diff options
Diffstat (limited to 'tools/firmware-utils/src/spw303v.c')
| -rw-r--r-- | tools/firmware-utils/src/spw303v.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/firmware-utils/src/spw303v.c b/tools/firmware-utils/src/spw303v.c index 9638b80a8a..980f41ded6 100644 --- a/tools/firmware-utils/src/spw303v.c +++ b/tools/firmware-utils/src/spw303v.c @@ -117,10 +117,12 @@ static char fake_data[] = { }; -uint32_t crc32(uint32_t crc, uint8_t *data, size_t len) +uint32_t crc32(uint32_t crc, const void *data, size_t len) { + const uint8_t *in = data; + while (len--) - crc = (crc >> 8) ^ crc32tab[(crc ^ *data++) & 0xFF]; + crc = (crc >> 8) ^ crc32tab[(crc ^ *in++) & 0xFF]; return crc; } |