通过上位机给stm32串口1发送数据,并把接收数据通过串口2发出,并将串口2接收数据通过串口1传输出来
时间: 2024-01-01 22:03:44 浏览: 128
。ChitGPT:您的问题是如何将串口数据在STM32中进行转发? 您可以在STM32中使用中断来读取串口1的数据,并将数据存储在缓冲区中,然后将数据从缓冲区传输到串口2中。 同样,您可以使用中断从串口2读取数据,并将其存储在缓冲区中,然后将数据从缓冲区传输到串口1中。这种方法可以实现双向转发。需要注意的是,您还需要为每个串口配置正确的波特率、校验位等参数。
相关问题
通过上位机给stm32串口1发送数据,并把接收数据通过串口2发出,并将串口2接收数据通过串口1传输出来。用hal库开发,写出相关代码
好的,我了解了您的问题,以下是使用HAL库开发的代码,完成串口1发送数据,串口2接收并传输数据的功能:
```
#include "stm32f4xx_hal.h"
// 定义串口1、2句柄
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
// 定义接收缓冲区
char RxBuffer[1];
int main(void)
{
// 初始化HAL库
HAL_Init();
// 配置串口1
huart1.Instance = USART1;
huart1.Init.BaudRate = 9600;
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;
// 配置串口2
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;
// 初始化串口1、2
HAL_UART_Init(&huart1);
HAL_UART_Init(&huart2);
while (1)
{
// 从串口1接收数据
if (HAL_UART_Receive(&huart1, (uint8_t*)RxBuffer, 1, 100) == HAL_OK)
{
// 将接收到的数据通过串口2传输
HAL_UART_Transmit(&huart2, (uint8_t*)RxBuffer, 1, 100);
}
// 从串口2接收数据
if (HAL_UART_Receive(&huart2, (uint8_t*)RxBuffer, 1, 100) == HAL_OK)
{
// 将接收到的数据通过串口1传输
HAL_UART_Transmit(&huart1, (uint8_t*)RxBuffer, 1, 100);
}
}
}
```
需要注意的是,上述代码只是一个示例,具体的配置参数和调用方法可能因芯片或开发板不同而有所变化,具体实现时需根据实际情况进行调整。
通过上位机给stm32串口1发送数据,并把接收数据通过串口2发出,并将串口2接收数据通过串口2传输出来。用hal库开发,写出相关代码
好的,以下是相关代码:
```
#include "main.h"
#include "usart.h"
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
void SystemClock_Config(void);
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_USART1_UART_Init();
MX_USART2_UART_Init();
uint8_t sendData[] = "Hello, World!";
uint8_t receiveData[255];
while (1)
{
HAL_UART_Transmit(&huart1, sendData, sizeof(sendData), HAL_MAX_DELAY);
HAL_UART_Receive(&huart2, receiveData, sizeof(receiveData), HAL_MAX_DELAY);
HAL_UART_Transmit(&huart2, receiveData, sizeof(receiveData), HAL_MAX_DELAY);
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
Error_Handler();
}
}
void MX_USART1_UART_Init(void)
{
huart1.Instance = USART1;
huart1.Init.BaudRate = 9600;
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 Error_Handler(void)
{
__disable_irq();
while (1)
{
}
}
```
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