添加Raspberry Pico 433MHZ转发模块看门狗功能

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

@@ -2,6 +2,7 @@ cmake_minimum_required(VERSION 3.12)
 
 # Pull in SDK (must be before project)
 include(pico_sdk_import.cmake)
+include(pico_extras_import.cmake)
 
 project(pico_examples C CXX ASM)
 set(CMAKE_C_STANDARD 11)
@@ -15,6 +16,7 @@ pico_sdk_init()
 # Add blink example
 add_subdirectory(examples/Transmit)
 add_subdirectory(examples/Receive)
+add_subdirectory(examples/Forward)
 
 
 

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

@@ -15,7 +15,11 @@ add_compile_options(-Wall
 target_link_libraries(forward
 pico_stdlib
 hardware_adc
-pico_multicore)
+pico_multicore
+pico_runtime
+hardware_sleep
+hardware_rtc
+)
 
 # enable usb output, disable uart output
 pico_enable_stdio_usb(forward 1)

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

@@ -5,21 +5,20 @@
 #include "pico/multicore.h"
 #include <map>                  // map
 #include <time.h>
-
+#include "hardware/watchdog.h"
 
 #define BUFFER_SIZ 270
 
 const uint LED_PIN = PICO_DEFAULT_LED_PIN;
-const uint RADIO_TRANSMIT_PIN = 16;         // 433发射模块引脚
+const uint RADIO_TRANSMIT_PIN = 16; // 433发射模块引脚
-const uint RADIO_RECEIVER_PIN = 17;         // 433接收模块引脚
+const uint RADIO_RECEIVER_PIN = 17; // 433接收模块引脚
-const uint PASSWD_LEN = 3;                  // 随机数几位
+const uint PASSWD_LEN = 3;      // 随机数几位
-const uint QUEUES_NUM = 3;                  // 队列数量, 满了发送
+const uint QUEUES_NUM = 3;      // 队列数量, 满了发送
-const uint QUEUES_WAIT = 60;                 // 队列等待时间, 单位秒, 队列未满时
+const uint QUEUES_WAIT = 4;     // 队列等待时间, 单位秒, 队列未满时
 
 char ins[] = "55";
 char outs = '1';
 
-
 // 闪烁LED
 static void light()
 {
@@ -30,7 +29,7 @@ static void light()
     gpio_put(LED_PIN, 0);
     sleep_ms(100);
 
-    return ;
+    return;
 }
 
 static const char pool[] = {
@@ -58,11 +57,11 @@ static int RAND()
 static void SEND(const int ID)
 {
     int RANDOM = 500;
-    const int LOOP_NUM = 1;             // 循环发送次数
+    const int LOOP_NUM = 1;     // 循环发送次数
-    const uint PULSE_LENGTH = 169;      // set this to PULSELENGTH RECIEVED
+    const uint PULSE_LENGTH = 169; // set this to PULSELENGTH RECIEVED
-    const uint REPEAT_TRANSMIT = 5;     // set this to whatever works best for you.    // 重复发送
+    const uint REPEAT_TRANSMIT = 5; // set this to whatever works best for you.    // 重复发送
-    const uint PROTOCOL = 1;            // set this to PROTOCOL RECIEVED
+    const uint PROTOCOL = 1;    // set this to PROTOCOL RECIEVED
-    const uint BIT_LENGTH = 24;         // set this to BIT LENGTH RECIEVED
+    const uint BIT_LENGTH = 24; // set this to BIT LENGTH RECIEVED
 
     gpio_init(RADIO_TRANSMIT_PIN);
     RCSwitch mySwitch = RCSwitch();
@@ -71,18 +70,17 @@ static void SEND(const int ID)
     mySwitch.setPulseLength(PULSE_LENGTH);
     mySwitch.setRepeatTransmit(REPEAT_TRANSMIT);
 
-
+    for (int i = 1; i <= LOOP_NUM; i++) {
-    for (int i = 0; i <= LOOP_NUM; i++) {
         RANDOM = RAND();
-        light();                                // 灯闪烁
+        light();                // 灯闪烁
 
-        sleep_ms(RANDOM * 2 / 3);               // 等待随机时间
+        sleep_ms(RANDOM * 2 / 3); // 等待随机时间
 
-        mySwitch.send(ID, BIT_LENGTH);          // 发射
+        mySwitch.send(ID, BIT_LENGTH); // 发射
-        sleep_ms(100);
+        sleep_ms(120);
     }
 
-    return ;
+    return;
 }
 
 static int int_string(int val, char *inchars, int SIZE, int *inchars_len, char *outchars, int *outchars_len)
@@ -90,7 +88,6 @@ static int int_string(int val, char *inchars, int SIZE, int *inchars_len, char *
     memset(inchars, 0, SIZE);
     memset(outchars, 0, SIZE);
 
-
     snprintf(inchars, SIZE, "%d", val);
     *inchars_len = strlen(inchars);
 
@@ -118,24 +115,18 @@ static void core1_main()
     int inchars_len;
     int outchars_len;
 
-    while (true)
+    while (true) {
-    {
+        if (rcSwitch.available()) {
-        if (rcSwitch.available())
+            light();            // 灯闪烁
-        {
-            light();                                        // 灯闪烁
 
             uint32_t val = rcSwitch.getReceivedValue();
 
             int_string(val, inchars, BUFFER_SIZ, &inchars_len, outchars, &outchars_len);
 
-            if (val != 0)
+            if (val != 0) {
-            {
+                if (inchars[0] == ins[0] && inchars[1] == ins[1]) {
-                if (inchars[0] == ins[0] && inchars[1] == ins[1])
-                {
                     multicore_fifo_push_blocking(atoi(outchars));
-                }
+                } else {
-                else
-                {
                     rcSwitch.resetAvailable();
                     val = 0;
                     continue;
@@ -147,17 +138,17 @@ static void core1_main()
             val = 0;
         }
 
-
+        sleep_ms(120);
-        sleep_ms(100);
 
     }
 
-    return ;
+    return;
 }
 
 int main(void)
 {
     stdio_init_all();
+    sleep_ms(7000);
     
     std::map < int, int >idcode;
     int count=0;
@@ -168,9 +159,19 @@ int main(void)
     multicore_launch_core1(core1_main);
     
     
+    if (watchdog_caused_reboot()) {
+        printf("Rebooted by Watchdog!\n");
+    } else {
+        printf("Clean boot\n");
+    }
+    
+    watchdog_enable(8000, 1);
+    
 
     while (1)
     {
+        watchdog_update();
+        
         if (multicore_fifo_rvalid())
         {
             i = multicore_fifo_pop_blocking();          // 读取核心1发送来的数据
@@ -186,8 +187,8 @@ int main(void)
         {
             for (auto it: idcode)
             {
-                
+                watchdog_update();
-                printf("核心0转发433MHZ %u\n", it.first);
+                printf("核心0转发433MHZ 1bin %u\n", it.first);
                 SEND(it.first);
             }
 
@@ -197,11 +198,12 @@ int main(void)
         {
             count++;                                    // 计数
             
-            if (count == QUEUES_WAIT*10)                // 秒
+            if (count == (QUEUES_WAIT*10))              // 秒
             {
                 for (auto it: idcode)
                 {
-                    printf("核心0转发433MHZ %u\n", it.first);
+                    watchdog_update();
+                    printf("核心0转发433MHZ 2bin %u\n", it.first);
                     SEND(it.first);
                 }
 
@@ -211,9 +213,9 @@ int main(void)
         }
 
         
-        sleep_ms(10);
+        sleep_ms(100);
     }
 
-
     return 0;
 }
+

433MHZ/rc-switch-pico/pico_extras_import.cmake

@@ -0,0 +1,62 @@
+# This is a copy of <PICO_EXTRAS_PATH>/external/pico_extras_import.cmake
+
+# This can be dropped into an external project to help locate pico-extras
+# It should be include()ed prior to project()
+
+if (DEFINED ENV{PICO_EXTRAS_PATH} AND (NOT PICO_EXTRAS_PATH))
+    set(PICO_EXTRAS_PATH $ENV{PICO_EXTRAS_PATH})
+    message("Using PICO_EXTRAS_PATH from environment ('${PICO_EXTRAS_PATH}')")
+endif ()
+
+if (DEFINED ENV{PICO_EXTRAS_FETCH_FROM_GIT} AND (NOT PICO_EXTRAS_FETCH_FROM_GIT))
+    set(PICO_EXTRAS_FETCH_FROM_GIT $ENV{PICO_EXTRAS_FETCH_FROM_GIT})
+    message("Using PICO_EXTRAS_FETCH_FROM_GIT from environment ('${PICO_EXTRAS_FETCH_FROM_GIT}')")
+endif ()
+
+if (DEFINED ENV{PICO_EXTRAS_FETCH_FROM_GIT_PATH} AND (NOT PICO_EXTRAS_FETCH_FROM_GIT_PATH))
+    set(PICO_EXTRAS_FETCH_FROM_GIT_PATH $ENV{PICO_EXTRAS_FETCH_FROM_GIT_PATH})
+    message("Using PICO_EXTRAS_FETCH_FROM_GIT_PATH from environment ('${PICO_EXTRAS_FETCH_FROM_GIT_PATH}')")
+endif ()
+
+if (NOT PICO_EXTRAS_PATH)
+    if (PICO_EXTRAS_FETCH_FROM_GIT)
+        include(FetchContent)
+        set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
+        if (PICO_EXTRAS_FETCH_FROM_GIT_PATH)
+            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
+        endif ()
+        FetchContent_Declare(
+                PICO_EXTRAS
+                GIT_REPOSITORY https://github.com/raspberrypi/pico-extras
+                GIT_TAG master
+        )
+        if (NOT PICO_EXTRAS)
+            message("Downloading PICO EXTRAS")
+            FetchContent_Populate(PICO_EXTRAS)
+            set(PICO_EXTRAS_PATH ${PICO_EXTRAS_SOURCE_DIR})
+        endif ()
+        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
+    else ()
+        if (PICO_SDK_PATH AND EXISTS "${PICO_SDK_PATH}/../pico-extras")
+            set(PICO_EXTRAS_PATH ${PICO_SDK_PATH}/../pico-extras)
+            message("Defaulting PICO_EXTRAS_PATH as sibling of PICO_SDK_PATH: ${PICO_EXTRAS_PATH}")
+        else()
+            message(FATAL_ERROR
+                    "PICO EXTRAS location was not specified. Please set PICO_EXTRAS_PATH or set PICO_EXTRAS_FETCH_FROM_GIT to on to fetch from git."
+                    )
+        endif()
+    endif ()
+endif ()
+
+set(PICO_EXTRAS_PATH "${PICO_EXTRAS_PATH}" CACHE PATH "Path to the PICO EXTRAS")
+set(PICO_EXTRAS_FETCH_FROM_GIT "${PICO_EXTRAS_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of PICO EXTRAS from git if not otherwise locatable")
+set(PICO_EXTRAS_FETCH_FROM_GIT_PATH "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download EXTRAS")
+
+get_filename_component(PICO_EXTRAS_PATH "${PICO_EXTRAS_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${PICO_EXTRAS_PATH})
+    message(FATAL_ERROR "Directory '${PICO_EXTRAS_PATH}' not found")
+endif ()
+
+set(PICO_EXTRAS_PATH ${PICO_EXTRAS_PATH} CACHE PATH "Path to the PICO EXTRAS" FORCE)
+
+add_subdirectory(${PICO_EXTRAS_PATH} pico_extras)