60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
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/* Reflow Oven Controller
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*
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* Copyright (C) 2020 Mario Hüttel <mario.huettel@gmx.net>
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*
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* This file is part of the Reflow Oven Controller Project.
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*
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* The reflow oven controller is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* GDSII-Converter 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 the reflow oven controller project.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stm-periph/crc-unit.h>
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#include <stm-periph/clock-enable-manager.h>
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#include <stm32/stm32f4xx.h>
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void crc_unit_init(void)
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{
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rcc_manager_enable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(RCC_AHB1ENR_CRCEN));
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crc_unit_reset();
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}
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void crc_unit_deinit(void)
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{
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rcc_manager_disable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(RCC_AHB1ENR_CRCEN));
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}
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void crc_unit_reset(void)
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{
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CRC->CR = CRC_CR_RESET;
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}
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uint32_t crc_unit_get_crc(void)
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{
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return CRC->DR;
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}
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void crc_unit_input(uint32_t data)
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{
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CRC->DR = data;
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}
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void crc_unit_input_array(const uint32_t *data, uint32_t len)
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{
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uint32_t i;
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if (!data)
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return;
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for (i = 0; i < len; i++)
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crc_unit_input(data[i]);
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}
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