SCI.rar_DSP2812 SCI_DSP2812 sci发送_dspsci发送乱码_scidsp_site:www.pud

// // TMDX ALPHA RELEASE // Intended for product evaluation purposes // //########################################################################### // // FILE: DSP28_Sci.c // // TITLE: DSP28 SCI Initialization & Support Functions. // //########################################################################### // // Ver | dd mmm yyyy | Who | Description of changes // =====|=============|======|=============================================== // 0.55| 06 May 2002 | L.H. | EzDSP Alpha Release // 0.56| 20 May 2002 | L.H. | No change // 0.57| 27 May 2002 | L.H. | No change //########################################################################### #include "DSP28_Device.h" //--------------------------------------------------------------------------- // InitSPI: //--------------------------------------------------------------------------- // This function initializes the SPI(s) to a known state. // void InitSci(void) { // Initialize SCI-A: EALLOW; GpioMuxRegs.GPGMUX.all = 0x0030; EDIS; /* loopback disable 8 bit data */ ScibRegs.SCICCR.all = 0x07; // 1 bit stop, disable parity, idle mode, 8 bits data ScibRegs.SCICTL1.all = 0x03; // enable TX ScibRegs.SCICTL2.all = 0x03; // ScibRegs.SCIHBAUD = 0x00; ScibRegs.SCILBAUD = 0xA2; //f3 ScibRegs.SCICTL1.all = 0x23; PieCtrl.PIEIER9.bit.INTx3 = 1; PieCtrl.PIEIER9.bit.INTx4 = 1; //tbd... // Initialize SCI-B: //tbd... } /******************************************************************************** name: int SciaTx_Ready(void) input: none output: i 1: ready 0: busy *********************************************************************************/ int SciaTx_Ready(void) { unsigned int i; if(ScibRegs.SCICTL2.bit.TXRDY == 1) { i = 1; } else { i = 0; } return(i); } /******************************************************************************** name: int SciaRx_Ready(void) input: none output: i 1: new data 0: none *********************************************************************************/ int SciaRx_Ready(void) { unsigned int i; if(ScibRegs.SCIRXST.bit.RXRDY == 1) { i = 1; } else { i = 0; } return(i); }