?? example_28xgpio.c
字號(hào):
#include "DSP28_Device.h"
#include "DSP28_Globalprototypes.h"
unsigned int Sci_VarRx[100];
unsigned int i,j;
unsigned int Send_Flag;
#define SetData GpioDataRegs.GPFDAT.bit.GPIOF0 = 1
#define ClrData GpioDataRegs.GPFDAT.bit.GPIOF0 = 0
#define SetClk GpioDataRegs.GPFDAT.bit.GPIOF2 = 1
#define ClrClk GpioDataRegs.GPFDAT.bit.GPIOF2 = 0
unsigned int *LedReg = (unsigned int *)0x23FF;
unsigned int *Led8Lock = (unsigned int *)0x25FF;
const Uint16 LedCode[]={0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE,0xFF};
const Uint16 SpiCode[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,0xFF};
Uint16 LedCount = 0;
Uint16 SpiCount = 0;
interrupt void ISRTimer0(void);
interrupt void ISRTimer2(void);
void SendData(Uint16 data);
void main(void)
{
/*初始化系統(tǒng)*/
InitSysCtrl();
/*關(guān)中斷*/
DINT;
IER = 0x0000;
IFR = 0x0000;
/*初始化PIE*/
InitPieCtrl();
/*初始化PIE中斷矢量表*/
InitPieVectTable();
/*初始化外設(shè)*/
InitPeripherals();
InitGpio();
EALLOW;
PieVectTable.TINT0 = &ISRTimer0;
PieVectTable.TINT2 = &ISRTimer2;
EDIS;
/*設(shè)置CPU*/
ConfigCpuTimer(&CpuTimer0, 10, 1000000);
ConfigCpuTimer(&CpuTimer2, 50, 1000000);
StartCpuTimer0();
StartCpuTimer2();
/*開(kāi)中斷*/
IER |= M_INT1;
IER |= M_INT14;
PieCtrl.PIEIER1.bit.INTx7=1;
EINT; // Enable Global interrupt INTM
ERTM; // Enable Global realtime interrupt DBGM
*Led8Lock = 0XB7;
*LedReg = 0xFF;
for(;;);
}
interrupt void ISRTimer0(void)
{
PieCtrl.PIEACK.bit.ACK7=1;
*LedReg = LedCode[LedCount];
LedCount++;
if (LedCount>8) LedCount=0;
}
interrupt void ISRTimer2(void)
{
SendData(SpiCode[SpiCount]);
SpiCount++;
if (SpiCount>16) SpiCount=0;
}
void Delay(Uint16 data)
{
Uint16 i;
for (i=0;i<data;i++) { ; }
}
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;
Delay(10);
SetClk;
}
*Led8Lock = 0xB7;
Delay(10);
*Led8Lock = 0xBF;
SetData;
}
//===========================================================================
// No more.
//===========================================================================
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