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add led blink when recv data from nrf24l01

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This commit is contained in:
acevest
2020-04-14 23:06:49 +08:00
parent 0b517ab630
commit b962ab14f3
2 changed files with 31 additions and 27 deletions
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20
board/Sipeed_LonganNano/eclipse/nRF24L01/nrf24.c
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@@ -1,7 +1,8 @@
#include "nrf24.h"
#include "tos_k.h"
#include <stdio.h>
extern k_sem_t sem_led;
k_sem_t sem_nrf_recv;
int flag = 0;
#define TASK_SIZE (8*1024)
k_task_t task_nrf24_handle;
@@ -84,7 +85,7 @@ void EXTI0_IRQHandler(void)
nrf_hal_read_reg_byte(REG_STATUS, &status);
if(status & _BV(RX_DR)) {
flag = 1;
tos_sem_post(&sem_nrf_recv);
}
}
@@ -110,6 +111,7 @@ void task_nrf24() {
if(1)
{
tos_sem_create(&sem_nrf_recv, 1);
// nrf24 irq pin
gpio_init(GPIOB, GPIO_MODE_IPU, GPIO_OSPEED_50MHZ, GPIO_PIN_0);
gpio_bit_set(GPIOB, GPIO_PIN_0);
@@ -160,29 +162,27 @@ void task_nrf24() {
while(1) {
while(flag == 0) {
nrf_delay(1);
}
flag = 0;
tos_sem_pend(&sem_nrf_recv, ~0);
uint8_t buf[32];
uint8_t len = 0;
uint8_t status = 0;
nrf_hal_read_reg_byte(REG_STATUS, &status);
if((status & _BV(RX_DR)) == 0) {
printf("nodata %x\n", status);
}
uint8_t pipe = ((status>>1) & 0x07);
nrf_read_payload(buf, &len);
if(pipe >= 6) {
printf("shit happens\n");
}
nrf_hal_set_reg_bit(REG_STATUS, _BV(RX_DR));
nrf_flush_rx();
printf("received %u bytes from pipe %u: ", len, pipe);
tos_sem_post(&sem_led);
for(int i=0; i<len; i++) {
printf("%x ", buf[i]);