优化433MHZ中继转发

433MHZ/rc-switch-pico/examples/Transmit/CMakeLists.txt

@@ -0,0 +1,26 @@
+add_executable(transmit
+        Transmit.cc
+        ../../radio-switch.cc
+        )
+
+
+add_compile_options(-Wall
+-Wno-format          # int != int32_t as far as the compiler is concerned because gcc has int32_t as long int
+-Wno-unused-function # we have some for the docs that aren't called
+-Wno-maybe-uninitialized
+)
+
+# Pull in our pico_stdlib which pulls in commonly used features
+target_link_libraries(transmit pico_stdlib)
+
+
+
+# enable usb output, disable uart output
+pico_enable_stdio_usb(transmit 1)
+pico_enable_stdio_uart(transmit 0)
+
+
+pico_enable_stdio_uart(transmit ENABLED)
+
+# create map/bin/hex file etc.
+pico_add_extra_outputs(transmit)

433MHZ/rc-switch-pico/examples/Transmit/Transmit.cc

@@ -0,0 +1,94 @@
+#include <iostream>
+#include "pico/stdlib.h"
+#include "../../radio-switch.h"
+
+#include <time.h>
+
+#define BUFFER_SIZ 1024
+
+// 闪烁LED
+static void light()
+{
+    const uint LED_PIN = PICO_DEFAULT_LED_PIN;
+    gpio_init(LED_PIN);
+    gpio_set_dir(LED_PIN, GPIO_OUT);
+    gpio_put(LED_PIN, 1);
+    sleep_ms(100);
+    gpio_put(LED_PIN, 0);
+    sleep_ms(100);
+
+}
+
+static char pool[] = {
+    '1', '2', '3', '4', '5', '6', '7', '8', '9'
+};
+
+// 随即数
+static int RAND()
+{
+    int PASSWD_LEN = 3;
+    char password[BUFFER_SIZ];
+    int i = 0;
+    FILE *fp;
+
+    memset(password, 0, BUFFER_SIZ);
+    srand(time(NULL));
+
+    while (i != PASSWD_LEN) {
+        password[i++] = pool[rand() % sizeof(pool)];
+    }
+
+    //printf("%d\n", atoi(password));
+
+    return atoi(password);
+}
+
+int main(void)
+{
+
+    const uint RADIO_TRANSMIT_PIN = 16; // 433发射模块引脚
+    const uint BUTTON = 17;     // 按钮发射
+
+    const uint PULSE_LENGTH = 169; // set this to PULSELENGTH RECIEVED
+    const uint REPEAT_TRANSMIT = 4; // set this to whatever works best for you.    // 重复发送
+    const uint PROTOCOL = 1;    // set this to PROTOCOL RECIEVED
+    const uint BIT_LENGTH = 24; // set this to BIT LENGTH RECIEVED
+
+    stdio_init_all();
+    gpio_init(RADIO_TRANSMIT_PIN);
+    RCSwitch mySwitch = RCSwitch();
+    mySwitch.enableTransmit(RADIO_TRANSMIT_PIN);
+    mySwitch.setProtocol(PROTOCOL);
+    mySwitch.setPulseLength(PULSE_LENGTH);
+    mySwitch.setRepeatTransmit(REPEAT_TRANSMIT);
+
+    int RANDOM = 30;
+    int LOOP_NUM = 1;           // 循环发送次数
+
+    const int but = 55001;
+
+    stdio_uart_init_full(uart0, 115200, 6, 7);
+
+    while (1) {
+        //fprintf(uart0_handle, "Hello from uart0!\r\n");
+
+        //if (1 == gpio_get(BUTTON)) {                // 按钮按下
+        for (int i = 0; i <= LOOP_NUM; i++) {
+            RANDOM = RAND();
+            light();            // 灯闪烁
+
+            sleep_ms(RANDOM * 2 / 3); // 等待随机时间
+
+            mySwitch.send(but, BIT_LENGTH); // 第一次发射
+            sleep_ms(130);
+
+            //mySwitch.send(but+1, BIT_LENGTH);   // 第二次发射
+            //sleep_ms(130);
+        }
+        //}
+
+        sleep_ms(3000);
+    }
+
+    return 0;
+}