📄 2x8_key.lss
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4e4: 8d 83 std Y+5, r24 ; 0x05
4e6: 8d 81 ldd r24, Y+5 ; 0x05
4e8: 9e 81 ldd r25, Y+6 ; 0x06
4ea: 01 97 sbiw r24, 0x01 ; 1
4ec: f1 f7 brne .-4 ; 0x4ea <__stack+0x8b>
4ee: 9e 83 std Y+6, r25 ; 0x06
4f0: 8d 83 std Y+5, r24 ; 0x05
_delay_ms(5);
LCM1602WriteCommand(0x38,0);
4f2: 60 e0 ldi r22, 0x00 ; 0
4f4: 88 e3 ldi r24, 0x38 ; 56
4f6: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
The maximal possible delay is 262.14 ms / F_CPU in MHz.
*/
void
_delay_ms(double __ms)
{
4fa: 80 e0 ldi r24, 0x00 ; 0
4fc: 90 e0 ldi r25, 0x00 ; 0
4fe: a0 ea ldi r26, 0xA0 ; 160
500: b0 e4 ldi r27, 0x40 ; 64
502: 8f 83 std Y+7, r24 ; 0x07
504: 98 87 std Y+8, r25 ; 0x08
506: a9 87 std Y+9, r26 ; 0x09
508: ba 87 std Y+10, r27 ; 0x0a
uint16_t __ticks;
double __tmp = ((F_CPU) / 4e3) * __ms;
50a: 26 e6 ldi r18, 0x66 ; 102
50c: 36 e6 ldi r19, 0x66 ; 102
50e: 46 ee ldi r20, 0xE6 ; 230
510: 54 e4 ldi r21, 0x44 ; 68
512: 6f 81 ldd r22, Y+7 ; 0x07
514: 78 85 ldd r23, Y+8 ; 0x08
516: 89 85 ldd r24, Y+9 ; 0x09
518: 9a 85 ldd r25, Y+10 ; 0x0a
51a: 0e 94 0e 07 call 0xe1c <__mulsf3>
51e: dc 01 movw r26, r24
520: cb 01 movw r24, r22
522: 89 83 std Y+1, r24 ; 0x01
524: 9a 83 std Y+2, r25 ; 0x02
526: ab 83 std Y+3, r26 ; 0x03
528: bc 83 std Y+4, r27 ; 0x04
if (__tmp < 1.0)
52a: 20 e0 ldi r18, 0x00 ; 0
52c: 30 e0 ldi r19, 0x00 ; 0
52e: 40 e8 ldi r20, 0x80 ; 128
530: 5f e3 ldi r21, 0x3F ; 63
532: 69 81 ldd r22, Y+1 ; 0x01
534: 7a 81 ldd r23, Y+2 ; 0x02
536: 8b 81 ldd r24, Y+3 ; 0x03
538: 9c 81 ldd r25, Y+4 ; 0x04
53a: 0e 94 be 06 call 0xd7c <__eqsf2>
53e: 88 23 and r24, r24
540: 0c f0 brlt .+2 ; 0x544 <__stack+0xe5>
542: 05 c0 rjmp .+10 ; 0x54e <__stack+0xef>
__ticks = 1;
544: 81 e0 ldi r24, 0x01 ; 1
546: 90 e0 ldi r25, 0x00 ; 0
548: 9c 87 std Y+12, r25 ; 0x0c
54a: 8b 87 std Y+11, r24 ; 0x0b
54c: 1a c0 rjmp .+52 ; 0x582 <__stack+0x123>
else if (__tmp > 65535)
54e: 20 e0 ldi r18, 0x00 ; 0
550: 3f ef ldi r19, 0xFF ; 255
552: 4f e7 ldi r20, 0x7F ; 127
554: 57 e4 ldi r21, 0x47 ; 71
556: 69 81 ldd r22, Y+1 ; 0x01
558: 7a 81 ldd r23, Y+2 ; 0x02
55a: 8b 81 ldd r24, Y+3 ; 0x03
55c: 9c 81 ldd r25, Y+4 ; 0x04
55e: 0e 94 c1 06 call 0xd82 <__gesf2>
562: 18 16 cp r1, r24
564: 0c f0 brlt .+2 ; 0x568 <__stack+0x109>
566: 03 c0 rjmp .+6 ; 0x56e <__stack+0x10f>
__ticks = 0; /* i.e. 65536 */
568: 1c 86 std Y+12, r1 ; 0x0c
56a: 1b 86 std Y+11, r1 ; 0x0b
56c: 0a c0 rjmp .+20 ; 0x582 <__stack+0x123>
else
__ticks = (uint16_t)__tmp;
56e: 69 81 ldd r22, Y+1 ; 0x01
570: 7a 81 ldd r23, Y+2 ; 0x02
572: 8b 81 ldd r24, Y+3 ; 0x03
574: 9c 81 ldd r25, Y+4 ; 0x04
576: 0e 94 a3 06 call 0xd46 <__fixsfsi>
57a: dc 01 movw r26, r24
57c: cb 01 movw r24, r22
57e: 9c 87 std Y+12, r25 ; 0x0c
580: 8b 87 std Y+11, r24 ; 0x0b
582: 8b 85 ldd r24, Y+11 ; 0x0b
584: 9c 85 ldd r25, Y+12 ; 0x0c
586: 9e 83 std Y+6, r25 ; 0x06
588: 8d 83 std Y+5, r24 ; 0x05
58a: 8d 81 ldd r24, Y+5 ; 0x05
58c: 9e 81 ldd r25, Y+6 ; 0x06
58e: 01 97 sbiw r24, 0x01 ; 1
590: f1 f7 brne .-4 ; 0x58e <__stack+0x12f>
592: 9e 83 std Y+6, r25 ; 0x06
594: 8d 83 std Y+5, r24 ; 0x05
_delay_ms(5);
LCM1602WriteCommand(0x38,1); //以后的显示都要检查忙
596: 61 e0 ldi r22, 0x01 ; 1
598: 88 e3 ldi r24, 0x38 ; 56
59a: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
LCM1602WriteCommand(0x08,1); //关闭显示
59e: 61 e0 ldi r22, 0x01 ; 1
5a0: 88 e0 ldi r24, 0x08 ; 8
5a2: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
LCM1602WriteCommand(0x01,1); //显示清屏
5a6: 61 e0 ldi r22, 0x01 ; 1
5a8: 81 e0 ldi r24, 0x01 ; 1
5aa: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
LCM1602WriteCommand(0x06,1); //写指令06H,文字不动,光标自动右移
5ae: 61 e0 ldi r22, 0x01 ; 1
5b0: 86 e0 ldi r24, 0x06 ; 6
5b2: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
LCM1602WriteCommand(0x0C,1); //写指令0CH,显示ON,光标OFF,闪烁OFF
5b6: 61 e0 ldi r22, 0x01 ; 1
5b8: 8c e0 ldi r24, 0x0C ; 12
5ba: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
5be: 2c 96 adiw r28, 0x0c ; 12
5c0: 0f b6 in r0, 0x3f ; 63
5c2: f8 94 cli
5c4: de bf out 0x3e, r29 ; 62
5c6: 0f be out 0x3f, r0 ; 63
5c8: cd bf out 0x3d, r28 ; 61
5ca: df 91 pop r29
5cc: cf 91 pop r28
5ce: 08 95 ret
000005d0 <LCM1602BusyWait>:
}
//1602总线忙等待
void LCM1602BusyWait(void)
{
5d0: cf 93 push r28
5d2: df 93 push r29
5d4: cd b7 in r28, 0x3d ; 61
5d6: de b7 in r29, 0x3e ; 62
DB_IN; //PB定义为输入,读引脚信号
5d8: 10 92 37 00 sts 0x0037, r1
RS_CLR;
5dc: 80 91 32 00 lds r24, 0x0032
5e0: 8f 7e andi r24, 0xEF ; 239
5e2: 80 93 32 00 sts 0x0032, r24
RW_SET; //当RS为低电平RW为高电平时可以读忙信号
5e6: 80 91 32 00 lds r24, 0x0032
5ea: 80 62 ori r24, 0x20 ; 32
5ec: 80 93 32 00 sts 0x0032, r24
E_SET;
5f0: 80 91 32 00 lds r24, 0x0032
5f4: 80 68 ori r24, 0x80 ; 128
5f6: 80 93 32 00 sts 0x0032, r24
asm("nop\n nop"); //延时两个nop时间
5fa: 00 00 nop
5fc: 00 00 nop
while(DB_READ&0x80); //直到忙信号结束,1602可再次写入信号
5fe: 80 91 36 00 lds r24, 0x0036
602: 88 23 and r24, r24
604: 0c f4 brge .+2 ; 0x608 <LCM1602BusyWait+0x38>
606: fb cf rjmp .-10 ; 0x5fe <LCM1602BusyWait+0x2e>
DB_OUT;
608: 8f ef ldi r24, 0xFF ; 255
60a: 80 93 37 00 sts 0x0037, r24
E_CLR;
60e: 9f e7 ldi r25, 0x7F ; 127
610: 80 91 32 00 lds r24, 0x0032
614: 89 23 and r24, r25
616: 80 93 32 00 sts 0x0032, r24
61a: df 91 pop r29
61c: cf 91 pop r28
61e: 08 95 ret
00000620 <LCM1602WriteCommand>:
}
//向1602写入命令
void LCM1602WriteCommand(uchar com,uchar Busy)//Busy为0时忽略忙检测,为1时检查
{
620: cf 93 push r28
622: df 93 push r29
624: cd b7 in r28, 0x3d ; 61
626: de b7 in r29, 0x3e ; 62
628: 22 97 sbiw r28, 0x02 ; 2
62a: 0f b6 in r0, 0x3f ; 63
62c: f8 94 cli
62e: de bf out 0x3e, r29 ; 62
630: 0f be out 0x3f, r0 ; 63
632: cd bf out 0x3d, r28 ; 61
634: 89 83 std Y+1, r24 ; 0x01
636: 6a 83 std Y+2, r22 ; 0x02
if(Busy)
638: 8a 81 ldd r24, Y+2 ; 0x02
63a: 88 23 and r24, r24
63c: 11 f0 breq .+4 ; 0x642 <LCM1602WriteCommand+0x22>
{
LCM1602BusyWait(); //根据需要检测忙
63e: 0e 94 e8 02 call 0x5d0 <LCM1602BusyWait>
}
RS_CLR;
642: 80 91 32 00 lds r24, 0x0032
646: 8f 7e andi r24, 0xEF ; 239
648: 80 93 32 00 sts 0x0032, r24
RW_CLR; //当RS和RW共同为低电平时可以写入指令或者显示地址
64c: 80 91 32 00 lds r24, 0x0032
650: 8f 7d andi r24, 0xDF ; 223
652: 80 93 32 00 sts 0x0032, r24
DB_PORT=com;
656: 89 81 ldd r24, Y+1 ; 0x01
658: 80 93 38 00 sts 0x0038, r24
E_SET;
65c: 80 91 32 00 lds r24, 0x0032
660: 80 68 ori r24, 0x80 ; 128
662: 80 93 32 00 sts 0x0032, r24
E_CLR;
666: 9f e7 ldi r25, 0x7F ; 127
668: 80 91 32 00 lds r24, 0x0032
66c: 89 23 and r24, r25
66e: 80 93 32 00 sts 0x0032, r24
672: 22 96 adiw r28, 0x02 ; 2
674: 0f b6 in r0, 0x3f ; 63
676: f8 94 cli
678: de bf out 0x3e, r29 ; 62
67a: 0f be out 0x3f, r0 ; 63
67c: cd bf out 0x3d, r28 ; 61
67e: df 91 pop r29
680: cf 91 pop r28
682: 08 95 ret
00000684 <LCM1602WriteData>:
}
//向1602写入数据
void LCM1602WriteData(uchar dat)
{
684: cf 93 push r28
686: df 93 push r29
688: cd b7 in r28, 0x3d ; 61
68a: de b7 in r29, 0x3e ; 62
68c: 21 97 sbiw r28, 0x01 ; 1
68e: 0f b6 in r0, 0x3f ; 63
690: f8 94 cli
692: de bf out 0x3e, r29 ; 62
694: 0f be out 0x3f, r0 ; 63
696: cd bf out 0x3d, r28 ; 61
698: 89 83 std Y+1, r24 ; 0x01
LCM1602BusyWait();
69a: 0e 94 e8 02 call 0x5d0 <LCM1602BusyWait>
RS_SET;
69e: 80 91 32 00 lds r24, 0x0032
6a2: 80 61 ori r24, 0x10 ; 16
6a4: 80 93 32 00 sts 0x0032, r24
RW_CLR; //当RS为高电平RW为低电平时可以写入数据
6a8: 80 91 32 00 lds r24, 0x0032
6ac: 8f 7d andi r24, 0xDF ; 223
6ae: 80 93 32 00 sts 0x0032, r24
DB_PORT=dat;
6b2: 89 81 ldd r24, Y+1 ; 0x01
6b4: 80 93 38 00 sts 0x0038, r24
E_SET;
6b8: 80 91 32 00 lds r24, 0x0032
6bc: 80 68 ori r24, 0x80 ; 128
6be: 80 93 32 00 sts 0x0032, r24
E_CLR;
6c2: 9f e7 ldi r25, 0x7F ; 127
6c4: 80 91 32 00 lds r24, 0x0032
6c8: 89 23 and r24, r25
6ca: 80 93 32 00 sts 0x0032, r24
6ce: 21 96 adiw r28, 0x01 ; 1
6d0: 0f b6 in r0, 0x3f ; 63
6d2: f8 94 cli
6d4: de bf out 0x3e, r29 ; 62
6d6: 0f be out 0x3f, r0 ; 63
6d8: cd bf out 0x3d, r28 ; 61
6da: df 91 pop r29
6dc: cf 91 pop r28
6de: 08 95 ret
000006e0 <LCD_set_xy>:
}
/*-----------------------------------------------------------------------
LCD_set_xy : 设置LCD显示的起始位置
输入参数x、y : 显示字符串的位置，X:0-15，Y:0-1
LCD第一行显示寄存器地址：0X80-0X8F
LCD第一行显示寄存器地址：0XC0-0XCF
-----------------------------------------------------------------------*/
void LCD_set_xy(uchar x,uchar y )
{
6e0: cf 93 push r28
6e2: df 93 push r29
6e4: cd b7 in r28, 0x3d ; 61
6e6: de b7 in r29, 0x3e ; 62
6e8: 23 97 sbiw r28, 0x03 ; 3
6ea: 0f b6 in r0, 0x3f ; 63
6ec: f8 94 cli
6ee: de bf out 0x3e, r29 ; 62
6f0: 0f be out 0x3f, r0 ; 63
6f2: cd bf out 0x3d, r28 ; 61
6f4: 89 83 std Y+1, r24 ; 0x01
6f6: 6a 83 std Y+2, r22 ; 0x02
uchar address;
if (y == 0) address = 0x80 + x; //第一行
6f8: 8a 81 ldd r24, Y+2 ; 0x02
6fa: 88 23 and r24, r24
6fc: 29 f4 brne .+10 ; 0x708 <LCD_set_xy+0x28>
6fe: 80 e8 ldi r24, 0x80 ; 128
700: 99 81 ldd r25, Y+1 ; 0x01
702: 89 0f add r24, r25
704: 8b 83 std Y+3, r24 ; 0x03
706: 04 c0 rjmp .+8 ; 0x710 <LCD_set_xy+0x30>
else address = 0xc0 + x; //第二行
708: 80 ec ldi r24, 0xC0 ; 192
70a: 99 81 ldd r25, Y+1 ; 0x01
70c: 89 0f add r24, r25
70e: 8b 83 std Y+3, r24 ; 0x03
LCM1602WriteCommand(address,1);
710: 61 e0 ldi r22, 0x01 ; 1
712: 8b 81 ldd r24, Y+3 ; 0x03
714: 0e 94 10 03 call 0x620 <LCM1602WriteCommand>
718: 23 96 adiw r28, 0x03 ; 3
71a: 0f b6 in r0, 0x3f ; 63
71c: f8 94 cli
71e: de bf out 0x3e, r29 ; 62
720: 0f be out 0x3f, r0 ; 63
722: cd bf out 0x3d, r28 ; 61
724: df 91 pop r29
726: cf 91 pop r28
728: 08 95 ret
0000072a <LCM1602Write_String>:
}
//英文字符串显示函数
void LCM1602Write_String(uchar x,uchar y,char *string)
{
72a: cf 93 push r28
72c: df 93 push r29
72e: cd b7 in r28, 0x3d ; 61
730: de b7 in r29, 0x3e ; 62
732: 24 97 sbiw r28, 0x04 ; 4
734: 0f b6 in r0, 0x3f ; 63
736: f8 94 cli
738: de bf out 0x3e, r29 ; 62
73a: 0f be out 0x3f, r0 ; 63
73c: cd bf out 0x3d, r28 ; 61
73e: 89 83 std Y+1, r24 ; 0x01
740: 6a 83 std Y+2, r22 ; 0x02
742: 5c 83 std Y+4, r21 ; 0x04
744: 4b 83 std Y+3, r20 ; 0x03
if(x>=XSIZE||y>=YSIZE||string==NULL)return;
746: 89 81 ldd r24, Y+1 ; 0x01
748: 80 31 cpi r24, 0x10 ; 16
74a: 18 f5 brcc .+70 ; 0x792 <LCM1602Write_String+0x68>
74c: 8a 81 ldd r24, Y+2 ; 0x02
74e: 82 30 cpi r24, 0x02 ; 2
750: 00 f5 brcc .+64 ; 0x792 <LCM1602Write_String+0x68>
752: 8b 81 ldd r24, Y+3 ; 0x03
754: 9c 81 ldd r25, Y+4 ; 0x04
756: 00 97 sbiw r24, 0x00 ; 0
758: 09 f4 brne .+2 ; 0x75c <LCM1602Write_String+0x32>
75a: 1b c0 rjmp .+54 ; 0x792 <LCM1602Write_String+0x68>
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