ICM40627 - Motion Sensor#

sl_icm40627_spi_init#

sl_status_t sl_icm40627_spi_init (void )

Initialize the SPI bus to communicate with the ICM40627.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_deinit#

sl_status_t sl_icm40627_deinit (void )

De-initialize the ICM40627 sensor.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_read_register#

sl_status_t sl_icm40627_read_register (uint16_t addr, int num_bytes, uint8_t * data)

Read register from the ICM40627 device.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_write_register#

sl_status_t sl_icm40627_write_register (uint16_t addr, uint8_t data)

Write a register in the ICM40627 device.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_reset#

sl_status_t sl_icm40627_reset (void )

Perform soft reset on the ICM40627 chip.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_init#

sl_status_t sl_icm40627_init (void )

Initialize the ICM40627 sensor.

Enable the power supply and SPI lines, set up the host SPI controller, configure the chip control interface, clock generator, and interrupt line.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_gyro_set_bandwidth#

sl_status_t sl_icm40627_gyro_set_bandwidth (sl_gyro_BW_t gyro_Bw)

Set the bandwidth of the gyroscope.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_accel_set_bandwidth#

sl_status_t sl_icm40627_accel_set_bandwidth (sl_accel_BW_t accel_Bw)

Set the bandwidth of the accelerometer.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_set_sample_rate#

float sl_icm40627_set_sample_rate (float sample_rate)

Sets the sample rate for both the accelerometer and the gyroscope.

Returns

• The actual sample rate, which may be different than the desired value because of the finite and discrete number of divider settings.

sl_icm40627_accel_set_sample_rate#

sl_status_t sl_icm40627_accel_set_sample_rate (sl_accel_ODR_t accel_ODR)

Set the sample rate(Output Data Rate) of the accelerometer.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_gyro_set_sample_rate#

sl_status_t sl_icm40627_gyro_set_sample_rate (sl_gyro_ODR_t gyro_ODR)

Set the sample rate(Output Data Rate) of the gyroscope.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_accel_read_data#

sl_status_t sl_icm40627_accel_read_data (float accel)

Read the raw acceleration value and convert to g value based on the actual resolution.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_gyro_read_data#

sl_status_t sl_icm40627_gyro_read_data (float gyro)

Read the raw gyroscope value and convert to deg/sec value based on the actual resolution.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_accel_get_resolution#

sl_status_t sl_icm40627_accel_get_resolution (float * accel_res)

Get the actual resolution of the accelerometer.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_gyro_get_resolution#

sl_status_t sl_icm40627_gyro_get_resolution (float * gyro_res)

Get the actual resolution of the gyroscope.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_accel_set_full_scale#

sl_status_t sl_icm40627_accel_set_full_scale (sl_Accel_FS_t accelFs)

Set the Full scale value of the accelerometer.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_gyro_set_full_scale#

sl_status_t sl_icm40627_gyro_set_full_scale (sl_gyro_FS_t gyroFs)

Set the full scale value of the gyroscope.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_enable_sleep_mode#

sl_status_t sl_icm40627_enable_sleep_mode (bool enable)

Enable or disable the sleep mode of the device.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_enable_sensor#

sl_status_t sl_icm40627_enable_sensor (bool accel, bool gyro, bool temp)

Enable or disable the sensors in the ICM40627 chip.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_enable_interrupt#

sl_status_t sl_icm40627_enable_interrupt (bool data_ready_enable, bool wom_enable)

Enable or disable the interrupts in the ICM40627 chip.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_read_interrupt_status#

sl_status_t sl_icm40627_read_interrupt_status (uint32_t * int_status)

Read the interrupt status registers of the ICM40627 chip.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_is_data_ready#

bool sl_icm40627_is_data_ready (void )

Check if new data is available to read.

Returns

• Returns true if the Raw Data Ready interrupt bit set, false otherwise

sl_icm40627_calibrate_accel_and_gyro#

sl_status_t sl_icm40627_calibrate_accel_and_gyro (float * accel_bias_scaled, float * gyro_bias_scaled)

Accelerometer and gyroscope calibration function.

Reads the gyroscope and accelerometer values while the device is at rest and in level. The resulting values are loaded to the accel and gyro bias registers to cancel the static offset error.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_read_temperature_data#

sl_status_t sl_icm40627_read_temperature_data (float * temperature)

Read the temperature sensor raw value and convert to Celsius.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_get_device_id#

sl_status_t sl_icm40627_get_device_id (uint8_t * dev_id)

Read the device ID of the ICM40627.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_calibrate_gyro#

sl_status_t sl_icm40627_calibrate_gyro (float * gyroBiasScaled)

Gyroscope calibration function.

Read the gyroscope values while the device is at rest and in level. The resulting values are loaded to the gyro bias registers to cancel the static offset error.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_accel_enter_low_power_mode#

sl_status_t sl_icm40627_accel_enter_low_power_mode (bool enAccel)

Enable or disable the accelerometer sensor in low-power mode in the ICM40627 chip.

Returns

• Returns zero on OK, non-zero otherwise

sl_icm40627_select_register_bank#

sl_status_t sl_icm40627_select_register_bank (uint8_t bank)

Select the desired register bank.

Returns

• Returns zero on OK, non-zero otherwise