timer_a_ex1_pwmSingle.c

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 * Copyright (c) 2017, Texas Instruments Incorporated
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//*******************************************************************************
//******************************************************************************
#include "driverlib.h"
 
#define TIMER_A_PERIOD 524
#define DUTY_CYCLE  393
 
 
void main (void)
{
    //Stop WDT
    WDT_A_hold(WDT_A_BASE);
 
    //P4.0 as PWM output
    GPIO_setAsPeripheralModuleFunctionOutputPin(
        GPIO_PORT_P4,
        GPIO_PIN0,
        GPIO_PRIMARY_MODULE_FUNCTION
        );
 
    /*
     * Disable the GPIO power-on default high-impedance mode to activate
     * previously configured port settings
     */
    PMM_unlockLPM5();
 
    //Generate PWM - Timer runs in Up-Down mode
    Timer_A_outputPWMParam param = {0};
    param.clockSource = TIMER_A_CLOCKSOURCE_SMCLK;
    param.clockSourceDivider = TIMER_A_CLOCKSOURCE_DIVIDER_1;
    param.timerPeriod = TIMER_A_PERIOD;
    param.compareRegister = TIMER_A_CAPTURECOMPARE_REGISTER_1;
    param.compareOutputMode = TIMER_A_OUTPUTMODE_RESET_SET;
    param.dutyCycle = DUTY_CYCLE;
    Timer_A_outputPWM(TIMER_A1_BASE, &param);
 
    //Enter LPM0
    __bis_SR_register(LPM0_bits);
 
    //For debugger
    __no_operation();
}