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📄 m8sp01.lis

📁 AVR MEGA8双机串行口通讯程序,单工485方式,用于单片机组网,有PROTEUS仿真电路,可以立刻验证
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                        .module M8SP01.c
                        .area data(ram, con, rel)
 0000           _TRADFG::
 0000                   .blkb 1
                        .area idata
 0000 00                .byte 0
                        .area data(ram, con, rel)
 0001                   .dbfile E:\m8com\M8SP01.c
 0001                   .dbsym e TRADFG _TRADFG c
 0001           _RDHIS::
 0001                   .blkb 1
                        .area idata
 0001 FF                .byte 255
                        .area data(ram, con, rel)
 0002                   .dbfile E:\m8com\M8SP01.c
 0002                   .dbsym e RDHIS _RDHIS c
 0002           _SlaveCR::
 0002                   .blkb 1
                        .area idata
 0002 00                .byte 0
                        .area data(ram, con, rel)
 0003                   .dbfile E:\m8com\M8SP01.c
 0003                   .dbsym e SlaveCR _SlaveCR c
 0003           _TXINTMAX::
 0003                   .blkb 1
                        .area idata
 0003 0C                .byte 12
                        .area data(ram, con, rel)
 0004                   .dbfile E:\m8com\M8SP01.c
 0004                   .dbsym e TXINTMAX _TXINTMAX c
 0004           _TXINTFG::
 0004                   .blkb 1
                        .area idata
 0004 00                .byte 0
                        .area data(ram, con, rel)
 0005                   .dbfile E:\m8com\M8SP01.c
 0005                   .dbsym e TXINTFG _TXINTFG c
 0005           _RXINTMAX::
 0005                   .blkb 1
                        .area idata
 0005 10                .byte 16
                        .area data(ram, con, rel)
 0006                   .dbfile E:\m8com\M8SP01.c
 0006                   .dbsym e RXINTMAX _RXINTMAX c
 0006           _RXINTCR::
 0006                   .blkb 1
                        .area idata
 0006 00                .byte 0
                        .area data(ram, con, rel)
 0007                   .dbfile E:\m8com\M8SP01.c
 0007                   .dbsym e RXINTCR _RXINTCR c
 0007           _RXINTFG::
 0007                   .blkb 1
                        .area idata
 0007 00                .byte 0
                        .area data(ram, con, rel)
 0008                   .dbfile E:\m8com\M8SP01.c
 0008                   .dbsym e RXINTFG _RXINTFG c
 0008           _TXbufP::
 0008                   .blkb 1
                        .area idata
 0008 00                .byte 0
                        .area data(ram, con, rel)
 0009                   .dbfile E:\m8com\M8SP01.c
 0009                   .dbsym e TXbufP _TXbufP c
 0009           _RXbufP::
 0009                   .blkb 1
                        .area idata
 0009 00                .byte 0
                        .area data(ram, con, rel)
 000A                   .dbfile E:\m8com\M8SP01.c
 000A                   .dbsym e RXbufP _RXbufP c
 000A           _RXbufPmax::
 000A                   .blkb 1
                        .area idata
 000A 0B                .byte 11
                        .area data(ram, con, rel)
 000B                   .dbfile E:\m8com\M8SP01.c
 000B                   .dbsym e RXbufPmax _RXbufPmax c
 000B           _RXERROR::
 000B                   .blkb 1
                        .area idata
 000B 00                .byte 0
                        .area data(ram, con, rel)
 000C                   .dbfile E:\m8com\M8SP01.c
 000C                   .dbsym e RXERROR _RXERROR c
 000C           _WaitCR0::
 000C                   .blkb 1
                        .area idata
 000C 00                .byte 0
                        .area data(ram, con, rel)
 000D                   .dbfile E:\m8com\M8SP01.c
 000D                   .dbsym e WaitCR0 _WaitCR0 c
 000D           _WaitCR1::
 000D                   .blkb 1
                        .area idata
 000D 00                .byte 0
                        .area data(ram, con, rel)
 000E                   .dbfile E:\m8com\M8SP01.c
 000E                   .dbsym e WaitCR1 _WaitCR1 c
 000E           _SLSTEP::
 000E                   .blkb 1
                        .area idata
 000E 0A                .byte 10
                        .area data(ram, con, rel)
 000F                   .dbfile E:\m8com\M8SP01.c
 000F                   .dbsym e SLSTEP _SLSTEP c
                        .area text(rom, con, rel)
 0000                   .dbfile E:\m8com\M8SP01.c
 0000                   .dbfunc e SoftTimer _SoftTimer fV
                        .even
 0000           _SoftTimer::
 0000                   .dbline -1
 0000                   .dbline 65
 0000                   .dbline 66
 0000 80910C00          lds R24,_WaitCR0
 0004 8F5F              subi R24,255    ; addi 1
 0006 80930C00          sts _WaitCR0,R24
 000A                   .dbline 67
 000A 8EEF              ldi R24,254
 000C 20900C00          lds R2,_WaitCR0
 0010 8215              cp R24,R2
 0012 40F4              brsh L2
 0014                   .dbline 68
 0014                   .dbline 69
 0014 2224              clr R2
 0016 20920C00          sts _WaitCR0,R2
 001A                   .dbline 70
 001A 80910D00          lds R24,_WaitCR1
 001E 8F5F              subi R24,255    ; addi 1
 0020 80930D00          sts _WaitCR1,R24
 0024                   .dbline 71
 0024           L2:
 0024                   .dbline -2
 0024           L1:
 0024                   .dbline 0 ; func end
 0024 0895              ret
 0026                   .dbend
 0026                   .dbfunc e SoftTimerStart _SoftTimerStart fV
                        .even
 0026           _SoftTimerStart::
 0026                   .dbline -1
 0026                   .dbline 74
 0026           ; //////////从机
 0026           ; 
 0026           ; #include <iom8v.h>
 0026           ; #include <macros.h>
 0026           ; //ISARM pro
 0026           ; #define OUTLED1OFF PORTB|=0x01       //for 
 0026           ; #define OUTLED1ON PORTB&=~0x01
 0026           ; #define OUTLED2OFF PORTB|=0x02       //For 
 0026           ; #define OUTLED2ON PORTB&=~0x02
 0026           ; #define OUTLED2Pulse PORTB^=0x02
 0026           ; 
 0026           ; #define OUTLED3OFF PORTB|=0x04      //For 
 0026           ; #define OUTLED3ON PORTB&=~0x04
 0026           ; #define OUTLED3Pulse PORTB^=0x04
 0026           ; #define OUTLED4OFF PORTB|=0x08      //For 
 0026           ; #define OUTLED4ON PORTB&=~0x08
 0026           ; #define OUTLED4Pulse PORTB^=0x08
 0026           ; 
 0026           ; #define OUTDEON PORTD|=0x10
 0026           ; #define OUTDEOFF PORTD&=~0x10
 0026           ; 
 0026           ; #define KB0 (PINC&0x01)
 0026           ; #define KB1 (PINC&0x02)
 0026           ; 
 0026           ; 
 0026           ; ///UART///
 0026           ; #define TXENABLE UCSRB&=~(1<<RXEN);UCSRB|=(1<<TXEN); 
 0026           ; #define RXENABLE UCSRB&=~(1<<TXEN);UCSRB|=(1<<RXEN); 
 0026           ; #define RXADDRESS UCSRA|=(1<<MPCM);TRADFG=0;
 0026           ; #define RXDATA UCSRA&=~(1<<MPCM);TRADFG=1;
 0026           ; //
 0026           ; #define TRFG0 0xFE
 0026           ; #define TRFG1 0xFD
 0026           ; #define TRFG2 0xF1
 0026           ; #define TRFG3 0xF0
 0026           ; //子板编号
 0026           ; #define SlaveAdress 5
 0026           ; //////////////////////////////
 0026           ; unsigned char TRADFG=0;  //0收地址,1收数据
 0026           ; unsigned char RDHIS=0xff;
 0026           ; 
 0026           ; unsigned char SlaveCR=0;  //子板编号计数器,当作物理地址
 0026           ; unsigned char TXINTMAX=12;//下行发送中断次数控制值
 0026           ; //unsigned char TXINTCR=0;//下行发送中断次数计数器
 0026           ; unsigned char TXINTFG=0;//下行发送中断次数完成标志
 0026           ; unsigned char RXINTMAX=16;//下行发送中断次数控制值
 0026           ; unsigned char RXINTCR=0;//下行发送中断次数计数器
 0026           ; unsigned char RXINTFG=0;//下行发送中断次数完成标志
 0026           ; 
 0026           ; unsigned char TXBUF[16]; //发送缓冲区
 0026           ; unsigned char RXBUF[30];  //接收缓冲区
 0026           ; unsigned char TXbufP=0;  //发送缓冲区下标
 0026           ; unsigned char RXbufP=0;  //接收缓冲区下标
 0026           ; unsigned char RXbufPmax=11;//接收数据实际长度
 0026           ; 
 0026           ; unsigned char RXERROR=0;
 0026           ; /////Soft Timer
 0026           ; unsigned char WaitCR0=0;
 0026           ; unsigned char WaitCR1=0;
 0026           ; 
 0026           ; unsigned char SLSTEP=10;
 0026           ; 
 0026           ; 
 0026           ; void SoftTimer(void)
 0026           ;   {
 0026           ;     WaitCR0++;
 0026           ;       if(WaitCR0>254)
 0026           ;        {
 0026           ;         WaitCR0=0;
 0026           ;         WaitCR1++;
 0026           ;        }//if(WaitCR0>0)
 0026           ;   }
 0026           ; void SoftTimerStart(void)
 0026           ;   {
 0026                   .dbline 75
 0026           ;    WaitCR0=0;
 0026 2224              clr R2
 0028 20920C00          sts _WaitCR0,R2
 002C                   .dbline 76
 002C           ;    WaitCR1=0;
 002C 20920D00          sts _WaitCR1,R2
 0030                   .dbline -2
 0030           L4:
 0030                   .dbline 0 ; func end
 0030 0895              ret
 0032                   .dbend
 0032                   .dbfunc e watchdog_init _watchdog_init fV
                        .even
 0032           _watchdog_init::
 0032                   .dbline -1
 0032                   .dbline 80
 0032           ;   }
 0032           ;   
 0032           ; void watchdog_init(void)
 0032           ;      {
 0032                   .dbline 81
 0032           ;          WDR();
 0032 A895              wdr
 0034                   .dbline 82
 0034           ;          WDTCR=0x0F ;
 0034 8FE0              ldi R24,15
 0036 81BD              out 0x21,R24
 0038                   .dbline -2
 0038           L5:
 0038                   .dbline 0 ; func end
 0038 0895              ret
 003A                   .dbend
 003A                   .dbfunc e Delay_1ms _Delay_1ms fV
 003A           ;              i -> R16,R17
                        .even
 003A           _Delay_1ms::
 003A                   .dbline -1
 003A                   .dbline 86
 003A           ;        }
 003A           ;        
 003A           ; void Delay_1ms(void)
 003A           ;       {
 003A                   .dbline 89
 003A           ;       unsigned int i;
 003A           ; 
 003A           ;       for (i = 1; i<1140; i++)
 003A 01E0              ldi R16,1
 003C 10E0              ldi R17,0
 003E 02C0              rjmp L10
 0040           L7:
 0040                   .dbline 91
 0040           L8:
 0040                   .dbline 89
 0040 0F5F              subi R16,255  ; offset = 1
 0042 1F4F              sbci R17,255
 0044           L10:
 0044                   .dbline 89
 0044 0437              cpi R16,116
 0046 E4E0              ldi R30,4
 0048 1E07              cpc R17,R30
 004A D0F3              brlo L7
 004C                   .dbline -2
 004C           L6:
 004C                   .dbline 0 ; func end
 004C 0895              ret
 004E                   .dbsym r i 16 i
 004E                   .dbend
 004E                   .dbfunc e delayXms _delayXms fV
 004E           ;              i -> R20,R21
 004E           ;              n -> R22,R23
                        .even
 004E           _delayXms::
 004E 00D0              rcall push_gset2
 0050 B801              movw R22,R16
 0052                   .dbline -1
 0052                   .dbline 95
 0052           ;               
 0052           ;                       ;
 0052           ;       }
 0052           ; 
 0052           ; void delayXms(unsigned int n)
 0052           ;      {
 0052                   .dbline 96
 0052           ;          unsigned int i=0;
 0052 4427              clr R20
 0054 5527              clr R21
 0056 03C0              rjmp L13
 0058           L12:
 0058                   .dbline 98
 0058                   .dbline 99
 0058 F0DF              rcall _Delay_1ms
 005A                   .dbline 100
 005A 4F5F              subi R20,255  ; offset = 1
 005C 5F4F              sbci R21,255
 005E                   .dbline 101
 005E           L13:
 005E                   .dbline 97
 005E           ;          while(i<n)

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