HAL库，stm32F429串口通信乱码

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楼主

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楼主 | 2018-7-14 19:02 | 只看该作者回帖奖励

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串口通信, STM32F429, pi, ni, USART

#include &quot;sys.h&quot;
#include &quot;delay.h&quot;

UART_HandleTypeDef USART1_Handler;

void USART1_Init()
{
USART1_Handler.Instance = USART1;
USART1_Handler.Init.BaudRate = 115200;
USART1_Handler.Init.WordLength = USART_WORDLENGTH_8B;
USART1_Handler.Init.StopBits = USART_STOPBITS_1;
USART1_Handler.Init.Parity = USART_PARITY_NONE;
USART1_Handler.Init.HwFlowCtl = UART_HWCONTROL_NONE;
USART1_Handler.Init.OverSampling = UART_OVERSAMPLING_16;
USART1_Handler.Init.Mode = USART_MODE_TX_RX;

HAL_UART_Init(&USART1_Handler);
}

void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef GPIO_Initure;

if(huart->Instance == USART1)
{
      __HAL_RCC_GPIOA_CLK_ENABLE();
      __HAL_RCC_USART1_CLK_ENABLE();

      GPIO_Initure.Pin = GPIO_PIN_9;
      GPIO_Initure.Mode = GPIO_MODE_AF_PP;
      GPIO_Initure.Pull = GPIO_PULLUP;
      GPIO_Initure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
      GPIO_Initure.Alternate = GPIO_AF7_USART1;
      HAL_GPIO_Init(GPIOA,&GPIO_Initure);

      GPIO_Initure.Pin = GPIO_PIN_10;
      HAL_GPIO_Init(GPIOA,&GPIO_Initure);
}
}

int main(void)
{
uint8_t buff[] = &quot;test&quot;;
HAL_Init();
Stm32_Clock_Init(360,25,2,8);
delay_init(180);
USART1_Init();

while(1)
{
      HAL_UART_Transmit(&USART1_Handler,buff,sizeof(buff),1000);
      delay_ms(300);
}
}

使用特权