27 lines
1.1 KiB
C
27 lines
1.1 KiB
C
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/* Includes ----------------------------------------------------------------- */
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#include "bsp\crc32.h"
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#include <crc.h>
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/* Private define ----------------------------------------------------------- */
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/* Private macro ------------------------------------------------------------ */
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/* Private typedef ---------------------------------------------------------- */
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/* Private variables -------------------------------------------------------- */
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/* Private function -------------------------------------------------------- */
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/* Exported functions ------------------------------------------------------- */
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uint32_t BSP_CRC32_Calc(uint8_t *buf, size_t len) {
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return HAL_CRC_Calculate(&hcrc, (uint32_t *)buf, len / sizeof(uint32_t));
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}
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bool BSP_CRC32_Verify(uint8_t *buf, size_t len) {
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if (len < 2) return false;
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uint32_t expected = BSP_CRC32_Calc(buf, len / sizeof(uint32_t) - 1);
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return expected == ((uint32_t *)buf)[len / sizeof(uint32_t) - 1];
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}
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bool BSP_CRC32_Append(uint8_t *buf, size_t len) {
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return HAL_CRC_Accumulate(&hcrc, (uint32_t *)buf, len / sizeof(uint32_t));
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}
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