sound.lst

meg16 的所有功能实例

__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 36E0      CPI	R30,0x60
    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\蜂鸣器测试\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:		Sound 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) **PD7--->Sound_EN
(0027) **
(0028) **描述：驱动蜂鸣器，并且让他非连续鸣叫。
(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) void Delay_us(unsigned int time)
(0041) {
(0042) 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 940E0078  CALL	push_gset1
    0055 01A8      MOVW	R20,R16
(0043) }
(0044) 
(0045) void Delay_ms(unsigned int time)
(0046) {
    0056 C003      RJMP	0x005A
(0047) while(time--)
(0048) 	{
(0049) 	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 940E007B  CALL	pop_gset1
    0063 9508      RET
(0050) 	}
(0051) }
(0052) 
(0053) void main(void)
(0054) {
(0055)  //初始化端口
(0056)  DDRD |=0X80;	   	//设置PD7为输出   	   						
_main:
    0064 9A8F      SBI	0x11,7
(0057)  PORTD|=0X80;		//设置PD7为高电平
    0065 9A97      SBI	0x12,7
(0058)  
(0059)  //开始演示
(0060)  for(;;)
(0061) 	 { 
(0062)      PORTD&=~0X80;		//低电平驱动
    0066 9897      CBI	0x12,7
(0063)  	 Delay_ms(100); 	//延时0.1s
    0067 E604      LDI	R16,0x64
    0068 E010      LDI	R17,0
    0069 DFE9      RCALL	_Delay_ms
(0064)  	 PORTD|=0X80;		//高电平暂停
    006A 9A97      SBI	0x12,7
(0065)  	 Delay_ms(1000);	//延时2s
FILE: <library>
    006B EE08      LDI	R16,0xE8
    006C E013      LDI	R17,3
    006D DFE5      RCALL	_Delay_ms
    006E CFF7      RJMP	0x0066
    006F 9508      RET
push_gset5:
    0070 92FA      ST	R15,-Y
    0071 92EA      ST	R14,-Y
push_gset4:
    0072 92DA      ST	R13,-Y
    0073 92CA      ST	R12,-Y
push_gset3:
    0074 92BA      ST	R11,-Y
    0075 92AA      ST	R10,-Y
push_gset2:
    0076 937A      ST	R23,-Y
    0077 936A      ST	R22,-Y
push_gset1:
    0078 935A      ST	R21,-Y
    0079 934A      ST	R20,-Y
    007A 9508      RET
pop_gset1:
    007B E0E1      LDI	R30,1
pop:
    007C 9149      LD	R20,Y+
    007D 9159      LD	R21,Y+
    007E FDE0      SBRC	R30,0
    007F 9508      RET
    0080 9169      LD	R22,Y+
    0081 9179      LD	R23,Y+
    0082 FDE1      SBRC	R30,1
    0083 9508      RET
    0084 90A9      LD	R10,Y+
    0085 90B9      LD	R11,Y+
    0086 FDE2      SBRC	R30,2
    0087 9508      RET
    0088 90C9      LD	R12,Y+
    0089 90D9      LD	R13,Y+
    008A FDE3      SBRC	R30,3
    008B 9508      RET
    008C 90E9      LD	R14,Y+
    008D 90F9      LD	R15,Y+
    008E 9508      RET