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i2cm: fix ACK reception in i2cm_send_byte
[protos/imu.git]
/
i2cm_sw.c
diff --git
a/i2cm_sw.c
b/i2cm_sw.c
index
8c8e238
..
0b17452
100644
(file)
--- 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
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
err = I2CM_SENT_NO_ACK;
// clock low