AHRS
Dependencies: Eigen
AHRS.cpp
- Committer:
- altb
- Date:
- 2018-12-04
- Revision:
- 3:6811c0ce95f6
- Child:
- 4:3c21fb0c9e84
File content as of revision 3:6811c0ce95f6:
#include "AHRS.h" #include "Mahony.h" #include "MadgwickAHRS.h" #define PI 3.141592653589793 using namespace std; AHRS::AHRS(uint8_t filtertype,float TS) : RPY_filter(TS), csAG(PA_15),csM(PD_2), spi(PC_12, PC_11, PC_10), imu(&spi, &csM, &csAG), thread(osPriorityBelowNormal, 4096){ thread.start(callback(this, &AHRS::update)); ticker.attach(callback(this, &AHRS::sendSignal), TS); LinearCharacteristics raw_ax2ax(40.0/65536.0,-418.0); // use gain and offset here LinearCharacteristics raw_ay2ay(-40.0/65536.0,-307.0); // y-axis reversed LinearCharacteristics raw_az2az(-16350.0,16350,-10.0, 10.0); LinearCharacteristics raw_gx2gx(-32767,32768,-500*PI/180.0, 500*PI/180.0); LinearCharacteristics raw_gy2gy(-32767,32768, 500*PI/180.0,-500*PI/180.0); // y-axis reversed (lefthanded system) LinearCharacteristics raw_gz2gz(-32767,32768,-500*PI/180.0, 500*PI/180.0); LinearCharacteristics int2magx( -32767,32768,100.0,-100.0); // x-axis reversed LinearCharacteristics int2magy( -32767,32768,100.0,-100.0); // y-axis reversed LinearCharacteristics int2magz( -32767,32768,-100.0,100.0); while (!imu.begin()) { wait(1); printf("Failed to communicate with LSM9DS1.\r\n"); } } AHRS::~AHRS() {} void AHRS::update(void) { while(1){ thread.signal_wait(signal); imu.readAccel(); imu.readMag_calibrated(); imu.readGyro(); //Perform Madgwick-filter update RPY_filter.update(raw_gx2gx(imu.gx), raw_gy2gy(imu.gy), raw_gz2gz(imu.gz) , raw_ax2ax(imu.ax), raw_ay2ay(imu.ay), raw_az2az(imu.az), int2magx(imu.mx), int2magy(imu.my), int2magz(imu.mz)); } // while(1) } void AHRS::sendSignal() { thread.signal_set(signal); }