磁気センサv4
Dependencies: mbed
Fork of mag_sensor by
Diff: main.cpp
- Revision:
- 5:7eb3b7e56eb1
- Parent:
- 4:1d0dbfceeaed
- Child:
- 6:eeef849dd7a1
--- a/main.cpp Tue Aug 14 03:52:29 2018 +0000 +++ b/main.cpp Tue Aug 14 14:07:45 2018 +0000 @@ -1,4 +1,4 @@ -/*MPU9250_PROGRAM ver? PROGRAMED BY RYOTARO FUNAI 2018/08/12*/ +/*MPU9250_PROGRAM ver4.1 PROGRAMED BY RYOTARO FUNAI 2018/08/14*/ #include <mbed.h> #include <math.h> @@ -32,34 +32,41 @@ void i2cRead(uint8_t addr,uint8_t reg, uint8_t bytes,uint8_t* data); void i2cWrite(uint8_t addr,uint8_t reg, uint8_t data); uint8_t IDcheck(); +int EarthMag(); uint8_t accgyrodata[14]; uint8_t magneticdata[7]; uint8_t ST2_Bit; //磁気センサのステータスを入れておく -int16_t mx, my, mz; -double magX, magY, magZ, mag; -int16_t ax, ay, az; -float accX, accY, accZ, acc; -double rad; -double degree; -float ID; -double roll; -double pitch; +int main() { + EarthMag(); //加速度センサの値は引数として渡したらいいかも +} -int main() { - i2cWrite(MPU9250_ADDRESS, PWR, 0x00); //スリープモードの解除 +int EarthMag(){ + //方位角計測用各種変数群 + int16_t mx, my, mz; + double magX, magY, magZ, mag; + int16_t ax, ay, az; + float accX, accY, accZ, acc; + double rad; //単位はラジアン + double degree; //単位は度数 + double roll; //ロール軸の角度 + double pitch; //ピッチ軸の角度 double maveX = 0, maveY = 0, maveZ = 0; + + //地磁気センサの設定 + i2cWrite(MPU9250_ADDRESS, PWR, 0x00); //スリープモードの解除 + i2cWrite(MPU9250_ADDRESS, MAG_OPN, 0x02); //磁気センサの起動 + i2cWrite(AK8963_ADDRESS, MAG_CONFIG, MAG_100HZ);//磁気センサの測定レンジの設定 + while(1) { - //加速度の値を取得し、落下判定 + //z軸方向の誤差を取るためのロールとピッチ Ac_Read(&ax,&ay,&az); accX = ax * accRange / 32768.0;//[G]に変換 accY = ay * accRange / 32768.0;//[G]に変換 accZ = az * accRange / 32768.0;//[G]に変換 roll = atan2(accY, accZ); pitch = atan2(-accX, sin(accY) + cos(accZ)); - i2cWrite(MPU9250_ADDRESS, MAG_OPN, 0x02); //磁気センサの起動 - i2cWrite(AK8963_ADDRESS, MAG_CONFIG, MAG_100HZ);//磁気センサの測定レンジの設定 for(int i = 0;i < 50;i++){ Mag_Read(&mx, &my, &mz); maveX += mx; @@ -74,15 +81,8 @@ magY = (maveY + 12.1) / 32768.0f * 4800.0f;//[uT]に変換 magZ = mz / 32768.0f * 4800.0f;//[uT]に変換 pc.printf("%f,%f\n\r", magX, magY); - //ID = IDcheck(); - //pc.printf("%f\n\r", ID); rad = atan2(magZ * sin(roll) - magY * cos(roll), magX * cos(pitch) + magY * sin(pitch) * sin(roll) + magZ * sin(pitch) * cos(roll)); degree = -((int)(rad * 180.0 / 3.141592 + 270.0 - 8.34) % 360 - 360.0); - /* - if(degree < 0){ - degree += 360; - } - */ pc.printf("%d\n\r",(int)degree); } }