/** Power on and prepare for general usage.
* This will prepare the SPI communication interface for accessing the BMI160
* on the Curie module, before calling BMI160::initialize() to activate the
* BMI160 accelerometer and gyroscpoe with default settings.
*/
bool CurieImuClass::begin()
{
ss_spi_init(SPI_SENSING_1, 2000, SPI_BUSMODE_0, SPI_8_BIT, SPI_SE_1);
/* Perform a dummy read from 0x7f to switch to spi interface */
uint8_t dummy_reg = 0x7F;
serial_buffer_transfer(&dummy_reg, 1, 1);
/* The SPI interface is ready - now invoke the base class initialization */
BMI160Class::initialize();
/** Verify the SPI connection.
* MakgetGyroRatee sure the device is connected and responds as expected.
* @return True if connection is valid, false otherwise
*/
return (CURIE_IMU_CHIP_ID == getDeviceID());
}
/** Power on and prepare for general usage.
* This will prepare the SPI communication interface for accessing the BMI160
* on the Curie module, before calling BMI160::initialize() to activate the
* BMI160 accelerometer and gyroscpoe with default settings.
*/
bool CurieIMUClass::begin()
{
/* Configure pin-mux settings on the Intel Curie module to
* enable SPI mode usage */
SET_PIN_MODE(35, QRK_PMUX_SEL_MODEA); // SPI1_SS_MISO
SET_PIN_MODE(36, QRK_PMUX_SEL_MODEA); // SPI1_SS_MOSI
SET_PIN_MODE(37, QRK_PMUX_SEL_MODEA); // SPI1_SS_SCK
SET_PIN_MODE(38, QRK_PMUX_SEL_MODEA); // SPI1_SS_CS_B[0]
ss_spi_init();
/* Perform a dummy read from 0x7f to switch to spi interface */
uint8_t dummy_reg = 0x7F;
serial_buffer_transfer(&dummy_reg, 1, 1);
/* The SPI interface is ready - now invoke the base class initialization */
BMI160Class::initialize();
/** Verify the SPI connection.
* MakgetGyroRatee sure the device is connected and responds as expected.
* @return True if connection is valid, false otherwise
*/
return (CURIE_IMU_CHIP_ID == getDeviceID());
}
