stm32f407发送陀螺仪数据到串口助手
时间: 2023-05-04 10:05:58 浏览: 111
STM32F407是一款先进的微控制器,它具有高性能、低功耗、丰富的接口和强大的处理能力。陀螺仪是一种能够检测方向、角速度、旋转角度等参数的仪器,具有广泛的应用。
要将STM32F407发送陀螺仪数据到串口助手,需要先初始化串口,并将陀螺仪数据读取并存储到一个数组中。然后利用串口发送数据函数send(),将数组中的数据逐个发送出去。
在代码实现方面,首先要引入串口库的头文件,并定义USART_TypeDef类型的结构体变量以及GPIO口(TX、RX引脚)。其次,要进行串口初始化,设置波特率、数据长度、停止位、校验位等参数。在main()函数中,定义一个数组用来存储陀螺仪数据,利用while(1)语句实现数据的读取和发送,具体代码实现如下:
```
#include "stm32f4xx.h"
#include "stm32f4xx_usart.h"
#define USARTx USART3
#define USARTx_IRQn USART3_IRQn
#define USARTx_IRQHandler USART3_IRQHandler
#define USARTx_CLK RCC_APB1Periph_USART3
#define USARTx_CLK_CMD RCC_APB1PeriphClockCmd
#define USARTx_TX_PIN GPIO_Pin_8
#define USARTx_TX_GPIO_PORT GPIOD
#define USARTx_TX_GPIO_CLK RCC_AHB1Periph_GPIOD
#define USARTx_TX_SOURCE GPIO_PinSource8
#define USARTx_TX_AF GPIO_AF_USART3
#define USARTx_RX_PIN GPIO_Pin_9
#define USARTx_RX_GPIO_PORT GPIOD
#define USARTx_RX_GPIO_CLK RCC_AHB1Periph_GPIOD
#define USARTx_RX_SOURCE GPIO_PinSource9
#define USARTx_RX_AF GPIO_AF_USART3
uint16_t gyroData[3];
USART_InitTypeDef USART_InitStructure;
void USART_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USARTx_CLK_CMD(USARTx_CLK, ENABLE);
RCC_AHB1PeriphClockCmd(USARTx_TX_GPIO_CLK | USARTx_RX_GPIO_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = USARTx_TX_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = USARTx_RX_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStructure);
GPIO_PinAFConfig(USARTx_TX_GPIO_PORT, USARTx_TX_SOURCE, USARTx_TX_AF);
GPIO_PinAFConfig(USARTx_RX_GPIO_PORT, USARTx_RX_SOURCE, USARTx_RX_AF);
USART_InitStructure.USART_BaudRate = 9600;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USARTx, &USART_InitStructure);
USART_ITConfig(USARTx, USART_IT_RXNE, ENABLE);
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = USARTx_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
USART_Cmd(USARTx, ENABLE);
}
void USARTx_IRQHandler(void)
{
static uint8_t RxBuffer[10];
static uint8_t RxCounter = 0;
if(USART_GetITStatus(USARTx, USART_IT_RXNE) != RESET)
{
RxBuffer[RxCounter++] = USART_ReceiveData(USARTx);
if(RxCounter == 10)
{
//处理接收到的数据
RxCounter = 0;
}
}
}
int main()
{
USART_Configuration();
while(1)
{
//读取陀螺仪数据
//将数据存储在gyroData数组中
//发送数据:USART_SendData(USARTx, data);
}
return 0;
}
```
以上就是将STM32F407发送陀螺仪数据到串口助手的实现过程,根据实际需求,我们可以根据以上代码进行修改和扩展。