main.c

125K曼彻斯特编码的只读ID卡读头程序

/*
+---------------------------------------------------+
| Project: MAIN with STC12CX052                     |
| File:    MAIN.c                                   |
| Data:    2008-12-08                               |
| Version: V 1.0                                    |
| Initial Editor: Li Jifeng                         |
+---------------------------------------------------+
| following environments are supported              |
| Processor: STC12CX052                             |
| Compiler: WAVE V                                  |
| hardware: JF-2008                                 |
+---------------------------------------------------+
|    Copyright (C) JF Ltd, 2008                     |
|       All Rights reserved                         |
+---------------------------------------------------+
| 功能简介: the main function                       |
+---------------------------------------------------+
*/

#include "system.h"

//extern bit uart_rcv_finish,tx_flag;
extern UINT8 data card_code[12];
extern bit wait_flag;        //等待发送标志
extern bit led_flag;         //led显示标志
extern bit new_flag;         //读到新卡标志

main()
{
    sys_init();
    while (1)
    {
       //WDT_CONTR = 0x3C;             //喂狗
       read_head();
       if (new_flag)
       {
          new_flag = 0;
          //decode_data();
          putspi(card_code,12);
       }
       //if((!wait_flag)&(!led_flag))
       //{
       //   CR = 0;
       //}
    }
}