diff options
Diffstat (limited to 'platforms/avr/drivers/i2c_master.c')
| -rw-r--r-- | platforms/avr/drivers/i2c_master.c | 7 | 
1 files changed, 5 insertions, 2 deletions
| diff --git a/platforms/avr/drivers/i2c_master.c b/platforms/avr/drivers/i2c_master.c index 111b55d6b0..d4024378ca 100644 --- a/platforms/avr/drivers/i2c_master.c +++ b/platforms/avr/drivers/i2c_master.c @@ -32,6 +32,9 @@  #    define I2C_START_RETRY_COUNT 20  #endif  // I2C_START_RETRY_COUNT +#define I2C_ACTION_READ 0x01 +#define I2C_ACTION_WRITE 0x00 +  #define TWBR_val (((F_CPU / F_SCL) - 16) / 2)  #define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) @@ -154,7 +157,7 @@ int16_t i2c_read_nack(uint16_t timeout) {  }  i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout) { -    i2c_status_t status = i2c_start(address | I2C_WRITE, timeout); +    i2c_status_t status = i2c_start(address | I2C_ACTION_WRITE, timeout);      for (uint16_t i = 0; i < length && status >= 0; i++) {          status = i2c_write(data[i], timeout); @@ -166,7 +169,7 @@ i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length,  }  i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout) { -    i2c_status_t status = i2c_start(address | I2C_READ, timeout); +    i2c_status_t status = i2c_start(address | I2C_ACTION_READ, timeout);      for (uint16_t i = 0; i < (length - 1) && status >= 0; i++) {          status = i2c_read_ack(timeout); | 
