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
}
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
}