update to rev D

ladyada · Oct 27, 2023 · c2df41b · c2df41b
1 parent 4ecc51e
commit c2df41b
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Showing 2 changed files with 5 additions and 63 deletions.
diff --git a/ports/espressif/boards/adafruit_esp32s3_camera/board.c b/ports/espressif/boards/adafruit_esp32s3_camera/board.c
@@ -52,69 +52,8 @@ uint8_t display_init_sequence[] = {
     0x29, 0 | DELAY, 5,                // _DISPON
 };
 
-#define I2C_MASTER_SCL_IO           34
-#define I2C_MASTER_SDA_IO           33
-#define I2C_MASTER_NUM              0
-#define I2C_MASTER_FREQ_HZ          400000
-#define I2C_MASTER_TX_BUF_DISABLE   0
-#define I2C_MASTER_RX_BUF_DISABLE   0
-#define I2C_MASTER_TIMEOUT_MS       1000
-#define I2C_WAIT                    40      // Timing (in microseconds) for I2C
-
-#define AW9523_ADDR (0x5B)
-#define AW9523_REG_SOFTRESET (0x7f)
-#define AW9523_REG_OUTPUT0 (0x02)
-#define AW9523_REG_CONFIG0 (0x04)
-#define AW9523_DEFAULT_OUTPUT (0)
-#define AW9523_DEFAULT_CONFIG (0x2)
-
-
-static void io_expander_backlight_init(void) {
-    int i2c_num = I2C_MASTER_NUM;
-    i2c_config_t conf = {
-        .mode = I2C_MODE_MASTER,
-        .sda_io_num = I2C_MASTER_SDA_IO,
-        .scl_io_num = I2C_MASTER_SCL_IO,
-        .sda_pullup_en = GPIO_PULLUP_ENABLE,
-        .scl_pullup_en = GPIO_PULLUP_ENABLE,
-        .master.clk_speed = I2C_MASTER_FREQ_HZ,
-    };
-    i2c_param_config(i2c_num, &conf);
-    i2c_driver_install(i2c_num, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);
-    i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-    i2c_master_start(cmd);
-    i2c_master_write_byte(cmd, AW9523_ADDR << 1 | I2C_MASTER_WRITE, true);
-    i2c_master_write_byte(cmd, AW9523_REG_SOFTRESET, true);
-    i2c_master_write_byte(cmd, 0, true);
-    i2c_master_stop(cmd);
-    i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_PERIOD_MS);
-    i2c_cmd_link_delete(cmd);
-
-    cmd = i2c_cmd_link_create();
-    i2c_master_start(cmd);
-    i2c_master_write_byte(cmd, AW9523_ADDR << 1 | I2C_MASTER_WRITE, true);
-    i2c_master_write_byte(cmd, AW9523_REG_CONFIG0, true);
-    i2c_master_write_byte(cmd, AW9523_DEFAULT_CONFIG >> 8, true);
-    i2c_master_write_byte(cmd, AW9523_DEFAULT_CONFIG & 0xff, true);
-    i2c_master_stop(cmd);
-    i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_PERIOD_MS);
-    i2c_cmd_link_delete(cmd);
-
-    cmd = i2c_cmd_link_create();
-    i2c_master_start(cmd);
-    i2c_master_write_byte(cmd, AW9523_ADDR << 1 | I2C_MASTER_WRITE, true);
-    i2c_master_write_byte(cmd, AW9523_REG_OUTPUT0, true);
-    i2c_master_write_byte(cmd, AW9523_DEFAULT_OUTPUT >> 8, true);
-    i2c_master_write_byte(cmd, AW9523_DEFAULT_OUTPUT & 0xff, true);
-    i2c_master_stop(cmd);
-    i2c_master_cmd_begin(i2c_num, cmd, 1000 / portTICK_PERIOD_MS);
-    i2c_cmd_link_delete(cmd);
-
-    i2c_driver_delete(i2c_num);
-}
 
 void board_init(void) {
-    io_expander_backlight_init();
     busio_spi_obj_t *spi = common_hal_board_create_spi(0);
     fourwire_fourwire_obj_t *bus = &allocate_display_bus()->fourwire_bus;
     bus->base.type = &fourwire_fourwire_type;
@@ -148,7 +87,7 @@ void board_init(void) {
         MIPI_COMMAND_WRITE_MEMORY_START, // Write memory command
         display_init_sequence,
         sizeof(display_init_sequence),
-        NULL,  // backlight pin
+        45,  // backlight pin
         NO_BRIGHTNESS_COMMAND,
         1.0f, // brightness
         false, // single_byte_bounds

diff --git a/ports/espressif/boards/adafruit_esp32s3_camera/pins.c b/ports/espressif/boards/adafruit_esp32s3_camera/pins.c
@@ -27,14 +27,15 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_TFT_RESET), MP_ROM_PTR(&pin_GPIO38) },
     { MP_ROM_QSTR(MP_QSTR_TFT_CS), MP_ROM_PTR(&pin_GPIO39) },
     { MP_ROM_QSTR(MP_QSTR_TFT_DC), MP_ROM_PTR(&pin_GPIO40) },
+    { MP_ROM_QSTR(MP_QSTR_TFT_BACKLIGHT), MP_ROM_PTR(&pin_GPIO45) },
 
     { MP_ROM_QSTR(MP_QSTR_CARD_CS), MP_ROM_PTR(&pin_GPIO48) },
 
     { MP_ROM_QSTR(MP_QSTR_IRQ), MP_ROM_PTR(&pin_GPIO3) },
 
     { MP_ROM_QSTR(MP_QSTR_NEOPIXEL), MP_ROM_PTR(&pin_GPIO1) },
 
-    { MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO41) },
+    { MP_ROM_QSTR(MP_QSTR_SPEAKER), MP_ROM_PTR(&pin_GPIO46) },
 
     { MP_ROM_QSTR(MP_QSTR_BUTTON), MP_ROM_PTR(&pin_GPIO0) },
 
@@ -60,6 +61,8 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA5), MP_ROM_PTR(&pin_GPIO14) },
     { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA3), MP_ROM_PTR(&pin_GPIO15) },
     { MP_ROM_QSTR(MP_QSTR_CAMERA_DATA4), MP_ROM_PTR(&pin_GPIO16) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_RESET), MP_ROM_PTR(&pin_GPIO47) },
+    { MP_ROM_QSTR(MP_QSTR_CAMERA_PWDN), MP_ROM_PTR(&pin_GPIO21) },
 
     { MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&board_i2c_obj) },
     { MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj) },