Pin fixes for the Camera board (#9021)

* update pins

* re-fix pinout that was reverted

* more pins

* Update esp32-hal-tinyusb.c

---------

Co-authored-by: Ha Thach <thach@tinyusb.org>

variants/adafruit_camera_esp32s3/pins_arduino.h

@@ -24,7 +24,7 @@ static const uint8_t LED_BUILTIN = PIN_NEOPIXEL+SOC_GPIO_PIN_COUNT;
 #define RGB_BRIGHTNESS 64
 
 
-//static const uint8_t TFT_BACKLIGHT = 41;
+static const uint8_t TFT_BACKLIGHT = 45;
 static const uint8_t TFT_DC        = 40;
 static const uint8_t TFT_CS        = 39;
 static const uint8_t TFT_RESET     = 38;
@@ -32,10 +32,10 @@ static const uint8_t TFT_RST       = 38;
 
 static const uint8_t SD_CS          = 48;
 static const uint8_t SD_CHIP_SELECT = 48;
-static const uint8_t SPEAKER        = 41;
+static const uint8_t SPEAKER        = 46;
 
-static const uint8_t SDA = 33;
-static const uint8_t SCL = 34;
+static const uint8_t SCL = 33;
+static const uint8_t SDA = 34;
 
 static const uint8_t SS    = 48;
 static const uint8_t MOSI  = 35;
@@ -55,19 +55,16 @@ static const uint8_t DAC2 = 18;
 
 #define AWEXP_SPKR_SD 0
 #define AWEXP_BUTTON_SEL 1
-#define AWEXP_BACKLIGHT 2
-#define AWEXP_CAM_PWDN 7
 #define AWEXP_SD_DET 8
 #define AWEXP_SD_PWR 9
-#define AWEXP_CAM_RST 10
 #define AWEXP_BUTTON_OK 11
 #define AWEXP_BUTTON_RIGHT 12
 #define AWEXP_BUTTON_UP 13
 #define AWEXP_BUTTON_LEFT 14
 #define AWEXP_BUTTON_DOWN 15
 
-#define PWDN_GPIO_NUM     -1 // connected through expander
-#define RESET_GPIO_NUM    -1 // connected through expander
+#define RESET_GPIO_NUM    47
+#define PWDN_GPIO_NUM     21
 #define XCLK_GPIO_NUM      8
 #define SIOD_GPIO_NUM     SDA
 #define SIOC_GPIO_NUM     SCL

variants/adafruit_camera_esp32s3/variant.cpp

@@ -31,6 +31,15 @@ extern "C" {
 // Initialize variant/board, called before setup()
 void initVariant(void)
 {
-
+  pinMode(TFT_BACKLIGHT, OUTPUT);
+  digitalWrite(TFT_BACKLIGHT, LOW);
+  pinMode(SD_CS, OUTPUT);
+  digitalWrite(SD_CS, HIGH);
+  pinMode(TFT_CS, OUTPUT);
+  digitalWrite(TFT_CS, HIGH);
+  pinMode(TFT_RESET, OUTPUT);
+  digitalWrite(TFT_RESET, LOW);
+  delay(1);
+  digitalWrite(TFT_RESET, HIGH);
 }
 }

variants/adafruit_metro_esp32s3/pins_arduino.h

@@ -14,7 +14,7 @@
 #define BUILTIN_LED  LED_BUILTIN // backward compatibility
 
 // Neopixel
-#define PIN_NEOPIXEL    45
+#define PIN_NEOPIXEL    46
 // RGB_BUILTIN and RGB_BRIGHTNESS can be used in new Arduino API neopixelWrite() and digitalWrite() for blinking
 #define RGB_BUILTIN (PIN_NEOPIXEL+SOC_GPIO_PIN_COUNT)
 #define RGB_BRIGHTNESS 64

variants/adafruit_metro_esp32s3/variant.cpp

@@ -30,7 +30,8 @@ extern "C" {
 
 // Initialize variant/board, called before setup()
 void initVariant(void) {
-  // default SD_CS to input pullup
+  // default SD_CS to input pullup (we cannot have built in pullup since its
+  // a strapping pin!)
   pinMode(SS, INPUT_PULLUP);
 }