Merge pull request #5779 from dhalbert/feather-esp32-s2-turn-on-i2c-p…

…ower-by-default Feather ESP32-S2: turn on I2C power after reset
adafruit · Dec 24, 2021 · ab9cef7 · ab9cef7
2 parents 78637e0 + cf70a9c
commit ab9cef7
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/ports/espressif/boards/adafruit_feather_esp32s2/board.c b/ports/espressif/boards/adafruit_feather_esp32s2/board.c
@@ -27,6 +27,7 @@
 #include "supervisor/board.h"
 #include "mpconfigboard.h"
 #include "shared-bindings/microcontroller/Pin.h"
+#include "components/driver/include/driver/gpio.h"
 
 void board_init(void) {
     // USB
@@ -39,7 +40,9 @@ bool board_requests_safe_mode(void) {
 }
 
 void reset_board(void) {
-
+    // Turn on I2C power by default.
+    gpio_set_direction(7, GPIO_MODE_DEF_OUTPUT);
+    gpio_set_level(7, false);
 }
 
 void board_deinit(void) {

diff --git a/ports/espressif/boards/adafruit_feather_esp32s2/pins.c b/ports/espressif/boards/adafruit_feather_esp32s2/pins.c
@@ -14,8 +14,8 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_D5), MP_ROM_PTR(&pin_GPIO5) },
     { MP_ROM_QSTR(MP_QSTR_D6), MP_ROM_PTR(&pin_GPIO6) },
 
-    { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_GPIO7) },
     { MP_ROM_QSTR(MP_QSTR_I2C_POWER_INVERTED), MP_ROM_PTR(&pin_GPIO7) },
+    { MP_ROM_QSTR(MP_QSTR_D7), MP_ROM_PTR(&pin_GPIO7) },
 
     { MP_ROM_QSTR(MP_QSTR_A5), MP_ROM_PTR(&pin_GPIO8) },
     { MP_ROM_QSTR(MP_QSTR_D8), MP_ROM_PTR(&pin_GPIO8) },