File content as of revision 27:846c08fb3697:

#include "includes.h"
#include "core.h"
#include "sensors.h"

Inverter::Inverter(PinName ph_a, PinName ph_b, PinName ph_c, PinName en, VoltageSensor *sense_bus, TempSensor *sense_t) {
    _en = new DigitalOut(en);
    Disable();
    
    _pwm_a = new PwmOut(ph_a);
    _pwm_b = new PwmOut(ph_b);
    _pwm_c = new PwmOut(ph_c);
    _pwm_a->period_us(100);
    _pwm_b->period_us(100);
    _pwm_c->period_us(100);
    
    _sense_bus = sense_bus;
    _sense_t = sense_t;
    
    SetDtcA(0);
    SetDtcB(0);
    SetDtcC(0);
    
    TIM2->CR1 &= ~(TIM_CR1_CEN); //disable tim2
    //TIM2->CR1 |= TIM_CR1_CMS;  //set bits 5 and 6 of the CR1 to 1.  (TIM_CR1_CMS == 96)
    TIM2->CR1 |= (1 << 5);  //by only enabling bit 5, "Output compare interrupt flags of channels configured in output (CCxS=00 in TIMx_CCMRx register) 
                      //are set only when the counter is counting down"  (p.342)
    //These lines do nothing so they are commented out.  They should do something..
    /*
    TIM2->CR1 &= ~(1 << 6);
    //hmm, not sure what's going on there.  It's set to only trigger when counting down, however it triggers at both underflow and overflow
    
    TIM2->CR1 &= ~(1 << 1);  //Set bit 1 (update disable) to 0.  we want the timer overflow to trigger an interrupt
    //TIM2->CR1 |= (1 << 2);  //Set bit 2 (update request source) to 1.  Only want under/overflow to trigger an interrupt.
    */
    
    TIM2->DIER |= 1; // set bit 0 equal to 1.  this enables interrupts 
    TIM2->CR1 |= TIM_CR1_CEN;  //enable tim2
    Enable();
}

void Inverter::SetDtcA(float dtc) {
    if (dtc < 0) dtc = 0.0f;
    if (dtc > 1.0f) dtc = 1.0f;
    *_pwm_a = dtc;
} 

void Inverter::SetDtcB(float dtc) {
    if (dtc < 0) dtc = 0.0f;
    if (dtc > 1.0f) dtc = 1.0f;
    *_pwm_b = dtc;
} 

void Inverter::SetDtcC(float dtc) {
    if (dtc < 0) dtc = 0.0f;
    if (dtc > 1.0f) dtc = 1.0f;
    *_pwm_c = dtc;
}

void Inverter::Enable() {
    *_en = 1;
}

void Inverter::Disable() {
    *_en = 0;
}

float Inverter::GetVbus() {
    return _sense_bus->GetVoltage();
}

float Inverter::GetTemp() {
    return _sense_t->GetTemp();
}