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TM8888.C
Package: TELEPHONE.rar [view]
Upload User: woden7206
Upload Date: 2015-11-28
Package Size: 14486k
Code Size: 3k
Category:
SCM
Development Platform:
MultiPlatform
- #include <at89x51.h>
- #include <absacc.h>
- #include <intrins.h>
- #include <MT8888.h>
- void main(void)
- {
- init();
- while(1)
- {
- // mode_cp();
- mode_DTMFOUT();
- // mode_DTMFIN();
- // ONTEL=0;
- }
- }
- void mode_cp(void)
- {
- TMOD=0x11;
- TH1=0;
- TL1=0;
- TH0=0;
- TL0=0;
- ONTEL=1;
- P0=0xff;
- while(INT);
- while(!INT);
- TR1=1;
- while(INT);
- // TR1=0;
- // TR0=1;
- while(!INT);
- TR1=0;
- _nop_();
- }
- void mode_DTMFOUT(void)
- {
- uchar a;
- ONTEL=1;
- delayms(1000);
- XBYTE[0x4000]=0x01;
- delayms(500);
- XBYTE[0x4000]=0x0a;
- delayms(500);
- XBYTE[0x4000]=0x0a;
- delayms(500);
- XBYTE[0x4000]=0x05;
- delayms(500);
- a=XBYTE[0x0100];
- P1=0x02;
- _nop_();
- /* uchar a;
- ONTEL=1;
- P0=0xff;
- delayms(1000);
- a=0x09;
- writedata(a);
- delayms(2000);
- a=0x01;
- writedata(a);
- delayms(500);
- a=0x0a;
- writedata(a);
- delayms(500);
- a=0x0a;
- writedata(a);
- delayms(500);
- a=0x05;
- writedata(a);
- delayms(500);
- a=0x06;
- writedata(a);
- delayms(500);
- a=0x07;
- writedata(a);
- delayms(500);
- a=0x07;
- writedata(a);
- delayms(500);
- a=0x01;
- writedata(a);
- delayms(500);
- a=0x07;
- writedata(a);
- delayms(500);
- a=0x04;
- writedata(a);
- delayms(500);
- a=0x08;
- writedata(a);
- delayms(500);
- a=readsr();
- */
- }
- void mode_DTMFIN(void)
- {
- uchar a;
- ONTEL=1;
- P0=0xff;
- do
- {
- a=readsr();
- }while((a&0x04)==0);
- a=readdata();
- _nop_();
- }
- void init(void)
- {
- uchar a;
- P1=0;
- ONTEL=0;
- delayms(100);
- XBYTE[0x0100]=0;
- XBYTE[0x0100]=0;
- XBYTE[0x0100]=0x08;
- XBYTE[0x0100]=0;
- a=XBYTE[0x0100];
- XBYTE[0x0100]=0x01;
- delayms(100);
- XBYTE[0x0100]=0x09;
- XBYTE[0x0100]=0;
- /*
- a=readsr();
- a=0x00;
- writesr(a);
- writesr(a);
- a=0x08;
- writesr(a);
- a=0x00;
- writesr(a);
- a=readsr();
- a=0x06;//01;
- writesr(a);
- delayms(100);
- a=0x0e;//09;
- writesr(a);
- a=0x00;
- writesr(a);
- */
- }
- uchar readsr(void)
- {
- uchar b;
- WRE=1;
- RDE=0;
- RSE=1;
- CSE=0;
- _nop_();
- _nop_();
- b=P0&0x0f;
- CSE=1;
- return(b);
- }
- void writesr(uchar a)
- {
- WRE=0;
- RDE=1;
- RSE=1;
- CSE=0;
- _nop_();
- _nop_();
- P0=a;
- _nop_();
- _nop_();
- CSE=1;
- }
- uchar readdata(void)
- {
- uchar b;
- WRE=1;
- RDE=0;
- RSE=0;
- CSE=0;
- _nop_();
- _nop_();
- b=P0&0x0f;
- CSE=1;
- return(b);
- }
- void writedata(uchar a)
- {
- WRE=0;
- RDE=1;
- RSE=0;
- CSE=0;
- _nop_();
- _nop_();
- P0=a;
- _nop_();
- _nop_();
- CSE=1;
- }
- void delayms(uint n)
- {
- uint b;
- while(n>0)
- {
- for(b=0;b<100;b++);
- n--;
- }
- }