基于單片機(jī)的led點(diǎn)陣廣告牌設(shè)計課程設(shè)計-資料下載頁
2025-06-27 19:24本頁面
【正文】 ANL A,00000001B CJNE A,34H,KEY_EXIT ACALL KEY_CHULIKEY_EXIT: RETKEY_CHULI:JB ,KEY_CHULI_EXIT 。有鍵按下后做相應(yīng)處理 MOV A,37H 。移動方式的切換 ADD A,40H 。A加除00H以外的任何值都可 MOV 37H,A LCALL DATA_CHUSHI RETKEY_CHULI_EXIT:RETKEY_DELAY: 。按鍵延時DLY_LP1: MOV R1,20 MOV R6,50DLY_LP2: NOP NOP NOP DJNZ R6,DLY_LP2 DJNZ R7,DLY_LP1END_DLYMS:RET 。顯示程序DISP_READY:MOV R0,3BH MOV 30H,16D MOV 31H,00H DISP:MOV A,@R0 。行列掃描顯示 MOV P0,A INC R0 MOV A,@R0 MOV P2,A MOV P1,31H ACALL DISP_DELAY MOV P0,00H MOV P1,0FFH MOV P2,00H INC 31H INC R0 DJNZ 30H,DISPDISP_EXIT: RET。顯示延時 DISP_DELAY:MOV 32H,2D1:MOV 33H,150 DJNZ 33H,$ DJNZ 32H,D1 RET。中斷處理程序INT_0:PUSH ACC MOV TH0,0A6H 。重裝初值 MOV TL0,00H INC 35H MOV A,35H CJNE A,36H,INT0_EXIT MOV 35H,00H ACALL WHICH_WAYINT0_EXIT:POP ACC RETIWHICH_WAY:MOV A,37H 。選擇左移還是右移 CJNE A,00H,WAY2 ACALL ZUOYI RETWAY2: ACALL YOUYI RETZUOYI: MOV 50H,0A1H 。初始化時已顯示第一個字 MOV 51H,0C1H MOV 3CH,16D INC 38H MOV A,38H CJNE A,16D,ZUOYI_THEN1 MOV 38H,00H INC 39H MOV A,39H CJNE A,3AH,ZUOYI_THEN MOV 39H,00H MOV DPTR,DATA1ZUOYI_THEN: MOV 3CH,32D MOV R1,0C0HZUOYI_SEND_DATA: MOV A,00H 。左移將字送入R1 MOVC A,@A+DPTR MOV @R1,A INC R1 INC DPTR DJNZ 3CH,ZUOYI_SEND_DATA MOV 3CH,16DZUOYI_THEN1: MOV R1,51H 。將字分上下部分顯示 MOV A,@R1 RLC A MOV @R1,A DEC R1 MOV A,@R1 RLC A MOV @R1,A MOV R1,50H MOV A,@R1 RLC A MOV @R1,A DEC R1 MOV A,@R1 RLC A MOV @R1,A INC 50H INC 50H INC 51H INC 51H DJNZ 3CH,ZUOYI_THEN1 RETYOUYI: MOV 50H,0A0H MOV 51H,80H MOV 3CH,16D INC 38H MOV A,38H CJNE A,16D,YOUYI_THEN1 MOV 38H,00H INC 39H MOV A,39H CJNE A,3AH,YOUYI_THEN MOV 39H,00H MOV DPTR,DATA1YOUYI_THEN:MOV 3CH,32D MOV R1,80HYOUYI_SEND_DATA:MOV A,00H 。右移將字送入R1 MOVC A,@A+DPTR MOV @R1,A INC R1 INC DPTR DJNZ 3CH,YOUYI_SEND_DATA MOV 3CH,16DYOUYI_THEN1:MOV R1,51H 。將字分上下部分顯示 MOV A,@R1 RRC A MOV @R1,A INC R1 MOV A,@R1 RRC A MOV @R1,A MOV R1,50H MOV A,@R1 RRC A MOV @R1,A INC R1 MOV A,@R1 RRC A MOV @R1,A INC 50H INC 50H INC 51H INC 51H DJNZ 3CH,YOUYI_THEN1 RETDATA1:DB 0x08,0x20,0x06,0x30,0x04,0x40,0x3F,0xF8,0x21,0x08,0x3F,0xF8,0x21,0x08,0x21,0x08,0x3F,0xF8,0x21,0x08,0x01,0x00,0xFF,0xFE,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00DB 0x00,0x40,0x10,0x40,0x10,0x40,0x10,0x44,0x1F,0xFE,0x10,0x00,0x10,0x00,0x10,0x00,0x1F,0xF0,0x10,0x10,0x10,0x10,0x10,0x10,0x20,0x10,0x20,0x10,0x40,0x10,0x80,0x10DB 0x10,0x00,0x10,0xF8,0x10,0x88,0xFE,0x88,0x10,0x88,0x10,0x88,0x38,0x88,0x34,0x88,0x54,0x88,0x50,0x88,0x91,0x08,0x11,0x0A,0x12,0x0A,0x12,0x0A,0x14,0x06,0x10,0x00DB 0x01,0x00,0x11,0x00,0x11,0x10,0x1F,0xF8,0x11,0x00,0x21,0x00,0x01,0x04,0xFF,0xFE,0x03,0x00,0x05,0x80,0x09,0x40,0x11,0x30,0x21,0x0E,0xC1,0x04,0x01,0x00,0x01,0x00DB 0x00,0x80,0x08,0x88,0x7C,0xFC,0x4F,0x80,0x48,0x50,0x48,0x22,0x78,0xD2,0x4B,0x0E,0x48,0x00,0x4B,0xFC,0x48,0xA0,0x78,0xA0,0x49,0x22,0x01,0x22,0x02,0x1E,0x0C,0x00DB 0x04,0x40,0x04,0x48,0x08,0x58,0x08,0x60,0x18,0xC0,0x29,0x40,0x4A,0x44,0x08,0x44,0x09,0x3C,0x01,0x00,0xFF,0xFE,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00DB 0x07,0xC0,0x18,0x30,0x20,0x08,0x40,0x04,0x4C,0x64,0x8C,0x62,0x80,0x02,0x80,0x02,0x90,0x12,0x98,0x32,0x4C,0x64,0x47,0xC4,0x20,0x08,0x18,0x30,0x07,0xC0,0x00,0x0018
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