uint16_t crc16_compute(uint8_t const * p_data, uint32_t size, uint16_t const
* p_crc)
{
uint16_t crc = (p_crc == NULL) ? 0xFFFF : *p_crc;
for (uint32_t i = 0; i < size; i++)
{
crc = (uint8_t)(crc >> 8) | (crc << 8);
crc ^= p_data[i];
crc ^= (uint8_t)(crc & 0xFF) >> 4;
crc ^= (crc << 8) << 4;
crc ^= ((crc & 0xFF) << 4) << 1;
}
return crc;
}