stm32mpu6050实现代码
时间: 2023-09-15 08:15:12 浏览: 93
MPU6050六轴传感器在STM32上实现代码.rar_mpu6050 stm32_mpu6050 stm32f407_mpu6
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下面是一份使用STM32与MPU6050进行通信的示例代码,仅供参考:
```
#include "stm32f10x.h"
#include "I2C.h"
#define MPU6050_ADDRESS 0xD0
#define MPU6050_SMPLRT_DIV 0x19
#define MPU6050_CONFIG 0x1A
#define MPU6050_GYRO_CONFIG 0x1B
#define MPU6050_ACCEL_CONFIG 0x1C
#define MPU6050_WHO_AM_I 0x75
#define MPU6050_PWR_MGMT_1 0x6B
#define MPU6050_TEMP_OUT_H 0x41
#define MPU6050_TEMP_OUT_L 0x42
#define MPU6050_ACCEL_XOUT_H 0x3B
#define MPU6050_ACCEL_XOUT_L 0x3C
#define MPU6050_ACCEL_YOUT_H 0x3D
#define MPU6050_ACCEL_YOUT_L 0x3E
#define MPU6050_ACCEL_ZOUT_H 0x3F
#define MPU6050_ACCEL_ZOUT_L 0x40
#define MPU6050_GYRO_XOUT_H 0x43
#define MPU6050_GYRO_XOUT_L 0x44
#define MPU6050_GYRO_YOUT_H 0x45
#define MPU6050_GYRO_YOUT_L 0x46
#define MPU6050_GYRO_ZOUT_H 0x47
#define MPU6050_GYRO_ZOUT_L 0x48
#define MPU6050_SDA_GPIO GPIOB
#define MPU6050_SDA_PIN GPIO_Pin_7
#define MPU6050_SCL_GPIO GPIOB
#define MPU6050_SCL_PIN GPIO_Pin_6
void Delay(__IO uint32_t nCount);
int main(void)
{
I2C_InitTypeDef I2C_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure I2C1 pins: SCL and SDA */
GPIO_InitStructure.GPIO_Pin = MPU6050_SCL_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_OD;
GPIO_Init(MPU6050_SCL_GPIO, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = MPU6050_SDA_PIN;
GPIO_Init(MPU6050_SDA_GPIO, &GPIO_InitStructure);
I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;
I2C_InitStructure.I2C_DutyCycle = I2C_DutyCycle_2;
I2C_InitStructure.I2C_OwnAddress1 = 0xA0;
I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;
I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;
I2C_InitStructure.I2C_ClockSpeed = 100000;
I2C_Init(I2C1, &I2C_InitStructure);
I2C_Cmd(I2C1, ENABLE);
while(1)
{
unsigned char WHO_AM_I;
I2C_Read(MPU6050_ADDRESS, MPU6050_WHO_AM_I, &WHO_AM_I, 1);
if(WHO_AM_I == 0x68)
{
// MPU6050 has been found
break;
}
Delay(100);
}
// configure MPU6050
I2C_Write(MPU6050_ADDRESS, MPU6050_PWR_MGMT_1, 0x00);
I2C_Write(MPU6050_ADDRESS, MPU6050_SMPLRT_DIV, 0x07);
I2C_Write(MPU6050_ADDRESS, MPU6050_CONFIG, 0x06);
I2C_Write(MPU6050_ADDRESS, MPU6050_GYRO_CONFIG, 0x18);
I2C_Write(MPU6050_ADDRESS, MPU6050_ACCEL_CONFIG, 0x01);
while(1)
{
// read accelerometer data
unsigned char buffer[6];
I2C_Read(MPU6050_ADDRESS, MPU6050_ACCEL_XOUT_H, buffer, 6);
short ax = (buffer[0] << 8) | buffer[1];
short ay = (buffer[2] << 8) | buffer[3];
short az = (buffer[4] << 8) | buffer[5];
// read temperature data
I2C_Read(MPU6050_ADDRESS, MPU6050_TEMP_OUT_H, buffer, 2);
short temp = (buffer[0] << 8) | buffer[1];
// read gyroscope data
I2C_Read(MPU6050_ADDRESS, MPU6050_GYRO_XOUT_H, buffer, 6);
short gx = (buffer[0] << 8) | buffer[1];
short gy = (buffer[2] << 8) | buffer[3];
short gz = (buffer[4] << 8) | buffer[5];
// do something with the data
Delay(50);
}
}
void Delay(__IO uint32_t nCount)
{
__IO uint32_t index = 0;
for(index = (100000 * nCount); index != 0; index--)
{
}
}
```
在这个示例代码中,我们使用了一个简单的I2C库,其中包含了I2C的读写函数。如果你需要使用不同的I2C库,那么需要根据库文档来编写相应的函数。
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