目前，我现在使用LSM330，我找到的唯一参考驱动程序是官方Linux-OS驱动程序。由于没有编程指南，我在网站上搜索源代码以供参考，但却发现我找到的所有源代码都有不同的寄存器定义。
例如，在github的一个项目中，在初始化代码块中，作者编写了以下代码：
这个
- ＆GT;
setAccelSensi
tivity
（
accelSensitivity
）;
//查看数据表（第29页）
//正常（1.344 kHz）/低功耗模式（5.376 kHz）数据速率
//选择正常模式（默认）
//启用x，y，z轴（默认）
writeRegister
（
chipSelectAccel
，
CTRL_REG1
，
0
b10010111
）;
//高通滤波器模式选择：正常模式（复位读取HP_RESET_FILTER）（默认）
//高通滤波器截止频率选择
//过滤数据选择：绕过内部过滤器（默认）
//为CLICK功能启用高通滤波器：绕过滤波器
//在中断2上启用AOI功能的高通滤波器：旁路滤波器
//在中断1上启用AOI功能的高通滤波器：旁路滤波器
writeRegister
（
chipSelectAccel
，
CTRL_REG2
，
0
B00000000
）;
定义如下：
/ ******************* **
LSM330用于陀螺仪和加速度计的寄存器
************************************************** ** /
#define WHO_AM_I 0x0F
#define CTRL_REG1 0x20
#define CTRL_REG2 0x21
#define CTRL_REG3 0x22
#define CTRL_REG4 0x23
#define CTRL_REG5 0x24
#define CTRL_REG6 0x25
#define REFERENCE_A 0x26
#define REFERENCE 0x25
#define OUT_TEMP 0x26
#define STATUS_REG 0x27
#define OUT_X_L 0x28
#define OUT_X_H 0x29
#define OUT_Y_L 0x2A
#define OUT_Y_H 0x2B
#define OUT_Z_L 0x2C
#define OUT_Z_H 0x2D
#define FIFO_CTRL_REG 0x2E
#define FIFO_SRC_REG 0x2F
#define INT1_CFG 0x30
#define INT1_SRC 0x31
#define INT1_TSH_XH 0x32
#define INT1_TSH_XL 0x33
#define INT1_TSH_YH 0x34
#define INT1_TSH_YL 0x35
#define INT1_TSH_ZH 0x36
#define INT1_TSH_ZL 0x37
#define INT1_DURATION 0x38
但是，在LSM330官方数据表中，加速运动传感器没有CTRL_REG1，从内容上我们可以看到作者为ACCEL禁用了HPF，其中ACCEL-HPF ???只有陀螺仪有两个LPF和一个HPF。
有人请帮我理解这个吗？非常感谢。
以上来自于谷歌翻译
以下为原文
Currently, I am now using LSM330, the only reference driver I found is official Linux-OS driver. Since there's no programming guides, I search website for source code for reference, only to find that all source code I found have a different register definition.
For instance, in a project in github, among the initialization code block, the author wrote the code below:
this
->
setAccelSensitivity
(
accelSensitivity
);
// Check the datasheet (p29)
// Normal (1.344 kHz) / low-power mode (5.376 kHz) data rate
// Normal mode selected (default)
// x,y,z axis enabled (default)
writeRegister
(
chipSelectAccel
,
CTRL_REG1
,
0
b10010111
);
// High-pass filter mode selection : Normal mode (reset reading HP_RESET_FILTER) (default)
// High-pass filter cutoff frequency selection
// Filtered data selection : internal filter bypassed (default)
// High-pass filter enabled for CLICK function : filter bypassed
// High-pass filter enabled for AOI function on interrupt 2 : filter bypassed
// High-pass filter enabled for AOI function on interrupt 1 : filter bypassed
writeRegister
(
chipSelectAccel
,
CTRL_REG2
,
0
b00000000
);
With the definition below:
/***************************************************
LSM330 Registers for gyro and accelerometer
****************************************************/
#define WHO_AM_I 0x0F
#define CTRL_REG1 0x20
#define CTRL_REG2 0x21
#define CTRL_REG3 0x22
#define CTRL_REG4 0x23
#define CTRL_REG5 0x24
#define CTRL_REG6 0x25
#define REFERENCE_A 0x26
#define REFERENCE 0x25
#define OUT_TEMP 0x26
#define STATUS_REG 0x27
#define OUT_X_L 0x28
#define OUT_X_H 0x29
#define OUT_Y_L 0x2A
#define OUT_Y_H 0x2B
#define OUT_Z_L 0x2C
#define OUT_Z_H 0x2D
#define FIFO_CTRL_REG 0x2E
#define FIFO_SRC_REG 0x2F
#define INT1_CFG 0x30
#define INT1_SRC 0x31
#define INT1_TSH_XH 0x32
#define INT1_TSH_XL 0x33
#define INT1_TSH_YH 0x34
#define INT1_TSH_YL 0x35
#define INT1_TSH_ZH 0x36
#define INT1_TSH_ZL 0x37
#define INT1_DURATION 0x38
However, in LSM330 official datasheet, the accelerate motion sensor has no CTRL_REG1, and from the content, we can see that the author disable HPF for ACCEL, where's ACCEL-HPF??? Only gyroscope has two LPF and one HPF.
Anyone please help me understand this? Thanks very much.
举报
