Pin fixes for the Camera board (espressif#9021)

* update pins * re-fix pinout that was reverted * more pins * Update esp32-hal-tinyusb.c --------- Co-authored-by: Ha Thach <thach@tinyusb.org>

Author: ladyada

variants/adafruit_camera_esp32s3/bootloader-tinyuf2.bin

@@ -24,18 +24,18 @@ 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;
 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/pins_arduino.h

@@ -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_camera_esp32s3/tinyuf2.bin

@@ -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_camera_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);
 }