File content as of revision 3:5d99b45d534a:

#include "mbed.h"
#include "MODSERIAL.h"
#include "FastPWM.h"

#include "math.h"
/*------------------------------------------------------------------------------
Codebase for T99004 Demo Control Board Rev A Firmware
Date: 10/07/2018
Author: AS7


------------------------------------------------------------------------------*/

#define ALL_CH 15               //value of convst bus to read all chanels simultaneosly
#define TICK_PERIOD         1000// Tick cylcle


MODSERIAL pc(PA_9, PA_10, 512); //mcu TX, RX, 512 byte TX and RX buffers

//indicator LEDs
DigitalOut hb_led(PC_13);       //Green
DigitalOut led_0(PC_4);         //Red
DigitalOut led_1(PC_5);         //Green

//User buttons
DigitalIn user_0(PB_0);
DigitalIn user_1(PB_1);

//Heater Control
FastPWM drive_1(PC_9);
FastPWM drive_2(PC_8);
FastPWM guard_1(PC_7);
FastPWM guard_2(PC_6);
Timer timer;


int main()
{
    // Initialsation
    pc.baud(115200);        
    //led_1 = drive_1; //tie led 1 and heater 1 outputs together so LED shows while heater is on (initial debug purposes only)
    timer.start();                  //Start the timer   
    
    //Initialise drive periods
    drive_1.prescaler(1);    
    guard_1.prescaler(1);
    drive_2.prescaler(1);    
    guard_2.prescaler(1);
    drive_1.period_ticks(TICK_PERIOD);   
    guard_1.period_ticks(TICK_PERIOD);
    drive_2.period_ticks(TICK_PERIOD);   
    guard_2.period_ticks(TICK_PERIOD);

    //while (user_1==0); //waits for a button press before starting the programme
    
    
    float ratio_guard = 21.0/82;
    int main_tick_1 = 150; 
    int guard_tick_1 = floor(main_tick_1 * ratio_guard);
    int main_tick_2 = 0; 
    int guard_tick_2 = floor(main_tick_2 * ratio_guard);
    
    while(1){
        
        drive_1.pulsewidth_ticks(main_tick_1);
        guard_1.pulsewidth_ticks(guard_tick_1);
        drive_2.pulsewidth_ticks(main_tick_2);
        guard_2.pulsewidth_ticks(guard_tick_2);
        wait(2);
        //heater_2.output();
        //pc.printf("%d, %f, %f\n",tic_guard,j,ratio_guard);

    }    
   
}