stm32f103c8t6驱动esp8266转串口模块(二)——模块ap模式+tcp客户端的hal库驱动代

stm32f103c8t6驱动esp8266转串口模块（二）的模块ap模式的TCP客户端的HAL库驱动代代码如下：

#include <stdint.h>
#include <stdio.h>
#include "stm32f1xx_hal.h"

UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;

void MX_USART1_UART_Init(void)
{
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 115200;
  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();
  }
}

void MX_USART2_UART_Init(void)
{
  huart2.Instance = USART2;
  huart2.Init.BaudRate = 9600;
  huart2.Init.WordLength = UART_WORDLENGTH_8B;
  huart2.Init.StopBits = UART_STOPBITS_1;
  huart2.Init.Parity = UART_PARITY_NONE;
  huart2.Init.Mode = UART_MODE_TX_RX;
  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart2) != HAL_OK)
  {
    Error_Handler();
  }
}

void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};
  if(uartHandle->Instance==USART1)
  {
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_USART1_CLK_ENABLE();
    GPIO_InitStruct.Pin = GPIO_PIN_9;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    GPIO_InitStruct.Pin = GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  }
  else if(uartHandle->Instance==USART2)
  {
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_USART2_CLK_ENABLE();
    GPIO_InitStruct.Pin = GPIO_PIN_2;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    GPIO_InitStruct.Pin = GPIO_PIN_3;
    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  }
}

void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
    // Here you can handle the received data
    // For example, you can parse the incoming data, check for specific commands, etc.
    HAL_UART_Receive_IT(huart, rx_buffer, rx_buffer_size); // Start listening for the next data
}

void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
{
    // Here you can handle the completion of the transmission
}

void ESP8266_TCP_Connect(void)
{
  char at_cmd[100];
  sprintf(at_cmd, "AT+CWMODE=1\r\n");
  HAL_UART_Transmit(&huart1, (uint8_t*)at_cmd, strlen(at_cmd), 500);
  HAL_Delay(100);

  sprintf(at_cmd, "AT+CWJAP=\"SSID\",\"PASSWORD\"\r\n");
  HAL_UART_Transmit(&huart1, (uint8_t*)at_cmd, strlen(at_cmd), 500);
  HAL_Delay(2000);

  sprintf(at_cmd, "AT+CIPSTART=\"TCP\",\"DEST_IP\",DEST_PORT\r\n");
  HAL_UART_Transmit(&huart1, (uint8_t*)at_cmd, strlen(at_cmd), 500);
  HAL_Delay(2000);
}

int main(void)
{
  HAL_Init();
  MX_USART1_UART_Init();
  MX_USART2_UART_Init();

  HAL_UART_Receive_IT(&huart2, rx_buffer, rx_buffer_size); // Start listening for data on UART2

  ESP8266_TCP_Connect();

  while (1)
  {
    // Main program loop
  }
}

以上代码演示了使用stm32f103c8t6驱动esp8266转串口模块（二）上的用于模块AP模式的TCP客户端的HAL库驱动代代码。此代码的主要功能是通过STM32的串口与esp8266模块进行通信，建立TCP连接并发送命令。