com.c

T108 LCD屏的DEMO源代码！需要的就下吧

/* ##########################################################################
   #                      Terawins Inc. Company                             #
   #                 Copyright (c) 2005, All rights reserved                #
   #                                                                        #
   #  All rights reserved. Reproduction in whole or in parts is prohibited  #
   #  without the prior written consent.                                    #
   ########################################################################## */
   
////////////////////////////////////////////////////////////////////////////////
//                                                                            //
//                          LCD Application Firmware                          //
// ========================================================================== //
//                                                                            //
//  Module   : Com.c                                                          //
//                                                                            //
//  Purpose  : UART communication routine                                     //
//                                                                            //
//  Version  : 1.00                                                           //
//                                                                            //
//  Compiler : Keil 8051 C Compiler v7.0                                      //
//                                                                            //
//  Reference: [1] Keil C51 Compiler User's Guide 09.2001, Keil Software, Inc.//
//                                                                            //
// ========================================================================== //
//                                                                            //
//  Date        Author        Reason (what and why)                           //
//  ----------- ------------- ----------------------------------------------  //
//  2005/12/30  Bruce Cho     Initial Draft                                   //
//                                                                            //
////////////////////////////////////////////////////////////////////////////////
#define __COM_C__

#ifdef __COM_C__
#include "Com.h"
#include "reg51.h"
//#include "ICControl.h"


// _____________________________________________________________________________
//
// Private module variables (static module global 's_' prefixed for 's'tatic)
//
char code s_moduleInfo[] = __FILE__ " modified " __DATE__ " at " __TIME__;

// Ring variables.
//static          uCHAR            RING_MEM_SPACE s_rxRing[RX_RING_SIZE];
uCHAR            RING_MEM_SPACE s_txRing[TX_RING_SIZE];
//static          bit          data           s_translateEol;
//static volatile bit          data           s_rxRingEmpty;
bit           s_txRingEmpty;
//static volatile RxRingIndex   data           s_rxWrIdx;
//static volatile RxRingIndex   data           s_rxRdIdx;
TxRingIndex             s_txWrIdx;
TxRingIndex             s_txRdIdx;
//static          UartBaudRates data           s_currentBaudRate;

//extern static volatile int data s_UartTimeOut;

//=======================================================================
// Function:  initUart
//
// Description:
// ------------
// Sets up the 8051 Serial Port for UART (SCON.SM1 = 1, Mode 1) operation and
// initializes the ring buffers.
//
// Design Notes:
// -------------
// uCHAR framing is 8-N-1.
//=======================================================================
bit UartInit(void)
{
//	IC_WritByte(0x00,0x91,0x87);
//	IC_WritByte(0x100,0xb8,0x40);
//	IC_WritByte(0x00,0x9d,0xff);

    // For restartability.
    ES = 0;
	TR1=0;

    // Setup the baud rate generator.
//    if (setUartBaudRate(baudRate)) return FALSE;

    // Setup the serial port.
    SCON = SCON_8N1 | SCON_REN;
//	SCON = 0x50;
	TMOD=T1_MODE ;      // Timer1 in Mode 2

	// 砞﹚baudrate=19200
	PCON |=PCON_SMOD;
	TH1=TH1_VALUE  ;      // 0xfd:baud rate 9600
	TL1=TH1_VALUE  ;      // 0xfd:baud rate 9600
	TR1=1 ;          // Timer1 璓