157 lines
3.2 KiB
C++
157 lines
3.2 KiB
C++
#include <iostream>
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#include "pico/stdlib.h"
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#include "../../radio-switch.h"
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#include "pico/stdio.h"
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#include "pico/multicore.h"
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#include <map> // map
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#include <time.h>
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#define BUFFER_SIZ 1024
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//const uint RADIO_TRANSMIT_PIN = 16; // 433发射模块引脚
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const uint RADIO_RECEIVER_PIN = 17; // 433接收模块引脚
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// 闪烁LED
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void light()
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{
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const uint LED_PIN = PICO_DEFAULT_LED_PIN;
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gpio_init(LED_PIN);
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gpio_set_dir(LED_PIN, GPIO_OUT);
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gpio_put(LED_PIN, 1);
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sleep_ms(100);
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gpio_put(LED_PIN, 0);
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sleep_ms(100);
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}
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int int_string(int val, char *string, int string_len, int *str_len, char *dest, int *dest_len)
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{
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memset(string, 0, string_len);
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memset(dest, 0, string_len);
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char s[] = "55";
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char d = '1';
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snprintf(string, string_len, "%d", val);
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*str_len = strlen(string);
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if (0 == strncasecmp(string, s, 2)) {
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dest[0] = d;
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dest[1] = d;
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strncpy(dest + 2, string + 2, (*str_len) - 2);
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*dest_len = strlen(dest);
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}
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return 0;
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}
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// 核心0发送数据到核心1, 核心1判断是否有数据到来, 然后打印.
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void core1_main()
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{
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gpio_init(RADIO_RECEIVER_PIN);
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RCSwitch rcSwitch = RCSwitch();
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rcSwitch.enableReceive(RADIO_RECEIVER_PIN);
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const char s = '1';
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uint32_t val = 0;
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int str_len;
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int dest_len;
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char str[270];
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char dest[270];
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while (true)
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{
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if (rcSwitch.available())
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{
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light();
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val = rcSwitch.getReceivedValue();
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int_string(val, str, 270, &str_len, dest, &dest_len);
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if (val != 0) {
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if (str[0] == s && str[1] == s) {
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multicore_fifo_push_blocking(atoi(dest));
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} else {
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rcSwitch.resetAvailable();
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val = 0;
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continue;
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}
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}
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rcSwitch.resetAvailable();
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val = 0;
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}
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sleep_ms(130);
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}
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return;
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}
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int main()
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{
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stdio_init_all();
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std::map < int, int >idcode;
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int count=0;
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uint32_t i=0;
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multicore_reset_core1();
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multicore_launch_core1(core1_main);
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while (1)
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{
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if (multicore_fifo_rvalid()) {
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i = multicore_fifo_pop_blocking(); // 读取核心1发送来的数据
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idcode.insert( { // 插入map
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i, i}
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);
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}
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if (idcode.size() >= 3) { // 等于3个时发送
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for (auto it: idcode) {
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printf("核心0接收433MHZ %u\n", it.first);
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}
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idcode.clear();
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}
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else // 一直没有3个时候, 过一段时间发送
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{
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count++; // 计数
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if (count == 600) // 60秒
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{
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for (auto it: idcode) {
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printf("核心0接收433MHZ %u\n", it.first);
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}
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idcode.clear();
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count = 0;
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}
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}
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sleep_ms(100);
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}
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return 0;
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}
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