改进程序使LED亮出一定的规律，看起来高大上的感觉

只看该作者 · 2016-12-10 19:53

#include "DSP2833x_Device.h"    // DSP2833x Headerfile Include File
#include "DSP2833x_Examples.h" // DSP2833x Examples Include File

#define    LED4 GpioDataRegs.GPADAT.bit.GPIO0
#define    LED3 GpioDataRegs.GPADAT.bit.GPIO1
#define    LED1 GpioDataRegs.GPADAT.bit.GPIO6
#define    LED2 GpioDataRegs.GPADAT.bit.GPIO7

interrupt void ISRTimer0(void);
void configtestled(void);

void main(void)
{

InitSysCtrl();

InitXintf16Gpio();

DINT;

InitPieCtrl();

IER = 0x0000;
IFR = 0x0000;

InitPieVectTable();

EALLOW;
PieVectTable.TINT0 = &ISRTimer0;
EDIS;

InitCpuTimers();

ConfigCpuTimer(&CpuTimer0, 150, 500000);

StartCpuTimer0();
IER |= M_INT1;

GpioDataRegs.GPBSET.bit.GPIO60=1;
PieCtrlRegs.PIECTRL.bit.ENPIE = 1;
PieCtrlRegs.PIEIER1.bit.INTx7 = 1;

EINT;
ERTM;
configtestled();
LED1=1;
DELAY_US(10);
LED2=1;
DELAY_US(10);
LED3=0;
DELAY_US(10);
LED4=0;
DELAY_US(10);
for(; ;);
}

interrupt void ISRTimer0(void)
{
PieCtrlRegs.PIEACK.all = PIEACK_GROUP1;
CpuTimer0Regs.TCR.bit.TIF=1;
CpuTimer0Regs.TCR.bit.TRB=1;
      LED1=~LED1;
LED2=~LED2;
      LED3=~LED3;
LED4=~LED4;
}

void configtestled(void)
{
EALLOW;
GpioCtrlRegs.GPAMUX1.bit.GPIO0 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO0 = 1;
GpioCtrlRegs.GPAMUX1.bit.GPIO1 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO1 = 1;
GpioCtrlRegs.GPAMUX1.bit.GPIO6 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO6 = 1;
GpioCtrlRegs.GPAMUX1.bit.GPIO7 = 0;
GpioCtrlRegs.GPADIR.bit.GPIO7 = 1;
EDIS;
}