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-rw-r--r--src/modbus.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/modbus.c b/src/modbus.c
index 4bacdaf..3fae070 100644
--- a/src/modbus.c
+++ b/src/modbus.c
@@ -13,7 +13,7 @@
@param uint8_t a (0x00..0xFF)
@return calculated CRC (0x0000..0xFFFF)
*/
-uint16_t crc16_update(uint16_t crc, uint8_t a)
+static uint16_t crc16_update(uint16_t crc, uint8_t a)
{
int i;
crc ^= a;