File "scidemo.c"

Full Path: /home/analogde/www/68hc11/68HC12/scidemo.c
File size: 2.78 KB
MIME-type: text/x-c
Charset: utf-8

5a0
HTTP/1.1 200 OK
Date: Sat, 18 Jun 2005 20:13:45 GMT
Server: Apache/1.3.26 (Unix) Debian GNU/Linux mod_perl/1.26 mod_ssl/2.8.9 OpenSSL/0.9.6g PHP/4.1.2
Last-Modified: Wed, 08 Jan 2003 19:43:49 GMT
ETag: "cac4a4-9ba-3e1c7f75"
Accept-Ranges: bytes
Content-Length: 2490
Keep-Alive: timeout=15, max=99
Connection: Keep-Alive
Content-Type: text/x-csrc

// filename  SCIDEMO.C  

// Jonathan W. Valvano,  12/21/02

// This is a good starter file if you use serial I/O 

// PortS SCI Port0 serial I/O 

// COP reset will be disabled by COPCTL=0;

 

// Copyright 2003 by Jonathan W. Valvano, valvano@uts.cc.utexas.edu 

//    You may use, edit, run or distribute this file 

//    as long as the above copyright notice remains 



#include "HC12.h"

#include "SCI12.H"

// These variables should be local, but

// I placed as global to assist in debugging

char string[10];  

unsigned short n;



//**************Init**************

// Initialize PortT and timer

void Init(void){

  COPCTL = 0x00;    // disable COP 

  DDRT |= 0x40;     // PortT bit 6 is output to LED

  TSCR = 0x80;      // TEN(enable)

}



//*****************OutCRLF***************

// Output a CR,LF to go to a new line

// toggle PortT bit 6 each time, debugging profile

void OutCRLF(void){

  SCI_OutChar(CR);

  SCI_OutChar(LF);

  PORTT ^= 0x40;          // toggle bit 6

}



//*****************OutSPSP***************

// Output two spaces

void OutSPSP(vo
41a
id){

  SCI_OutChar(SP);

  SCI_OutChar(SP);

}

 

//*****************Display***************

// Display 16-bit number in all three formats

void Display(short number){

  SCI_OutString(" OutUDec="); SCI_OutUDec(number); 

  SCI_OutString(" OutSDec="); SCI_OutSDec(number); 

  SCI_OutString(" OutUHex="); SCI_OutUHex(number); 

  OutCRLF();

}

 

void main(void){  

  Init();     // initialize COP, Port T 

  SCI_Init(13);

  

  SCI_OutString("Adapt812 SCI demo  12/21/02 -JWV"); OutCRLF();

  

  Display(0x8000);

  Display(-32767);

  Display(-32766);

  Display(-1);

  Display(0);

  Display(32765);

  Display(32766);

  Display(32767);



  while(1){

    SCI_OutString("InString: "); 

    SCI_InString(string,10); OutSPSP(); SCI_OutString(string); SCI_OutChar(SP); 

    n=0; 

    while(string[n]){

      SCI_OutChar(SCI_UpCase(string[n]));

      n++;

    }  

    OutSPSP(); 

    SCI_upCaseString(string); SCI_OutString(string); OutCRLF();

    SCI_OutString("InUDec: "); n=SCI_InUDec(); Display(n); 

    SCI_OutString("InSDec: 
0

"); n=SCI_InSDec(); Display(n);    

    SCI_OutString("InUHex: "); n=SCI_InUHex(); Display(n);

  }

}

#include "SCI12.C"

// SCI12.C  uses gadfly synchronization

// SCI12a.C uses interrupt synchronization



extern void _start();	/* entry point in crt12.s */

#pragma abs_address:0xfffe

void (*reset_vectors[])() = { _start };

#pragma end_abs_address