TWI Initialization

twi_init.c

bool init_twi (void) {

	// Variables
    uint32_t err_code;

    //NRF_LOG_INFO("twi_init: Initializing TWI....\r\n");

    // Main parameters to configure the TWI communication
    const nrf_drv_twi_config_t twi_mpu_config = {
       .scl                = TWI_SCL_PIN,
       .sda                = TWI_SDA_PIN,
       .frequency          = NRF_TWI_FREQ_400K,
       .interrupt_priority = APP_IRQ_PRIORITY_LOW
    };

    // Initialize the TWI driver
    err_code = nrf_drv_twi_init(&m_twi_instance, &twi_mpu_config, twi_event_handler, NULL);

    // Check if error
    if ( err_code != NRF_SUCCESS ) return false;

    // Enable the TWI driver
    nrf_drv_twi_enable(&m_twi_instance);

	return true;
}