Alexandre Lemay
/
APP1_s5_A17
PARTYYYY
Accelerometre.cpp
- Committer:
- ThierryLeonard
- Date:
- 2017-09-06
- Revision:
- 10:2836530d9a5e
- Parent:
- 6:909e7877d915
- Child:
- 11:09317efe9bb5
File content as of revision 10:2836530d9a5e:
#include "Accelerometre.h" Accelerometre::Accelerometre():i2c(p28,p27),pc(USBTX, USBRX),acc(p28, p27, 40000){ acc.setBitDepth(MMA8452::BIT_DEPTH_12); acc.setDynamicRange(MMA8452::DYNAMIC_RANGE_2G); acc.setDataRate(MMA8452::RATE_100); } void Accelerometre::readxyzAngle(double *Angle){ double x=0, y=0, z=0; acc.readXYZGravity(&x,&y,&z); *Angle = AngleCalculation(z); } double Accelerometre::AngleCalculation(double ZValue){ if(ZValue>1){ ZValue = 1; } if(ZValue <-1){ ZValue = -1; } double angle =std::acos(ZValue); // std::acos return a value from 0 to pi, adjust it to 0 to PI/2 ( 0 , 90 ) if(angle > PI/2) { angle = PI - angle; } return (angle*180/ PI); } //int Accelerometre::readSingleByte(int regis){ // int c; // pc.printf("Reading single byte\n"); // i2c.start(); // int a=i2c.write(WRITE_DATA); // A write to device // i2c.write(regis); // Register to read from (acceleration in X) // i2c.start(); // Need to send start condition here // i2c.write(READ_DATA); // tell devide you want to read // c=i2c.read(0); // i2c.stop(); // pc.printf("value is %d\n", c); // pc.printf("end\n"); // return c; // } void Accelerometre::writeByte(int regis,int data){ pc.printf("Reading single byte\n"); i2c.start(); i2c.write(WRITE_DATA); // A write to device i2c.write(regis); // Register to read from (acceleration in X) i2c.write(data); i2c.stop(); pc.printf("end\n"); }