bell.lst

AVR单片机学习的许多简单但是非常有用的试验程序源码

__start:
__text_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 940E006C  CALL	_main
_exit:
    004A CFFF      RJMP	_exit
_delay_ms:
  i                    --> R20
  time                 --> R16
    004B 940E0079  CALL	push_gset1
FILE: D:\AVR\我的程序\轰鸣器实验\cfg.h
(0001) /*******************************
(0002) *程序名称：功能函数集
(0003) *作    者：萧联珠
(0004) *日    期：2007-11-17
(0005) ********************************/
(0006) #include <iom16v.h>
(0007) 
(0008) /*延时子程序*/
(0009) void delay_ms(int time)
(0010) {
(0011)  int i;
(0012)  for(;time>0;time--)
    004D C00A      RJMP	0x0058
(0013)   for(i=0;i<100;i++);
    004E 2744      CLR	R20
    004F 2755      CLR	R21
    0050 5F4F      SUBI	R20,0xFF
    0051 4F5F      SBCI	R21,0xFF
    0052 3644      CPI	R20,0x64
    0053 E0E0      LDI	R30,0
    0054 075E      CPC	R21,R30
    0055 F3D4      BLT	0x0050
    0056 5001      SUBI	R16,1
    0057 4010      SBCI	R17,0
    0058 2422      CLR	R2
    0059 2433      CLR	R3
    005A 1620      CP	R2,R16
    005B 0631      CPC	R3,R17
    005C F38C      BLT	0x004E
    005D 940E007C  CALL	pop_gset1
    005F 9508      RET
(0014) }
(0015) 
(0016) /*端口初始化*/
(0017) void port_init() 
(0018) {
(0019)   DDRD|=(1<<DDD5);  //配置PD5口为输出
_port_init:
    0060 9A8D      SBI	0x11,5
(0020)   PORTD|=(1<<PD5);  //PD5口的初始值为"1"
    0061 9A95      SBI	0x12,5
    0062 9508      RET
(0021) }
(0022) 
(0023) /*轰鸣器程序*/
(0024) void bell()  //轰鸣器须输入一定频率的脉冲波
(0025) {
(0026)  PORTD&=~(1<<PD5);
_bell:
    0063 9895      CBI	0x12,5
(0027)  delay_ms(2);
    0064 E002      LDI	R16,2
    0065 E010      LDI	R17,0
    0066 DFE4      RCALL	_delay_ms
(0028)  PORTD|=(1<<PD5);
    0067 9A95      SBI	0x12,5
(0029)  delay_ms(2);
    0068 E002      LDI	R16,2
    0069 E010      LDI	R17,0
    006A DFE0      RCALL	_delay_ms
    006B 9508      RET
FILE: D:\AVR\我的程序\轰鸣器实验\main.c
(0001) /***********************************
(0002) *实验目的：熟悉轰鸣器操作编程
(0003) *设    计：萧联珠
(0004) *日    期：2007-11-18
(0005) ************************************/
(0006) #include <iom16v.h>
(0007) #include "cfg.h"
(0008) 
(0009) void main()
(0010) {
(0011)   port_init();
_main:
    006C DFF3      RCALL	_port_init
    006D C001      RJMP	0x006F
(0012)   while(1)
(0013)   {
(0014)    bell();
FILE: <library>
    006E DFF4      RCALL	_bell
    006F CFFE      RJMP	0x006E
    0070 9508      RET
push_gset5:
    0071 92FA      ST	R15,-Y
    0072 92EA      ST	R14,-Y
push_gset4:
    0073 92DA      ST	R13,-Y
    0074 92CA      ST	R12,-Y
push_gset3:
    0075 92BA      ST	R11,-Y
    0076 92AA      ST	R10,-Y
push_gset2:
    0077 937A      ST	R23,-Y
    0078 936A      ST	R22,-Y
push_gset1:
    0079 935A      ST	R21,-Y
    007A 934A      ST	R20,-Y
    007B 9508      RET
pop_gset1:
    007C E0E1      LDI	R30,1
pop:
    007D 9149      LD	R20,Y+
    007E 9159      LD	R21,Y+
    007F FDE0      SBRC	R30,0
    0080 9508      RET
    0081 9169      LD	R22,Y+
    0082 9179      LD	R23,Y+
    0083 FDE1      SBRC	R30,1
    0084 9508      RET
    0085 90A9      LD	R10,Y+
    0086 90B9      LD	R11,Y+
    0087 FDE2      SBRC	R30,2
    0088 9508      RET
    0089 90C9      LD	R12,Y+
    008A 90D9      LD	R13,Y+
    008B FDE3      SBRC	R30,3
    008C 9508      RET
    008D 90E9      LD	R14,Y+
    008E 90F9      LD	R15,Y+
    008F 9508      RET