Esempio n. 1
0
void nrf5MiscInit(void)
{
#if SOFTDEVICE_PRESENT
    sd_power_reset_reason_get(&sResetReason);
    sd_power_reset_reason_clr(0xFFFFFFFF);
#else
    sResetReason         = NRF_POWER->RESETREAS;
    NRF_POWER->RESETREAS = 0xFFFFFFFF;
#endif // SOFTDEVICE_PRESENT
}
Esempio n. 2
0
void serial_handler_init(void)
{
    has_pending_tx = false;
    /* init packet queues */
    tx_fifo.array_len = SERIAL_QUEUE_SIZE;
    tx_fifo.elem_array = tx_fifo_buffer;
    tx_fifo.elem_size = sizeof(serial_data_t);
    tx_fifo.memcpy_fptr = NULL;
    fifo_init(&tx_fifo);
    rx_fifo.array_len = SERIAL_QUEUE_SIZE;
    rx_fifo.elem_array = rx_fifo_buffer;
    rx_fifo.elem_size = sizeof(serial_data_t);
    rx_fifo.memcpy_fptr = NULL;
    fifo_init(&rx_fifo);

    nrf_gpio_cfg_output(PIN_RDYN);
    nrf_gpio_pin_set(PIN_RDYN);
    serial_state = SERIAL_STATE_IDLE;

    spi_slave_config_t spi_config;
    spi_config.bit_order = SPIM_LSB_FIRST;
    spi_config.mode = SPI_MODE_0;
    spi_config.def_tx_character = 0;
    spi_config.orc_tx_character = 0;
    spi_config.pin_csn = PIN_CSN;
    spi_config.pin_miso = PIN_MISO;
    spi_config.pin_mosi = PIN_MOSI;
    spi_config.pin_sck = PIN_SCK;



    APP_ERROR_CHECK(spi_slave_init(&spi_config));
    APP_ERROR_CHECK(spi_slave_evt_handler_register(spi_event_handler));

    gpiote_init();

    /* set initial buffers, dummy in tx */
    //prepare_rx();
#if 1 
    /* notify application controller of the restart */ 
    serial_evt_t started_event;
    started_event.length = 4;
    started_event.opcode = SERIAL_EVT_OPCODE_DEVICE_STARTED;
    started_event.params.device_started.operating_mode = OPERATING_MODE_STANDBY;
    uint32_t reset_reason;
    sd_power_reset_reason_get(&reset_reason);
    started_event.params.device_started.hw_error = !!(reset_reason & (1 << 3));
    started_event.params.device_started.data_credit_available = SERIAL_QUEUE_SIZE;
    
    if (!serial_handler_event_send(&started_event))
    {
        APP_ERROR_CHECK(NRF_ERROR_INTERNAL);
    }
#endif
}