[问答]

想请问下这段代码中按键具体功能

2216 按键

问答对人有帮助，内容完整，我也想知道答案 0 这段代码的这几个按键具体用了会怎么样 while(1) { flag=0; flag5=1; flag2_1=0; num=0; setlong=0; setang=0; setR=0; resetmot(); Write_LCD_Command(0x01); //ÇåÆÁ delay_ms(2); Write_LCD_Command(0x30); //±ØÐëÔÙ´Î´ò¿ª»ù±¾Ö¸Áî£¬ÒòÎª»æÍ¼¿ªÁËÀ©³äÖ¸Áî Display_LCD_String(0 , " »ù±¾²¿·Ö ",time12864); Display_LCD_String(1 , " Ä£Ê½Ò» ",time12864); Display_LCD_String(2, " Ä£Ê½¶þ ",time12864); Display_LCD_String(3, " Ä£Ê½Èý ",time12864); while(Key_Scan(GPIOB,GPIO_Pin_1) !=0) { if(Key_Scan(GPIOB,GPIO_Pin_12) == 0) { if(num<7) num++; else num=7; } if(Key_Scan(GPIOB,GPIO_Pin_13) == 0) { if(num>0) num--; else num=1; } switch(num) { case 0:break; case 1: Display_LCD_String(0 , " »ù±¾²¿·Ö ",time12864); Display_LCD_String(1, "Ä£Ê½Ò» ",time12864); Display_LCD_String(2, " Ä£Ê½¶þ ",time12864); Display_LCD_String(3, " Ä£Ê½Èý ",time12864); break; case 2: Display_LCD_String(0 , " »ù±¾²¿·Ö ",time12864); Display_LCD_String(1 ," Ä£Ê½Ò» ",time12864); Display_LCD_String(2, "Ä£Ê½¶þ ",time12864); Display_LCD_String(3, " Ä£Ê½Èý ",time12864); break; case 3: Display_LCD_String(0 , " »ù±¾²¿·Ö ",time12864); Display_LCD_String(0 , " »ù±¾²¿·Ö ",time12864); Display_LCD_String(1 ," Ä£Ê½Ò» ",time12864); Display_LCD_String(2, " Ä£Ê½¶þ ",time12864); Display_LCD_String(3, "Ä£Ê½Èý ",time12864); break; case 4: Display_LCD_String(0 , " »ù±¾²¿·Ö ",time12864); Display_LCD_String(1 , " Ä£Ê½¶þ ",time12864); Display_LCD_String(2, " Ä£Ê½Èý ",time12864); Display_LCD_String(3, "Ä£Ê½ËÄ ",time12864); break; case 5: Display_LCD_String(0 , " ·¢»Ó²¿·Ö ",time12864); Display_LCD_String(1 , "Ä£Ê½Ò» ",time12864); Display_LCD_String(2, " Ä£Ê½¶þ ",time12864); Display_LCD_String(3, " Ä£Ê½Èý ",time12864); break; case 6: Display_LCD_String(0 , " ·¢»Ó²¿·Ö ",time12864); Display_LCD_String(1 , " Ä£Ê½Ò» ",time12864); Display_LCD_String(2, "Ä£Ê½¶þ ",time12864); Display_LCD_String(3, " Ä£Ê½Èý ",time12864); break; case 7: Display_LCD_String(0 , " ·¢»Ó²¿·Ö ",time12864); Display_LCD_String(1 , " Ä£Ê½Ò» ",time12864); Display_LCD_String(2, " Ä£Ê½¶þ ",time12864); Display_LCD_String(3, "Ä£Ê½Èý ",time12864); break; } } while(Key_Scan(GPIOA,GPIO_Pin_4) != 0) { switch(num) { case 0:break; case 1: Display_LCD_String(0 , " Ä£Ê½Ò»²ÎÊý ",time12864); Display_LCD_String(1, "ÎÞ²ÎÊýÉèÖÃ ",time12864); Display_LCD_String(2, " ",time12864); Display_LCD_String(3, " ",time12864); break; case 2: if(Key_Scan(GPIOB,GPIO_Pin_12) == 0) { setlong+=5; } if(Key_Scan(GPIOB,GPIO_Pin_13) == 0) { if(setlong>0) setlong-=5; else setlong=0; } Table2[12]=shuzi[setlong/10]; Table2[13]=shuzi[setlong%10]; Display_LCD_String(0 , " Ä£Ê½¶þ²ÎÊý ",time12864); Display_LCD_String(2,Table2,time12864); Display_LCD_String(3, " ",time12864); Display_LCD_String(1, " ",time12864); break; case 3: if(Key_Scan(GPIOB,GPIO_Pin_12) == 0) { setang+=5; } if(Key_Scan(GPIOB,GPIO_Pin_13) == 0) { if(setang>0) setang-=5; else setang=0; } Table3[10]=shuzi[(unsigned int)setang/100]; Table3[12]=shuzi[(unsigned int)setang%100/10]; Table3[13]=shuzi[(unsigned int)setang%10]; Display_LCD_String(0 , " Ä£Ê½Èý²ÎÊý ",time12864); Display_LCD_String(2,Table3,time12864); Display_LCD_String(3, " ",time12864); Display_LCD_String(1, " ",time12864); break; case 4: Display_LCD_String(0 , " Ä£Ê½ËÄ²ÎÊý ",time12864); Display_LCD_String(1, "ÎÞ²ÎÊýÉèÖÃ ",time12864); Display_LCD_String(2, " ",time12864); Display_LCD_String(3, " ",time12864); break; case 5: if(Key_Scan(GPIOB,GPIO_Pin_12) == 0) { setR+=5; } if(Key_Scan(GPIOB,GPIO_Pin_13) == 0) { if(setR>0) setR-=5; else setR=0; } Table5[12]=shuzi[setR/10]; Table5[13]=shuzi[setR%10]; Display_LCD_String(0 , " Ä£Ê½Îå²ÎÊý ",time12864); Display_LCD_String(2,Table5,time12864); Display_LCD_String(3, " ",time12864); Display_LCD_String(1, " ",time12864); break; case 6: if(Key_Scan(GPIOB,GPIO_Pin_12) == 0) { setR+=5; } if(Key_Scan(GPIOB,GPIO_Pin_13) == 0) { if(setR>0) setR-=5; else setR=0; } Table5[12]=shuzi[setR/10]; Table5[13]=shuzi[setR%10]; Display_LCD_String(0 , " Ä£Ê½Áù²ÎÊý ",time12864); Display_LCD_String(2,Table5,time12864); Display_LCD_String(3, " ",time12864); Display_LCD_String(1, " ",time12864); break; case 7: flag7=1; Display_LCD_String(0 , " Ä£Ê½Èý²ÎÊý ",time12864); Display_LCD_String(1, " ºº×ÖÊéÐ´ ",time12864); Display_LCD_String(2, " ",time12864); Display_LCD_String(3, " ",time12864); break; } } while(Key_Scan(GPIOB,GPIO_Pin_0) != 0) { switch(num) { case 0: break; case 1: mode1();break; case 2: mode2();break; case 3: mode3();break; case 4:flag=4;break; case 5: mode5();break; case 6: mode5();break; case 7:mode7();break; } } } } 0
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答案对人有帮助，有参考价值 0 看看include里面的引用，有没有详细的keyscan代码。

2017-5-29 21:09:28 评论举报 jblbin2008