From: Olivier Matz <zer0@droids-corp.org>
Date: Thu, 26 Jun 2014 18:33:53 +0000 (+0200)
Subject: i2cm: fix ACK reception in i2cm_send_byte
X-Git-Url: http://git.droids-corp.org/?p=protos%2Fimu.git;a=commitdiff_plain;h=7ac29ab17eb2281971ba376a061312b5283e4f45;ds=sidebyside

i2cm: fix ACK reception in i2cm_send_byte
---

diff --git a/i2cm_sw.c b/i2cm_sw.c
index 8c8e238..0b17452 100644
--- a/i2cm_sw.c
+++ b/i2cm_sw.c
@@ -160,8 +160,8 @@ 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