26 lines
410 B
C
26 lines
410 B
C
#include <error-mem-viewer/crc.h>
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static uint32_t do_crc(uint32_t init, uint32_t data)
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{
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uint32_t crc = init;
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uint32_t cnt;
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for (cnt=0; cnt < 32; cnt++) {
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crc = ((int32_t)(crc ^ data))<0 ? (crc << 1) ^ 0x04C11DB7 : crc << 1;
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data <<=1;
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}
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return crc;
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}
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uint32_t calculate_stm_crc(uint32_t *data, size_t len)
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{
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uint32_t crc = ~0U;
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while (len--) {
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crc = do_crc(crc, *data++);
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}
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return crc;
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}
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