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发表于 2020-4-6 12:12:34
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原贴参考:https://www.amobbs.com/thread-5627630-1-1.html
#ifndef _BBA_DRI_MPU9250_H__
#define _BBA_DRI_MPU9250_H__
#include "main.h"
#include "BBA_Typedef.h"
#include "BBA_Dri_Timer.h"
/*====================================================================================================*/
/*====================================================================================================*/
/*
| | ACCELEROMETER | GYROSCOPE |
| LPF | BandW | Delay | Sample | BandW | Delay | Sample |
+-----+-------+--------+--------+-------+--------+--------+
| 0 | 260Hz | 0ms | 1kHz | 256Hz | 0.98ms | 8kHz |
| 1 | 184Hz | 2.0ms | 1kHz | 188Hz | 1.9ms | 1kHz |
| 2 | 94Hz | 3.0ms | 1kHz | 98Hz | 2.8ms | 1kHz |
| 3 | 44Hz | 4.9ms | 1kHz | 42Hz | 4.8ms | 1kHz |
| 4 | 21Hz | 8.5ms | 1kHz | 20Hz | 8.3ms | 1kHz |
| 5 | 10Hz | 13.8ms | 1kHz | 10Hz | 13.4ms | 1kHz |
| 6 | 5Hz | 19.0ms | 1kHz | 5Hz | 18.6ms | 1kHz |
| 7 | -- Reserved -- | 1kHz | -- Reserved -- | 8kHz |
*/
//typedef enum {
// MPU_LPS_256Hz = 0x00,
// MPU_LPS_188Hz = 0x01,
// MPU_LPS_98Hz = 0x02,
// MPU_LPS_42Hz = 0x03,
// MPU_LPS_20Hz = 0x04,
// MPU_LPS_10Hz = 0x05,
// MPU_LPS_5Hz = 0x06,
// MPU_LPS_Disable = 0x07,
//} MPU_LPF_TypeDef;
//typedef enum {
// MPU_GyrFS_250dps = 0x00,
// MPU_GyrFS_500dps = 0x08,
// MPU_GyrFS_1000dps = 0x10,
// MPU_GyrFS_2000dps = 0x18
//} MPU_GyrFS_TypeDef;
//typedef enum {
// MPU_AccFS_2g = 0x00,
// MPU_AccFS_4g = 0x08,
// MPU_AccFS_8g = 0x10,
// MPU_AccFS_16g = 0x18
//} MPU_AccFS_TypeDef;
//typedef struct {
// MPU_LPF_TypeDef MPU_LowPassFilter;
// MPU_GyrFS_TypeDef MPU_Gyr_FullScale;
// MPU_AccFS_TypeDef MPU_Acc_FullScale;
//} MPU_InitTypeDef;
/* ---- Sensitivity --------------------------------------------------------- */
#define MPU9250A_2g ((fp32)0.000061035156f) // 0.000061035156 g/LSB
#define MPU9250A_4g ((fp32)0.000122070312f) // 0.000122070312 g/LSB
#define MPU9250A_8g ((fp32)0.000244140625f) // 0.000244140625 g/LSB
#define MPU9250A_16g ((fp32)0.000488281250f) // 0.000488281250 g/LSB
#define MPU9250G_250dps ((fp32)0.007633587786f) // 0.007633587786 dps/LSB
#define MPU9250G_500dps ((fp32)0.015267175572f) // 0.015267175572 dps/LSB
#define MPU9250G_1000dps ((fp32)0.030487804878f) // 0.030487804878 dps/LSB
#define MPU9250G_2000dps ((fp32)0.060975609756f) // 0.060975609756 dps/LSB
#define MPU9250M_4800uT ((fp32)0.6f) // 0.6 uT/LSB
#define MPU9250T_85degC ((fp32)0.002995177763f) // 0.002995177763 degC/LSB
/* ---- MPU6500 Reg In MPU9250 ---------------------------------------------- */
#define MPU6500_I2C_ADDR ((uint8)0xD0)
#define MPU6500_Device_ID ((uint8)0x71) //BBA_Check
#define MPU6500_SELF_TEST_XG ((uint8)0x00)
#define MPU6500_SELF_TEST_YG ((uint8)0x01)
#define MPU6500_SELF_TEST_ZG ((uint8)0x02)
#define MPU6500_SELF_TEST_XA ((uint8)0x0D)
#define MPU6500_SELF_TEST_YA ((uint8)0x0E)
#define MPU6500_SELF_TEST_ZA ((uint8)0x0F)
#define MPU6500_XG_OFFSET_H ((uint8)0x13)
#define MPU6500_XG_OFFSET_L ((uint8)0x14)
#define MPU6500_YG_OFFSET_H ((uint8)0x15)
#define MPU6500_YG_OFFSET_L ((uint8)0x16)
#define MPU6500_ZG_OFFSET_H ((uint8)0x17)
#define MPU6500_ZG_OFFSET_L ((uint8)0x18)
#define MPU6500_SMPLRT_DIV ((uint8)0x19)
#define MPU6500_CONFIG ((uint8)0x1A)
#define MPU6500_GYRO_CONFIG ((uint8)0x1B)
#define MPU6500_ACCEL_CONFIG ((uint8)0x1C)
#define MPU6500_ACCEL_CONFIG_2 ((uint8)0x1D)
#define MPU6500_LP_ACCEL_ODR ((uint8)0x1E)
#define MPU6500_MOT_THR ((uint8)0x1F)
#define MPU6500_FIFO_EN ((uint8)0x23)
#define MPU6500_I2C_MST_CTRL ((uint8)0x24)
#define MPU6500_I2C_SLV0_ADDR ((uint8)0x25)
#define MPU6500_I2C_SLV0_REG ((uint8)0x26)
#define MPU6500_I2C_SLV0_CTRL ((uint8)0x27)
#define MPU6500_I2C_SLV1_ADDR ((uint8)0x28)
#define MPU6500_I2C_SLV1_REG ((uint8)0x29)
#define MPU6500_I2C_SLV1_CTRL ((uint8)0x2A)
#define MPU6500_I2C_SLV2_ADDR ((uint8)0x2B)
#define MPU6500_I2C_SLV2_REG ((uint8)0x2C)
#define MPU6500_I2C_SLV2_CTRL ((uint8)0x2D)
#define MPU6500_I2C_SLV3_ADDR ((uint8)0x2E)
#define MPU6500_I2C_SLV3_REG ((uint8)0x2F)
#define MPU6500_I2C_SLV3_CTRL ((uint8)0x30)
#define MPU6500_I2C_SLV4_ADDR ((uint8)0x31)
#define MPU6500_I2C_SLV4_REG ((uint8)0x32)
#define MPU6500_I2C_SLV4_DO ((uint8)0x33)
#define MPU6500_I2C_SLV4_CTRL ((uint8)0x34)
#define MPU6500_I2C_SLV4_DI ((uint8)0x35)
#define MPU6500_I2C_MST_STATUS ((uint8)0x36)
#define MPU6500_INT_PIN_CFG ((uint8)0x37)
#define MPU6500_INT_ENABLE ((uint8)0x38)
#define MPU6500_INT_STATUS ((uint8)0x3A)
#define MPU6500_ACCEL_XOUT_H ((uint8)0x3B)
#define MPU6500_ACCEL_XOUT_L ((uint8)0x3C)
#define MPU6500_ACCEL_YOUT_H ((uint8)0x3D)
#define MPU6500_ACCEL_YOUT_L ((uint8)0x3E)
#define MPU6500_ACCEL_ZOUT_H ((uint8)0x3F)
#define MPU6500_ACCEL_ZOUT_L ((uint8)0x40)
#define MPU6500_TEMP_OUT_H ((uint8)0x41)
#define MPU6500_TEMP_OUT_L ((uint8)0x42)
#define MPU6500_GYRO_XOUT_H ((uint8)0x43)
#define MPU6500_GYRO_XOUT_L ((uint8)0x44)
#define MPU6500_GYRO_YOUT_H ((uint8)0x45)
#define MPU6500_GYRO_YOUT_L ((uint8)0x46)
#define MPU6500_GYRO_ZOUT_H ((uint8)0x47)
#define MPU6500_GYRO_ZOUT_L ((uint8)0x48)
#define MPU6500_EXT_SENS_DATA_00 ((uint8)0x49)
#define MPU6500_EXT_SENS_DATA_01 ((uint8)0x4A)
#define MPU6500_EXT_SENS_DATA_02 ((uint8)0x4B)
#define MPU6500_EXT_SENS_DATA_03 ((uint8)0x4C)
#define MPU6500_EXT_SENS_DATA_04 ((uint8)0x4D)
#define MPU6500_EXT_SENS_DATA_05 ((uint8)0x4E)
#define MPU6500_EXT_SENS_DATA_06 ((uint8)0x4F)
#define MPU6500_EXT_SENS_DATA_07 ((uint8)0x50)
#define MPU6500_EXT_SENS_DATA_08 ((uint8)0x51)
#define MPU6500_EXT_SENS_DATA_09 ((uint8)0x52)
#define MPU6500_EXT_SENS_DATA_10 ((uint8)0x53)
#define MPU6500_EXT_SENS_DATA_11 ((uint8)0x54)
#define MPU6500_EXT_SENS_DATA_12 ((uint8)0x55)
#define MPU6500_EXT_SENS_DATA_13 ((uint8)0x56)
#define MPU6500_EXT_SENS_DATA_14 ((uint8)0x57)
#define MPU6500_EXT_SENS_DATA_15 ((uint8)0x58)
#define MPU6500_EXT_SENS_DATA_16 ((uint8)0x59)
#define MPU6500_EXT_SENS_DATA_17 ((uint8)0x5A)
#define MPU6500_EXT_SENS_DATA_18 ((uint8)0x5B)
#define MPU6500_EXT_SENS_DATA_19 ((uint8)0x5C)
#define MPU6500_EXT_SENS_DATA_20 ((uint8)0x5D)
#define MPU6500_EXT_SENS_DATA_21 ((uint8)0x5E)
#define MPU6500_EXT_SENS_DATA_22 ((uint8)0x5F)
#define MPU6500_EXT_SENS_DATA_23 ((uint8)0x60)
#define MPU6500_I2C_SLV0_DO ((uint8)0x63)
#define MPU6500_I2C_SLV1_DO ((uint8)0x64)
#define MPU6500_I2C_SLV2_DO ((uint8)0x65)
#define MPU6500_I2C_SLV3_DO ((uint8)0x66)
#define MPU6500_I2C_MST_DELAY_CTRL ((uint8)0x67)
#define MPU6500_SIGNAL_PATH_RESET ((uint8)0x68)
#define MPU6500_MOT_DETECT_CTRL ((uint8)0x69)
#define MPU6500_USER_CTRL ((uint8)0x6A)
#define MPU6500_PWR_MGMT_1 ((uint8)0x6B)
#define MPU6500_PWR_MGMT_2 ((uint8)0x6C)
#define MPU6500_FIFO_COUNTH ((uint8)0x72)
#define MPU6500_FIFO_COUNTL ((uint8)0x73)
#define MPU6500_FIFO_R_W ((uint8)0x74)
#define MPU6500_WHO_AM_I ((uint8)0x75) // ID = 0x71 In MPU9250
#define MPU6500_XA_OFFSET_H ((uint8)0x77)
#define MPU6500_XA_OFFSET_L ((uint8)0x78)
#define MPU6500_YA_OFFSET_H ((uint8)0x7A)
#define MPU6500_YA_OFFSET_L ((uint8)0x7B)
#define MPU6500_ZA_OFFSET_H ((uint8)0x7D)
#define MPU6500_ZA_OFFSET_L ((uint8)0x7E)
/* ---- AK8963 Reg In MPU9250 ----------------------------------------------- */
#define AK8963_I2C_ADDR ((uint8)0x0C)//BBA原来0x18 有0x0C的
#define AK8963_Device_ID ((uint8)0x48)//BBA_Check
// Read-only Reg
#define AK8963_WIA ((uint8)0x00)
#define AK8963_INFO ((uint8)0x01)
#define AK8963_ST1 ((uint8)0x02)
#define AK8963_ST1_DOR ((uint8)0x02)
#define AK8963_HXL ((uint8)0x03)
#define AK8963_HXH ((uint8)0x04)
#define AK8963_HYL ((uint8)0x05)
#define AK8963_HYH ((uint8)0x06)
#define AK8963_HZL ((uint8)0x07)
#define AK8963_HZH ((uint8)0x08)
#define AK8963_ST2 ((uint8)0x09)
#define AK8963_ST2_HOFL ((uint8)0x08)
// Write/Read Reg
#define AK8963_CNTL1 ((uint8)0x0A)
#define AK8963_CNTL2 ((uint8)0x0B)
#define AK8963_CNTL2_SRST ((uint8)0x01)
#define AK8963_ASTC ((uint8)0x0C)
#define AK8963_TS1 ((uint8)0x0D)
#define AK8963_TS2 ((uint8)0x0E)
#define AK8963_I2CDIS ((uint8)0x0F)
// Read-only Reg ( ROM )
#define AK8963_ASAX ((uint8)0x10)
#define AK8963_ASAY ((uint8)0x11)
#define AK8963_ASAZ ((uint8)0x12)
/*====================================================================================================*/
/*====================================================================================================*/
uint8 SPI_RW(uint8 TxData);
uint8 MPU9250_ReadReg( uint8 ReadAddr);
void MPU9250_WriteReg( uint8 WriteAddr, uint8 WriteData );
void MPU9250_ReadRegs( uint8 ReadAddr, uint8 *ReadBuf, uint8 Bytes );
void MPU9250_MAG_I2C_Write(uint8 reg,uint8 value);
uint8 MPU9250_MAG_I2C_Read(uint8 reg);
void MPU9250_AK8963_Read();
void Init_MPU9250();
uint8 MPU9250_Check_MPU6500_ID();
uint8 MPU9250_Check_AK8963_ID();
#endif
#include "BBA_Dri_MPU9250.h"
#include "BBA_Dri_Debug.h"
#include "main.h"
#include <string.h>
#define SPIx SPI3
#define IMU_ENABLE() LL_GPIO_ResetOutputPin(GPIOB, LL_GPIO_PIN_6);
#define IMU_DISABLE() LL_GPIO_SetOutputPin(GPIOB, LL_GPIO_PIN_6);
#define MPU9250_InitRegNum 10
uint8 SPI_RW(uint8 TxData);
uint8 MPU9250_ReadReg( uint8 ReadAddr);
void MPU9250_WriteReg( uint8 WriteAddr, uint8 WriteData );
void MPU9250_ReadRegs( uint8 ReadAddr, uint8 *ReadBuf, uint8 Bytes );
void MPU9250_MAG_I2C_Write(uint8 reg,uint8 value);
uint8 MPU9250_MAG_I2C_Read(uint8 reg);
void READ_MPU9250_MAG(uint32 *Mag);
void Init_MPU9250();
void Init_MPU9250(void)
{
IMU_DISABLE();
LL_GPIO_SetOutputPin(GPIOB, LL_GPIO_PIN_7);//必须禁止MS5611,否则同时与两个传感器通讯
MPU9250_WriteReg(MPU6500_PWR_MGMT_1, 0x80); //解除休眠状态
WaitSysTimeBlock(1,UINT_MS);
//MPU9250_WriteReg(MPU6500_PWR_MGMT_1, 0x01); //时钟选择
//WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_USER_CTRL ,0x30); //I2C_MST _EN , I2C_IF_DIS
WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_PWR_MGMT_2 ,0x00);//Enable Acc & Gyro
//WaitSysTimeBlock(1,UINT_MS);
// //将MPU9250的内部时钟分频,用来作为fifo和IIC Master自动搬运外部iic(包括AK8963)数据到EXT_SENS_DATA_xx的频率
// MPU9250_WriteReg(MPU6500_SMPLRT_DIV ,0x0f);//
// WaitSysTimeBlock(1,UINT_MS);
//
// //bit0:When enabled, slave 0 will only be accessed 1+I2C_MST_DLY) samples as determined by SMPLRT_DIV and DLPF_CFG
// MPU9250_WriteReg(MPU6500_I2C_MST_DELAY_CTRL ,0x00);//
// WaitSysTimeBlock(1,UINT_MS);
//陀螺仪采样率和量程
MPU9250_WriteReg(MPU6500_CONFIG ,0x07); // DLPF_CFG[2:0] = 111(低通滤波);
//WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_GYRO_CONFIG ,0x18); // +-2000dps
//WaitSysTimeBlock(1,UINT_MS);
//加速度计采样率和量程
MPU9250_WriteReg(MPU6500_ACCEL_CONFIG ,0x08); // +-4G
//WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_ACCEL_CONFIG_2 ,0x48); // Set Acc Data Rates
//WaitSysTimeBlock(1,UINT_MS);
//如果读操作完成,则清除中断状态
MPU9250_WriteReg(MPU6500_INT_PIN_CFG ,0x10); // Set INT_ANYRD_2CLEAR
//WaitSysTimeBlock(1,UINT_MS);
//使能 fifo 溢出中断
MPU9250_WriteReg(MPU6500_INT_ENABLE ,0x10);
WaitSysTimeBlock(1,UINT_MS);
//选择Master iic时钟,4:iic延时,D:400KHZ,分频后的iic时钟频率
MPU9250_WriteReg(MPU6500_I2C_MST_CTRL ,0x0D);
WaitSysTimeBlock(1,UINT_MS);
MPU9250_MAG_I2C_Write(AK8963_CNTL2,0x01); // Reset AK8963
WaitSysTimeBlock(1,UINT_MS);
//bit4:0输出14位,1输出16位,bit0~3:模式选择,0x06:连续测量模式2
//bit0~3:0x02的话是连续模式1,与模式2的区别是模式1采样率为8HZ,模式2是200HZ
MPU9250_MAG_I2C_Write(AK8963_CNTL1,0x16); // use i2c to set AK8963 working on Continuous measurement mode1 & 16-bit output
WaitSysTimeBlock(1,UINT_MS);
//IIC Master 要去读的从机寄存器起始地址
MPU9250_WriteReg(MPU6500_I2C_SLV0_REG, AK8963_HXL);
WaitSysTimeBlock(1,UINT_MS);
//IIC Master 要去读的实际从机地址
MPU9250_WriteReg(MPU6500_I2C_SLV0_ADDR, AK8963_I2C_ADDR | 0x80);
WaitSysTimeBlock(1,UINT_MS);
//IIC Master 要去读的从机寄存器个数(由起始地址按顺序读)
//bit7:Enable slv0,bit0~3:读取的数据长度
MPU9250_WriteReg(MPU6500_I2C_SLV0_CTRL, 0x80 | 7);
WaitSysTimeBlock(1,UINT_MS);
}
uint8 SPI_RW(uint8 TxData)
{
uint8 temp=0;
while(!LL_SPI_IsActiveFlag_TXE(SPIx))
{
//当发送寄存器非空时,一直循环
}
LL_SPI_TransmitData8(SPIx,TxData);
while(!LL_SPI_IsActiveFlag_RXNE(SPIx))
{
//当接收FIFO小于1/4*32时,一直循环
}
return LL_SPI_ReceiveData8(SPIx);//读取一个8位数据
}
uint8 MPU9250_ReadReg( uint8 ReadAddr)
{
uint8 readResult;
IMU_ENABLE();
SPI_RW(0x80 | ReadAddr);
readResult = SPI_RW(0xFF);
IMU_DISABLE();
return readResult;
}
void MPU9250_WriteReg( uint8 WriteAddr, uint8 WriteData )
{
IMU_ENABLE();
SPI_RW(WriteAddr);
SPI_RW(WriteData);
IMU_DISABLE();
}
void MPU9250_ReadRegs( uint8 ReadAddr, uint8 *ReadBuf, uint8 Bytes )
{
uint8 i = 0;
IMU_ENABLE();
SPI_RW(0x80 | ReadAddr);
for(i=0; i<Bytes; i++)
{
ReadBuf = SPI_RW(0xFF);
}
IMU_DISABLE();
}
void MPU9250_MAG_I2C_Write(uint8 WriteAddr,uint8 WriteData)
{
uint8_t timeout = 0;
uint8_t status = 0;
MPU9250_WriteReg(MPU6500_I2C_SLV4_REG, WriteAddr);
WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_I2C_SLV4_ADDR, AK8963_I2C_ADDR);
WaitSysTimeBlock(1,UINT_MS);
//当写数据到iic设备寄存器时,DO寄存器就用来存储要写的数据
MPU9250_WriteReg(MPU6500_I2C_SLV4_DO, WriteData);
WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_I2C_SLV4_CTRL, 0x80);
WaitSysTimeBlock(1,UINT_MS);
// do {
// status=MPU9250_ReadReg(MPU6500_I2C_MST_STATUS);
// //timeout++;
// } while(((status & 0x40) == 0));
//WaitSysTimeBlock(1,UINT_MS);
}
uint8 MPU9250_MAG_I2C_Read(uint8 reg)
{
uint8 readResult;
uint8 status = 0;
uint8 timeout = 0;
MPU9250_WriteReg(MPU6500_I2C_SLV4_REG ,reg);// set reg addr
WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_I2C_SLV4_ADDR ,AK8963_I2C_ADDR|0x80); //设置磁力计地址,mode:read
WaitSysTimeBlock(1,UINT_MS);
MPU9250_WriteReg(MPU6500_I2C_SLV4_CTRL, 0x80);
WaitSysTimeBlock(1,UINT_MS);
// do {
// //WaitSysTimeBlock(1,UINT_MS);
// status=MPU9250_ReadReg(MPU6500_I2C_MST_STATUS);
// //timeout++;
//
// } while(((status & 0x40) == 0));
//WaitSysTimeBlock(1,UINT_MS);
//当读取iic设备数据时,,DI寄存器就用来存储设备发回来的数据(注意:slv0~3的回传数据寄存器是EXT_SENS_DATA_xx)
readResult=MPU9250_ReadReg(MPU6500_I2C_SLV4_DI);
WaitSysTimeBlock(1,UINT_MS);
return readResult;
}
uint8 MPU9250_Check_MPU6500_ID( void )
{
uint8 DeviceID;
/* MPU6500 */
DeviceID=MPU9250_ReadReg(MPU6500_WHO_AM_I);
return DeviceID;
}
uint8 MPU9250_Check_AK8963_ID()
{
uint8 DeviceID=0x00;
DeviceID=MPU9250_MAG_I2C_Read(AK8963_WIA);
return DeviceID;
}
void MPU9250_AK8963_Read()
{
extern uint8 mpu9250MagBuffer[];
memset(mpu9250MagBuffer,0x00,12);
mpu9250MagBuffer[0]=MPU9250_MAG_I2C_Read(AK8963_ASAX);// X轴灵敏度调整值
mpu9250MagBuffer[1]=MPU9250_MAG_I2C_Read(AK8963_ASAY);
mpu9250MagBuffer[2]=MPU9250_MAG_I2C_Read(AK8963_ASAZ);
mpu9250MagBuffer[3]=MPU9250_MAG_I2C_Read(AK8963_ST1);
//if((mpu9250MagBuffer[3]&0x01)==1)//data ready
{
//mpu9250MagBuffer[5]=MPU9250_MAG_I2C_Read(AK8963_HXL);
//mpu9250MagBuffer[4]=MPU9250_MAG_I2C_Read(AK8963_ST2);
//if(
mpu9250MagBuffer[5]=MPU9250_MAG_I2C_Read(AK8963_HXL);
mpu9250MagBuffer[6]=MPU9250_MAG_I2C_Read(AK8963_HXH);
mpu9250MagBuffer[7]=MPU9250_MAG_I2C_Read(AK8963_HYL);
mpu9250MagBuffer[8]=MPU9250_MAG_I2C_Read(AK8963_HYH);
mpu9250MagBuffer[9]=MPU9250_MAG_I2C_Read(AK8963_HZL);
mpu9250MagBuffer[10]=MPU9250_MAG_I2C_Read(AK8963_HZH);
//mpu9250MagBuffer[11]=MPU9250_MAG_I2C_Read(AK8963_HXL);
//mpu9250MagBuffer[5]=MPU9250_MAG_I2C_Read(AK8963_HXL);
//mpu9250MagBuffer[5]=MPU9250_MAG_I2C_Read(AK8963_WIA);
//mpu9250MagBuffer[6]=MPU9250_MAG_I2C_Read(AK8963_CNTL1)<<8;
}
//mpu9250MagBuffer[11]=MPU9250_MAG_I2C_Read(AK8963_ST2);
}
void MPU9250_Read( uint8 *ReadBuf )
{
MPU9250_ReadRegs(MPU6500_ACCEL_XOUT_H, ReadBuf, 20);
}
调用:
Init_MPU9250();
MPU9250_Read(mpu9250Buffer);
sprintf((char *)sendBuffer,"ax:%d,ay:%d,az:%d,\
temperature:%d,\
gx:%d,gy:%d,gz:%d,\
AK8963_ID:0x%02X,mx:%d,my:%d,mz:%d",
(int16)(mpu9250Buffer[0]<<8|mpu9250Buffer[1]),
(int16)(mpu9250Buffer[2]<<8|mpu9250Buffer[3]),
(int16)(mpu9250Buffer[4]<<8|mpu9250Buffer[5]),
(int16)(mpu9250Buffer[6]<<8|mpu9250Buffer[7]),
(int16)(mpu9250Buffer[8]<<8|mpu9250Buffer[9]),
(int16)(mpu9250Buffer[10]<<8|mpu9250Buffer[11]),
(int16)(mpu9250Buffer[12]<<8|mpu9250Buffer[13]),
(uint8) AK8963_ID,
(int16)(mpu9250Buffer[15]<<8|mpu9250Buffer[14]),
(int16)(mpu9250Buffer[17]<<8|mpu9250Buffer[16]),
(int16)(mpu9250Buffer[19]<<8|mpu9250Buffer[18]));
BBA_DEBUG_TX(sendBuffer,strlen(sendBuffer));
输出:
[12:12:20.996]收←◆ax:12060,ay:-884,az:10284,temperature:2208,gx:138,gy:64,gz:148,AK8963_ID:0x00,mx:403,my:-63,mz:-225
[12:12:21.196]收←◆ax:12148,ay:-980,az:10356,temperature:2240,gx:159,gy:73,gz:133,AK8963_ID:0x00,mx:412,my:-64,mz:-224
[12:12:21.396]收←◆ax:12112,ay:-896,az:10340,temperature:2144,gx:173,gy:102,gz:166,AK8963_ID:0x00,mx:408,my:-70,mz:-228
[12:12:21.595]收←◆ax:12096,ay:-840,az:10284,temperature:2192,gx:191,gy:90,gz:161,AK8963_ID:0x00,mx:404,my:-72,mz:-224
[12:12:21.795]收←◆ax:12052,ay:-848,az:10252,temperature:2192,gx:160,gy:88,gz:160,AK8963_ID:0x00,mx:410,my:-68,mz:-228
[12:12:21.995]收←◆ax:12068,ay:-888,az:10380,temperature:2208,gx:155,gy:102,gz:138,AK8963_ID:0x00,mx:404,my:-68,mz:-230
[12:12:22.195]收←◆ax:11972,ay:-824,az:10416,temperature:2176,gx:151,gy:137,gz:143,AK8963_ID:0x00,mx:404,my:-70,mz:-220
[12:12:22.394]收←◆ax:12084,ay:-892,az:10432,temperature:2208,gx:146,gy:74,gz:123,AK8963_ID:0x00,mx:417,my:-63,mz:-225
[12:12:22.594]收←◆ax:12084,ay:-900,az:10316,temperature:2208,gx:168,gy:90,gz:179,AK8963_ID:0x00,mx:401,my:-75,mz:-217
[12:12:22.794]收←◆ax:12068,ay:-908,az:10396,temperature:2240,gx:201,gy:91,gz:172,AK8963_ID:0x00,mx:404,my:-62,mz:-222
[12:12:22.994]收←◆ax:12124,ay:-904,az:10364,temperature:2192,gx:160,gy:121,gz:173,AK8963_ID:0x00,mx:404,my:-74,mz:-228
[12:12:23.193]收←◆ax:12036,ay:-896,az:10392,temperature:2208,gx:150,gy:76,gz:123,AK8963_ID:0x00,mx:412,my:-64,mz:-234
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