#include "f28p55x_device.h"
#include "f28p55x_examples.h"

void Gpio_select(void);
void Setup_ePWM1(void);

void main(void)
{
     InitSysCtrl();
    DINT;
    InitPieCtrl();
    IER = 0x0000;
    IFR = 0x0000;
    PieCtrlRegs.PIECTRL.bit.ENPIE = 0;
    PieCtrlRegs.PIEACK.all = 0xFFFF;
    InitPieVectTable();
    CpuTimer0Regs.TCR.bit.TSS = 1;
    CpuTimer1Regs.TCR.bit.TSS = 1;
    CpuTimer2Regs.TCR.bit.TSS = 1;
    InitGpio();
    EALLOW;
    CpuSysRegs.PCLKCR2.bit.EPWM1 = 1;
    CpuSysRegs.PCLKCR0.bit.TBCLKSYNC = 0;
    EDIS;
    InitEPwm1Gpio();
    Setup_ePWM1();
    EALLOW;
    CpuSysRegs.PCLKCR0.bit.TBCLKSYNC = 1;
    EDIS;
    while(1)
    {

    }
}

void Gpio_select(void)
{
    EALLOW;
    GpioCtrlRegs.GPAMUX1.bit.GPIO0=1;
    GpioCtrlRegs.GPAMUX1.bit.GPIO1=1;

    // Disable internal pull-ups for clean switching
        GpioCtrlRegs.GPAPUD.bit.GPIO0 = 1;
        GpioCtrlRegs.GPAPUD.bit.GPIO1 = 1;
    EDIS;
}


void Setup_ePWM1(void)
{
    EALLOW;
    EPwm1Regs.TZSEL.all = 0x0000;
    EPwm1Regs.TZCTL.all = 0x0000;
    EPwm1Regs.TZCLR.all = 0xFFFF;
    EPwm1Regs.TBPRD = 750;
    EPwm1Regs.TBCTR = 0;
    EPwm1Regs.TBPHS.bit.TBPHS = 0;

    EPwm1Regs.TBCTL.bit.CTRMODE = TB_COUNT_UPDOWN;
    EPwm1Regs.TBCTL.bit.PHSEN = TB_DISABLE;
    EPwm1Regs.TBCTL.bit.HSPCLKDIV = TB_DIV1;
    EPwm1Regs.TBCTL.bit.CLKDIV = TB_DIV1;
    EPwm1Regs.CMPA.bit.CMPA = 375;
    EPwm1Regs.AQCTLA.bit.CAU = AQ_CLEAR;
    EPwm1Regs.AQCTLA.bit.CAD = AQ_SET;
    EPwm1Regs.DBCTL.bit.OUT_MODE = DB_DISABLE;
    EDIS;
}