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QDAC-firmware/libraries/zf_device/zf_device_mpu6050.c

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/*********************************************************************************************************************
* CH32V307VCT6 Opensourec Library <EFBFBD><EFBFBD><EFBFBD><EFBFBD>CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD>⣩<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹٷ<EFBFBD> SDK <EFBFBD>ӿڵĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
* Copyright (c) 2022 SEEKFREE <EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD>
*
* <EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᷢ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> GPL<EFBFBD><EFBFBD>GNU General Public License<EFBFBD><EFBFBD><EFBFBD><EFBFBD> GNUͨ<EFBFBD>ù<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> GPL <EFBFBD>ĵ<EFBFBD>3<EFBFBD>棨<EFBFBD><EFBFBD> GPL3.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>κκ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><EFBFBD><EFBFBD>
*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κεı<EFBFBD>֤
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><EFBFBD>ʺ<EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD>;<EFBFBD>ı<EFBFBD>֤
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> GPL
*
* <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD>յ<EFBFBD>һ<EFBFBD><EFBFBD> GPL <EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><https://www.gnu.org/licenses/>
*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> GPL3.0 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤Э<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>İ汾
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><EFBFBD><EFBFBD> libraries/doc <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> libraries <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD> LICENSE <EFBFBD>ļ<EFBFBD>
* <EFBFBD><EFBFBD>ӭ<EFBFBD><EFBFBD>λʹ<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD><EFBFBD>İ<EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> zf_device_mpu6050
* <EFBFBD><EFBFBD>˾<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>޹<EFBFBD>˾
* <EFBFBD>汾<EFBFBD><EFBFBD>Ϣ <EFBFBD>鿴 libraries/doc <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> version <EFBFBD>ļ<EFBFBD> <EFBFBD>汾˵<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MounRiver Studio V1.8.1
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ̨ CH32V307VCT6
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> https://seekfree.taobao.com/
*
* <EFBFBD>޸ļ<EFBFBD>¼
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD>ע
* 2022-09-15 <EFBFBD><EFBFBD>W first version
********************************************************************************************************************/
/*********************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><EFBFBD>壺
* ------------------------------------
* ģ<EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD> <EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> IIC ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD>Ӧ<EFBFBD><EFBFBD>ϵ
* SCL <EFBFBD>鿴 zf_device_mpu6050.h <EFBFBD><EFBFBD> MPU6050_SOFT_IIC_SCL <EFBFBD>궨<EFBFBD><EFBFBD>
* SDA <EFBFBD>鿴 zf_device_mpu6050.h <EFBFBD><EFBFBD> MPU6050_SOFT_IIC_SDA <EFBFBD>궨<EFBFBD><EFBFBD>
* Ӳ<EFBFBD><EFBFBD> IIC ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD>Ӧ<EFBFBD><EFBFBD>ϵ
* SCL <EFBFBD>鿴 zf_device_mpu6050.h <EFBFBD><EFBFBD> MPU6050_IIC_SCL <EFBFBD>궨<EFBFBD><EFBFBD>
* SDA <EFBFBD>鿴 zf_device_mpu6050.h <EFBFBD><EFBFBD> MPU6050_IIC_SDA <EFBFBD>궨<EFBFBD><EFBFBD>
* ------------------------------------
********************************************************************************************************************/
#include "zf_device_mpu6050.h"
int16 mpu6050_gyro_x = 0, mpu6050_gyro_y = 0, mpu6050_gyro_z = 0; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> gyro (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
int16 mpu6050_acc_x = 0, mpu6050_acc_y = 0, mpu6050_acc_z = 0; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> acc (accelerometer <20><><EFBFBD>ٶȼ<D9B6>)
#if MPU6050_USE_SOFT_IIC
static soft_iic_info_struct mpu6050_iic_struct;
#define mpu6050_write_register(reg, data) (soft_iic_write_8bit_register(&mpu6050_iic_struct, (reg), (data)))
#define mpu6050_read_register(reg) (soft_iic_read_8bit_register(&mpu6050_iic_struct, (reg)))
#define mpu6050_read_registers(reg, data, len) (soft_iic_read_8bit_registers(&mpu6050_iic_struct, (reg), (data), (len)))
#else
#define mpu6050_write_register(reg, data) (iic_write_8bit_register(MPU6050_IIC, MPU6050_DEV_ADDR, (reg), (data)))
#define mpu6050_read_register(reg) (iic_read_8bit_register(MPU6050_IIC, MPU6050_DEV_ADDR, (reg)))
#define mpu6050_read_registers(reg, data, len) (iic_read_8bit_registers(MPU6050_IIC, MPU6050_DEV_ADDR, (reg), (data), (len)))
#endif
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MPU6050 <20>Լ<EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> void
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 1-<2D>Լ<EFBFBD>ʧ<EFBFBD><CAA7> 0-<2D>Լ<EFBFBD><D4BC>ɹ<EFBFBD>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> if(mpu6050_self1_check())
// <20><>ע<EFBFBD><D7A2>Ϣ <20>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>
//-------------------------------------------------------------------------------------------------------------------
static uint8 mpu6050_self1_check (void)
{
uint8 dat = 0, return_state = 0;
uint16 timeout_count = 0;
mpu6050_write_register(MPU6050_PWR_MGMT_1, 0x00); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
mpu6050_write_register(MPU6050_SMPLRT_DIV, 0x07); // 125HZ<48><5A><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
while(0x07 != dat)
{
if(timeout_count ++ > MPU6050_TIMEOUT_COUNT)
{
return_state = 1;
break;
}
dat = mpu6050_read_register(MPU6050_SMPLRT_DIV);
system_delay_ms(10);
}
return return_state;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ȡ MPU6050 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> void
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> mpu6050_get_acc(); // ִ<>иú<D0B8><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӳ鿴<D3B2><E9BFB4>Ӧ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
void mpu6050_get_acc (void)
{
uint8 dat[6];
mpu6050_read_registers(MPU6050_ACCEL_XOUT_H, dat, 6);
mpu6050_acc_x = (int16)(((uint16)dat[0] << 8 | dat[1]));
mpu6050_acc_y = (int16)(((uint16)dat[2] << 8 | dat[3]));
mpu6050_acc_z = (int16)(((uint16)dat[4] << 8 | dat[5]));
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ȡ MPU6050 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> void
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> mpu6050_get_gyro(); // ִ<>иú<D0B8><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӳ鿴<D3B2><E9BFB4>Ӧ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
void mpu6050_get_gyro (void)
{
uint8 dat[6];
mpu6050_read_registers(MPU6050_GYRO_XOUT_H, dat, 6);
mpu6050_gyro_x = (int16)(((uint16)dat[0] << 8 | dat[1]));
mpu6050_gyro_y = (int16)(((uint16)dat[2] << 8 | dat[3]));
mpu6050_gyro_z = (int16)(((uint16)dat[4] << 8 | dat[5]));
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> MPU6050 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊʵ<CEAA><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> gyro_value <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> float data = mpu6050_acc_transition(mpu6050_acc_x); // <20><>λΪ g(m/s^2)
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
float mpu6050_acc_transition (int16 acc_value)
{
float acc_data = 0;
switch(MPU6050_ACC_SAMPLE)
{
case 0x00: acc_data = (float)acc_value / 16384; break; // 0x00 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>2g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> 16384 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
case 0x08: acc_data = (float)acc_value / 8192; break; // 0x08 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>4g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> 8192 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
case 0x10: acc_data = (float)acc_value / 4096; break; // 0x10 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>8g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> 4096 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
case 0x18: acc_data = (float)acc_value / 2048; break; // 0x18 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>16g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> 2048 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
default: break;
}
return acc_data;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> MPU6050 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊʵ<CEAA><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> gyro_value <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> float data = mpu6050_gyro_transition(mpu6050_gyro_x); // <20><>λΪ<CEBB><CEAA>/s
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
float mpu6050_gyro_transition (int16 gyro_value)
{
float gyro_data = 0;
switch(MPU6050_GYR_SAMPLE)
{
case 0x00: gyro_data = (float)gyro_value / 131.0f; break; // 0x00 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>250 dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD> 131 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
case 0x08: gyro_data = (float)gyro_value / 65.5f; break; // 0x08 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>500 dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD> 65.5 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
case 0x10: gyro_data = (float)gyro_value / 32.8f; break; // 0x10 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>1000dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD> 32.8 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
case 0x18: gyro_data = (float)gyro_value / 16.4f; break; // 0x18 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>2000dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD> 16.4 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
default: break;
}
return gyro_data;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ʼ<EFBFBD><CABC> MPU6050
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> void
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 1-<2D><>ʼ<EFBFBD><CABC>ʧ<EFBFBD><CAA7> 0-<2D><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> mpu6050_init();
// <20><>ע<EFBFBD><D7A2>Ϣ
//-------------------------------------------------------------------------------------------------------------------
uint8 mpu6050_init (void)
{
uint8 return_state = 0;
#if MPU6050_USE_SOFT_IIC
soft_iic_init(&mpu6050_iic_struct, MPU6050_DEV_ADDR, MPU6050_SOFT_IIC_DELAY, MPU6050_SCL_PIN, MPU6050_SDA_PIN);
#else
iic_init(MPU6050_IIC, MPU6050_DEV_ADDR, MPU6050_IIC_SPEED, MPU6050_SCL_PIN, MPU6050_SDA_PIN);
#endif
system_delay_ms(100); // <20>ϵ<EFBFBD><CFB5><EFBFBD>ʱ
do
{
if(mpu6050_self1_check())
{
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˶<EFBFBD><CBB6><EFBFBD><EFBFBD><EFBFBD>Ϣ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><>ô<EFBFBD><C3B4><EFBFBD><EFBFBD> MPU6050 <20>Լ<EFBFBD><D4BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>˳<EFBFBD><CBB3><EFBFBD>
// <20><><EFBFBD><EFBFBD>һ<EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܾ<EFBFBD><DCBE>ǻ<EFBFBD><C7BB><EFBFBD>
zf_log(0, "MPU6050 self check error.");
return_state = 1;
break;
}
mpu6050_write_register(MPU6050_PWR_MGMT_1, 0x00); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬
mpu6050_write_register(MPU6050_SMPLRT_DIV, 0x07); // 125HZ<48><5A><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mpu6050_write_register(MPU6050_CONFIG, 0x04);
mpu6050_write_register(MPU6050_GYRO_CONFIG, MPU6050_GYR_SAMPLE); // 2000
// GYRO_CONFIG<49>Ĵ<EFBFBD><C4B4><EFBFBD>
// <20><><EFBFBD><EFBFBD>Ϊ:0x00 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>250 dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>131.2 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
// <20><><EFBFBD><EFBFBD>Ϊ:0x08 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>500 dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>65.6 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
// <20><><EFBFBD><EFBFBD>Ϊ:0x10 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>1000dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>32.8 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
// <20><><EFBFBD><EFBFBD>Ϊ:0x18 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>2000dps <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>16.4 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λΪ<CEBB><CEAA><EFBFBD><EFBFBD>/s
mpu6050_write_register(MPU6050_ACCEL_CONFIG, MPU6050_ACC_SAMPLE); // 8g
// ACCEL_CONFIG<49>Ĵ<EFBFBD><C4B4><EFBFBD>
// <20><><EFBFBD><EFBFBD>Ϊ:0x00 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>2g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>16384 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
// <20><><EFBFBD><EFBFBD>Ϊ:0x08 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>4g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>8192 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
// <20><><EFBFBD><EFBFBD>Ϊ:0x10 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>8g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>4096 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
// <20><><EFBFBD><EFBFBD>Ϊ:0x18 <20><><EFBFBD>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD>Ϊ:<3A><>16g <20><>ȡ<EFBFBD><C8A1><EFBFBD>ļ<EFBFBD><C4BC>ٶȼ<D9B6><C8BC><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>2048 <20><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD><DDA3><EFBFBD>λ<EFBFBD><CEBB>g(m/s^2)
mpu6050_write_register(MPU6050_USER_CONTROL, 0x00);
mpu6050_write_register(MPU6050_INT_PIN_CFG, 0x02);
}while(0);
return return_state;
}
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