X-Git-Url: http://git.droids-corp.org/?p=protos%2Fimu.git;a=blobdiff_plain;f=i2cm_sw.c;h=e6a6748339f1e7c8baf0f33fe0bd7b14e1929bf9;hp=8c8e238bdf33ba66f9fec5ff93d51d45510f8844;hb=c746f87e35b7986d4f04f5b9bddfb1260a981497;hpb=b33a589412b67654829a1f10e7cac743681a24f4

diff --git a/i2cm_sw.c b/i2cm_sw.c
index 8c8e238..e6a6748 100644
--- a/i2cm_sw.c
+++ b/i2cm_sw.c
@@ -112,7 +112,7 @@ void i2cm_register_event(void (*func)(i2cm_state state))
 }
 
 
-uint8_t i2cm_send_byte(uint8_t byte)
+static uint8_t i2cm_send_byte(uint8_t byte)
 {
 	uint8_t mask;
 	uint8_t err = 0;
@@ -136,9 +136,6 @@ uint8_t i2cm_send_byte(uint8_t byte)
 		I2CM_DELAY();
 		mask >>=1;
 
-		// delay needed ?
-		//I2CM_DELAY();
-
 		// clock High
 		I2C_HIGH(I2CM_SCL_PORT, I2CM_SCL_BIT);
 		I2CM_DELAY();
@@ -160,8 +157,8 @@ uint8_t i2cm_send_byte(uint8_t byte)
 	I2CM_DELAY();
 	while ( bit_is_clear(PIN(I2CM_SCL_PORT), I2CM_SCL_BIT) );// slave handshake
 
-	// receive ACK
-	if (bit_is_set(I2CM_SDA_PORT, I2CM_SDA_BIT))
+	// we should receive ACK
+	if (bit_is_set(PIN(I2CM_SDA_PORT), I2CM_SDA_BIT))
 		err = I2CM_SENT_NO_ACK;
 
 	// clock low