/**
* @brief This function handles External lines 15 to 4 interrupt request.
* @param None
* @retval None
*/
void EXTI9_5_IRQHandler(void)
{
/* EXTI line 7 interrupt detected */
if(__HAL_GPIO_EXTI_GET_IT(RADIO_GPIO_3_EXTI_LINE))
{
__HAL_GPIO_EXTI_CLEAR_IT(RADIO_GPIO_3_EXTI_LINE);
HAL_GPIO_EXTI_Callback(RADIO_GPIO_3_EXTI_LINE);
spirit1_interrupt_callback();
}
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_9);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_8);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_7);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_6);
__HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_5);
#ifndef LPM_ENABLE
// if(__HAL_GPIO_EXTI_GET_IT(KEY_BUTTON_EXTI_LINE) != RESET)
// {
// __HAL_GPIO_EXTI_CLEAR_IT(KEY_BUTTON_EXTI_LINE);
//
// Set_KeyStatus(SET);
// }
//
#else /*Low Power mode enabled*/
#if defined(RF_STANDBY)/*if spirit1 is in standby*/
if(EXTI->PR & KEY_BUTTON_EXTI_LINE)
{
HAL_GPIO_EXTI_Callback(KEY_BUTTON_EXTI_LINE);
/* EXTI line 13 interrupt detected */
if(HAL_GPIO_ReadPin(KEY_BUTTON_GPIO_PORT, KEY_BUTTON_PIN) == 0x01) //0x00
{
HAL_GPIO_EXTI_Callback(KEY_BUTTON_EXTI_LINE);
PushButtonStatusWakeup = SET;
PushButtonStatusData = RESET;
wakeupCounter = LPM_WAKEUP_TIME;
dataSendCounter = DATA_SEND_TIME;
dataSendCounter++;
}
__HAL_GPIO_EXTI_CLEAR_IT(KEY_BUTTON_EXTI_LINE);
}
#else /*if spirit1 is not in standby or sleep mode but MCU is in LPM*/
if(__HAL_GPIO_EXTI_GET_IT(KEY_BUTTON_EXTI_LINE) != RESET)
{
__HAL_GPIO_EXTI_CLEAR_IT(KEY_BUTTON_EXTI_LINE);
HAL_GPIO_EXTI_Callback(KEY_BUTTON_EXTI_LINE);
Set_KeyStatus(SET);
}
#endif
#endif
}
/* The Spirit1 transceiver use a GPIO to signal irqs; this is the first-line
interrupt handler. It passes down handling to a callback in the radio driver. */
void
M2S_GPIO_3_EXTI_IRQ_HANDLER(void)
{
if(EXTI_GetITStatus(M2S_GPIO_3_EXTI_LINE)) {
EXTI_ClearITPendingBit(M2S_GPIO_3_EXTI_LINE);
spirit1_interrupt_callback();
}
}
PROCESS_THREAD(spirit_radio_process, ev, data)
{
PROCESS_BEGIN();
PRINTF("Spirit1: process started\n");
while(1) {
int len;
PROCESS_YIELD_UNTIL(ev == PROCESS_EVENT_POLL);
PRINTF("Spirit1: polled\n");
packetbuf_clear();
len = spirit_radio_read(packetbuf_dataptr(), PACKETBUF_SIZE);
if(len > 0) {
#if NULLRDC_CONF_802154_AUTOACK
/* Check if the packet has an ACK request */
frame802154_t info154;
if(len > ACK_LEN &&
frame802154_parse((char*)packetbuf_dataptr(), len, &info154) != 0) {
if(info154.fcf.frame_type == FRAME802154_DATAFRAME &&
info154.fcf.ack_required != 0 &&
rimeaddr_cmp((rimeaddr_t *)&info154.dest_addr,
&rimeaddr_node_addr)) {
/* Send an ACK packet */
uint8_t ack_frame[ACK_LEN] = {
FRAME802154_ACKFRAME,
0x00,
info154.seq
};
spirit1_strobe(SPIRIT1_STROBE_FTX);
SpiritPktBasicSetPayloadLength((uint16_t) ACK_LEN);
SpiritSpiWriteLinearFifo((uint16_t) ACK_LEN, (uint8_t *) ack_frame);
SpiritSetReadyState();
spirit1_strobe(SPIRIT1_STROBE_TX);
BUSYWAIT_UNTIL(SPIRIT1_STATUS() == SPIRIT1_STATE_TX, 1 * RTIMER_SECOND/1000);
BUSYWAIT_UNTIL(SPIRIT1_STATUS() != SPIRIT1_STATE_TX, 1 * RTIMER_SECOND/1000);
ACKPRINTF("debug_ack: sent ack %d\n", ack_frame[2]);
}
}
#endif /* NULLRDC_CONF_802154_AUTOACK */
packetbuf_set_datalen(len);
NETSTACK_RDC.input();
}
if(!IS_RXBUF_EMPTY()){
process_poll(&spirit_radio_process);
}
if(interrupt_callback_wants_poll) {
spirit1_interrupt_callback();
if(SPIRIT1_STATUS() == SPIRIT1_STATE_READY) {
spirit1_strobe(SPIRIT1_STROBE_RX);
BUSYWAIT_UNTIL(SPIRIT1_STATUS() == SPIRIT1_STATE_RX, 1 * RTIMER_SECOND/1000);
}
}
}
PROCESS_END();
}
