delay.lis

AVR单片机的T_TO_TWI通讯方式

                        .module delay.c
                        .area text(rom, con, rel)
 0000                   .dbfile F:\UART_TO_TWI\delay.c
 0000                   .dbfunc e delay _delay fV
 0000           ;              d -> R16,R17
                        .even
 0000           _delay::
 0000                   .dbline -1
 0000                   .dbline 5
 0000           ; #include <iom8v.h>
 0000           ; #include <macros.h>
 0000           ; 
 0000           ; void delay(unsigned int d)                                    //延时
 0000           ; {
 0000 01C0              rjmp L3
 0002           L2:
 0002                   .dbline 7
 0002 A895              wdr
 0004           L3:
 0004                   .dbline 6
 0004           ;       while (d--)
 0004 1801              movw R2,R16
 0006 0150              subi R16,1
 0008 1040              sbci R17,0
 000A 2220              tst R2
 000C D1F7              brne L2
 000E 3320              tst R3
 0010 C1F7              brne L2
 0012           X0:
 0012                   .dbline -2
 0012           L1:
 0012                   .dbline 0 ; func end
 0012 0895              ret
 0014                   .dbsym r d 16 i
 0014                   .dbend
 0014                   .dbfunc e delay_us _delay_us fV
 0014           ;           time -> R16,R17
                        .even
 0014           _delay_us::
 0014                   .dbline -1
 0014                   .dbline 11
 0014           ;               WDR();                                                                                                                                                  //喂狗
 0014           ; }
 0014           ; /*                            微秒级延时程序                  */
 0014           ; void delay_us(int time)
 0014           ;        {     
 0014           L6:
 0014                   .dbline 13
 0014           ;         do
 0014           ;               {
 0014                   .dbline 14
 0014           ;                time--;
 0014 0150              subi R16,1
 0016 1040              sbci R17,0
 0018                   .dbline 15
 0018           ;               }       
 0018           L7:
 0018                   .dbline 16
 0018           ;         while (time>1)WDR();
 0018 81E0              ldi R24,1
 001A 90E0              ldi R25,0
 001C 8017              cp R24,R16
 001E 9107              cpc R25,R17
 0020 CCF3              brlt L6
 0022 A895              wdr
 0024                   .dbline -2
 0024           L5:
 0024                   .dbline 0 ; func end
 0024 0895              ret
 0026                   .dbsym r time 16 I
 0026                   .dbend
 0026                   .dbfunc e delay_ms _delay_ms fV
 0026           ;           time -> R20,R21
                        .even
 0026           _delay_ms::
 0026 00D0              rcall push_gset1
 0028 A801              movw R20,R16
 002A                   .dbline -1
 002A                   .dbline 20
 002A           ;        }        
 002A           ; /*                        毫秒级延时程序                      */       
 002A           ; void delay_ms(unsigned int time)
 002A           ;        {
 002A 05C0              rjmp L11
 002C           L10:
 002C                   .dbline 22
 002C                   .dbline 23
 002C 08EE              ldi R16,1000
 002E 13E0              ldi R17,3
 0030 F1DF              rcall _delay_us
 0032                   .dbline 24
 0032 4150              subi R20,1
 0034 5040              sbci R21,0
 0036                   .dbline 25
 0036           L11:
 0036                   .dbline 21
 0036           ;         while(time!=0)
 0036 4030              cpi R20,0
 0038 4507              cpc R20,R21
 003A C1F7              brne L10
 003C           X1:
 003C                   .dbline -2
 003C           L9:
 003C 00D0              rcall pop_gset1
 003E                   .dbline 0 ; func end
 003E 0895              ret
 0040                   .dbsym r time 20 i
 0040                   .dbend