65 lines
2.4 KiB
C
65 lines
2.4 KiB
C
|
/*
|
||
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
||
|
|
*
|
||
|
|
* The MIT License (MIT)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2017 Scott Shawcroft for Adafruit Industries
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "supervisor/board.h"
|
||
|
|
#include "mpconfigboard.h"
|
||
|
|
|
||
|
|
#include "stm32l4xx.h"
|
||
|
|
#include "stm32l4r5xx.h"
|
||
|
|
|
||
|
|
void initialize_discharge_pin(void) {
|
||
|
|
/* Initialize the 3V3 discharge to be OFF and the output power to be ON */
|
||
|
|
__HAL_RCC_GPIOE_CLK_ENABLE();
|
||
|
|
GPIO_InitTypeDef GPIO_InitStruct;
|
||
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
|
||
|
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
||
|
|
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
|
||
|
|
GPIO_InitStruct.Pin = GPIO_PIN_6;
|
||
|
|
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
|
||
|
|
HAL_GPIO_WritePin(GPIOE, GPIO_PIN_6, GPIO_PIN_SET);
|
||
|
|
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
|
||
|
|
GPIO_InitStruct.Pin = GPIO_PIN_4;
|
||
|
|
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
|
||
|
|
HAL_GPIO_WritePin(GPIOE, GPIO_PIN_4, GPIO_PIN_SET);
|
||
|
|
}
|
||
|
|
|
||
|
|
void board_init(void) {
|
||
|
|
// enable the debugger while sleeping. Todo move somewhere more central (kind of generally useful in a debug build)
|
||
|
|
SET_BIT (DBGMCU-> CR, DBGMCU_CR_DBG_SLEEP);
|
||
|
|
|
||
|
|
// Set tick interrupt priority, default HAL value is intentionally invalid
|
||
|
|
// Without this, USB does not function.
|
||
|
|
HAL_InitTick((1UL << __NVIC_PRIO_BITS) - 1UL);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool board_requests_safe_mode(void) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
void reset_board(void) {
|
||
|
|
initialize_discharge_pin();
|
||
|
|
}
|