?? sci_test.c
字號:
#include "DSP28_Device.h"
unsigned int Sci_VarRx[100];
unsigned int i,j;
unsigned int Send_Flag;
void main(void)
{
/*初始化系統*/
InitSysCtrl();
/*關中斷*/
DINT;
IER = 0x0000;
IFR = 0x0000;
/*初始化PIE中斷*/
InitPieCtrl();
/*初始化PIE中斷矢量表*/
InitPieVectTable();
/*初始化SCIA寄存器*/
InitSci();
for(i = 0; i < 100; i++)
{
Sci_VarRx[i] = 0;
}
i = 0;
j = 0;
Send_Flag = 0;
#if SCIA_INT
/*設置中斷服務程序入口地址*/
EALLOW; // This is needed to write to EALLOW protected registers
PieVectTable.TXAINT = &SCITXINTA_ISR;
PieVectTable.RXAINT = &SCIRXINTA_ISR;
EDIS; // This is needed to disable write to EALLOW protected registers
/*開中斷*/
IER |= M_INT9;
#endif
EINT; // Enable Global interrupt INTM
ERTM; // Enable Global realtime interrupt DBGM
for(;;)
{
if((SciaTx_Ready() == 1) && (Send_Flag == 1))
{
SciaRegs.SCITXBUF = Sci_VarRx[i];
Send_Flag = 0;
i++;
if(i == j)
{
i = 0;
j = 0;
}
}
#if !SCIA_INT
if(SciaRx_Ready() == 1)
{
Sci_VarRx[j] = SciaRegs.SCIRXBUF.all;
Send_Flag = 1;
j++;
if(j == 100)
{
j = 0;
}
}
#endif
}
}
//===========================================================================
// No more.
//===========================================================================
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