressed using zipfile struct
+  size_t esp32_programFlashDefl(const esp32_zipfile_t *zfile, uint32_t addr);
+
+  bool esp32_s3_inReset(void);
+  void esp32_s3_clearReset(void);
 
   //--------------------------------------------------------------------+
   // Public Variables
@@ -108,6 +123,11 @@ public:
   // Dap
   Adafruit_DAP *dap;
 
+  // ESP32 ROM
+  ESP32BootROMClass *esp32boot;
+
+  int _target_rst;
+
 private:
   bool _inited;
   uint8_t _lcd_line;
@@ -120,6 +140,10 @@ private:
   int _target_swdio;
   int _target_swdclk;
 
+  bool _esp32_flash_defl;
+  uint32_t _esp32_chip_detect;
+  bool _esp32s3_in_reset;
+
   void lcd_write(uint8_t linenum, char buf[17]);
 };
 

src/ESP32BootROM.cpp

@@ -19,14 +19,11 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
-// https://docs.espressif.com/projects/esptool/en/latest/esp32/advanced-topics/serial-protocol.html
+#if defined(ARDUINO_RASPBERRY_PI_PICO) || defined(__SAMD51__) ||               \
-
-#if defined(ARDUINO_ARCH_RP2040) || defined(__SAMD51__) ||                     \
-    defined(TARGET_RP2040) || defined(ARDUINO_ARCH_ESP32) ||                   \
     (defined(ARDUINO_ARCH_SAMD) && defined(ARM_MATH_CM0PLUS))
 
 #include "ESP32BootROM.h"
-#include "stub_esp.h"
+#include "stub_esp32.h"
 
 #ifdef USE_TINYUSB
 #include "Adafruit_TinyUSB.h"
@@ -199,7 +196,7 @@ void ESP32BootROMClass::resetBootloader(void) {
     // IO0 high: done
     digitalWrite(_gpio0Pin, HIGH);
   }
-#if defined(USE_TINYUSB) && defined(ARDUINO_ARCH_RP2040)
+#ifdef USE_TINYUSB
   else {
     // Serial Host using setDtrRts()
     // - DTR -> IO0
@@ -232,12 +229,14 @@ uint32_t ESP32BootROMClass::begin(unsigned long baudrate) {
   resetBootloader();
 
   bool synced = false;
+
   for (int retries = 0; !synced && (retries < 5); retries++) {
     Serial.println("Trying to sync");
     synced = sync();
     if (synced) {
       break;
     }
+
     delay(10);
   }
   if (!synced) {
@@ -255,19 +254,36 @@ uint32_t ESP32BootROMClass::begin(unsigned long baudrate) {
   Serial.printf("Chip Detect: 0x%08lX\r\n", _chip_detect);
 
   const esp32_stub_loader_t *stub = NULL;
-  for (uint32_t i = 0; i < ESP_STUB_COUNT; i++) {
+  switch (_chip_detect) {
-    if (stub_esp_arr[i]->chip_detect == _chip_detect) {
+  case CHIP_DETECT_MAGIC_ESP32:
-      stub = stub_esp_arr[i];
+    // only ESP32 have SUPPORTS_ENCRYPTED_FLASH = false
+    Serial.println("Found ESP32");
+    stub = &stub_esp32;
+    _supports_encrypted_flash = false;
+    break;
+  case CHIP_DETECT_MAGIC_ESP32S2:
+    Serial.println("Found ESP32-S2");
+    stub = &stub_esp32s2;
+    break;
+
+  case CHIP_DETECT_MAGIC_ESP32S3:
+    Serial.println("Found ESP32-S3");
+    stub = &stub_esp32s3;
+    break;
+
+  case CHIP_DETECT_MAGIC_ESP8266:
+    Serial.println("Found ESP8266");
+    stub = &stub_esp8266;
+    break;
+
+  default:
+    Serial.println("Found unknown ESP");
     break;
-    }
   }
 
   if (stub) {
-    Serial.printf("Found %s\r\n", stub->chip_name);
     VERIFY(uploadStub(stub));
     VERIFY(syncStub(3000));
-  } else {
-    Serial.println("Found unknown ESP chip");
   }
 
   if (baudrate != ESP_ROM_BAUD) {

src/ESP32BootROM.h

@@ -30,11 +30,9 @@ enum {
   CHIP_DETECT_MAGIC_ESP32S2 = 0x000007C6,
   CHIP_DETECT_MAGIC_ESP32S3 = 0x9,
   CHIP_DETECT_MAGIC_ESP8266 = 0xFFF0C101,
-  CHIP_DETECT_MAGIC_ESP32C6 = 0x2CE0806F,
 };
 
 typedef struct {
-  uint32_t chip_detect;
   uint32_t entry;
   uint32_t text_start;
   uint32_t text_length;
@@ -42,7 +40,6 @@ typedef struct {
   uint32_t data_start;
   uint32_t data_length;
   const uint8_t *data;
-  const char *chip_name;
 } esp32_stub_loader_t;
 
 class ESP32BootROMClass {

src/stub_esp32.h

@@ -1,11 +1,7 @@
-// Generated by tools/esp_stub.py
-#define ESP_STUB_COUNT (5)
-
 // const esp32_stub_loader_t stub_esp32
 // const esp32_stub_loader_t stub_esp32s2
 // const esp32_stub_loader_t stub_esp32s3
 // const esp32_stub_loader_t stub_esp8266
-// const esp32_stub_loader_t stub_esp32c6
 
 //------------- esp32 -------------//
 const uint8_t _stub_esp32_data[4] = {
@@ -305,7 +301,6 @@ const uint8_t _stub_esp32_text[3432] = {
 };
 
 const esp32_stub_loader_t stub_esp32 = {
-    .chip_detect = 0x00f01d83,
     .entry = 0x400be5ac,
     .text_start = 0x400be000,
     .text_length = 3432,
@@ -313,7 +308,6 @@ const esp32_stub_loader_t stub_esp32 = {
     .data_start = 0x3ffdeba8,
     .data_length = 4,
     .data = _stub_esp32_data,
-    .chip_name = "ESP32",
 };
 
 //------------- esp32s2 -------------//
@@ -673,7 +667,6 @@ const uint8_t _stub_esp32s2_text[4136] = {
 };
 
 const esp32_stub_loader_t stub_esp32s2 = {
-    .chip_detect = 0x000007c6,
     .entry = 0x40028760,
     .text_start = 0x40028000,
     .text_length = 4136,
@@ -681,7 +674,6 @@ const esp32_stub_loader_t stub_esp32s2 = {
     .data_start = 0x3ffe2bf4,
     .data_length = 4,
     .data = _stub_esp32s2_data,
-    .chip_name = "ESP32S2",
 };
 
 //------------- esp32s3 -------------//
@@ -1099,7 +1091,6 @@ const uint8_t _stub_esp32s3_text[4836] = {
 };
 
 const esp32_stub_loader_t stub_esp32s3 = {
-    .chip_detect = 0x00000009,
     .entry = 0x40378988,
     .text_start = 0x40378000,
     .text_length = 4836,
@@ -1107,7 +1098,6 @@ const esp32_stub_loader_t stub_esp32s3 = {
     .data_start = 0x3fcb2bf4,
     .data_length = 4,
     .data = _stub_esp32s3_data,
-    .chip_name = "ESP32S3",
 };
 
 //------------- esp8266 -------------//
@@ -1869,7 +1859,6 @@ const uint8_t _stub_esp8266_text[8240] = {
 };
 
 const esp32_stub_loader_t stub_esp8266 = {
-    .chip_detect = 0xfff0c101,
     .entry = 0x4010d004,
     .text_start = 0x4010d000,
     .text_length = 8240,
@@ -1877,358 +1866,4 @@ const esp32_stub_loader_t stub_esp8266 = {
     .data_start = 0x3fffaca8,
     .data_length = 768,
     .data = _stub_esp8266_data,
-    .chip_name = "ESP8266",
-};
-
-//------------- esp32c6 -------------//
-const uint8_t _stub_esp32c6_data[160] = {
-    0x14, 0x00, 0x84, 0x40, 0x72, 0x0a, 0x80, 0x40, 0xc2, 0x0a, 0x80, 0x40,
-    0x1a, 0x0b, 0x80, 0x40, 0xe8, 0x0b, 0x80, 0x40, 0x54, 0x0c, 0x80, 0x40,
-    0x02, 0x0c, 0x80, 0x40, 0x3e, 0x09, 0x80, 0x40, 0xa4, 0x0b, 0x80, 0x40,
-    0xe4, 0x0b, 0x80, 0x40, 0x2e, 0x0b, 0x80, 0x40, 0xee, 0x08, 0x80, 0x40,
-    0x62, 0x0b, 0x80, 0x40, 0xee, 0x08, 0x80, 0x40, 0x4c, 0x0a, 0x80, 0x40,
-    0x92, 0x0a, 0x80, 0x40, 0xc2, 0x0a, 0x80, 0x40, 0x1a, 0x0b, 0x80, 0x40,
-    0x5e, 0x0a, 0x80, 0x40, 0xa2, 0x09, 0x80, 0x40, 0xd2, 0x09, 0x80, 0x40,
-    0x5a, 0x0a, 0x80, 0x40, 0xac, 0x0e, 0x80, 0x40, 0xc2, 0x0a, 0x80, 0x40,
-    0x6c, 0x0d, 0x80, 0x40, 0x64, 0x0e, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40,
-    0x8c, 0x0e, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40,
-    0x2e, 0x08, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40,
-    0x2e, 0x08, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40,
-    0x08, 0x0d, 0x80, 0x40, 0x2e, 0x08, 0x80, 0x40, 0x8a, 0x0d, 0x80, 0x40,
-    0x64, 0x0e, 0x80, 0x40,
-};
-
-const uint8_t _stub_esp32c6_text[3792] = {
-    0x41, 0x11, 0x22, 0xc4, 0x26, 0xc2, 0x06, 0xc6, 0xb7, 0xf7, 0x00, 0x60,
-    0x11, 0x47, 0x37, 0x04, 0x84, 0x40, 0xd8, 0xcb, 0xb7, 0xf4, 0x00, 0x60,
-    0x13, 0x04, 0x04, 0x00, 0xdc, 0x40, 0x91, 0x8b, 0x91, 0xe7, 0xb2, 0x40,
-    0x22, 0x44, 0x92, 0x44, 0x41, 0x01, 0x82, 0x80, 0x88, 0x40, 0x1c, 0x40,
-    0x13, 0x75, 0xf5, 0x0f, 0x82, 0x97, 0xdd, 0xb7, 0x01, 0x11, 0xb7, 0x07,
-    0x00, 0x60, 0x4e, 0xc6, 0x83, 0xa9, 0x87, 0x00, 0x4a, 0xc8, 0x37, 0x09,
-    0x84, 0x40, 0x26, 0xca, 0x52, 0xc4, 0x06, 0xce, 0x22, 0xcc, 0xb7, 0x04,
-    0x00, 0x60, 0x7d, 0x5a, 0x13, 0x09, 0x09, 0x00, 0xc0, 0x4c, 0x13, 0x74,
-    0xf4, 0x0f, 0x0d, 0xe0, 0xf2, 0x40, 0x62, 0x44, 0x23, 0xa8, 0x34, 0x01,
-    0x42, 0x49, 0xd2, 0x44, 0xb2, 0x49, 0x22, 0x4a, 0x05, 0x61, 0x82, 0x80,
-    0x88, 0x40, 0x83, 0x27, 0x09, 0x00, 0x13, 0x75, 0xf5, 0x0f, 0x82, 0x97,
-    0x7d, 0x14, 0xe3, 0x19, 0x44, 0xff, 0xc9, 0xbf, 0x13, 0x07, 0x00, 0x0c,
-    0x94, 0x41, 0xaa, 0x87, 0x63, 0x18, 0xe5, 0x00, 0x85, 0x47, 0x85, 0xc6,
-    0x23, 0xa0, 0x05, 0x00, 0x79, 0x55, 0x82, 0x80, 0x05, 0x47, 0x63, 0x87,
-    0xe6, 0x00, 0x09, 0x46, 0x63, 0x8d, 0xc6, 0x00, 0x7d, 0x55, 0x82, 0x80,
-    0x42, 0x05, 0x13, 0x07, 0xb0, 0x0d, 0x41, 0x85, 0x63, 0x95, 0xe7, 0x02,
-    0x89, 0x47, 0x9c, 0xc1, 0xf5, 0xb7, 0x93, 0x06, 0xc0, 0x0d, 0x63, 0x16,
-    0xd5, 0x00, 0x98, 0xc1, 0x13, 0x05, 0x00, 0x0c, 0x82, 0x80, 0x93, 0x06,
-    0xd0, 0x0d, 0x7d, 0x55, 0x63, 0x95, 0xd7, 0x00, 0x98, 0xc1, 0x13, 0x05,
-    0xb0, 0x0d, 0x82, 0x80, 0xb7, 0x35, 0x85, 0x40, 0x41, 0x11, 0x93, 0x85,
-    0x85, 0xba, 0x06, 0xc6, 0x61, 0x3f, 0x63, 0x45, 0x05, 0x06, 0xb7, 0x37,
-    0x85, 0x40, 0x93, 0x87, 0x07, 0xb2, 0x03, 0xa7, 0x07, 0x08, 0x03, 0xd6,
-    0x47, 0x08, 0x13, 0x75, 0xf5, 0x0f, 0x93, 0x06, 0x16, 0x00, 0xc2, 0x06,
-    0xc1, 0x82, 0x23, 0x92, 0xd7, 0x08, 0x32, 0x97, 0x23, 0x00, 0xa7, 0x00,
-    0x03, 0xd7, 0x47, 0x08, 0x91, 0x67, 0x93, 0x87, 0x07, 0x04, 0x63, 0x1e,
-    0xf7, 0x02, 0x37, 0xb7, 0x84, 0x40, 0x13, 0x07, 0x07, 0xb2, 0xa1, 0x67,
-    0xba, 0x97, 0x03, 0xa6, 0x07, 0x08, 0xb7, 0xf6, 0x84, 0x40, 0xb7, 0x37,
-    0x85, 0x40, 0x93, 0x87, 0x07, 0xb2, 0x93, 0x86, 0x06, 0xb6, 0x63, 0x1f,
-    0xe6, 0x00, 0x23, 0xa6, 0xc7, 0x08, 0x23, 0xa0, 0xd7, 0x08, 0x23, 0x92,
-    0x07, 0x08, 0x21, 0xa0, 0xf9, 0x57, 0xe3, 0x06, 0xf5, 0xfc, 0xb2, 0x40,
-    0x41, 0x01, 0x82, 0x80, 0x23, 0xa6, 0xd7, 0x08, 0x23, 0xa0, 0xe7, 0x08,
-    0xdd, 0xb7, 0x37, 0x37, 0x00, 0x60, 0x7c, 0x4b, 0x9d, 0x8b, 0xf5, 0xff,
-    0x37, 0x27, 0x00, 0x60, 0x7c, 0x4b, 0x9d, 0x8b, 0xf5, 0xff, 0x82, 0x80,
-    0x41, 0x11, 0x06, 0xc6, 0xdd, 0x37, 0xb7, 0x37, 0x00, 0x60, 0x23, 0xa6,
-    0x07, 0x02, 0x37, 0x07, 0x00, 0x08, 0x98, 0xc3, 0x98, 0x43, 0x7d, 0xff,
-    0xc8, 0x57, 0xb2, 0x40, 0x13, 0x45, 0xf5, 0xff, 0x05, 0x89, 0x41, 0x01,
-    0x82, 0x80, 0x41, 0x11, 0x06, 0xc6, 0xd9, 0x3f, 0x7d, 0xdd, 0x37, 0x07,
-    0x00, 0x40, 0xb7, 0x37, 0x00, 0x60, 0x98, 0xc3, 0x37, 0x37, 0x00, 0x60,
-    0x1c, 0x43, 0xfd, 0xff, 0xb2, 0x40, 0x41, 0x01, 0x82, 0x80, 0x41, 0x11,
-    0x22, 0xc4, 0x37, 0x84, 0x84, 0x40, 0x93, 0x07, 0x44, 0x01, 0x4a, 0xc0,
-    0x03, 0xa9, 0x07, 0x01, 0x06, 0xc6, 0x26, 0xc2, 0x63, 0x0a, 0x09, 0x04,
-    0x45, 0x37, 0x39, 0xc5, 0xbd, 0x47, 0x13, 0x04, 0x44, 0x01, 0x81, 0x44,
-    0x63, 0xd6, 0x27, 0x01, 0x04, 0x44, 0xbd, 0x88, 0x93, 0xb4, 0x14, 0x00,
-    0x7d, 0x37, 0x85, 0x3f, 0x1c, 0x44, 0x37, 0x06, 0x80, 0x00, 0x13, 0x97,
-    0xc7, 0x00, 0x99, 0xe0, 0x37, 0x06, 0x00, 0x01, 0xb7, 0xf6, 0xff, 0x00,
-    0x75, 0x8f, 0xb7, 0x36, 0x00, 0x60, 0xd8, 0xc2, 0x90, 0xc2, 0x98, 0x42,
-    0x7d, 0xff, 0x41, 0x47, 0x91, 0xe0, 0x05, 0x47, 0x33, 0x09, 0xe9, 0x40,
-    0xba, 0x97, 0x23, 0x28, 0x24, 0x01, 0x1c, 0xc4, 0xb2, 0x40, 0x22, 0x44,
-    0x92, 0x44, 0x02, 0x49, 0x41, 0x01, 0x82, 0x80, 0x01, 0x11, 0x06, 0xce,
-    0x22, 0xcc, 0x25, 0x37, 0x37, 0x04, 0xce, 0x3f, 0x6c, 0x00, 0x13, 0x05,
-    0x44, 0xff, 0x97, 0x00, 0x80, 0xff, 0xe7, 0x80, 0xa0, 0xf2, 0xaa, 0x87,
-    0x05, 0x45, 0x95, 0xe7, 0xb2, 0x47, 0x93, 0xf7, 0x07, 0x20, 0x3e, 0xc6,
-    0x89, 0x37, 0x37, 0x37, 0x00, 0x60, 0x1c, 0x47, 0xb7, 0x06, 0x40, 0x00,
-    0x13, 0x05, 0x44, 0xff, 0xd5, 0x8f, 0x1c, 0xc7, 0xb2, 0x45, 0x97, 0x00,
-    0x80, 0xff, 0xe7, 0x80, 0x20, 0xf0, 0x33, 0x35, 0xa0, 0x00, 0xf2, 0x40,
-    0x62, 0x44, 0x05, 0x61, 0x82, 0x80, 0x41, 0x11, 0xb7, 0x87, 0x84, 0x40,
-    0x06, 0xc6, 0x93, 0x87, 0x47, 0x01, 0x05, 0x47, 0x23, 0x80, 0xe7, 0x00,
-    0x13, 0xd7, 0xc5, 0x00, 0x98, 0xc7, 0x05, 0x67, 0x7d, 0x17, 0xcc, 0xc3,
-    0xc8, 0xc7, 0xf9, 0x8d, 0x3a, 0x95, 0xaa, 0x95, 0xb1, 0x81, 0x8c, 0xcb,
-    0x23, 0xaa, 0x07, 0x00, 0x41, 0x37, 0x19, 0xc1, 0x13, 0x05, 0x50, 0x0c,
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-    0xcb, 0x00, 0xb3, 0x67, 0x8c, 0x00, 0xd2, 0x07, 0xf5, 0xf7, 0xef, 0xf0,
-    0xbf, 0x85, 0x7d, 0xf1, 0xc1, 0x6c, 0x22, 0x9c, 0xfd, 0x1c, 0x7d, 0x7d,
-    0x33, 0x05, 0x8c, 0x40, 0x55, 0xdc, 0xb3, 0x77, 0x95, 0x01, 0x95, 0xe3,
-    0xc1, 0x6c, 0x33, 0x05, 0x8c, 0x40, 0x63, 0xe6, 0x8c, 0x02, 0xfd, 0x7c,
-    0x33, 0x05, 0x8c, 0x40, 0x55, 0xd0, 0x31, 0x81, 0x97, 0xf0, 0x7f, 0xff,
-    0xe7, 0x80, 0x80, 0x72, 0x55, 0xf9, 0x66, 0x94, 0xf5, 0xb7, 0x31, 0x81,
-    0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80, 0x80, 0x71, 0x55, 0xf1, 0x6a, 0x94,
-    0xd1, 0xb7, 0x41, 0x81, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80, 0xc0, 0x70,
-    0x51, 0xf9, 0x33, 0x04, 0x94, 0x41, 0xc1, 0xb7, 0x21, 0x47, 0xe3, 0x89,
-    0xe7, 0xf0, 0x01, 0x4c, 0x13, 0x04, 0x00, 0x0c, 0x31, 0xb7, 0x41, 0x47,
-    0xcd, 0xbf, 0x41, 0x47, 0x05, 0x44, 0xe3, 0x9c, 0xe7, 0xf6, 0x83, 0xa5,
-    0xcb, 0x00, 0x03, 0xa5, 0x8b, 0x00, 0xe5, 0x32, 0xb1, 0xbf, 0x41, 0x47,
-    0x05, 0x44, 0xe3, 0x92, 0xe7, 0xf6, 0x03, 0xa7, 0x0b, 0x01, 0x91, 0x67,
-    0x63, 0xea, 0xe7, 0x1e, 0x83, 0xa5, 0x4b, 0x01, 0x03, 0xa5, 0x8b, 0x00,
-    0xef, 0xf0, 0xff, 0x80, 0x35, 0xbf, 0x41, 0x47, 0x05, 0x44, 0xe3, 0x92,
-    0xe7, 0xf4, 0x83, 0xa7, 0x0b, 0x01, 0x11, 0x67, 0x63, 0x6a, 0xf7, 0x1c,
-    0x03, 0xa7, 0xcb, 0x00, 0x83, 0xa5, 0x4b, 0x01, 0x03, 0xa5, 0x8b, 0x00,
-    0x33, 0x84, 0xe7, 0x02, 0xef, 0xf0, 0x6f, 0xfe, 0x23, 0xac, 0x04, 0x00,
-    0x23, 0x24, 0x8a, 0xb0, 0x31, 0xb7, 0x03, 0xc7, 0x04, 0x00, 0x63, 0x03,
-    0x07, 0x14, 0x03, 0xa7, 0x8b, 0x00, 0xc1, 0x17, 0x13, 0x04, 0x00, 0x0c,
-    0x63, 0x13, 0xf7, 0x00, 0xc0, 0x48, 0x01, 0x47, 0x93, 0x06, 0xf0, 0x0e,
-    0x63, 0x46, 0xf7, 0x02, 0x83, 0xc7, 0x5b, 0x00, 0x03, 0xc7, 0x4b, 0x00,
-    0x01, 0x4c, 0xa2, 0x07, 0xd9, 0x8f, 0x03, 0xc7, 0x6b, 0x00, 0x42, 0x07,
-    0x5d, 0x8f, 0x83, 0xc7, 0x7b, 0x00, 0xe2, 0x07, 0xd9, 0x8f, 0xe3, 0x81,
-    0xf6, 0xe6, 0x13, 0x04, 0x10, 0x0c, 0xa9, 0xbd, 0x33, 0x86, 0xeb, 0x00,
-    0x03, 0x46, 0x86, 0x01, 0x05, 0x07, 0xb1, 0x8e, 0xe1, 0xb7, 0x83, 0xc7,
-    0x04, 0x00, 0xfd, 0xc7, 0xdc, 0x44, 0x63, 0x9d, 0x07, 0x14, 0xc0, 0x48,
-    0x23, 0x80, 0x04, 0x00, 0x7d, 0xb5, 0x61, 0x47, 0x63, 0x96, 0xe7, 0x02,
-    0x83, 0xa7, 0xcb, 0x01, 0x03, 0xa7, 0x8b, 0x01, 0x83, 0xa6, 0x4b, 0x01,
-    0x03, 0xa6, 0x0b, 0x01, 0x83, 0xa5, 0xcb, 0x00, 0x03, 0xa5, 0x8b, 0x00,
-    0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80, 0x40, 0x61, 0x2a, 0x8c, 0x33, 0x34,
-    0xa0, 0x00, 0x29, 0xb5, 0x01, 0x4c, 0x05, 0x44, 0x11, 0xb5, 0x11, 0x47,
-    0x05, 0x44, 0xe3, 0x9a, 0xe7, 0xe6, 0xb7, 0x97, 0x00, 0x60, 0xb4, 0x5f,
-    0x65, 0x77, 0x7d, 0x17, 0x05, 0x66, 0xf9, 0x8e, 0xd1, 0x8e, 0x03, 0xa5,
-    0x8b, 0x00, 0xb4, 0xdf, 0xb4, 0x57, 0x81, 0x45, 0xf9, 0x8e, 0xd1, 0x8e,
-    0xb4, 0xd7, 0xf4, 0x5f, 0xf9, 0x8e, 0xd1, 0x8e, 0xf4, 0xdf, 0xf4, 0x53,
-    0x75, 0x8f, 0x51, 0x8f, 0xf8, 0xd3, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80,
-    0x20, 0x64, 0x29, 0xbd, 0x13, 0xf7, 0xf7, 0x00, 0xe3, 0x15, 0x07, 0xea,
-    0x93, 0xdc, 0x47, 0x00, 0x13, 0x84, 0x8b, 0x00, 0x01, 0x4c, 0x7d, 0x5d,
-    0xe3, 0x74, 0x9c, 0xdb, 0x48, 0x44, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80,
-    0x20, 0x48, 0x18, 0x44, 0x54, 0x40, 0x10, 0x40, 0xf9, 0x8e, 0x63, 0x07,
-    0xa7, 0x01, 0x1c, 0x42, 0x13, 0x47, 0xf7, 0xff, 0x7d, 0x8f, 0xd9, 0x8e,
-    0x14, 0xc2, 0x05, 0x0c, 0x41, 0x04, 0xd9, 0xbf, 0x11, 0x47, 0xa5, 0xb5,
-    0x41, 0x47, 0x05, 0x44, 0xe3, 0x97, 0xe7, 0xde, 0x83, 0xa7, 0x8b, 0x00,
-    0x03, 0xa7, 0x4b, 0x01, 0x23, 0x28, 0xf9, 0x00, 0x23, 0x26, 0xe9, 0x00,
-    0x75, 0xbb, 0x83, 0x25, 0xc9, 0x00, 0xc1, 0x17, 0x91, 0xe5, 0x89, 0xcf,
-    0x01, 0x4c, 0x13, 0x04, 0x60, 0x0c, 0x89, 0xbb, 0x03, 0x27, 0x09, 0x01,
-    0x63, 0x66, 0xf7, 0x06, 0x13, 0xf7, 0x37, 0x00, 0xe3, 0x19, 0x07, 0xe2,
-    0x03, 0x28, 0x09, 0x01, 0x01, 0x46, 0x01, 0x47, 0x33, 0x05, 0xe8, 0x40,
-    0xb3, 0x86, 0xe5, 0x00, 0x63, 0x69, 0xf7, 0x00, 0xe3, 0x04, 0x06, 0xd2,
-    0x23, 0x28, 0xa9, 0x00, 0x23, 0x26, 0xd9, 0x00, 0x31, 0xbb, 0x33, 0x86,
-    0xeb, 0x00, 0x10, 0x4e, 0x11, 0x07, 0x90, 0xc2, 0x05, 0x46, 0xe9, 0xbf,
-    0x21, 0x47, 0x05, 0x44, 0xe3, 0x91, 0xe7, 0xd8, 0x03, 0x24, 0x09, 0x01,
-    0x19, 0xc0, 0x13, 0x04, 0x80, 0x0c, 0x23, 0x28, 0x09, 0x00, 0x23, 0x26,
-    0x09, 0x00, 0x33, 0x34, 0x80, 0x00, 0xa5, 0xb3, 0x01, 0x4c, 0x13, 0x04,
-    0x20, 0x0c, 0xed, 0xb1, 0x01, 0x4c, 0x13, 0x04, 0x80, 0x0c, 0xcd, 0xb1,
-    0x01, 0x4c, 0x13, 0x04, 0x90, 0x0c, 0xe9, 0xb9, 0x13, 0x07, 0x20, 0x0d,
-    0x63, 0x83, 0xe7, 0x0c, 0x13, 0x07, 0x40, 0x0d, 0xe3, 0x9b, 0xe7, 0xb8,
-    0x03, 0xc4, 0x3b, 0x00, 0x83, 0xc7, 0x2b, 0x00, 0x22, 0x04, 0x5d, 0x8c,
-    0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80, 0x40, 0x47, 0x03, 0xac, 0xc4, 0x00,
-    0x41, 0x14, 0x63, 0x73, 0x84, 0x01, 0x22, 0x8c, 0xe3, 0x09, 0x0c, 0xb6,
-    0xc0, 0x40, 0x62, 0x94, 0x31, 0x80, 0x9c, 0x48, 0x63, 0x55, 0xf0, 0x00,
-    0x9c, 0x44, 0x63, 0x5b, 0xf4, 0x0a, 0xef, 0xf0, 0xaf, 0xcb, 0x75, 0xdd,
-    0xc8, 0x40, 0x62, 0x86, 0x93, 0x85, 0x8b, 0x01, 0x97, 0xf0, 0x7f, 0xff,
-    0xe7, 0x80, 0x40, 0x43, 0x01, 0xc5, 0x93, 0x07, 0x40, 0x0c, 0xdc, 0xc8,
-    0xdc, 0x40, 0xe2, 0x97, 0xdc, 0xc0, 0xdc, 0x44, 0xb3, 0x87, 0x87, 0x41,
-    0xdc, 0xc4, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80, 0x20, 0x42, 0x25, 0xb6,
-    0x09, 0x65, 0x13, 0x05, 0x05, 0x71, 0x03, 0xac, 0xcb, 0x00, 0x03, 0xa4,
-    0x8b, 0x00, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80, 0xa0, 0x32, 0xb7, 0x07,
-    0x00, 0x60, 0xd8, 0x4b, 0xb7, 0x06, 0x00, 0x01, 0xc1, 0x16, 0x93, 0x57,
-    0x47, 0x01, 0x12, 0x07, 0x75, 0x8f, 0xbd, 0x8b, 0xd9, 0x8f, 0xb3, 0x87,
-    0x87, 0x03, 0x01, 0x45, 0xb3, 0xd5, 0x87, 0x02, 0x97, 0xf0, 0x7f, 0xff,
-    0xe7, 0x80, 0xc0, 0x33, 0x13, 0x05, 0x80, 0x3e, 0x97, 0xf0, 0x7f, 0xff,
-    0xe7, 0x80, 0x40, 0x2f, 0xe9, 0xbc, 0x83, 0xa6, 0x4b, 0x01, 0x03, 0xa6,
-    0x0b, 0x01, 0x83, 0xa5, 0xcb, 0x00, 0x03, 0xa5, 0x8b, 0x00, 0xef, 0xf0,
-    0xef, 0xfb, 0xd1, 0xb4, 0x83, 0xc5, 0x3b, 0x00, 0x83, 0xc7, 0x2b, 0x00,
-    0x13, 0x85, 0x8b, 0x01, 0xa2, 0x05, 0xdd, 0x8d, 0xc1, 0x15, 0xef, 0xf0,
-    0x8f, 0xd5, 0x75, 0xb4, 0xef, 0xf0, 0xef, 0xc4, 0x3d, 0xbf, 0x03, 0xc4,
-    0x3b, 0x00, 0x83, 0xc7, 0x2b, 0x00, 0x13, 0x8c, 0x8b, 0x01, 0x22, 0x04,
-    0x5d, 0x8c, 0xdc, 0x44, 0x41, 0x14, 0xcd, 0xe3, 0x91, 0x47, 0x85, 0x4b,
-    0x63, 0xff, 0x87, 0x08, 0x93, 0x07, 0x90, 0x0c, 0xdc, 0xc8, 0x41, 0xb4,
-    0x03, 0xa7, 0x0d, 0x00, 0x22, 0xd0, 0x05, 0x48, 0xb3, 0x87, 0xec, 0x40,
-    0x3e, 0xd6, 0x83, 0x27, 0x8a, 0xb0, 0x63, 0x73, 0xf4, 0x00, 0x0d, 0x48,
-    0x42, 0xc6, 0x3a, 0xc4, 0xef, 0xf0, 0x6f, 0xc0, 0x22, 0x47, 0x32, 0x48,
-    0x37, 0x85, 0x84, 0x40, 0xe2, 0x85, 0x7c, 0x10, 0x93, 0x86, 0x4a, 0x01,
-    0x10, 0x10, 0x13, 0x05, 0xc5, 0x02, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80,
-    0x20, 0x31, 0x37, 0xb7, 0x84, 0x40, 0x93, 0x08, 0x47, 0x01, 0x82, 0x57,
-    0x03, 0xa7, 0x88, 0xb0, 0x83, 0xa5, 0x0d, 0x00, 0x1d, 0x8c, 0x1d, 0x8f,
-    0x3e, 0x9c, 0xb2, 0x57, 0x23, 0xa4, 0xe8, 0xb0, 0xaa, 0x8b, 0xbe, 0x95,
-    0x23, 0xa0, 0xbd, 0x00, 0x93, 0x87, 0x4a, 0x01, 0x9d, 0x8d, 0x01, 0xc5,
-    0xa1, 0x67, 0x63, 0x97, 0xf5, 0x00, 0x5a, 0x85, 0xef, 0xf0, 0x2f, 0xcb,
-    0x23, 0xa0, 0x6d, 0x01, 0x09, 0xc4, 0xdc, 0x44, 0x99, 0xc3, 0xe3, 0x4f,
-    0x70, 0xf7, 0x63, 0xdf, 0x0b, 0x00, 0x93, 0x07, 0x70, 0x0c, 0xbd, 0xb7,
-    0x85, 0x4b, 0xb7, 0x3d, 0x85, 0x40, 0xb7, 0x8c, 0x84, 0x40, 0x93, 0x8d,
-    0x0d, 0xbb, 0x93, 0x8c, 0x4c, 0x01, 0xe9, 0xbf, 0xe3, 0x9d, 0x0b, 0x9c,
-    0xdc, 0x44, 0xe3, 0x8a, 0x07, 0x9c, 0x93, 0x07, 0x80, 0x0c, 0xa9, 0xb7,
-    0x83, 0xa7, 0x8b, 0x00, 0xe3, 0x93, 0x07, 0x9c, 0xef, 0xf0, 0x2f, 0xd3,
-    0x09, 0x65, 0x13, 0x05, 0x05, 0x71, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80,
-    0xa0, 0x1c, 0xef, 0xf0, 0xaf, 0xce, 0x97, 0xf0, 0x7f, 0xff, 0xe7, 0x80,
-    0xe0, 0x20, 0x55, 0xb2, 0x03, 0xa4, 0xcb, 0x00, 0xe3, 0x0f, 0x04, 0x98,
-    0xef, 0xf0, 0xaf, 0xd0, 0x13, 0x05, 0x80, 0x3e, 0x97, 0xf0, 0x7f, 0xff,
-    0xe7, 0x80, 0x40, 0x1a, 0xef, 0xf0, 0x4f, 0xcc, 0x02, 0x94, 0x51, 0xb2,
-    0xef, 0xf0, 0xcf, 0xcb, 0xf6, 0x50, 0x66, 0x54, 0xd6, 0x54, 0x46, 0x59,
-    0xb6, 0x59, 0x26, 0x5a, 0x96, 0x5a, 0x06, 0x5b, 0xf6, 0x4b, 0x66, 0x4c,
-    0xd6, 0x4c, 0x46, 0x4d, 0xb6, 0x4d, 0x09, 0x61, 0x82, 0x80, 0x00, 0x00,
-};
-
-const esp32_stub_loader_t stub_esp32c6 = {
-    .chip_detect = 0x2ce0806f,
-    .entry = 0x408006c4,
-    .text_start = 0x40800000,
-    .text_length = 3792,
-    .text = _stub_esp32c6_text,
-    .data_start = 0x40852bb0,
-    .data_length = 160,
-    .data = _stub_esp32c6_data,
-    .chip_name = "ESP32C6",
-};
-
-const esp32_stub_loader_t *stub_esp_arr[] = {
-    &stub_esp32, &stub_esp32s2, &stub_esp32s3, &stub_esp8266, &stub_esp32c6,
 };

tools/esp_compress.py

@@ -1,7 +1,21 @@
+import sys
 import zlib
 import hashlib
 from pathlib import Path
-import click
+import os.path
+
+output_header = 'esp_binaries.h'
+
+# Argument is path to folder containing .bin files
+# This script will create .bin.gz file with the same name to the folder
+# and also print out C array of the gz along with MD5 checksum
+dir = ''
+if len(sys.argv) == 1:
+    print("No [DIRS] arguments, use current directory as default")
+    dir = Path('./')
+else:
+    # only take 1 argument
+    dir = Path(sys.argv[1])
 
 def print_carray(f, payload):
     while len(payload) > 0:
@@ -11,31 +25,19 @@ def print_carray(f, payload):
         payload = payload[16:]
     f.write('\n')
 
-
+with open(output_header, 'w') as fc:
-@click.command()
-@click.argument('dpath', type=click.Path(exists=True), default='.')
-@click.option('--sd', is_flag=True, default=False, help='Generate header for using with SDCard')
-def main(dpath, sd):
-    """
-    This script takes a directory path (default is current directory) and
-    create compressed .bin.gz file along 'esp_binaries.h' containing metadata in esp32_zipfile_t struct.
-    Which can be used to program ESP32 with TestBed or Brain.
-    If '--sd' option is specified, it will skip generating C array data for gz file.
-    """
-    output_header = 'esp_binaries.h'
-    with open(output_header, 'w') as fc:
     # print typedef struct
     fc.write('// Generated by tools/esp_compress.py\n')
-        file_list = sorted(Path(dpath).glob('*.bin'))
+    file_list = sorted(dir.glob('*.bin'))
-        fc.write(f'#define ESP_BINARIES_COUNT ({len(file_list)})\n\n')
+    fc.write('#define ESP_BINARIES_COUNT ({})\n\n'.format(len(file_list)))
 
     # print list of struct first
     for fname in file_list:
         var = fname.stem
         var = var.replace('.', '_')
         var = var.replace('-', '_')
-            fc.write(f'// const esp32_zipfile_t {var}\n')
+        fc.write('// const esp32_zipfile_t {}\n'.format(var))
-        fc.write('\n')
+    fc.write('\n'.format(var))
 
     for fname in file_list:
         with open(fname, 'rb') as fi:
@@ -54,28 +56,19 @@ def main(dpath, sd):
             var = var.replace('-', '_')
 
             # bin gz contents
-                if not sd:
+            fc.write('const uint8_t _{}_gz[{}] = {{'.format(var, len(zimage)))
-                    fc.write(f'const uint8_t _{var}_gz[{len(zimage)}] = {{')
             print_carray(fc, zimage)
             fc.write('};\n\n')
 
-                fc.write(f'const esp32_zipfile_t {var} = {{\n')
+            fc.write('const esp32_zipfile_t {} = {{\n'.format(var))
-                fc.write(f'  .name = "{fzname}",\n')
+            fc.write('  .name = "{}",\n'.format(var))
-                if sd:
+            fc.write('  .data = _{}_gz,\n'.format(var))
-                    fc.write(f'  .data = NULL,\n')
+            fc.write('  .compressed_len = {},\n'.format(len(zimage)))
-                else:
+            fc.write('  .uncompressed_len = {},\n'.format(len(image)))
-                    fc.write(f'  .data = _{var}_gz,\n')
-                fc.write(f'  .compressed_len = {len(zimage)},\n')
-                fc.write(f'  .uncompressed_len = {len(image)},\n')
             fc.write('  .md5 = {')
             print_carray(fc, md5.digest())
             fc.write('  },\n')
             fc.write('};\n')
             fc.write('\n')
 
-                deflation = 100*(1-len(zimage)/len(image))
+            print("Compressed {}: {} to {} bytes, deflation: {:.2f}%".format(var, len(image), len(zimage), 100*(1-len(zimage)/len(image))))
-                print(f"Compressed {var}: {len(image)} to {len(zimage)} bytes, deflation: {deflation:.2f}%")
-
-
-if __name__ == '__main__':
-    main()

tools/file2carray.py

@@ -1,45 +0,0 @@
-#!/usr/bin/env python3
-import argparse
-import random
-import os
-import sys
-import time
-import subprocess
-from pathlib import Path
-from multiprocessing import Pool
-from weakref import finalize
-
-
-def print_carray(f, payload):
-    while len(payload) > 0:
-        f.write('\n    ')
-        f.write(', '.join('0x{:02x}'.format(x) for x in payload[0:16]))
-        f.write(',')
-        payload = payload[16:]
-    f.write('\n')
-
-
-def main():
-    parser = argparse.ArgumentParser(description='Convert binary files to C array format')
-    parser.add_argument('files', nargs='+', help='Binary files to convert')
-    args = parser.parse_args()
-
-    files = args.files
-    for fin_name in files:
-        if not os.path.isfile(fin_name):
-            print(f"File {fin_name} does not exist")
-            continue
-
-        with open(fin_name, 'rb') as fin:
-            contents = fin.read()
-            fout_name = fin_name + '.h'
-            with open(fout_name, 'w') as fout:
-                print(f"Converting {fin_name} to {fout_name}")
-                fout.write(f'const size_t bindata_len = {len(contents)};\n')
-                fout.write(f'const uint8_t bindata[] __attribute__((aligned(16))) = {{')
-                print_carray(fout, contents)
-                fout.write('};\n')
-
-
-if __name__ == '__main__':
-    sys.exit(main())