Difference between revisions of "Code/CRC16"
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(Created page with " == CRC16 == <pre> uint16_t x_crcAddByte(uint16_t crc_val, uint8_t byte) { crc_val ^= (uint16_t) ((uint16_t) (byte) << 8U); for (uint8_t j = 0; j < 8; j++) {...") |
(No difference)
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Latest revision as of 01:38, 10 February 2023
CRC16
uint16_t x_crcAddByte(uint16_t crc_val, uint8_t byte)
{
crc_val ^= (uint16_t) ((uint16_t) (byte) << 8U);
for (uint8_t j = 0; j < 8; j++)
{
if (crc_val & 0x8000U)
{
crc_val = (uint16_t) ((uint16_t) (crc_val << 1U) ^ 0x1021U);
}
else
{
crc_val = (uint16_t) (crc_val << 1U);
}
}
return crc_val;
}