管中窥豹-从国外论坛的一段代码看TI M0+的代码风格

1万 · 2023-2-12 23:05

m/*

 * Copyright (c) 2020, Texas Instruments Incorporated

 * All rights reserved.

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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

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 */



#include "ti_msp_dl_config.h"



volatile bool gCheckADC;

volatile uint16_t gAdcResult;



int main(void)

{

    SYSCFG_DL_init();



    NVIC_EnableIRQ(ADC12_0_INST_INT_IRQN);

    gCheckADC = false;



    while (1) {

       DL_ADC12_startConversion(ADC12_0_INST);



        while (false == gCheckADC) {

            __WFE();

        }



        gCheckADC = false;

        gAdcResult = DL_ADC12_getMemResult(ADC12_0_INST, DL_ADC12_MEM_IDX_0);



        if (gAdcResult > 0x200) {

            DL_GPIO_setPins(GPIO_LEDS_PORT, GPIO_LEDS_USER_LED_1_PIN);

        } else {

            DL_GPIO_clearPins(GPIO_LEDS_PORT, GPIO_LEDS_USER_LED_1_PIN);

        }

        DL_ADC12_enableConversions(ADC12_0_INST);

    }

}



void ADC12_0_INST_IRQHandler(void)

{

    switch (DL_ADC12_getPendingInterrupt(ADC12_0_INST)) {

        case DL_ADC12_IIDX_MEM0_RESULT_LOADED:

            gCheckADC = true;

            DL_ADC12_disableConversions(ADC12_0_INST);

            break;

        default:

            break;

    }

}