Matthias Grob
/
FlyBed2
My fully self designed first stable working Quadrocopter Software.
Diff: main.cpp
- Revision:
- 0:12950aa67f2a
- Child:
- 1:5e2b81f2d0b4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Sep 02 15:04:22 2013 +0000 @@ -0,0 +1,79 @@ +#include "mbed.h" +#include "LED.h" // LEDs framework for blinking ;) +#include "PC.h" // Serial Port via USB by Roland Elmiger for debugging with Terminal (driver needed: https://mbed.org/media/downloads/drivers/mbedWinSerial_16466.exe) + +#include "IMU_10DOF.h" // Complete IMU class for 10DOF-Board (L3G4200D, ADXL345, HMC5883, BMP085) +#include "RC_Channel.h" // RemoteControl Channels with PPM +#include "PID.h" // PID Library (slim, self written) +#include "Servo_PWM.h" // Motor PPM using PwmOut + +#define PPM_FREQU 495 // Hz Frequency of PPM Signal for ESCs (maximum <500Hz) +#define INTEGRAL_MAX 300 // maximal output offset that can result from integrating errors +#define AILERON 0 // RC +#define ELEVATOR 1 +#define RUDDER 2 +#define THROTTLE 3 +#define ROLL 0 // Axes +#define PITCH 1 +#define YAW 2 + +bool armed = false; // this variable is for security (when false no motor rotates any more) +float P = 1.0; // PID values +float I = 0; +float D = 2.0; +float controller_value = 0; // The calculated answer form the Controller +float Motor_speed[4] = {0,0,0,0}; // Mixed Motorspeeds, ready to send + +LED LEDs; +PC pc(USBTX, USBRX, 921600); // USB +IMU_10DOF IMU(p28, p27); +RC_Channel RC[] = {RC_Channel(p5,1), RC_Channel(p6,2), RC_Channel(p8,4), RC_Channel(p7,3)}; // no p19/p20 ! +PID Controller(P, I, D, INTEGRAL_MAX); // X:Roll alone +Servo_PWM ESC[] = {Servo_PWM(p21,PPM_FREQU), Servo_PWM(p22,PPM_FREQU), Servo_PWM(p23,PPM_FREQU), Servo_PWM(p24,PPM_FREQU)}; // p21 - p26 only because PWM needed! + +void executer() { + pc.putc(pc.getc()); + LEDs.tilt(2); +} + +int main() { + pc.attach(&executer); + while(1) { + // IMU + IMU.readAngles(); + //IMU.readAltitude(); // reading altitude takes much more time than the angles -> don't do this in your fast loop + //pc.printf("%.1f,%.1f,%.1f,%.1f'C,%.1fhPa,%.1fmaS,%.5fs,%.5fs\r\n", IMU.angle[0], IMU.angle[1], IMU.angle[2], IMU.temperature, IMU.pressure, IMU.altitude, IMU.dt, IMU.dt_sensors); // Output for Python + + // Arming / disarming + if(RC[0].read() < 40) { + armed = false; + } + if((RC[0].read() > 40 && RC[0].read() < 1100)) { + armed = true; + } + + // Controlling + Controller.setIntegrate(armed); // only integrate in controller when armed, so the value is not totally odd from not flying + controller_value = Controller.compute(0, IMU.angle[0]); // give the controller the actual angle and get his advice to correct + + // Mixing + if (armed) // for SECURITY! + { + Motor_speed[0] = RC[0].read() - controller_value; + Motor_speed[1] = RC[0].read() + controller_value; + for(int i=0;i<4;i++) // Set new motorspeeds + ESC[i] = (int)Motor_speed[i]; + + } else { + for(int i=0;i<4;i++) // for security reason, set every motor to zero speed + ESC[i] = 0; + } + + pc.printf("%d,%.3f,%.3f,%.3f,%.5fs,%.5fs,%4d,%4d,%4d,%4d\r\n", armed, IMU.angle[0], IMU.angle[1], IMU.angle[2], IMU.dt, IMU.dt_sensors, RC[0].read(), RC[1].read(), RC[2].read(), RC[3].read()); + //pc.printf("%.3f,%.3f,%.3f,%.3f,%.3f,%.3f,%.5f\r\n", IMU.angle[0], IMU.angle[1], IMU.angle[2], IMU.Gyro.data[0], IMU.Gyro.data[1], IMU.Gyro.data[2], IMU.dt); + + //wait(0.01); + + LEDs.rollnext(); + } +} \ No newline at end of file