c_cpp nrf52时钟

Posted 2021-05-14

#ifdef SOFTDEVICE_PRESENT
/**@brief Function for initializing the SoftDevice and enabling the BLE stack. */
static void ble_stack_init(void)
{
    ret_code_t rc;
    uint32_t ram_start;

    /* Enable the SoftDevice. */
    rc = nrf_sdh_enable_request();
    APP_ERROR_CHECK(rc);

    rc = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start);
    APP_ERROR_CHECK(rc);

    rc = nrf_sdh_ble_enable(&ram_start);
    APP_ERROR_CHECK(rc);
}
#else
static void clock_init(void)
{
    /* Initialize the clock. */
    ret_code_t rc = nrf_drv_clock_init();
    APP_ERROR_CHECK(rc);

    nrf_drv_clock_lfclk_request(NULL);

    // Wait for the clock to be ready.
    while (!nrf_clock_lf_is_running()) {;}
}
#endif