ic_card_b.h

IC卡购电软件实现

#define uchar unsigned char
#define uint  unsigned int

#define W_C_GLCD    XBYTE[0xcfff]
#define W_D_GLCD    XBYTE[0xdfff]
#define R_B_GLCD    XBYTE[0xefff]
#define R_D_GLCD    XBYTE[0xffff]


sbit  SDA        = P1^0;           /* iic数据传送位 */
sbit  SCL        = P1^1;           /* iic时钟控制位 */
sbit  P3_6       = P3^6;
sbit  P1_3       = P1^3;
sbit  P1_4       = P1^4;
sbit  P1_5       = P1^5;
sbit  A_0        = ACC^0;
sbit  A_7        = ACC^7;
sbit  RST        = P1^7;
sbit  ch451_din  = P3^5;
sbit  ch451_clk  = P3^4;
sbit  ch451_load = P1^2;
sbit  ch451_dout = P3^3;
sbit  bflag      = ACC^7;


/* 函数声明 */ 
extern void   input_money(void);
extern void   decide_num(void);
extern void   input_num(void);
extern void   delay(void);
extern void   iic_wait(void);           /* iic延时       */
extern void   iic_start(void);          /* 开启iic总线   */
extern void   iic_stop(void);           /* 关闭iic总线   */
extern void   iic_ack(void);            /* 发送ACK信号   */
extern void   iic_no_ack(void);         /* 发送NOACK信号 */
extern bit    iic_wait_ack(void);       /* 等待ACK信号   */
extern void   iic_send_byte(uchar demand);               /* MCU向iic设备发送一个字节 */
extern uchar  iic_receive_byte(void);                     /* MCU从iic设备接收一个字节 */

extern void   ch451_write(unsigned int command);
extern void   write_iic_data(uchar write_data[], uchar address, uchar num);
extern void   read_iic_data(uchar read_data[], uchar address, uchar num);

extern void   initial_GLCD();              /*液晶屏初始化*/
extern void   command_GLCD(uchar ord);     /*写命令到液晶屏寄存器*/
extern void   chkbusy_GLCD();              /*检查液晶屏内部状态*/
extern void   write_GLCD(uchar dat);       /*写数据到液晶屏寄存器*/
extern void   ch451_init(void);

extern void   icdelay();
extern void   cardpulse();
extern uchar  cardrbyte();
extern void   cardwbyte(uchar ss);
extern void   rst_ans();
extern void   sendcommand(uchar comm,uchar address,uchar odata);
extern void   rdmm();
extern void   rdpm();
extern void   wrmm();
extern void   wrpm();
extern void   rdsm();
extern uchar  rdsm_ec();
extern void   sendpsc();
extern void   wrsm(uchar ec);
extern void   updatepsc();
extern uchar  verifi();

extern uchar  ch451_key;
extern uchar  key_flag;
extern uint   M;
extern uchar  m0;
extern uchar  m1;
extern uchar  m2;
extern uchar  m3;
extern uchar  flag_num;
extern uchar  input_code[4];
extern bit    flag_enter;
extern bit    flag_show;
extern uchar  flag_cnt;
extern uchar  RSTANSER[4];                     //4字节复位应答
extern uchar  ICCOMMAND[3];                    //3字节命令
extern uchar  ICADDRESS;                       //1字节地址
extern uchar  ICDATAIN;                        //1字节数据
extern uchar  ICLENTH;                         //1字节读写长度
extern uchar  ICCODE[3];      //3字节密码
extern uchar  ICDATA[32];   

extern uchar pdata ds_num[10];