[问答]

0808.C(425): error C141: syntax error near 'void'

2914

问答对人有帮助，内容完整，我也想知道答案 0 想问问哪里错啊。 /电子密码锁/ #include #include #include #define uchar unsigned char #define uint unsigned int #define C02_write 0xa0 //c02 写地址 #define C02_read 0xa1 //c02 读地址 #define no0 0x28 //定义键码 #define no1 0x14 #define no2 0x24 #define no3 0x44 #define no4 0x12 #define no5 0x22 #define no6 0x42 #define no7 0x11 #define no8 0x21 #define no9 0x41 #define open 0x81 #define modify 0x82 #define enter 0x88 #define backspace 0x84 #define lcm_write_cmd_add XBYTE[0x80FF] //1602 控制地址 #define lcm_write_data_add XBYTE[0x81FF] #define lcm_read_busy_add XBYTE[0x82FF] uchar idata temp5_password[6]={0x00,0x00,0x00,0x00,0x00,0x00}; uchar idata key_code[]={no0,no1,no3,no4,no5,no6,no7,no8,no9}; *it SCL=P3^0; it SDA=P3^1; it i=P3^2; it led=P3^3; *it beep=P3^4; bit ack; void delay0(uchar x) // 延时函数 { uchar i; while(x--) { for (i = 0; i<13; i++); } } void delayms(uchar i) { uchar j; for(;i>0;i--) for(j=124;j>0;j--); } void longdelay(uchar i) { uint j; for(;i>0;i--) for(j=10000;j>0;j--); } void keysound() //按键声音函数 { uchar i; for (i=0;i<180;i++) { delay0(5); beep=!beep; //BEEP 取反 } } void alarm1() //报警函数 { uchar k; for (k=0; k<10; k++)keysound(); } void lcm_wait() { while(lcm_read_busy_add&0x80); //读取 LCD 忙标志 } void lcm_write_cmd(uchar lcm_cmd) //写控制字 { lcm_wait(); lcm_write_cmd_add=lcm_cmd; } void lcm_write_data(uchar lcm_data) //写显示数据 { lcm_wait(); lcm_write_data_add=lcm_data; } void lcm_setxy(uchar x,uchar y) //光标定位,x 定位字符位置，y 为行数 { if(y==1) lcm_write_cmd(x\|0x80); //定位第一行 if(y==2) lcm_write_cmd(x\|0xc0); //定位第二行 } void lcm_write_string(uchar string) //字符串显示 { uchar i=0; while(string[i]!='') { lcm_write_data(string[i]); i++; } } void lcm_init() //LCD 初始化 { delayms(20); lcm_write_cmd_add=0x38; delayms(4); lcm_write_cmd_add=0x38; delayms(1); lcm_write_cmd_add=0x38; lcm_write_cmd(0x38); lcm_write_cmd(0x0f); lcm_write_cmd(0x01); lcm_write_cmd(0x06); } void I2C_start(void) //I2C 开始信号 { SDA=1; SCL=1; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SDA=0; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SCL=0; _nop_(); _nop_(); } void I2C_stop(void) //I2C 结束 { SDA=0; SCL=1; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SDA=1; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SCL=0; _nop_(); _nop_(); } void I2C_no_ackownledge(void) //发送 noack 信号 { SDA=1; _nop_(); _nop_(); SCL=1; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SCL=0; _nop_(); _nop_(); _nop_(); } void I2C_sendB(uchar byte) //发送一字节数据 { uchar counter; for(counter=0;counter<8;counter++) { if(byte&0x80) SDA=1; else SDA=0; _nop_(); SCL=1; _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SCL=0; _nop_(); _nop_(); byte<<=1; } _nop_(); _nop_(); SDA=1; _nop_(); _nop_(); _nop_(); SCL=1; _nop_(); _nop_(); _nop_(); if(SDA==0) ack=1; else ack=0; SCL=0; _nop_(); _nop_(); } uchar I2C_receiveB(void) //接受一字节数据 { uchar temp; uchar counter; temp=0; SDA=1; _nop_(); _nop_(); for(counter=0;counter<8;counter++) { _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); SCL=1; _nop_(); _nop_(); if(SDA==1) temp=(temp<<1)\|0x01; else temp=temp<<1; _nop_(); _nop_(); SCL=0; _nop_(); _nop_(); _nop_(); } _nop_(); _nop_(); return(temp); } bit I2C_send_string(uchar string,uchar no,uchar address) //发送六位密码 { uchar counter; for(counter=0;counter { I2C_start(); I2C_sendB(C02_write); if(ack==0) return(0); I2C_sendB(address+counter); if(ack==0) return(0); I2C_sendB(string[counter]); I2C_stop(); delayms(20); } return(1); } bit I2C_receive_string(uchar string,uchar no,uchar address) //接受六位密码 { uchar counter; for(counter=0;counter { I2C_start(); I2C_sendB(C02_write); if(ack==0) return(0); I2C_sendB(address+counter); if(ack==0) return(0); I2C_start(); I2C_sendB(C02_read); if(ack==0) return(0); (string+counter)=I2C_receiveB(); I2C_no_ackownledge(); I2C_stop(); } } uchar get_key() //键盘扫描 { uchar row_code; uchar col_code; P1=0xf0; if(P1!=0xf0) { delayms(10); if(P1!=0xf0) { row_code=0xfe; while(row_code!=0xef) { P1=row_code; if(P1!=row_code) { col_code=P1; while(col_code==P1); col_code=(col_code&0xf0)\|0x0f; return( (~col_code)\|(~row_code)); } row_code=((row_code<<1)\|0x01); } } } return(0x00); } void convert_code(uchar string) //密码转换 { uchar counter=0; for(counter=0;counter<6;counter++) { switch(string) { case no0: string=0x00; break; case no1: string=0x01; break; case no2: string=0x02; break; case no3: string=0x03; break; case no4: string=0x04; break; case no5: string=0x05; break; case no6: string=0x06; break; case no7: string=0x07; break; case no8: string=0x08; break; case no9: string=0x09; break; default: break; } string++; } } bit compare_string(uchar string1,uchar string2) //密码比较 { uchar counter; for(counter=0;counter<6;counter++) { if(string1[counter]!=string2[counter]) return(0); } return(1); } uchar step_choose(void) //系统初始化 { uint i; uchar key; do{ lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(5,1); lcm_write_string("welcome! "); lcm_setxy(0,2); lcm_write_string(" A:open B:modify "); for(i=0;i<30000;i++) { key=get_key(); if((key==open)\|\|(key==modify)) break; } } while((key!=open)&&(key!=modify)); return(key); } bit input_password(uchar password) //密码输入 { uchar counter; uchar key; lcm_setxy(0,2); for(counter=0;counter<7;counter++) { longdelay(3); if(counter<6) { do{ key=get_key(); } while(key==0x00); if((key!=backspace)&&(key!=enter)) { lcm_write_data('*'); keysound(); password[counter]=key; } if(key==backspace) { if(counter>0) { lcm_setxy(--counter,2); lcm_write_data(' '); password[counter]=0x00; lcm_setxy(counter,2); counter--; keysound(); } } if(key==enter) { lcm_setxy(0,1); keysound(); return(0); } } if(counter==6) { do{ key=get_key(); } while((key!=backspace)&&(key!=enter)); if(key==backspace) { lcm_setxy(--counter,2); lcm_write_data(' '); password[counter]=0x00; lcm_setxy(counter,2); counter--; keysound(); } if(key==enter) { keysound(); return(1); } } void lock() //主函数 { uchar key; uchar error_counter_1; uchar error_counter_2; uchar idata temp1_password[6]={0,0,0,0,0,0}; uchar idata temp3_password[6]={0,0,0,0,0,0}; uchar idata temp2_password[6]={0,0,0,0,0,0}; uchar idata temp4_password[6]={0,0,0,0,0,0}; key=step_choose(); if(key==open) { keysound(); I2C_receive_string(temp1_password,6,0x00); lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(2,0); lcm_write_string("input password"); if(input_password(temp2_password)) { convert_code(temp2_password); if(compare_string(temp1_password,temp2_password)) { lcm_setxy(0,2); lcm_write_string("correct! "); led=0; longdelay(20); led=1; return; } else { lcm_setxy(0,2); lcm_write_string("error! "); error_counter_1++ ; if(error_counter_1<3) { alarm1(); } else { while(1){ lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(4,1); lcm_write_string("warning! "); keysound(); lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(16,1); lcm_write_string(""); longdelay(2); } } return; } } else { lcm_setxy(0,2); lcm_write_string("less then 6! "); longdelay(15); } } else { keysound(); I2C_receive_string(temp1_password,6,0x00); lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(0,1); lcm_write_string("input password "); if(input_password(temp2_password)) { convert_code(temp2_password); if(compare_string(temp1_password,temp2_password)) { lcm_setxy(0,2); lcm_write_string("correct! "); longdelay(10); lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(0,1); lcm_write_string("new password "); if(input_password(temp3_password)) { lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(0,1); lcm_write_string("input again "); if(input_password(temp4_password)) { if(compare_string(temp3_password,temp4_password)) { convert_code(temp3_password); I2C_send_string(temp3_password,6,0x00); lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(2,1); lcm_write_string("password has"); lcm_setxy(2,2); lcm_write_string("been changed "); longdelay(10); return; } else { lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(2,1); lcm_write_string("twice input"); lcm_setxy(2,2); lcm_write_string("is different! "); longdelay(10); return; } } else { lcm_setxy(0,2); lcm_write_string("less then 6 ! "); longdelay(15); return; } } else { lcm_setxy(0,2); lcm_write_string("less then 6 ! "); longdelay(15); return; } } else { lcm_setxy(0,2); lcm_write_string("error! "); error_counter_2++ ; if(error_counter_2<3) { alarm1(); } else { while(1) { lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(4,1); lcm_write_string("warning! "); keysound(); lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(16,1); lcm_write_string(""); longdelay(2); } } return; } } else { lcm_setxy(0,2); lcm_write_string("less then 6 ! "); longdelay(15); return; } } } void int_service(void) using 0 interrupt 0 //密码初始化中断函数 { EA=0; EX0=0; lcm_write_cmd(0x01); lcm_write_cmd(0x06); lcm_setxy(0,1); lcm_write_string(" reset success! "); longdelay(3); I2C_send_string(temp5_password,6,0x00); EA=1; EX0=1; return; } void main(void) { IT0=1; EX0=1; EA=1; led=1; lcm_init(); while(1) { lock(); } } 0
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