K64F - I2c - ack flag retreive correction (logic inverted in ksdk hal)

0xc0170 · Mar 24, 2014 · b7b4a9c · b7b4a9c
1 parent 46c8752
commit b7b4a9c
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/i2c_api.c b/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_K64F/i2c_api.c
@@ -47,12 +47,10 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
 
  pinmap_pinout(sda, PinMap_I2C_SDA);
  pinmap_pinout(scl, PinMap_I2C_SCL);
-
  first_read = 1;
 }
 
 int i2c_start(i2c_t *obj) {
- volatile uint32_t n = 0;
  i2c_hal_send_start(obj->instance);
  first_read = 1;
  return 0;
@@ -92,7 +90,7 @@ static int i2c_wait_end_tx_transfer(i2c_t *obj) {
  }
 
  // check if we received the ACK or not
- return i2c_hal_get_receive_ack(obj->instance) ? 1 : 0;
+ return i2c_hal_get_receive_ack(obj->instance) ? 0 : 1;
 }
 
 // this function waits the end of a rx transfer and return the status of the transaction:
@@ -243,6 +241,7 @@ void i2c_slave_mode(i2c_t *obj, int enable_slave) {
  if (enable_slave) {
  // set slave mode
  BW_I2C_C1_MST(obj->instance, 0);
+ i2c_hal_enable_interrupt(obj->instance);
  } else {
  // set master mode
  BW_I2C_C1_MST(obj->instance, 1);