📄 led.lst
字号:
__text_start:
__start:
002A E5CF LDI R28,0x5F
002B E0D4 LDI R29,4
002C BFCD OUT 0x3D,R28
002D BFDE OUT 0x3E,R29
002E 51C0 SUBI R28,0x10
002F 40D0 SBCI R29,0
0030 EA0A LDI R16,0xAA
0031 8308 STD Y+0,R16
0032 2400 CLR R0
0033 E6E0 LDI R30,0x60
0034 E0F0 LDI R31,0
0035 E010 LDI R17,0
0036 36E1 CPI R30,0x61
0037 07F1 CPC R31,R17
0038 F011 BEQ 0x003B
0039 9201 ST R0,Z+
003A CFFB RJMP 0x0036
003B 8300 STD Z+0,R16
003C E5E4 LDI R30,0x54
003D E0F0 LDI R31,0
003E E6A0 LDI R26,0x60
003F E0B0 LDI R27,0
0040 E010 LDI R17,0
0041 35E4 CPI R30,0x54
0042 07F1 CPC R31,R17
0043 F021 BEQ 0x0048
0044 95C8 LPM
0045 9631 ADIW R30,1
0046 920D ST R0,X+
0047 CFF9 RJMP 0x0041
0048 940E0064 CALL _main
_exit:
004A CFFF RJMP _exit
FILE: E:\MYWORK~1\开发设计\EasyAVR\程序范例\Mega16程序包\完成整理\LED跑马灯实验\main.c
(0001) /****************************************Copyright (c)**************************************************
(0002) ** ADEmbed Development Co.,LTD.
(0003) ** http://www.adembed.com
(0004) **--------------File Info-------------------------------------------------------------------------------
(0005) ** File name: main.c
(0006) ** Last modified Date: 2008-12-13
(0007) ** Last Version: 1.0
(0008) ** Descriptions: LED Test.
(0009) **
(0010) **------------------------------------------------------------------------------------------------------
(0011) ** Created by: junbolu
(0012) ** Created date: 2008-12-13
(0013) ** Version: 1.0
(0014) ** Descriptions:
(0015) **
(0016) **------------------------------------------------------------------------------------------------------
(0017) ** Modified by:
(0018) ** Modified date:
(0019) ** Version:
(0020) ** Descriptions:
(0021) **
(0022) **------------------------------------------------------------------------------------------------------
(0023) **ICC-AVR application builder : 2008-12-13
(0024) **Target : M16
(0025) **Crystal: 7.3728Mhz
(0026) **PA0~PA7口接8位LED指示灯的使能端(低电平使能)
(0027) **
(0028) **描述：8位LED指示灯点亮，并且让他们循环闪烁。
(0029) ** 学习单片机的简单程序，如果你才学习单片机，一定要好好掌握。
(0030) **
(0031) **涉及知识点：
(0032) ** DO输出
(0033) ** for 循环的应用
(0034) ** 软件延时函数的编写
(0035) *******************************************************************************************************/
(0036)
(0037) #include<iom16v.h>
(0038) #include<macros.h>
(0039)
(0040) unsigned char DISP_NUM; //电亮的位数，一共8位
(0041)
(0042) void Delay_us(unsigned int time)
(0043) {
(0044) while(time--);
_Delay_us:
time --> R16
004B 0118 MOVW R2,R16
004C 5001 SUBI R16,1
004D 4010 SBCI R17,0
004E 2022 TST R2
004F F7D9 BNE 0x004B
0050 2033 TST R3
0051 F7C9 BNE 0x004B
0052 9508 RET
_Delay_ms:
time --> R20
0053 940E009D CALL push_gset1
0055 01A8 MOVW R20,R16
(0045) }
(0046)
(0047) void Delay_ms(unsigned int time)
(0048) {
0056 C003 RJMP 0x005A
(0049) while(time--)
(0050) {
(0051) Delay_us(1000);
0057 EE08 LDI R16,0xE8
0058 E013 LDI R17,3
0059 DFF1 RCALL _Delay_us
005A 011A MOVW R2,R20
005B 5041 SUBI R20,1
005C 4050 SBCI R21,0
005D 2022 TST R2
005E F7C1 BNE 0x0057
005F 2033 TST R3
0060 F7B1 BNE 0x0057
0061 940E00A0 CALL pop_gset1
0063 9508 RET
(0052) }
(0053) }
(0054)
(0055) void main(void)
(0056) {
(0057) //初始化端口
(0058) DDRA=0XFF; //设置PA端口为输出
_main:
0064 EF8F LDI R24,0xFF
0065 BB8A OUT 0x1A,R24
(0059) PORTA=0XFF; //设置PA端口为高电平
0066 BB8B OUT 0x1B,R24
(0060)
(0061) //开始演示
(0062) for(;;)
(0063) {
(0064) PORTA=0X00; //全部点亮
0067 2422 CLR R2
0068 BA2B OUT 0x1B,R2
(0065) Delay_ms(200); //延时0.2s
0069 EC08 LDI R16,0xC8
006A E010 LDI R17,0
006B DFE7 RCALL _Delay_ms
(0066) PORTA=0XFF; //全部熄灭
006C EF8F LDI R24,0xFF
006D BB8B OUT 0x1B,R24
(0067) Delay_ms(200); //延时0.2s
006E EC08 LDI R16,0xC8
006F E010 LDI R17,0
0070 DFE2 RCALL _Delay_ms
(0068) PORTA=0X00; //全部点亮
0071 2422 CLR R2
0072 BA2B OUT 0x1B,R2
(0069) Delay_ms(200); //延时0.2s
0073 EC08 LDI R16,0xC8
0074 E010 LDI R17,0
0075 DFDD RCALL _Delay_ms
(0070) PORTA=0XFF; //全部熄灭
0076 EF8F LDI R24,0xFF
0077 BB8B OUT 0x1B,R24
(0071) Delay_ms(1000); //延时1s
0078 EE08 LDI R16,0xE8
0079 E013 LDI R17,3
007A DFD8 RCALL _Delay_ms
(0072)
(0073) for(DISP_NUM=0;DISP_NUM<8;DISP_NUM++) //循环熄灭
007B 2422 CLR R2
007C 92200060 STS DISP_NUM,R2
007E C010 RJMP 0x008F
(0074) {
(0075) PORTA=~(0x01<<DISP_NUM);
007F 91100060 LDS R17,DISP_NUM
0081 E001 LDI R16,1
0082 940E00B4 CALL lsl8
0084 2E20 MOV R2,R16
0085 9420 COM R2
0086 BA2B OUT 0x1B,R2
(0076) Delay_ms(200);
FILE: <library>
0087 EC08 LDI R16,0xC8
0088 E010 LDI R17,0
0089 DFC9 RCALL _Delay_ms
008A 91800060 LDS R24,DISP_NUM
008C 5F8F SUBI R24,0xFF
008D 93800060 STS DISP_NUM,R24
008F 91800060 LDS R24,DISP_NUM
0091 3088 CPI R24,0x8
0092 F360 BCS 0x007F
0093 CFD3 RJMP 0x0067
0094 9508 RET
push_gset5:
0095 92FA ST R15,-Y
0096 92EA ST R14,-Y
push_gset4:
0097 92DA ST R13,-Y
0098 92CA ST R12,-Y
push_gset3:
0099 92BA ST R11,-Y
009A 92AA ST R10,-Y
push_gset2:
009B 937A ST R23,-Y
009C 936A ST R22,-Y
push_gset1:
009D 935A ST R21,-Y
009E 934A ST R20,-Y
009F 9508 RET
pop_gset1:
00A0 E0E1 LDI R30,1
pop:
00A1 9149 LD R20,Y+
00A2 9159 LD R21,Y+
00A3 FDE0 SBRC R30,0
00A4 9508 RET
00A5 9169 LD R22,Y+
00A6 9179 LD R23,Y+
00A7 FDE1 SBRC R30,1
00A8 9508 RET
00A9 90A9 LD R10,Y+
00AA 90B9 LD R11,Y+
00AB FDE2 SBRC R30,2
00AC 9508 RET
00AD 90C9 LD R12,Y+
00AE 90D9 LD R13,Y+
00AF FDE3 SBRC R30,3
00B0 9508 RET
00B1 90E9 LD R14,Y+
00B2 90F9 LD R15,Y+
00B3 9508 RET
lsl8:
00B4 2311 TST R17
00B5 F019 BEQ 0x00B9
00B6 0F00 LSL R16
00B7 951A DEC R17
00B8 CFFB RJMP lsl8
00B9 9508 RET
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