diff options
Diffstat (limited to 'driver/accelgyro_bmi160.h')
| -rw-r--r-- | driver/accelgyro_bmi160.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/driver/accelgyro_bmi160.h b/driver/accelgyro_bmi160.h index 4101b1f07e..4740c9a23e 100644 --- a/driver/accelgyro_bmi160.h +++ b/driver/accelgyro_bmi160.h @@ -11,6 +11,23 @@ #include "accelgyro.h" #include "mag_bmm150.h" +/* + * The addr field of motion_sensor support both SPI and I2C: + * + * +-------------------------------+---+ + * | 7 bit i2c address | 0 | + * +-------------------------------+---+ + * Or + * +-------------------------------+---+ + * | SPI device ID | 1 | + * +-------------------------------+---+ + */ +#define BMI160_SET_SPI_ADDRESS(_addr) (((_addr) << 1) | 1) +#define BMI160_IS_SPI(_addr) ((_addr) & 1) +#define BMI160_SPI_ADDRESS(_addr) ((_addr) >> 1) +#define BMI160_I2C_ADDRESS(_addr) (_addr) + +/* I2C addresses */ #define BMI160_ADDR0 0xd0 #define BMI160_ADDR1 0xd2 |