File content as of revision 33:f88a6ee18103:

/* File:        Task2_Slave.cpp
 * Author:      Trung Tin Ian HUA
 * Date:        May 2014
 * Purpose:     Thread2S: Gyro sample and Slave PID control loop (rate)
 * Settings:    200Hz
 * Timing:      290us
 */
#include "Task2_Slave.h"
#include "setup.h"
#include "PID.h"

/* YPR Adjust */
volatile float adjust[3] = {0.0, 0.0, 0.0};

int16_t gx, gy, gz;
volatile int gyro[3] = {0, 0, 0};

bool counterESC = false;

//Timer
void Task2_Slave(void const *argument)
{
//Timer
    imu.getRotation(&gx, &gy, &gz);
    gyro[0] = gx + 60;
    gyro[1] = gy - 15;
    gyro[2] = gz + 25;

    for (int i = 0; i < 3; i++)
        gyro[i] /= (float) 32.8;

//Timer
    if (armed) {
        yawPIDrate.setSetPoint(inputYPR[0]);

        switch (mode) {
            case RATE:
                pitchPIDrate.setSetPoint(inputYPR[1]);
                rollPIDrate.setSetPoint(inputYPR[2]);

                yawPIDrate.setProcessValue(gyro[2]);
                pitchPIDrate.setProcessValue(gyro[1]);
                rollPIDrate.setProcessValue(gyro[0]);

                adjust[0] = yawPIDrate.compute();
                adjust[1] = pitchPIDrate.compute();
                adjust[2] = rollPIDrate.compute();

                counterESC = true;
                break;

            case ATTITUDE:
            default:
                pitchPIDrate.setSetPoint(adjust_attitude[1]);
                rollPIDrate.setSetPoint(adjust_attitude[2]);

                yawPIDrate.setProcessValue(gyro[2]);
                pitchPIDrate.setProcessValue(gyro[1]);
                rollPIDrate.setProcessValue(gyro[0]);

                adjust[0] = yawPIDrate.compute();
                adjust[1] = pitchPIDrate.compute();
                adjust[2] = rollPIDrate.compute();

                counterESC = true;
                break;
        }
//Timer

    /* Telemetry output: */
        if (adjust_check)
            BT.printf("%3.2f %3.2f %3.2f\n", adjust[0], adjust[1], adjust[2]);
    }

    if (gyro_out)
        BT.printf("%3d %3d %3d\n", (int) gyro[0], (int) gyro[1], (int) gyro[2]);
//Timer
}

// ========================
// === Helper functions ===
// ========================