improve boot time message & remove boot serial wait

abstraction_arduino.h

@@ -495,13 +495,18 @@ uint32 _HardwareIn(const uint32 Port) {
 /* Console abstraction functions */
 /*===============================================================================*/
 
+#include "arduino_hooks.h"
+
 int _kbhit(void) {
+    if (_kbhit_hook && _kbhit_hook()) { return true; }
     return(Serial.available());
 }
 
 uint8 _getch(void) {
-	while (!Serial.available());
-	return(Serial.read());
+    while(true) {
+        if(_kbhit_hook && _kbhit_hook()) { return _getch_hook(); }
+        if(Serial.available()) { return Serial.read(); }
+    }
 }
 
 uint8 _getche(void) {
@@ -512,6 +517,7 @@ uint8 _getche(void) {
 
 void _putch(uint8 ch) {
 	Serial.write(ch);
+        if(_putch_hook) _putch_hook(ch);
 }
 
 void _clrscr(void) {

arduino_hooks.h

@@ -1,5 +1,8 @@
 #pragma once
 
+#include <stdbool.h>
+#include <stdint.h>
+
 extern bool (*_kbhit_hook)(void);
 extern uint8_t (*_getch_hook)(void);
 extern void (*_putch_hook)(uint8_t ch);

console.h

@@ -47,4 +47,14 @@ void _puthex16(uint16 w)	// puts a HHHH hex string
 	_puthex8(w & 0x00ff);
 }
 
+void _putdec(uint16_t w) {
+    char buf[] = "    0";
+    size_t i=sizeof(buf)-1;
+    while(w) {
+        assert(i > 0);
+        buf[--i] = '0' + (w % 10);
+        w /= 10;
+    }
+    _puts(buf);
+}
 #endif

hardware/pico/feather_dvi.h

@@ -0,0 +1,106 @@
+#include <SdFat.h> // SDFat - Adafruit Fork
+#include <Adafruit_TinyUSB.h>
+#include <PicoDVI.h>
+#include "../../console.h"
+#include "../../arduino_hooks.h"
+
+#undef USE_DISPLAY
+#define USE_DISPLAY (1)
+
+#if USE_DISPLAY
+DVItext1 display(DVI_RES_800x240p60, adafruit_feather_dvi_cfg);
+#endif
+#define SPI_CLOCK (20'000'000)
+#define SD_CS_PIN (10)
+#define SD_CONFIG SdSpiConfig(SD_CS_PIN, DEDICATED_SPI, SPI_CLOCK)
+DedicatedSpiCard blockdevice;
+FatFileSystem SD;     // Filesystem object from SdFat
+Adafruit_USBD_MSC usb_msc; // USB mass storage object
+
+// =========================================================================================
+// Define Board-Data
+// GP25 green onboard LED
+// =========================================================================================
+#define LED (13)
+#define LEDinv (false)
+#define board_pico
+#define board_analog_io
+#define board_digital_io
+
+// FUNCTIONS REQUIRED FOR USB MASS STORAGE ---------------------------------
+
+static bool msc_changed = true; // Is set true on filesystem changes
+
+// Callback on READ10 command.
+int32_t msc_read_cb(uint32_t lba, void *buffer, uint32_t bufsize) {
+  return blockdevice.readBlocks(lba, (uint8_t *)buffer, bufsize / 512) ? bufsize : -1;
+}
+
+// Callback on WRITE10 command.
+int32_t msc_write_cb(uint32_t lba, uint8_t *buffer, uint32_t bufsize) {
+  digitalWrite(LED_BUILTIN, HIGH);
+  return blockdevice.writeBlocks(lba, buffer, bufsize / 512) ? bufsize : -1;
+}
+
+// Callback on WRITE10 completion.
+void msc_flush_cb(void) {
+  blockdevice.syncBlocks();   // Sync with blockdevice
+  SD.cacheClear(); // Clear filesystem cache to force refresh
+  digitalWrite(LED_BUILTIN, LOW);
+  msc_changed = true;
+}
+
+void _puthex32(uint32_t x) {
+    _puthex16(x >> 16);
+    _puthex16(x & 0xffff);
+}
+
+#if USE_DISPLAY
+uint16_t underCursor = ' ';
+
+void putch_display(uint8_t ch) {
+    auto x = display.getCursorX();
+    auto y = display.getCursorY();
+    display.drawPixel(x, y, underCursor);
+    if(ch == 8) {
+        if(x > 0) {
+            display.setCursor(--x, y);
+            display.drawPixel(x, y, ' ');
+        }
+    } else {
+        display.write(ch);
+    }
+    x = display.getCursorX();
+    y = display.getCursorY();
+    underCursor = display.getPixel(x, y);
+    display.drawPixel(x, y, 0xDB);
+}
+#endif
+
+bool port_init_early() {
+#if USE_DISPLAY
+  // vreg_set_voltage(VREG_VOLTAGE_1_30);
+  if (!display.begin()) { return false; }
+  _putch_hook = putch_display;
+#endif
+  // USB mass storage / filesystem setup (do BEFORE Serial init)
+  if (!blockdevice.begin(SD_CONFIG)) { _puts("!blockdevice.begin()"); return false; }
+  // Set disk vendor id, product id and revision
+  usb_msc.setID("Adafruit", "Internal Flash", "1.0");
+  // Set disk size, block size is 512 regardless of blockdevice page size
+  usb_msc.setCapacity(blockdevice.sectorCount(), 512);
+  usb_msc.setReadWriteCallback(msc_read_cb, msc_write_cb, msc_flush_cb);
+  usb_msc.setUnitReady(true); // MSC is ready for read/write
+  if (!usb_msc.begin()) {
+      _puts("!usb_msc.begin()"); return false;
+  }
+  return true;
+}
+
+bool port_flash_begin() {
+  if (!SD.begin(&blockdevice, true, 1)) { // Start filesystem on the blockdevice
+      _puts("!SD.begin()"); return false;
+  }
+  return true;
+}
+

hardware/pico/pico_internalflash.h

@@ -1,13 +1,17 @@
-// =========================================================================================
-// Define SdFat as alias for SD
-// =========================================================================================
-#include <SdFat.h>        // One SD library to rule them all - Greinman SdFat from Library Manager
+#include <SdFat.h> // SDFat - Adafruit Fork
 #include <Adafruit_SPIFlash.h>
 #include <Adafruit_TinyUSB.h>
+#include <PicoDVI.h>
 #include "../../console.h"
+#include "../../arduino_hooks.h"
 
-Adafruit_FlashTransport_RP2040 flashTransport;
-Adafruit_SPIFlash flash(&flashTransport);
+#undef USE_DISPLAY
+#define USE_DISPLAY (1)
+
+#if USE_DISPLAY
+DVItext1 display(DVI_RES_800x240p30, adafruit_feather_dvi_cfg);
+#endif
+DedicatedSpiCard spisd;
 FatFileSystem SD;     // Filesystem object from SdFat
 Adafruit_USBD_MSC usb_msc; // USB mass storage object
 
@@ -15,7 +19,7 @@ Adafruit_USBD_MSC usb_msc; // USB mass storage object
 // Define Board-Data
 // GP25 green onboard LED
 // =========================================================================================
-#define LED 25  // GPIO25
+#define LED 13  // GPIO13
 #define LEDinv 0
 #define board_pico
 #define board_analog_io
@@ -50,42 +54,59 @@ void _puthex32(uint32_t x) {
     _puthex16(x & 0xffff);
 }
 
+#if USE_DISPLAY
+uint16_t underCursor = ' ';
+
+void putch_display(uint8_t ch) {
+    auto x = display.getCursorX();
+    auto y = display.getCursorY();
+    display.drawPixel(x, y, underCursor);
+    if(ch == 8) {
+        if(x > 0) {
+            display.setCursor(--x, y);
+            display.drawPixel(x, y, ' ');
+        }
+    } else {
+        display.write(ch);
+    }
+    x = display.getCursorX();
+    y = display.getCursorY();
+    underCursor = display.getPixel(x, y);
+    display.drawPixel(x, y, 0xDB);
+}
+#endif
+
 bool port_init_early() {
-  _puts("port_init_early()");
-  _puts("X");
+#if USE_DISPLAY
+  // vreg_set_voltage(VREG_VOLTAGE_1_30);
+  if (!display.begin()) { return false; }
+  _putch_hook = putch_display;
+#endif
   // USB mass storage / filesystem setup (do BEFORE Serial init)
   if (!flash.begin()) { _puts("!flash_begin()"); return false; }
-  _puts("Y");
   // Set disk vendor id, product id and revision
   usb_msc.setID("Adafruit", "Internal Flash", "1.0");
-  _puts("Z");
   // Set disk size, block size is 512 regardless of spi flash page size
   _puthex32(flash.pageSize());
-  _putcon(' ');
+  _putcon('x');
   _puthex32(flash.numPages());
 
   usb_msc.setCapacity(flash.pageSize() * flash.numPages() / 512, 512);
-  _puts("A");
   usb_msc.setReadWriteCallback(msc_read_cb, msc_write_cb, msc_flush_cb);
-  _puts("B");
   usb_msc.setUnitReady(true); // MSC is ready for read/write
-  _puts("C");
   if (!usb_msc.begin()) {
       _puts("!usb_msc.begin()"); return false;
-  } else {
-      _puts("usb_msc.begin() OK");
   }
-  _puts("D");
   return true;
 }
 
 bool port_flash_begin() {
-  _puts("port_flash_begin()");
-  if (!SD.begin(&flash)) { // Start filesystem on the flash
+  if (!spisd.begin(&spiconfig)) {
+      _puts("!spisd.begin()"); return false;
+  }
+  if (!SD.begin(&spisd)) { // Start filesystem on the flash
       _puts("!SD.begin()"); return false;
   }
-  _puts("E");
-  _puts("port_flash_begin success");
   return true;
 }
 

runcpm-pico.ino

@@ -1,16 +1,3 @@
-/*
-  SD card connection
-
-  This example shows how to read and write data to and from an SD card file
-  The circuit:
-   SD card attached to SPI bus as follows:
-   // Arduino-pico core
-   ** MISO - Pin 21 - GPIO 16
-   ** MOSI - Pin 25 - GPIO 19
-   ** CS   - Pin 22 - GPIO 17
-   ** SCK  - Pin 24 - GPIO 18
-*/
-
 // only AVR and ARM CPU
 // #include <MemoryFree.h>
 
@@ -27,14 +14,22 @@
 #include <Adafruit_SPIFlash.h>
 #include <Adafruit_TinyUSB.h>
 
+#define TEXT_BOLD "\033[1m"
+#define TEXT_NORMAL "\033[0m"
+
 // =========================================================================================
 // Board definitions go into the "hardware" folder, if you use a board different than the
 // Arduino DUE, choose/change a file from there and reference that file here
 // =========================================================================================
 
 // Raspberry Pi Pico - normal (LED = GPIO25)
-#include "hardware/pico/pico_internalflash.h"
+#include "hardware/pico/feather_dvi.h"
 
+#ifndef BOARD_TEXT
+#define BOARD_TEXT USB_MANUFACTURER " " USB_PRODUCT
+#endif
+
+#include "abstraction_arduino.h"
 // Raspberry Pi Pico W(iFi)   (LED = GPIO32)
 // #include "hardware/pico/pico_w_sd_spi.h"
 
@@ -44,7 +39,6 @@
 #define sDELAY 100
 #define DELAY 1200
 
-#include "abstraction_arduino.h"
 
 // =========================================================================================
 // Serial port speed
@@ -79,7 +73,7 @@ int lst_open = FALSE;
 
 void setup(void) {
   pinMode(LED, OUTPUT);
-  digitalWrite(LED, LOW);
+  digitalWrite(LED, LOW^LEDinv);
 
 
 // =========================================================================================
@@ -102,8 +96,9 @@ void setup(void) {
 //   Serial2.setTX(20); // Pin 26
 // =========================================================================================
 
-  port_init_early();
+  if (!port_init_early()) { return; }
 
+#if defined(WAIT_SERIAL)
   // _clrscr();
   // _puts("Opening serial-port...\r\n");  
   Serial.begin(SERIALSPD);
@@ -113,7 +108,7 @@ void setup(void) {
     digitalWrite(LED, LOW^LEDinv);
     delay(DELAY);
   }
-
+#endif
 
 #ifdef DEBUGLOG
   _sys_deletefile((uint8 *)LogName);
@@ -127,49 +122,44 @@ void setup(void) {
   _clrscr();
 
   // if (bootup_press == 1)
-  //   { _puts("Recognized \e[1m#\e[0m key as pressed! :)\r\n\r\n");
+  //   { _puts("Recognized " TEXT_BOLD "#" TEXT_NORMAL " key as pressed! :)\r\n\r\n");
   //   }
   
-  _puts("CP/M Emulator \e[1mv" VERSION "\e[0m   by   \e[1mMarcelo  Dantas\e[0m\r\n");
+  _puts("CP/M Emulator " TEXT_BOLD "v" VERSION "" TEXT_NORMAL "   by   " TEXT_BOLD "Marcelo  Dantas\e[0m\r\n");
   _puts("----------------------------------------------\r\n");  
-  _puts("     running    on   Raspberry Pi [\e[1m Pico \e[0m]\r\n");
+  _puts("    running on [" TEXT_BOLD BOARD_TEXT TEXT_NORMAL "]\r\n");
   _puts("----------------------------------------------\r\n");
-  _puts("\e[0m]\r\n");
 
-	_puts("BIOS              at [\e[1m0x");
+	_puts("BIOS              at [" TEXT_BOLD "0x");
 	_puthex16(BIOSjmppage);
 //	_puts(" - ");
-	_puts("\e[0m]\r\n");
+	_puts("" TEXT_NORMAL "]\r\n");
 
-	_puts("BDOS              at [\e[1m0x");
+	_puts("BDOS              at [" TEXT_BOLD "0x");
 	_puthex16(BDOSjmppage);
-	_puts("\e[0m]\r\n");
+	_puts("" TEXT_NORMAL "]\r\n");
 
-	_puts("CCP " CCPname " at [\e[1m0x");
+	_puts("CCP " CCPname " at [" TEXT_BOLD "0x");
 	_puthex16(CCPaddr);
-	_puts("\e[0m]\r\n");
+	_puts("" TEXT_NORMAL "]\r\n");
 
   #if BANKS > 1
-	_puts("Banked Memory        [\e[1m");
+	_puts("Banked Memory        [" TEXT_BOLD "");
 	_puthex8(BANKS);
-    _puts("\e[0m]banks\r\n");
-  #else
-	_puts("Banked Memory        [\e[1m");
-	_puthex8(BANKS);
-	_puts("\e[0m]bank\r\n");
+    _puts("" TEXT_NORMAL "]banks\r\n");
   #endif
 
-   // Serial.printf("Free Memory          [\e[1m%d bytes\e[0m]\r\n", freeMemory());
+   // Serial.printf("Free Memory          [" TEXT_BOLD "%d bytes" TEXT_NORMAL "]\r\n", freeMemory());
 
-  _puts("CPU-Clock            [\e[1m250Mhz\e[0m]\r\n");
+  _puts("CPU-Clock            [" TEXT_BOLD);
+  _putdec((clock_get_hz( clk_sys ) + 500'000) / 1'000'000);
+  _puts(TEXT_NORMAL "] MHz\r\n");
 
-
-  _puts("Init Storage         [ \e[1m");
+  _puts("Init Storage         [ " TEXT_BOLD "");
   if (port_flash_begin()) {
-    _puts("OK \e[0m]\r\n");
+    _puts("OK " TEXT_NORMAL "]\r\n");
     _puts("----------------------------------------------");
 
-                        
     if (VersionCCP >= 0x10 || SD.exists(CCPname)) {
       while (true) {
         _puts(CCPHEAD);
@@ -202,7 +192,7 @@ void setup(void) {
       _puts("Unable to load CP/M CCP.\r\nCPU halted.\r\n");
     }
   } else {
-    _puts("ERR \e[0m]\r\nUnable to initialize SD card.\r\nCPU halted.\r\n");
+    _puts("ERR " TEXT_NORMAL "]\r\nUnable to initialize SD card.\r\nCPU halted.\r\n");
   }
 }