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pull/8026/head
Steven 2018-09-22 20:40:32 +02:00
parent 7711d4c93b
commit 0f879adccd
1 changed files with 7 additions and 7 deletions
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14
targets/TARGET_Silicon_Labs/TARGET_EFM32/crc_api.c
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@ -113,7 +113,7 @@ void hal_crc_compute_partial(const uint8_t *data, const size_t size)
return;
}
if (!enableWordInput || size < 4) {
if (!enableWordInput || size < sizeof(uint32_t)) {
// Input to a non-word-sized poly, or too small data size for a word input
for (size_t i = 0; i < size; i++) {
GPCRC_InputU8(GPCRC, data[i]);
@ -122,21 +122,21 @@ void hal_crc_compute_partial(const uint8_t *data, const size_t size)
size_t i = 0;
// If input is unaligned, take off as many bytes as needed to align
if (((uint32_t)data & 0x3) != 0) {
for (; i < (sizeof(uint32_t) - ((uint32_t)data & 0x3)); i++) {
GPCRC_InputU8(GPCRC, data[i]);
}
while (((uint32_t)(data + i) & 0x3) != 0) {
GPCRC_InputU8(GPCRC, data[i]);
i++;
}
// If enough input remaining to do word-sized writes, do so
while ((size - i) >= sizeof(uint32_t)) {
GPCRC_InputU32(GPCRC, *((uint32_t*)(&data[i])));
i += 4;
i += sizeof(uint32_t);
}
// Do byte input to pick off the last remaining bytes
for (; i < size; i++) {
while (i < size) {
GPCRC_InputU8(GPCRC, data[i]);
i++;
}
}
}