mima.rar_密码

#include<reg51.h> #include"intrins.h" void long_delay(void); void short_delay(void); void delay10ms(unsigned char); void write7279(unsigned char, unsigned char); unsigned char read7279(unsigned char); void send_byte(unsigned char); unsigned char receive_byte(void); unsigned char keym(void); void set_passward(void); void input_passward(void); void flash(void); void new_a(void); void new_c(void); void write_Good(void); void write_Error(void); unsigned char key_number,j,k; unsigned int tmr,n,m,a; unsigned int code_a[8]={0},answer_a[8]={0}; unsigned long wait_cnter; sbit cs=P2^2; sbit clk=P1^2; sbit dat=P1^3; sbit key=P3^3; #define CMD_RESET 0xa4 #define CMD_TEST 0xbf #define DECODE0 0x80 #define DECODE1 0xc8 #define CMD_READ 0x15 #define UNDECODE 0x90 #define RTL_CYCLE 0xa3 #define RTR_CYCLE 0xa2 #define RTL_UNCYL 0xa1 #define RTR_UNCYL 0xa0 #define ACTCTL 0x98 #define SEGON 0xe0 #define SEGOFF 0xc0 #define BLINKCTL 0x88 //主程序 main() { while(1) { key_number=keym(); while(key_number==0) {key_number=keym();} switch(key_number) { case 0x0b:{input_passward;break;} case 0x13:{set_passward;break;} } key_number=0; } } void write7279(unsigned char cmd, unsigned char dta) { send_byte (cmd); send_byte (dta); } unsigned char read7279(unsigned char command) { send_byte(command); return(receive_byte()); } void send_byte( unsigned char out_byte) { unsigned char i; cs=0; long_delay(); for (i=0;i<8;i++) { if (out_byte&0x80) { dat=1; } else { dat=0; } clk=1; short_delay(); clk=0; short_delay(); out_byte=out_byte*2; } dat=0; } unsigned char receive_byte(void) { unsigned char i, in_byte; dat=1; long_delay(); for (i=0;i<8;i++) { clk=1; short_delay(); in_byte=in_byte*2; if (dat) { in_byte=in_byte|0x01; } clk=0; short_delay(); } dat=0; return (in_byte); } void long_delay(void) { unsigned char i; for (i=0;i<0x30;i++); } void short_delay(void) { unsigned char i; for (i=0;i<8;i++); } void delay10ms(unsigned char time) { unsigned char i; unsigned int j; for (i=0;i<time;i++) { for(j=0;j<0x390;j++) { if (!key) { key_int(); } } } } //密码设置 void set_passward(void) { input_passward(); if(a=1) { n=-1; new_c(); write7279(0x98,0xff); flash(); while(key_number!=0x03) { key_number=keym(); switch(key_number) { case 0x06:{ n++; write7279(DECODE0+n,1); write7279(0x88,n); code_a[n]=key_number;break;} case 0x0e:{ n++; write7279(DECODE0+n,2); write7279(0x88,n); code_a[n]=key_number;break;} case 0x16:{ n++; write7279(DECODE0+n,3); write7279(0x88,n); code_a[n]=key_number;break;} case 0x05:{ n++; write7279(DECODE0+n,4); write7279(0x88,n); code_a[n]=key_number;break;} case 0x0d:{ n++; write7279(DECODE0+n,5); write7279(0x88,n); code_a[n]=key_number;break;} case 0x15:{ n++; write7279(DECODE0+n,6); write7279(0x88,n); code_a[n]=key_number;break;} case 0x04:{ n++; write7279(DECODE0+n,7); write7279(0x88,n); code_a[n]=key_number;break;} case 0x0c:{ n++; write7279(DECODE0+n,8); write7279(0x88,n); code_a[n]=key_number;break;} case 0x14:{ n++; write7279(DECODE0+n,9); write7279(0x88,n); code_a[n]=key_number;break;} case 0x1e:{ n++; write7279(DECODE0+n,0); write7279(0x88,n); code_a[n]=key_number;break;} } key_number=0; a=0; } } } //输入密码 void input_passward(void) { write7279(0x98,0xff); flash(); m=-1; new_a(); while(key_number!=0x03) {key_number=keym();} switch(key_number) { case 0x06:{ m++; write7279(DECODE0+m,1); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x0e:{ m++; write7279(DECODE0+m,2); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x16:{ m++; write7279(DECODE0+m,3); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x05:{ m++; write7279(DECODE0+m,4); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x0d:{ m++; write7279(DECODE0+m,5); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x15:{ m++; write7279(DECODE0+m,6); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x04:{ m++; write7279(DECODE0+m,7); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x0c:{ m++; write7279(DECODE0+m,8); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x14:{ m++; write7279(DECODE0+m,9); write7279(0x88,m); answer_a[m]=key_number;break;} case 0x1e:{ m++; write7279(DECODE0+m,0); write7279(0x88,m); answer_a[m]=key_number;break;} } key_number=0; if(code_a[0]==answer_a[0]&code_a[1]==answer_a[1]&code_a[2]==answer_a[2] &code_a[3]==answer_a[3]&code_a[4]==answer_a[4]&code_a[5]==answer_a[5] &code_a[6]==answer_a[6]&code_a[7]==answer_a[7]) {write_Good();a=1;} else {write_Error();a=0;} } //输出“GOOD” void write_Good(void) { write7279(0x98,0x3c); write7279(0x92,0xa7); write7279(0x93,0x35); write7279(0x94,0x35); write7279(0x95,0x75); } //输出“Error” void write_Error(void) { write7279(0x98,0x7c); write7279(0x91,0x4f); write7279(0x92,0x66); write7279(0x93,0x66); write7279(0x94,0x7e); write7279(0x95,0x66); } //按键防抖处理 unsigned char keym(void) { unsigned char keyv; if(key) return(0); delay10ms(1); if(key) return(0); else { keyv=read7279(CMD_READ); for(;;) { if(key) break; } return(keyv); } } //待输入闪烁显示 void flash(void) { write7279(BLINKCTL,0x08); write7279(UNDECODE,0x08); write7279(UNDECODE+1,0x08); write7279(UNDECODE+2,0x08); write7279(UNDECODE+3,0x08); write7279(UNDECODE+4,0x08); write7279(UNDECODE+5,0x08); write7279(UNDECODE+6,0x08); write7279(UNDECODE+7,0x08); } //数组初始化 void new_a(void) { answer_a[0]=0; answer_a[1]=0; answer_a[2]=0; answer_a[3]=0; answer_a[4]=0; answer_a[5]=0; answer_a[6]=0; answer_a[7]=0; } void new_c(void) { code_a[0]=0; code_a[1]=0; code_a[2]=0; code_a[3]=0; code_a[4]=0; code_a[5]=0; code_a[6]=0; code_a[7]=0; }