代码编辑器 — 嵌入式开发平台

✓ 编译通过

📁 Explorer WiFi气象站

📁 Core

◆ main.c edited

◆ stm32f1xx_it.c

◆ system_stm32f1xx.c

📁 Drivers

📁 DHT11

◆ dht11.c

◇ dht11.h

📁 SSD1306

◆ ssd1306.c

◇ ssd1306.h

📁 ESP8266

◆ esp8266.c

◇ esp8266.h

📁 App

◆ app_main.c

◆ sensor_task.c

◆ display_task.c

◆ wifi_task.c

📄 Makefile

📄 cproject.json

◆ main.c ×

◆ dht11.c ×

◆ app_main.c ×

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

/**
 * @file    main.c
 * @brief   WiFi气象站 - 主程序入口
 * @note    MCU: STM32F103C8T6 | 开发环境: Keil MDK
 * @author  嵌入式开发平台 自动生成
 * @date    2026-07-14
 *
 * @pinout
 *   PA2  → DHT11 DATA (单总线)
 *   PA9  → UART1 TX (调试串口)
 *   PA10 → UART1 RX (调试串口)
 *   PB6  → I2C1 SCL (OLED)
 *   PB7  → I2C1 SDA (OLED)
 *
 * @see STM32F103 Datasheet RM0008 Section 8.3
 */

#include "stm32f1xx_hal.h"
#include "dht11.h"
#include "ssd1306.h"
#include "esp8266.h"
#include "app_main.h"

/* 全局句柄 */
UART_HandleTypeDef huart1;
I2C_HandleTypeDef  hi2c1;

/**
 * @brief  系统时钟配置
 * @note   HSE 8MHz → PLL × 9 → SYSCLK 72MHz
 * @ref    RM0008 Section 7.3
 */
static void SystemClock_Config(void)
{
    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

    /* 配置 HSE + PLL */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    RCC_OscInitStruct.HSEState       = RCC_HSE_ON;
    RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
    RCC_OscInitStruct.PLL.PLLState   = RCC_PLL_ON;
    RCC_OscInitStruct.PLL.PLLSource  = RCC_PLLSOURCE_HSE;
    RCC_OscInitStruct.PLL.PLLMUL     = RCC_PLL_MUL9;
    HAL_RCC_OscConfig(&RCC_OscInitStruct);

    /* 配置系统时钟 72MHz */
    RCC_ClkInitStruct.ClockType      = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK;
    RCC_ClkInitStruct.SYSCLKSource   = RCC_SYSCLKSOURCE_PLLCLK;
    RCC_ClkInitStruct.AHBCLKDivider  = RCC_SYSCLK_DIV1;
    RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
    HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
}

/**
 * @brief  主函数
 * @retval int
 */
int main(void)
{
    /* HAL 初始化 */
    HAL_Init();
    SystemClock_Config();

    /* 外设初始化 */
    MX_USART1_UART_Init();
    MX_I2C1_Init();

    /* 应用初始化 */
    DHT11_Init();
    SSD1306_Init(&hi2c1);
    ESP8266_Init(&huart1);

    /* 启动应用 */
    App_Main_Start();

    while (1)
    {
        App_Main_Loop();
    }
}

/** * @file main.c * @brief WiFi气象站 - 主程序入口 * @note MCU: STM32F103C8T6 | 开发环境: Keil MDK * @author 嵌入式开发平台自动生成 * @date 2026-07-14 * * @pinout * PA2 → DHT11 DATA (单总线) * PA9 → UART1 TX (调试串口) * PA10 → UART1 RX (调试串口) * PB6 → I2C1 SCL (OLED) * PB7 → I2C1 SDA (OLED) * * @see STM32F103 Datasheet RM0008 Section 8.3 */ #include "stm32f1xx_hal.h" #include "dht11.h" #include "ssd1306.h" #include "esp8266.h" #include "app_main.h" /* 全局句柄 */ UART_HandleTypeDef huart1; I2C_HandleTypeDef hi2c1; /** * @brief 系统时钟配置 * @note HSE 8MHz → PLL × 9 → SYSCLK 72MHz * @ref RM0008 Section 7.3 */ static void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /* 配置 HSE + PLL */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9; HAL_RCC_OscConfig(&RCC_OscInitStruct); /* 配置系统时钟 72MHz */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1; HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2); } /** * @brief 主函数 * @retval int */ int main(void) { /* HAL 初始化 */ HAL_Init(); SystemClock_Config(); /* 外设初始化 */ MX_USART1_UART_Init(); MX_I2C1_Init(); /* 应用初始化 */ DHT11_Init(); SSD1306_Init(&hi2c1); ESP8266_Init(&huart1); /* 启动应用 */ App_Main_Start(); while (1) { App_Main_Loop(); } }

📌 Trace 3

⚠ Problems 0

■ Output

🔍

SystemClock_Config

HSE 8MHz → PLL × 9 = 72MHz SYSCLK, APB1 = 36MHz

RM0008 §7.3 L30-44

🔍

I2C_HandleTypeDef hi2c1

I2C1: PB6=SCL, PB7=SDA, 400kHz Fast Mode

RM0008 §27.4 L22

🔍

UART_HandleTypeDef huart1

USART1: PA9=TX, PA10=RX, 115200bps

RM0008 §29.5 L21

✓

Build Successful

2.4s ago

Target

芯片 STM32F103C8T6

编译器 arm-gcc 12.2

优化 -Os

耗时 2.4s

19%

Flash

16%

RAM

Flash 12.4 KB / 64 KB

RAM 3.2 KB / 20 KB

■ Build Log

$ arm-none-eabi-gcc -c main.c -o main.o

Compiling main.c... OK

$ arm-none-eabi-gcc -c dht11.c -o dht11.o

Compiling dht11.c... OK

$ arm-none-eabi-gcc -c ssd1306.c -o ssd1306.o

Compiling ssd1306.c... OK

$ arm-none-eabi-gcc -c esp8266.c -o esp8266.o

Compiling esp8266.c... OK

$ arm-none-eabi-gcc -c app_main.c -o app_main.o

Compiling app_main.c... OK

✓ 编译完成: 0 errors, 0 warnings

$ arm-none-eabi-size firmware.elf

text data bss dec hex

12418 128 3120 15666 3d32

✓ 固件生成: WiFi气象站_v1.0.hex

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