这次提交基于FreeRTOS能正常运行。

还存在微小问题，由于CO2传感器必须通过看门狗重启一次后才能正常，这个问题还没解决。（喂狗只在CO2函数内，保证能重启RP2040）

SOFTWARE-FreeRTOS/Source/DS18B20.cpp

@@ -5,150 +5,48 @@
 QueueHandle_t xQueue;
 
 
-#define MAX_TIMINGS 85
-
-void ds18b20_init() {
-    gpio_init(DS18B20_PIN);
-    gpio_set_dir(DS18B20_PIN, GPIO_OUT);
-    gpio_put(DS18B20_PIN, 1); // 上拉电阻
-}
-
-void ds18b20_write_bit(uint8_t bit) {
-    gpio_set_dir(DS18B20_PIN, GPIO_OUT);
-    gpio_put(DS18B20_PIN, 0);
-    sleep_us(bit ? 10 : 60);
-    gpio_put(DS18B20_PIN, 1);
-    sleep_us(bit ? 55 : 5);
-}
-
-uint8_t ds18b20_read_bit() {
-    uint8_t bit = 0;
-    gpio_set_dir(DS18B20_PIN, GPIO_OUT);
-    gpio_put(DS18B20_PIN, 0);
-    sleep_us(3);
-    gpio_set_dir(DS18B20_PIN, GPIO_IN);
-    sleep_us(10);
-    bit = gpio_get(DS18B20_PIN);
-    sleep_us(50);
-    return bit;
-}
-
-void ds18b20_write_byte(uint8_t byte) {
-    for (int i = 0; i < 8; i++) {
-        ds18b20_write_bit(byte & 0x01);
-        byte >>= 1;
-    }
-}
-
-uint8_t ds18b20_read_byte() {
-    uint8_t byte = 0;
-    for (int i = 0; i < 8; i++) {
-        byte >>= 1;
-        if (ds18b20_read_bit()) {
-            byte |= 0x80;
-        }
-    }
-    return byte;
-}
-
-int ds18b20_reset() {
-    gpio_set_dir(DS18B20_PIN, GPIO_OUT);
-    gpio_put(DS18B20_PIN, 0);
-    sleep_us(480);
-    gpio_put(DS18B20_PIN, 1);
-    gpio_set_dir(DS18B20_PIN, GPIO_IN);
-    sleep_us(70);
-    int presence = !gpio_get(DS18B20_PIN);
-    sleep_us(410);
-    return presence;
-}
-
-float ds18b20_read_temperature() {
-    if (!ds18b20_reset()) {
-        printf("DS18B20 not found\n");
-        return -1;
-    }
-
-    ds18b20_write_byte(0xCC); // 跳过ROM指令
-    ds18b20_write_byte(0x44); // 启动温度转换
-
-    sleep_ms(750); // 温度转换时间，具体时间请参考传感器数据手册
-
-    if (!ds18b20_reset()) {
-        printf("DS18B20 not found\n");
-        return -1;
-    }
-
-    ds18b20_write_byte(0xCC); // 跳过ROM指令
-    ds18b20_write_byte(0xBE); // 读取暂存器
-
-    uint8_t lsb = ds18b20_read_byte();
-    uint8_t msb = ds18b20_read_byte();
-    int16_t temp = (msb << 8) | lsb;
-
-    // 检查传感器数据有效性
-    if (temp == 0xFFFF) {
-        printf("Invalid temperature data\n");
-        return -1;
-    }
-
-    return temp / 16.0; // 转换为摄氏度
-}
-
-
 // 温度传感器
 void DS18B20(void *pvParameters)
 {
-
     // One_wire 第三方库方法
     float TEMPERATURE = -1;
-
     One_wire one_wire(DS18B20_PIN);
     one_wire.init();
     rom_address_t address {
+        
     };
 
+
     _printTaskStackHighWaterMark("DS18B20");
 
     while (1) {
+
+    
         one_wire.single_device_read_rom(address);
         one_wire.convert_temperature(address, true, false);
         TEMPERATURE = one_wire.temperature(address);
 
-        sleep_ms(300);
+        sleep_ms(1000);
-        printf("Device Address: %02x%02x%02x%02x%02x%02x%02x%02x DS18B20 Temperature: %3.1f°C\n", address.rom[0], address.rom[1], address.rom[2], address.rom[3], address.rom[4], address.rom[5], address.rom[6], address.rom[7], one_wire.temperature(address));
+        printf("Device Address: %02x%02x%02x%02x%02x%02x%02x%02x DS18B20 Temperature: %3.1f°C\n", \
+                address.rom[0], address.rom[1], address.rom[2], address.rom[3], address.rom[4], \
+                address.rom[5], address.rom[6], address.rom[7], one_wire.temperature(address));
 
         if (TEMPERATURE != 85) {
-                char TEMPERATURE_TEMP[256] = { 0 };
+                char TEMPERATURE_TEMP[BUFER] = { 0 };
                 sprintf(TEMPERATURE_TEMP, "Temperature: %.3f°C\n", TEMPERATURE);
                 _HC_12(TEMPERATURE_TEMP);
 
-                //TEMPERATURE = -1;
+                TEMPERATURE = -1;
         }
-
+/*
         // 发送数据到队列
         xQueueSend(xQueue, &TEMPERATURE, portMAX_DELAY);
         vTaskDelay(pdMS_TO_TICKS(1000));
-
+*/
-        _printTaskStackHighWaterMark("DS18B20");
+        //_printTaskStackHighWaterMark("DS18B20");
-        watchdog_update();                  // 喂狗
+        //watchdog_update();                  // 喂狗
         vTaskDelay(pdMS_TO_TICKS(3000));    // 非阻塞延时
     }
     
-    /*
+    return ;
-    ds18b20_init();
-
-    while (1) {
-        float temperature = ds18b20_read_temperature();
-        if (temperature != -1) {
-            printf("DS18B20 Temperature: %.2f°C\n", temperature);
-        } else {
-            printf("Failed to read temperature\n");
-        }
-        
-        watchdog_update();                  // 喂狗
-        vTaskDelay(pdMS_TO_TICKS(3000)); // 非阻塞延时
-    }
-    */
-    return;
 }

SOFTWARE-FreeRTOS/Source/DS18B20.hpp

@@ -15,6 +15,7 @@
 #include "../../SOFTWARE/Lib/pico-onewire/api/one_wire.h"
 
 #define DS18B20_PIN 15          // DS18B20 引脚
+#define BUFER 256
 
 extern QueueHandle_t xQueue;
 extern void DS18B20(void *pvParameters);

SOFTWARE-FreeRTOS/Source/MHZ14B.cpp

@@ -1,5 +1,6 @@
 #include "MHZ14B.hpp"
 #include "common.hpp"
+#include "HC-12.hpp"
 
 void MH_Z14B_INIT()
 {
@@ -9,12 +10,13 @@ void MH_Z14B_INIT()
     gpio_set_function(UART1_RX_PIN, GPIO_FUNC_UART);
     uart_set_hw_flow(UART1, false, false);
     uart_set_format(UART1, DATA_BITS, STOP_BITS, PARITY);
+    
+    return ;
 }
 
 // CO2
 static uint16_t MH_Z14B(int *MH_Z14B_DATA_IS_OK)
 {
-
     // 0x86 读气体浓度值
     uint8_t CMD[9] = { 0xFF, 0x01, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79 };
     uart_write_blocking(UART1, CMD, 9);
@@ -28,7 +30,8 @@ static uint16_t MH_Z14B(int *MH_Z14B_DATA_IS_OK)
     uint16_t CO2_CONC = (256 * CO2_DATA[2]) + CO2_DATA[3];
 
     // 校验
-    uint8_t CHECKSUM = (0xFF - (CO2_DATA[1] + CO2_DATA[2] + CO2_DATA[3] + CO2_DATA[4] + CO2_DATA[5] + CO2_DATA[6] + CO2_DATA[7])) + 1;
+    uint8_t CHECKSUM = (0xFF - (CO2_DATA[1] + CO2_DATA[2] + CO2_DATA[3] + CO2_DATA[4] + \
+        CO2_DATA[5] + CO2_DATA[6] + CO2_DATA[7])) + 1;
 
     if (CO2_DATA[8] == CHECKSUM && CO2_DATA[1] == 0x86) {
         //printf("CHECKSUM: %X = %X\n", CO2_DATA[8], CHECKSUM);
@@ -49,6 +52,7 @@ static uint16_t MH_Z14B(int *MH_Z14B_DATA_IS_OK)
         printf("CO2 concentration reading failed!\n");
     }
 
+
     return CO2_CONC;
 }
 
@@ -63,11 +67,18 @@ void CO2(void *pvParameters)
         CO2_DATA = MH_Z14B(&MH_Z14B_DATA_IS_OK);
          if (CO2_DATA != -1 && MH_Z14B_DATA_IS_OK == 1) {
             printf("CO2 Concentration: %d ppm\n", CO2_DATA);
+            
+            char CO2_DATA_TEMP[BUFER] = { 0 };
+            sprintf(CO2_DATA_TEMP, "CO2 Concentration: %d ppm\n", CO2_DATA);
+            _HC_12(CO2_DATA_TEMP);
         }
+        
         //_printTaskStackHighWaterMark("CO2");
         watchdog_update();                  // 喂狗
         
         vTaskDelay(pdMS_TO_TICKS(3000)); // 非阻塞延时
         printf("\n");
     }
+    
+    return ;
 }

SOFTWARE-FreeRTOS/Source/MHZ14B.hpp

@@ -26,6 +26,7 @@
 #define UART1_TX_PIN 5          // MH-Z14B T
 #define UART1_RX_PIN 4          // MH-Z14B R
 
+#define BUFER 256
 extern void CO2(void *pvParameters);
 
 #endif

SOFTWARE-FreeRTOS/Source/ZC13.cpp

@@ -1,5 +1,6 @@
 #include "ZC13.hpp"
 #include "common.hpp"
+#include "HC-12.hpp"
 
 int ZC13_INIT()
 {
@@ -33,7 +34,7 @@ int ZC13_PIO_UART_RX_DATA(PIO pio, uint sm, uint8_t * DATA, int DATA_LEN)
         if (uart_rx_program_available(pio, sm)) {
             c = uart_rx_program_getc(pio, sm);
             DATA[received_count++] = c;
-            //printf("0x%X ", c);
+            printf("0x%X ", c);
             if (c == '\n') {
                 // 接收到换行符，停止接收数据
                 break;
@@ -66,8 +67,8 @@ int ZC13(const char *model)
     // 接收指令
     CH4_DATA_LEN = ZC13_PIO_UART_RX_DATA(ZC13_PIO, ZC13_PIO_SM_RX, CH4_DATA, 9);
 
-    //printf("\n");
+    printf("\n");
-    // printf("%d\n", CH4_DATA_LEN);
+    printf("%d\n", CH4_DATA_LEN);
 
     uint8_t highByte = CH4_DATA[2]; // 假设这是气体浓度高位字节
     uint8_t lowByte = CH4_DATA[3]; // 假设这是气体浓度高位字节
@@ -104,13 +105,19 @@ int ZC13(const char *model)
 void CH4(void *pvParameters)
 {
     ZC13_INIT();
-    _printTaskStackHighWaterMark("ZC13");
+    _printTaskStackHighWaterMark("CH4");
 
-    while (1) {
+    while (1)
+    {
         
-        ZC13("ZC05");
+        char CH4_DATA[BUFER] = { 0 };
-        //_printTaskStackHighWaterMark("ZC13");
+        sprintf(CH4_DATA, "CH4 Concentration: %d\n", ZC13("ZC05"));
-        watchdog_update();                  // 喂狗
+        _HC_12(CH4_DATA);
+        
+        //_printTaskStackHighWaterMark("CH4");
+        //watchdog_update();                  // 喂狗
         vTaskDelay(pdMS_TO_TICKS(3000));    // 非阻塞延时
     }
+    
+    return ;
 }

SOFTWARE-FreeRTOS/Source/ZC13.hpp

@@ -22,6 +22,7 @@
 #define ZC13_PIO_SM_RX 1
 #define ZC13_PIO_SERIAL_BAUD 9600
 
+#define BUFER 256
 extern void CH4(void *pvParameters);
 
 #endif

SOFTWARE-FreeRTOS/Source/ZE07CO.cpp

@@ -1,4 +1,5 @@
 #include "ZE07CO.hpp"
+#include "HC-12.hpp"
 #include "common.hpp"
 
 void ZE07CO_INIT()
@@ -71,9 +72,15 @@ void CO(void *pvParameters)
         CO_DATA = ZE07CO(2, &ZE07_CO_DATA_IS_OK);
         if (CO_DATA != -1 && ZE07_CO_DATA_IS_OK == 1) {
             printf("CO Concentration: %d ppm\n", CO_DATA);
+            
+            char CO_DATA_TEMP[BUFER] = { 0 };
+            sprintf(CO_DATA_TEMP, "CO Concentration: %d ppm\n", CO_DATA);
+            _HC_12(CO_DATA_TEMP);
+            
         }
+        
         //_printTaskStackHighWaterMark("CO");
-        watchdog_update();                  // 喂狗
+        //watchdog_update();                  // 喂狗
         vTaskDelay(pdMS_TO_TICKS(3000)); // 非阻塞延时
     }
     

SOFTWARE-FreeRTOS/Source/ZE07CO.hpp

@@ -26,6 +26,7 @@
 #define UART0_TX_PIN 1          // T
 #define UART0_RX_PIN 0          // R
 
+#define BUFER 256
 extern void CO(void *pvParameters);
 
 #endif

SOFTWARE-FreeRTOS/Source/main.cpp

@@ -49,7 +49,7 @@ void Led_Blinky(void *pvParameters)
             // 处理接收到的数据
             printf("%f\n", TEMPERATURE);
         }
-        //_printTaskStackHighWaterMark("Led_Blinky");
+        _printTaskStackHighWaterMark("Led_Blinky");
     }
 }
 
@@ -61,7 +61,7 @@ void CPU(void *pvParameters)
     adc_set_temp_sensor_enabled(true);
     adc_select_input(4);        // Input 4 is the onboard temperature sensor.
 
-    //_printTaskStackHighWaterMark("Read_Onboard_Temperature");
+    _printTaskStackHighWaterMark("CPU_");
 
     while (1) {
         const float conversionFactor = 3.3f / (1 << 12);
@@ -71,7 +71,12 @@ void CPU(void *pvParameters)
 
         printf("CPU temperature %.02f°C %.02f°F\n", tempC, (tempC * 9 / 5 + 32));
         
-        //_printTaskStackHighWaterMark("Read_Onboard_Temperature");
+        
+        char ONBOARD_TEMPERATURE_TEMP[BUFER] = { 0 };
+        sprintf(ONBOARD_TEMPERATURE_TEMP, "Onboard temperature %.02f°C %.02f°F\n", tempC, (tempC * 9 / 5 + 32));
+        _HC_12(ONBOARD_TEMPERATURE_TEMP);
+
+        _printTaskStackHighWaterMark("CPU_");
 
         vTaskDelay(pdMS_TO_TICKS(3000));    // 非阻塞延时
     }
@@ -89,7 +94,7 @@ int main(void)
         printf("Clean boot\n");
     }
     watchdog_enable(8300, 1);   // 8秒检测是否重新加载看门狗计数器. (不更新计数器则重启硬件, 最高8秒)
-    watchdog_start_tick(12);
+    //watchdog_start_tick(12);
 
     // 创建队列
     xQueue = xQueueCreate(10, sizeof(long));
@@ -125,7 +130,7 @@ int main(void)
     }
 
     // CH4
-    xReturned = xTaskCreate(CH4, "CH4 task", 1024, NULL, tskIDLE_PRIORITY, &CH4_xHandle);
+    xReturned = xTaskCreate(CH4, "CH4 task", 2048, NULL, tskIDLE_PRIORITY, &CH4_xHandle);
     if (xReturned == errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY) {
         printf("CH4() Task Error!");
     }
@@ -137,11 +142,12 @@ int main(void)
     }
 
     // CO2
-    xReturned = xTaskCreate(CO2, "CO2 task", 1024, NULL, tskIDLE_PRIORITY, &CO2_xHandle);
+    xReturned = xTaskCreate(CO2, "CO2 task", 2048, NULL, tskIDLE_PRIORITY, &CO2_xHandle);
     if (xReturned == errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY) {
         printf("CO2() Task Error!");
     }
     
+
     vTaskStartScheduler();
     while (1) {};
     return 0;

SOFTWARE-FreeRTOS/Source/main.hpp

@@ -14,4 +14,6 @@
 #include "hardware/pwm.h"
 #include "hardware/adc.h"
 
+#define BUFER 256
+
 #endif