/* * This file is part of the TREZOR project, https://trezor.io/ * * Copyright (c) SatoshiLabs * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include STM32_HAL_H #include "sbu.h" void sbu_init(void) { GPIO_InitTypeDef GPIO_InitStructure; // SBU1/PA2 SBU2/PA3 GPIO_InitStructure.Pin = GPIO_PIN_2 | GPIO_PIN_3; GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStructure.Pull = GPIO_NOPULL; GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH; HAL_GPIO_Init(GPIOA, &GPIO_InitStructure); HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3, GPIO_PIN_RESET); } void sbu_set(secbool sbu1, secbool sbu2) { HAL_GPIO_WritePin(GPIOA, GPIO_PIN_2, sbu1 == sectrue ? GPIO_PIN_SET : GPIO_PIN_RESET); HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3, sbu2 == sectrue ? GPIO_PIN_SET : GPIO_PIN_RESET); }