[参考译文] MSPM0L1105：MSPM0L1105 LED 褪色

以下是来自 MSPM0G3507 adctopwm 示例的代码。 它应该可以让您快速入门。

#define  ADC_MINIMUM_VALUE 500  

#include "ti_msp_dl_config.h"

volatile bool gCheckADC;
volatile uint32_t gCCV;
volatile uint16_t gAdcResult;

int main(void) {

    SYSCFG_DL_init();
    NVIC_EnableIRQ(ADC12_0_INST_INT_IRQN);

    DL_Timer_setCaptCompUpdateMethod(PWM_0_INST, GPTIMER_CCCTL_01_CCUPD_ZERO_EVT, DL_TIMER_CC_0_INDEX);

    /* Start our ADC conversion and PWM Timers */
    DL_Timer_startCounter(TIMER_0_INST);
    DL_Timer_startCounter(PWM_0_INST);

    gCheckADC = false;

    while (1) 
    {
    __WFI();

    if (gCheckADC) {
    
        gCheckADC = false;
        gAdcResult = DL_ADC12_getMemResult(ADC12_0_INST, DL_ADC12_MEM_IDX_0);
        /* Check if the gAdcResult is above the minmum threshold */
            if (gAdcResult > ADC_MINIMUM_VALUE)
            {
                /* Start counter in case it was previously stopped. */
                DL_Timer_startCounter(PWM_0_INST);

                /* Do necessary ADC-to-PWM scaling here: */

                /* Here we just map the ADC Result from 0 to 100% of the Load Value */
                gCCV = DL_Timer_getLoadValue(PWM_0_INST)*gAdcResult/4096;
                /* CC Value will update on the next zero event */
                DL_TimerG_setCaptureCompareValue(PWM_0_INST, DL_Timer_getLoadValue(PWM_0_INST)-gCCV, DL_TIMER_CC_0_INDEX);
            }
            else 
            {
                /* If gAdcResult is not above minmum value then disable timer */
                DL_TimerG_stopCounter(PWM_0_INST);
            }
        }
    }
}

void ADC12_0_INST_IRQHandler(void) {
  switch (DL_ADC12_getPendingInterrupt(ADC12_0_INST)) {
  case DL_ADC12_IIDX_MEM0_RESULT_LOADED:
    gCheckADC = true;
    break;
  default:
    break;
  }
  DL_ADC12_enableConversions(ADC12_0_INST);
}