From e02d221c867612708b666b557ddf561db0fb611a Mon Sep 17 00:00:00 2001 From: baldengineer Date: Mon, 9 Jun 2025 10:53:55 -0500 Subject: [PATCH] change to GPIO36 to enable OLED and I2C correctly --- .../espressif/boards/heltec_esp32s3_wifi_lora_v3/board.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/ports/espressif/boards/heltec_esp32s3_wifi_lora_v3/board.c b/ports/espressif/boards/heltec_esp32s3_wifi_lora_v3/board.c index 317fb0d88a1f0..d0ae146504234 100644 --- a/ports/espressif/boards/heltec_esp32s3_wifi_lora_v3/board.c +++ b/ports/espressif/boards/heltec_esp32s3_wifi_lora_v3/board.c @@ -34,10 +34,10 @@ uint8_t display_init_sequence[] = { // SSD1306 digitalio_digitalinout_obj_t display_on; static void display_init(void) { - // Need to bring GPIO21 high or the screen doesn't get power + // Need to bring GPIO36 high or the screen doesn't get power // & the board can't see the i2c bus at all. - common_hal_digitalio_digitalinout_construct(&display_on, &pin_GPIO21); - common_hal_digitalio_digitalinout_switch_to_output(&display_on, true, DRIVE_MODE_PUSH_PULL); + common_hal_digitalio_digitalinout_construct(&display_on, &pin_GPIO36); + common_hal_digitalio_digitalinout_switch_to_output(&display_on, false, DRIVE_MODE_PUSH_PULL); common_hal_digitalio_digitalinout_never_reset(&display_on); busio_i2c_obj_t *i2c = common_hal_board_create_i2c(0); @@ -48,7 +48,7 @@ static void display_init(void) { bus, i2c, 0x3c, - NULL + &pin_GPIO21 // broken-out on V3 ); busdisplay_busdisplay_obj_t *display = &allocate_display()->display; pFad - Phonifier reborn

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