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