sci.rar_DSP SCI_DSPSCI程序_sci

#include "DSP28_Device.h" unsigned int Sci_VarRx[100]; unsigned int i,j; unsigned int Send_Flag; void main(void) { /*初始化系统*/ InitSysCtrl(); /*关中断*/ DINT; IER = 0x0000; IFR = 0x0000; /*初始化PIE中断*/ InitPieCtrl(); /*初始化PIE中断矢量表*/ 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 /*设置中断服务程序入口地址*/ 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 /*开中断*/ 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. //===========================================================================