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SOFTWARE-FreeRTOS/Source/main.c

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+/* Scheduler include files. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "semphr.h"
+
+/* Standard demo includes. */
+#include "TimerDemo.h"
+#include "QueueOverwrite.h"
+#include "EventGroupsDemo.h"
+#include "IntSemTest.h"
+#include "TaskNotify.h"
+
+#include "MAIN.h"
+#include "lwipopts.h"
+#include "common.h"
+
+#ifndef PICO_DEFAULT_LED_PIN
+    #warning pio/hello_pio example requires a board with a regular LED
+    #define PICO_DEFAULT_LED_PIN 25
+#endif
+
+void Led_Blinky(void *pvParameters)
+{
+    (void)pvParameters;
+
+    const uint LED_PIN = PICO_DEFAULT_LED_PIN;
+    gpio_init(LED_PIN);
+    gpio_set_dir(LED_PIN, GPIO_OUT);
+    
+    _printTaskStackHighWaterMark();
+
+    while (1) {
+        vTaskDelay(pdMS_TO_TICKS(500));
+        gpio_put(LED_PIN, 1);
+        
+        vTaskDelay(pdMS_TO_TICKS(500));
+        gpio_put(LED_PIN, 0);
+        
+        _printTaskStackHighWaterMark();
+    }
+}
+
+void Read_Onboard_Temperature(void *pvParameters)
+{
+    (void)pvParameters;
+
+    adc_init();
+    adc_set_temp_sensor_enabled(true);
+    adc_select_input(4);        // Input 4 is the onboard temperature sensor.
+    
+    //_printTaskStackHighWaterMark();
+
+    while (1) {
+        const float conversionFactor = 3.3f / (1 << 12);
+
+        float adc = (float)adc_read() * conversionFactor;
+        float tempC = 27.0f - (adc - 0.706f) / 0.001721f;
+
+        printf("Onboard temperature %.02f°C %.02f°F\n", tempC, (tempC * 9 / 5 + 32));
+        
+        //_printTaskStackHighWaterMark();
+        
+        vTaskDelay(pdMS_TO_TICKS(3000)); // 非阻塞延时
+    }
+}
+
+int main(void)
+{
+    stdio_init_all();
+    sleep_ms(1000);
+    //set_sys_clock_khz(250000, true);
+
+    BaseType_t xReturned;
+    TaskHandle_t Led_Blinky_xHandle = NULL;
+
+    // 板载LED闪烁
+    xReturned = xTaskCreate(Led_Blinky, "Blinky task", 512, NULL, tskIDLE_PRIORITY, &Led_Blinky_xHandle);
+    if (xReturned == errCOULD_NOT_ALLOCATE_REQUIRED_MEMORY)
+    {
+        printf("Blinky Task Error!");
+    }
+
+    vTaskStartScheduler();
+
+    return 0;
+}