手机键盘下载_Word模板_6

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手机键盘手机键盘 #include #include #define uchar unsigned char#define uint unsigned int#define delaynop() {_nop_();_nop_();_nop_();_nop_();} sbit RS=P3^5; sbit RW=P3^6; sbit EN=P3^7; sbit spk=P2^7; uchar code keypad_chars[12][6]={"1 ","2abc","3def","4ghi","5jkl","6mno","7pqrs...

手机键盘 #include #include #define uchar unsigned char#define uint unsigned int#define delaynop() {_nop_();_nop_();_nop_();_nop_();} sbit RS=P3^5; sbit RW=P3^6; sbit EN=P3^7; sbit spk=P2^7; uchar code keypad_chars[12][6]={"1 ","2abc","3def","4ghi","5jkl","6mno","7pqrs","8tuv","9wxyz","*","0+","#"}; uchar code line1[]=" mobile keypad "; uchar code line2[]="key_char: ";uchar keyno=-1; uchar inner_idx=0; uchar tspan=0; void delayms(uchar i) { uchar x; while(i--) { for(x=0;x<120;x++); } } //uchar get_lcd_status()uchar busy_waiting() { uchar lcd_status; RS=0; RW=1; EN=1; delayms(1); lcd_status=P0; EN=0; return lcd_status; } void write_lcd_data(uchar dat){ while((busy_waiting()&&0x80)==0x80);RS=1;RW=0;EN=0;P0=dat;EN=1;delayms(1);EN=0; } void write_lcd_command(uchar cmd){ while((busy_waiting()&0x80)==0x80);RS=0; RW=0; EN=0; P0=cmd;EN=1;delayms(1);EN=0;} void init_lcd() { write_lcd_command(0x38); delayms(1); write_lcd_command(0x01); delayms(1); write_lcd_command(0x06); delayms(1); write_lcd_command(0x0c); delayms(1); } void showstring(uchar x,uchar y,uchar *str) { uchar i; if(y==0)write_lcd_command(0x80|x);if(y==1)write_lcd_command(0xc0|x);for(i=0;i<16;i++) { write_lcd_data(str[i]);} } void set_lcd_pos(uchar position) { write_lcd_command(position|0x80); } void key_scan() { P1=0x0f;delayms(1); switch(P1) { case 0x0e:keyno=0;break;case 0x0d:keyno=1;break;case 0x0b:keyno=2;break;} P1=0xf0;delayms(1); switch(P1) { case 0xe0:keyno+=0;break;case 0xd0:keyno+=3;break;case 0xb0:keyno+=6;break;case 0x70:keyno+=9; } } void beep() { uchar i; for(i=0;i<60;i++) { spk=!spk;delayms(1);} spk=1; delayms(100); } void to_int() interrupt 1{ TH0=-50000/256; TL0=-50000%256; if(tspan<50)tspan++;else TR0=0; } void main() { uchar i,pre_keyno=-1;IE=0x82; TMOD=0x01; TH0=-50000/256; TL0=-50000%256; P0=P2=0xff; delayms(10); init_lcd(); set_lcd_pos(0); for(i=0;i<16;i++)write_lcd_data(line1[i]);set_lcd_pos(0x40);for(i=0;i<16;i++)write_lcd_data(line2[i]);while(1) { P1=0xf0; if(P1!=0xf0)key_scan();else continue; if(pre_keyno!=keyno){ pre_keyno=keyno; tspan=0; inner_idx=0; TR0=1; } else { if(tspan<=40)inner_idx=(inner_idx+1)%strlen(keypad_chars[keyno]); else inner_idx=0; tspan=0; } set_lcd_pos(0x4b);write_lcd_data(keypad_chars[keyno][inner_idx]); beep(); delayms(400);} }

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