cputimer2.c

来自「TMS320F2812_Program,very good Programs.」· C语言 代码 · 共 86 行

#include "DSP28_Device.h"
#include "ext_inf.h"
unsigned int Led_Flag;

interrupt void ISRTimer2(void);
void	SendData(Uint16	 data);

void main(void)
{

	/*初始化系统*/
	InitSysCtrl();

	/*关中断*/
	DINT;
	IER = 0x0000;
	IFR = 0x0000;
	Led_Flag = 0;

	/*初始化PIE*/
	InitPieCtrl();

	/*初始化PIE中断矢量表*/
	InitPieVectTable();	
	
	/*初始化外设*/
    InitPeripherals();
    

	EALLOW;	
	PieVectTable.TINT2 = &ISRTimer2;
	EDIS;   
    
	/*设置CPU*/
	ConfigCpuTimer(&CpuTimer2, 50, 1000000);	
 	StartCpuTimer2();

    /*开中断*/
	IER |= M_INT14;

	EINT;   // Enable Global interrupt INTM
	ERTM;	// Enable Global realtime interrupt DBGM

	*LedReg = 0xFF;
	*Led8Lock = 0xB7;
	SendData(0xFF);
	for(;;);

} 	

interrupt void ISRTimer2(void)
{
	CpuTimer2.InterruptCount++;
	if(Led_Flag == 1)
	{
		*LedReg = 0xAA;
		Led_Flag = 0;
	}
	else
	{
		*LedReg = 0x55;
		Led_Flag = 1;
	}
}
void	SendData(Uint16 data)
{
	Uint16	i,Temp;
	Temp = 0x80;
	for	(i=0;i<8;i++)
		{
			if ((data & Temp)==0)	ClrData;
			else	SetData;
			Temp >>= 1;
			ClrClk;
			SetClk;
		}
	*Led8Lock = 0xB7;
	*Led8Lock = 0xBF;
	SetData;		
}

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// No more.
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