关于st的lsm9ds1这个传感器

wangyao · 发表于 2016-5-18 09:44:52

  最近使用了stm的lsm9ds1这个九轴触感器，各个数据都读出，现在给大家分享下磁力计这部分代码，顺便问一下，磁力计这样配置对不对，file:///C:\Users\dell\AppData\Roaming\Tencent\Users\1531886062\QQ\WinTemp\RichOle\6_JBF]PVFTOIK~0I4ADD9I5.pngCTRL_REG1_M (20h)，这个此存器该怎么配置？void config_mag_default(){
  unsigned char buffer[2];
  int wait;

  //CTRL_REG1_M
  buffer[0] = 0x20;       //10hz
  buffer[1] = 0x30;                            // 0b00110000  datasheet
  i2cWrite(SAD_M_0, buffer, sizeof(buffer), I2C_STD);
  for(wait = 0; wait < 1000000; wait++){;}    // Wait before doing another operation

  //CTRL_REG2_M
  buffer[0] = 0x21;          //
  buffer[1] = 0x00;                            // table 112 113 114 ----4g
  i2cWrite(SAD_M_0, buffer, sizeof(buffer), I2C_STD);
  for(wait = 0; wait < 1000000; wait++){;}    // Wait before doing another operation

  //CTRL_REG3_M
  buffer[0] = 0x22;       // 0b00000000 -----Continuous-conversion mode
  buffer[1] = 0x00;                            // table 115 116 117
  i2cWrite(SAD_M_0, buffer, sizeof(buffer), I2C_STD);
  for(wait = 0; wait < 1000000; wait++){;}    // Wait before doing another operation

  //CTRL_REG4_M
  buffer[0] = 0x23;          // 0b00001000
  buffer[1] = 0x04;                               // table 118 119 120
  i2cWrite(SAD_M_0, buffer, sizeof(buffer), I2C_STD);
  for(wait = 0; wait < 1000000; wait++){;}       // Wait before doing another operation


}

void get_sensor_data_M(char address, int data, int *output){    // output[0] = x | output[1] = y | output[2] = z
  unsigned char buffer[6] = {0};                                  // each value has 2 byter (3 values x 2 byter = 6 bytes)
  unsigned char buffer1[1] = {0};
  address = SAD_M_0;
  data = 0x28;
  buffer1[0] = data;

  i2cWrite(SAD_M_0,buffer1, 1, I2C_STD);                                                             // sequentially reads 6 registers
  i2cRead(SAD_M_0, buffer, 6, I2C_STD);

  output[0] = (buffer[1] << 8) | buffer[0];          // merge the 2 bytes in a single value, e.g. (OUT_X_H_G << 8) | OUT_X_L_G
  output[1] = (buffer[3] << 8) | buffer[2];          // xxx_x_H_x contains the most significant bytes and xxx_x_L_x contains the least significant bytes
  output[2] = (buffer[5] << 8) | buffer[4];
}