diff options
Diffstat (limited to 'bsp/apollo2/board/smbus.c')
| -rw-r--r-- | bsp/apollo2/board/smbus.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/bsp/apollo2/board/smbus.c b/bsp/apollo2/board/smbus.c index ef47947e4a..7437b68ffa 100644 --- a/bsp/apollo2/board/smbus.c +++ b/bsp/apollo2/board/smbus.c @@ -28,8 +28,8 @@ #define mSDA_OUT() am_hal_gpio_pin_config(SMBUS_GPIO_SDA, AM_HAL_GPIO_OUTPUT) /* Set SDA as Output */ #define mSCL_OUT() am_hal_gpio_pin_config(SMBUS_GPIO_SCL, AM_HAL_GPIO_OUTPUT) /* Set SCL as Output */ -#define ACK 0 -#define NACK 1 +#define ACK 0 +#define NACK 1 /* SCL keep time */ static void keep_delay(void) @@ -46,7 +46,7 @@ static void few_delay(void) } static rt_uint8_t am_smbus_send_bit(rt_uint8_t send_bit) -{ +{ mSDA_OUT(); few_delay(); @@ -114,7 +114,7 @@ static void am_smbus_stop_bit(void) static rt_uint8_t am_smbus_tx_byte(rt_uint8_t tx_byte) { - int i; + int i; rt_uint8_t ack_bit; rt_uint8_t bit_out; @@ -162,7 +162,7 @@ rt_uint8_t am_smbus_tx_then_tx(rt_uint8_t SlaveAddress, rt_uint8_t command, rt_u int i; am_smbus_start_bit(); /* Start condition */ - + if(am_smbus_tx_byte(SlaveAddress)) /* Send SlaveAddress and write */ return 1; |