/**
* \internal
* \brief Setup function: Send data by polling & receive with interrupt.
*
* This function registers and enables callback for buffer receive
* completed operation.
*
* \param test Current test case.
*/
static void setup_buffer_polled_write_interrupt_read_test
(const struct test_case *test)
{
/* Register & enable callback for buffer reception */
spi_register_callback(&slave, user_spi_callback,
SPI_CALLBACK_BUFFER_RECEIVED);
spi_enable_callback(&slave, SPI_CALLBACK_BUFFER_RECEIVED);
}
//! [conf_callback]
void configure_spi_master_callbacks(void)
{
//! [reg_callback]
spi_register_callback(&spi_master_instance, callback_spi_master,
SPI_CALLBACK_BUFFER_TRANSCEIVED);
//! [reg_callback]
//! [en_callback]
spi_enable_callback(&spi_master_instance, SPI_CALLBACK_BUFFER_TRANSCEIVED);
//! [en_callback]
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(mainProcess, ev, data) {
PROCESS_BEGIN();
GPIO_SET_OUTPUT(GPIO_A_BASE, 0xf8);
GPIO_SET_OUTPUT(GPIO_B_BASE, 0x0f);
GPIO_SET_OUTPUT(GPIO_C_BASE, 0x02);
GPIO_CLR_PIN(GPIO_A_BASE, 0xf8);
GPIO_CLR_PIN(GPIO_B_BASE, 0x07);
GPIO_SET_PIN(EDISON_WAKEUP_BASE, EDISON_WAKEUP_PIN_MASK); // edison WAKEUP
GPIO_SET_INPUT(RESET_PORT_BASE, RESET_PIN_MASK); // reset
ioc_set_over(RESET_PORT, RESET_PIN, IOC_OVERRIDE_PUE);
leds_off(LEDS_RED);
leds_off(LEDS_GREEN);
leds_off(LEDS_BLUE);
// RESET interrupt, active low
GPIO_DETECT_EDGE(RESET_PORT_BASE, RESET_PIN_MASK);
GPIO_DETECT_FALLING(RESET_PORT_BASE, RESET_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(RESET_PORT_BASE, RESET_PIN_MASK);
gpio_register_callback(resetcallBack, RESET_PORT, RESET_PIN);
GPIO_ENABLE_INTERRUPT(RESET_PORT_BASE, RESET_PIN_MASK);
nvic_interrupt_enable(RESET_NVIC_PORT);
GPIO_CLR_PIN(TRIUMVI_DATA_READY_PORT_BASE, TRIUMVI_DATA_READY_MASK);
// SPI CS interrupt
GPIO_DETECT_EDGE(SPI0_CS_PORT_BASE, SPI0_CS_PIN_MASK);
GPIO_DETECT_RISING(SPI0_CS_PORT_BASE, SPI0_CS_PIN_MASK);
GPIO_TRIGGER_SINGLE_EDGE(SPI0_CS_PORT_BASE, SPI0_CS_PIN_MASK);
gpio_register_callback(spiCScallBack, SPI0_CS_PORT, SPI0_CS_PIN);
GPIO_ENABLE_INTERRUPT(SPI0_CS_PORT_BASE, SPI0_CS_PIN_MASK);
// SPI interface
spix_slave_init(SPIDEV);
spix_txdma_enable(SPIDEV);
spi_register_callback(spiFIFOcallBack);
spix_interrupt_enable(SPIDEV, SSI_IM_RXIM_M); // RX FIFO half full
nvic_interrupt_enable(NVIC_INT_SSI0);
// uDMA SPI0 TX
udma_channel_disable(CC2538_SPI0_TX_DMA_CHAN);
udma_channel_prio_set_default(CC2538_SPI0_TX_DMA_CHAN);
udma_channel_use_primary(CC2538_SPI0_TX_DMA_CHAN);
udma_channel_use_single(CC2538_SPI0_TX_DMA_CHAN);
udma_channel_mask_clr(CC2538_SPI0_TX_DMA_CHAN);
udma_set_channel_dst(CC2538_SPI0_TX_DMA_CHAN, SPI0DR);
udma_set_channel_assignment(CC2538_SPI0_TX_DMA_CHAN, UDMA_CH11_SSI0TX);
simple_network_set_callback(&rf_rx_handler);
//NETSTACK_RADIO.off();
process_start(&decryptProcess, NULL);
process_start(&spiProcess, NULL);
while (1){
PROCESS_YIELD();
// buffer is not empty, spi is not in use
//if ((spiInUse==0) && (spix_busy(SPIDEV)==0) && ((triumviAvailIDX!=triumviFullIDX) || (triumviRXBufFull==1))){
if ((spiInUse==0) && ((triumviAvailIDX!=triumviFullIDX) || (triumviRXBufFull==1))){
GPIO_SET_PIN(TRIUMVI_DATA_READY_PORT_BASE, TRIUMVI_DATA_READY_MASK);
if (triumviRXBufFull==1){
resetCnt += 1;
if (resetCnt==RESET_THRESHOLD){
watchdog_reboot();
}
}
#ifdef LED_DEBUG
leds_off(LEDS_RED);
leds_off(LEDS_GREEN);
leds_off(LEDS_BLUE);
#endif
}
// Fail safe, CC2538 missing some SPI commands, reset spi state
else if (triumviRXBufFull==1){
spiState = SPI_RESET;
process_poll(&spiProcess);
#ifdef LED_DEBUG
leds_off(LEDS_RED);
leds_off(LEDS_GREEN);
leds_on(LEDS_BLUE);
#endif
}
}
PROCESS_END();
}
