fix(swan_r5): 3v3 was enabled but then immediately reset. Moved initialization to reset_board which happens after reset_all_pins.

Author: m-mcgowan

ports/stm/boards/swan_r5/board.c

@@ -59,8 +59,6 @@ void board_init(void) {
     //  Without this, USB does not function.
     HAL_InitTick((1UL << __NVIC_PRIO_BITS) - 1UL);
 
-    initialize_discharge_pin();
-
     __HAL_RCC_GPIOE_CLK_ENABLE();
     GPIO_InitTypeDef GPIO_InitStruct;
     GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
@@ -78,6 +76,7 @@ bool board_requests_safe_mode(void) {
 }
 
 void reset_board(void) {
+    initialize_discharge_pin();
 }
 
 void board_deinit(void) {

ports/stm/boards/swan_r5/mpconfigboard.h

@@ -64,3 +64,6 @@
 
 #define DEFAULT_UART_BUS_RX (&pin_PA10)
 #define DEFAULT_UART_BUS_TX (&pin_PA09)
+
+#define SWAN_R5_DISCHARGE_3V3 (&pin_PE06)
+#define SWAN_R5_ENABLE_3V3 (&pin_PE04)

ports/stm/boards/swan_r5/pins.c

@@ -86,8 +86,8 @@ STATIC const mp_rom_map_elem_t board_module_globals_table[] = {
 
     { MP_ROM_QSTR(MP_QSTR_ext), MP_ROM_PTR(&carrier_type) },
 
-    { MP_ROM_QSTR(MP_QSTR_ENABLE_3V3), MP_ROM_PTR(&pin_PE04) },
-    { MP_ROM_QSTR(MP_QSTR_DISCHARGE_3V3), MP_ROM_PTR(&pin_PE06) },
+    { MP_ROM_QSTR(MP_QSTR_ENABLE_3V3), MP_ROM_PTR(SWAN_R5_ENABLE_3V3) },
+    { MP_ROM_QSTR(MP_QSTR_DISCHARGE_3V3), MP_ROM_PTR(SWAN_R5_DISCHARGE_3V3) },
     { MP_ROM_QSTR(MP_QSTR_DISABLE_DISCHARGING), MP_ROM_TRUE },
     { MP_ROM_QSTR(MP_QSTR_ENABLE_DISCHARGING), MP_ROM_FALSE },