stm32f103c8t6的esp8266代码

以下是基于STM32F103C8T6的ESP8266代码，使用了HAL库：

#include "main.h"
#include "stdio.h"
#include "string.h"

UART_HandleTypeDef huart1;

void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);

#define ESP8266_BAUDRATE    115200
#define ESP8266_RX_BUF_SIZE 50
#define ESP8266_TX_BUF_SIZE 50

uint8_t esp8266_rx_buf[ESP8266_RX_BUF_SIZE];
uint8_t esp8266_tx_buf[ESP8266_TX_BUF_SIZE];

void esp8266_send_cmd(char* cmd);
void esp8266_send_data(char* data);

int main(void)
{
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_USART1_UART_Init();

  while (1)
  {
    esp8266_send_cmd("AT\r\n");
    HAL_Delay(1000);

    esp8266_send_cmd("AT+RST\r\n");
    HAL_Delay(1000);

    esp8266_send_cmd("AT+CWMODE=1\r\n");
    HAL_Delay(1000);

    esp8266_send_cmd("AT+CWJAP=\"SSID\",\"PASSWORD\"\r\n");
    HAL_Delay(10000);

    esp8266_send_data("Hello, ESP8266!\r\n");
    HAL_Delay(1000);
  }
}

void esp8266_send_cmd(char* cmd)
{
  HAL_UART_Transmit(&huart1, (uint8_t*)cmd, strlen(cmd), 1000);
  HAL_UART_Receive(&huart1, esp8266_rx_buf, ESP8266_RX_BUF_SIZE, 1000);
  printf("%s", esp8266_rx_buf);
}

void esp8266_send_data(char* data)
{
  HAL_UART_Transmit(&huart1, (uint8_t*)data, strlen(data), 1000);
}

void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  /**Initializes the CPU, AHB and APB busses clocks 
  */
  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;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

  /**Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }

  /**Configure the Systick interrupt time 
  */
  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  /**Configure the Systick 
  */
  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

static void MX_USART1_UART_Init(void)
{
  huart1.Instance = USART1;
  huart1.Init.BaudRate = ESP8266_BAUDRATE;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    _Error_Handler(__FILE__, __LINE__);
  }
}

static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct;

  /* GPIO Ports Clock Enable */
  __HAL_RCC_GPIOC_CLK_ENABLE();
  __HAL_RCC_GPIOA_CLK_ENABLE();

  /*Configure GPIO pin Output Level */
  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_RESET);

  /*Configure GPIO pin : PC13 */
  GPIO_InitStruct.Pin = GPIO_PIN_13;
  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
}

void _Error_Handler(char * file, int line)
{
  while(1)
  {
  }
}

请注意，这里的代码只是一个简单的示例，你需要根据自己的需求进行修改和优化。同时，还需要将代码中的“SSID”和“PASSWORD”替换为你要连接的WiFi网络的名称和密码。