Fix compiler warnings

1 files changed, 3 insertions, 0 deletions

diff --git a/i2c.c b/i2c.c
index 3e4bffb..84479a1 100644
--- a/i2c.c
+++ b/i2c.c
@@ -30,9 +30,12 @@ static void twFlushContRaw () {
 	TWCR = (TWCR & ~((1 << TWSTA) | (1 << TWSTO))) | (1 << TWIE) | (1 << TWINT) | (1 << TWEN) | (1 << TWEA);
 }
 
+#if 0
+/* unused */
 static void twWaitRaw () {
 	while (!(TWCR & (1 << TWINT)));
 }
+#endif
 
 static bool twWriteRaw (const uint8_t data) {
 	TWDR = data;