diff options
| -rw-r--r-- | src/drivers/device/spi.cpp | 6 | ||||
| -rw-r--r-- | src/drivers/device/spi.h | 11 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/drivers/device/spi.cpp b/src/drivers/device/spi.cpp index fa6b78d64..fed6c312c 100644 --- a/src/drivers/device/spi.cpp +++ b/src/drivers/device/spi.cpp @@ -181,4 +181,10 @@ SPI::transfer(uint8_t *send, uint8_t *recv, unsigned len) return OK; } +void +SPI::set_frequency(uint32_t frequency) +{ + _frequency = frequency; +} + } // namespace device diff --git a/src/drivers/device/spi.h b/src/drivers/device/spi.h index 9103dca2e..299575dc5 100644 --- a/src/drivers/device/spi.h +++ b/src/drivers/device/spi.h @@ -102,6 +102,17 @@ protected: int transfer(uint8_t *send, uint8_t *recv, unsigned len); /** + * Set the SPI bus frequency + * This is used to change frequency on the fly. Some sensors + * (such as the MPU6000) need a lower frequency for setup + * registers and can handle higher frequency for sensor + * value registers + * + * @param frequency Frequency to set (Hz) + */ + void set_frequency(uint32_t frequency); + + /** * Locking modes supported by the driver. */ enum LockMode { |