t4_init.c

SDH光端机支路单元盘开发,都是作者工程实践的经验总结,具有很高的工程指导价值和现实推广前景

/****************************************/
/* Copyright (c) 2004, 通信工程学院戴佳 */
/* All rights reserved.                 */
/* 作    者：戴佳                       */
/****************************************/

#include <other.h>

void T4_Init()
{
  T4_007=T4_007|0x80;   	//RESET =1
  delay1ms();
  T4_007=T4_007&0x7F;  		//RESET=0

  //CEPT=1;
  T4_000=0x01;
  T4_040=0x01;
  T4_080=0x01;
  T4_0C0=0x01;
  //CEPT=1
  T4_001=0x01;
  T4_041=0x01;
  T4_081=0x01;
  T4_0C1=0x01;

  //THS=1
  T4_030=T4_030|0x01;
  T4_070=T4_070|0x01;
  T4_0B0=T4_0B0|0x01;
  T4_0F0=T4_0F0|0x01;

  T4_010=0x60;
  T4_050=0x60;
  T4_090=0x60;
  T4_0D0=0x60;

  T4_01F=T4_01F&0xFC;		//SYNC=0,LIMIT=0 
  T4_01F=T4_01F|0x10;
  T4_05F=T4_05F&0xFC;		//SYNC=0,LIMIT=0
  T4_05F=T4_05F|0x10;
  T4_09F=T4_09F&0xFC;		//SYNC=0,LIMIT=0
  T4_09F=T4_09F|0x10;
  T4_0DF=T4_0DF&0xFC;		//SYNC=0,LIMIT=0
  T4_0DF=T4_0DF|0x10;

  T4_02C=T4_02C&0x7F; 		//RPT=0
  T4_06C=T4_06C&0x7F; 		//RPT=0
  T4_0AC=T4_0AC&0x7F; 		//RPT=0
  T4_0EC=T4_0EC&0x7F; 		//RPT=0
  T4_02E=T4_02E&0xF8;
  T4_06E=T4_06E&0xF8;
  T4_0AE=T4_0AE&0xF8;
  T4_0EE=T4_0EE&0xF8;
  T4_02F=T4_02F&0xF0;
  T4_06F=T4_06F&0xF0;
  T4_0AF=T4_0AF&0xF0;
  T4_0EF=T4_0EF&0xF0;
  T4_02F=T4_02F|0x08;      	//8
  T4_06F=T4_06F|0x08;
  T4_0AF=T4_0AF|0x08;
  T4_0EF=T4_0EF|0x08;

  T4_02E=T4_02E|0x01;
  T4_06E=T4_06E|0x01;
  T4_0AE=T4_0AE|0x01;
  T4_0EE=T4_0EE|0x01;
  T4_02F=T4_02F|0x08;      	//8
  T4_06F=T4_06F|0x08;      	//8
  T4_0AF=T4_0AF|0x08;      	//8
  T4_0EF=T4_0EF|0x08;      	//8

  T4_02E=T4_02E&0xFE;
  T4_06E=T4_06E&0xFE;
  T4_0AE=T4_0AE&0xFE;
  T4_0EE=T4_0EE&0xFE;
  T4_02E=T4_02E|0x02;
  T4_06E=T4_06E|0x02;
  T4_0AE=T4_0AE|0x02;
  T4_0EE=T4_0EE|0x02;
  T4_02F=T4_02F|0x08;      	//8
  T4_06F=T4_06F|0x08;      	//8
  T4_0AF=T4_0AF|0x08;      	//8
  T4_0EF=T4_0EF|0x08;      	//8

  T4_02E=T4_02E|0x01;
  T4_06E=T4_06E|0x01;
  T4_0AE=T4_0AE|0x01;
  T4_0EE=T4_0EE|0x01;
  T4_02F=T4_02F|0x08;      	//8
  T4_06F=T4_06F|0x08;      	//8
  T4_0AF=T4_0AF|0x08;      	//8
  T4_0EF=T4_0EF|0x08;      	//8

  T4_02E=T4_02E&0xFC;
  T4_06E=T4_06E&0xFC;
  T4_0AE=T4_0AE&0xFC;
  T4_0EE=T4_0EE&0xFC;
  T4_02E=T4_02E|0x04;
  T4_06E=T4_06E|0x04;
  T4_0AE=T4_0AE|0x04;
  T4_0EE=T4_0EE|0x04;
  T4_02F=T4_02F&0xF0;      	//0
  T4_06F=T4_06F&0xF0;      	//0
  T4_0AF=T4_0AF&0xF0;      	//0
  T4_0EF=T4_0EF&0xF0;      	//0

  T4_02E=T4_02E|0x01;
  T4_06E=T4_06E|0x01;
  T4_0AE=T4_0AE|0x01;
  T4_0EE=T4_0EE|0x01;
  T4_02F=T4_02F&0xF0;      	//0
  T4_06F=T4_06F&0xF0;      	//0
  T4_0AF=T4_0AF&0xF0;      	//0
  T4_0EF=T4_0EF&0xF0;      	//0

  T4_02E=T4_02E&0xFC;      	//0
  T4_06E=T4_06E&0xFC;      	//0
  T4_0AE=T4_0AE&0xFC;      	//0
  T4_0EE=T4_0EE&0xFC;      	//0
  T4_02E=T4_02E|0x02;
  T4_06E=T4_06E|0x02;
  T4_0AE=T4_0AE|0x02;
  T4_0EE=T4_0EE|0x02;
  T4_02F=T4_02F&0xF0;
  T4_06F=T4_06F&0xF0;
  T4_0AF=T4_0AF&0xF0;
  T4_0EF=T4_0EF&0xF0;

  T4_02E=T4_02E|0x01;
  T4_06E=T4_06E|0x01;
  T4_0AE=T4_0AE|0x01;
  T4_0EE=T4_0EE|0x01;
  T4_02F=T4_02F&0xF0;      	//0
  T4_06F=T4_06F&0xF0;      	//0
  T4_0AF=T4_0AF&0xF0;      	//0
  T4_0EF=T4_0EF&0xF0;      	//0
  T4_02C=T4_02C|0x80; 		//RPT=1
  T4_06C=T4_06C|0x80; 		//RPT=1
  T4_0AC=T4_0AC|0x80; 		//RPT=1
  T4_0EC=T4_0EC|0x80; 		//RPT=1

  T4_00A=T4_00A|0x00;   	//PLLREF[1]=0,PLLREF[0]=1;FIFOBYP=1
  T4_04A=T4_04A|0x00;
  T4_08A=T4_08A|0x00;
  T4_0CA=T4_0CA|0x00;

  T4_01D=0xFF;      		//N1=0xFF for E1 
  T4_05D=0xFF;
  T4_09D=0xFF;
  T4_0DD=0xFF;
  T4_01E=0xFF;     			//N2=0xFF for E1 
  T4_05E=0xFF;
  T4_09E=0xFF;
  T4_0DE=0xFF;

}