📄 485.lst
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01A8 27FF CLR R31
01A9 0FE8 ADD R30,R24
01AA 1FF9 ADC R31,R25
01AB 9020009C LDS R2,0x9C
01AD 8220 STD Z+0,R2
(0040) n++;
01AE 91800100 LDS R24,n
01B0 5F8F SUBI R24,0xFF
01B1 93800100 STS n,R24
(0041) //记忆接收的次数
(0042)
(0043) if(ERROR) //如果通讯有错....
01B3 2344 TST R20
01B4 F051 BEQ 0x01BF
(0044) {
(0045) n=0; //接收计数清0
01B5 2422 CLR R2
01B6 92200100 STS n,R2
(0046) inbox[0]=0; //把地址改为无效地址0
01B8 9220011C STS inbox,R2
(0047) UCSR1A|=0x01; //重新打开接收器的地址帧筛选功能
01BA 9180009B LDS R24,0x9B
01BC 6081 ORI R24,1
01BD 9380009B STS 0x9B,R24
(0048) }
(0049) //如果地址匹配本机或者是广播地址就关闭地址筛选(多机通讯)功能 (关闭是为了保证后面的数据全部接收到)
(0050) if(inbox[0]==address ||inbox[0]==0xff) {UCSR1A&=~0x01; }
01BF 9180011C LDS R24,inbox
01C1 3082 CPI R24,2
01C2 F011 BEQ 0x01C5
01C3 3F8F CPI R24,0xFF
01C4 F429 BNE 0x01CA
01C5 9180009B LDS R24,0x9B
01C7 7F8E ANDI R24,0xFE
01C8 9380009B STS 0x9B,R24
(0051) if(n==amount) //接收到amount个数据以后...
01CA 91800100 LDS R24,n
01CC 308A CPI R24,0xA
01CD F529 BNE 0x01F3
(0052) { LCD_write_string(4,1,inbox);
01CE E18C LDI R24,0x1C
01CF E091 LDI R25,1
01D0 8399 STD Y+1,R25
01D1 8388 STD Y+0,R24
01D2 E021 LDI R18,1
01D3 E004 LDI R16,4
01D4 DF31 RCALL _LCD_write_string
(0053) n=0; //接收计数清0
01D5 2422 CLR R2
01D6 92200100 STS n,R2
(0054) UCSR1A|=0x01; //重新打开接收器的地址帧筛选功能
01D8 9180009B LDS R24,0x9B
01DA 6081 ORI R24,1
01DB 9380009B STS 0x9B,R24
(0055) if(inbox[amount-1]==crc8(inbox,amount-1)) //如果crc8校验正确就...
01DD E029 LDI R18,0x9
01DE E10C LDI R16,0x1C
01DF E011 LDI R17,1
01E0 DF87 RCALL _crc8
01E1 90200125 LDS R2,0x125
01E3 1620 CP R2,R16
01E4 F471 BNE 0x01F3
(0056) {
(0057) if(inbox[0]==address)flag_me=1; //本机地址
01E5 9180011C LDS R24,inbox
01E7 3082 CPI R24,2
01E8 F419 BNE 0x01EC
01E9 E081 LDI R24,1
01EA 93800101 STS flag_me,R24
(0058) //接收完数据后会置标志位,在读取数据后要把标志位置零
(0059) if(inbox[0]==255) flag_all=1; //广播地址,接收后不要回复
01EC 9180011C LDS R24,inbox
01EE 3F8F CPI R24,0xFF
01EF F419 BNE 0x01F3
01F0 E081 LDI R24,1
01F1 93800102 STS flag_all,R24
(0060) //接收完数据后会置标志位,在读取数据后要把标志位置零
(0061) }
(0062) }
01F3 9622 ADIW R28,2
01F4 940E026C CALL pop_gset1
01F6 940E0297 CALL pop_lset
01F8 9518 RETI
_out_485:
i --> R20
ptr --> R22
01F9 940E0267 CALL push_gset2
01FB 01B8 MOVW R22,R16
(0063)
(0064) }
(0065)
(0066)
(0067) void out_485(unsigned char *ptr)
(0068) {unsigned char i;
(0069)
(0070) send[0]=1; //发件箱地址指向主机
01FC E081 LDI R24,1
01FD 93800126 STS send,R24
(0071) for(i=1;i<amount-1;i++)send[i]=*ptr++;//把发送的数据方到发信箱
01FF E041 LDI R20,1
0200 C00B RJMP 0x020C
0201 E286 LDI R24,0x26
0202 E091 LDI R25,1
0203 2FE4 MOV R30,R20
0204 27FF CLR R31
0205 0FE8 ADD R30,R24
0206 1FF9 ADC R31,R25
0207 01DB MOVW R26,R22
0208 902D LD R2,X+
0209 01BD MOVW R22,R26
020A 8220 STD Z+0,R2
020B 9543 INC R20
020C 3049 CPI R20,0x9
020D F398 BCS 0x0201
(0072) send[amount-1]=crc8(send,amount-1); //计算发件箱的crc8校验码
020E E029 LDI R18,0x9
020F E206 LDI R16,0x26
0210 E011 LDI R17,1
0211 DF56 RCALL _crc8
0212 9300012F STS 0x12F,R16
(0073) usart_out(send,amount); //将发件箱的数据send[]发送出去
0214 E02A LDI R18,0xA
0215 E206 LDI R16,0x26
0216 E011 LDI R17,1
0217 DF22 RCALL _usart_out
0218 940E025B CALL pop_gset2
021A 9508 RET
_main:
021B 9722 SBIW R28,2
(0074)
(0075) }
(0076)
(0077) //------------------------主函数---------------------------------
(0078) void main(void)
(0079) {
(0080) usart_init();
021C DF0B RCALL _usart_init
(0081) SEI();
021D 9478 BSET 7
(0082) LCD_init();
021E DE80 RCALL _LCD_init
(0083) LCD_write_string(0,0,"out:");
021F E187 LDI R24,0x17
0220 E091 LDI R25,1
0221 8399 STD Y+1,R25
0222 8388 STD Y+0,R24
0223 2722 CLR R18
0224 2700 CLR R16
0225 DEE0 RCALL _LCD_write_string
(0084) LCD_write_string(0,1,"int:");
0226 E182 LDI R24,0x12
0227 E091 LDI R25,1
0228 8399 STD Y+1,R25
0229 8388 STD Y+0,R24
022A E021 LDI R18,1
022B 2700 CLR R16
022C DED9 RCALL _LCD_write_string
022D C02A RJMP 0x0258
(0085) while (1)
(0086) {
(0087) while(flag_me)
(0088) {
(0089) //----------------------测试语句----------------------------------
(0090) LCD_write_string(4,1,inbox);
022E E18C LDI R24,0x1C
022F E091 LDI R25,1
0230 8399 STD Y+1,R25
0231 8388 STD Y+0,R24
0232 E021 LDI R18,1
0233 E004 LDI R16,4
0234 DED1 RCALL _LCD_write_string
(0091) n=0; //中断次数清0
0235 2422 CLR R2
0236 92200100 STS n,R2
(0092) inbox[0]=0; //收件箱地址清0
0238 9220011C STS inbox,R2
(0093) flag_me=0;//清收信箱满标志位
023A 92200101 STS flag_me,R2
(0094) out_485("2,ok!!!!");//只有接收到数据时才能发送,否则会有冲突
023C E009 LDI R16,0x9
023D E011 LDI R17,1
023E DFBA RCALL _out_485
(0095) LCD_write_string(4,0,send);
023F E286 LDI R24,0x26
0240 E091 LDI R25,1
0241 8399 STD Y+1,R25
0242 8388 STD Y+0,R24
0243 2722 CLR R18
0244 E004 LDI R16,4
0245 DEC0 RCALL _LCD_write_string
(0096) LCD_write_string(13,0," ");
0246 E083 LDI R24,3
0247 E091 LDI R25,1
0248 8399 STD Y+1,R25
0249 8388 STD Y+0,R24
024A 2722 CLR R18
024B E00D LDI R16,0xD
024C DEB9 RCALL _LCD_write_string
(0097) LCD_write_string(13,1," ");
024D E083 LDI R24,3
024E E091 LDI R25,1
024F 8399 STD Y+1,R25
0250 8388 STD Y+0,R24
0251 E021 LDI R18,1
0252 E00D LDI R16,0xD
0253 DEB2 RCALL _LCD_write_string
0254 90200101 LDS R2,flag_me
0256 2022 TST R2
0257 F6B1 BNE 0x022E
0258 CFFB RJMP 0x0254
(0098) //----------------------------------------------------------------
(0099)
(0100) }
(0101) };
FILE: <library>
0259 9622 ADIW R28,2
025A 9508 RET
pop_gset2:
025B E0E2 LDI R30,2
025C 940C026D JMP pop
pop_gset3:
025E E0E4 LDI R30,4
025F 940C026D JMP pop
push_gset5:
0261 92FA ST R15,-Y
0262 92EA ST R14,-Y
push_gset4:
0263 92DA ST R13,-Y
0264 92CA ST R12,-Y
push_gset3:
0265 92BA ST R11,-Y
0266 92AA ST R10,-Y
push_gset2:
0267 937A ST R23,-Y
0268 936A ST R22,-Y
push_gset1:
0269 935A ST R21,-Y
026A 934A ST R20,-Y
026B 9508 RET
pop_gset1:
026C E0E1 LDI R30,1
pop:
026D 9149 LD R20,Y+
026E 9159 LD R21,Y+
026F FDE0 SBRC R30,0
0270 9508 RET
0271 9169 LD R22,Y+
0272 9179 LD R23,Y+
0273 FDE1 SBRC R30,1
0274 9508 RET
0275 90A9 LD R10,Y+
0276 90B9 LD R11,Y+
0277 FDE2 SBRC R30,2
0278 9508 RET
0279 90C9 LD R12,Y+
027A 90D9 LD R13,Y+
027B FDE3 SBRC R30,3
027C 9508 RET
027D 90E9 LD R14,Y+
027E 90F9 LD R15,Y+
027F 9508 RET
push_lset:
0280 93FA ST R31,-Y
0281 93EA ST R30,-Y
0282 93BA ST R27,-Y
0283 93AA ST R26,-Y
0284 939A ST R25,-Y
0285 938A ST R24,-Y
0286 933A ST R19,-Y
0287 932A ST R18,-Y
0288 931A ST R17,-Y
0289 930A ST R16,-Y
028A 929A ST R9,-Y
028B 928A ST R8,-Y
028C 927A ST R7,-Y
028D 926A ST R6,-Y
028E 925A ST R5,-Y
028F 924A ST R4,-Y
0290 923A ST R3,-Y
0291 922A ST R2,-Y
0292 921A ST R1,-Y
0293 920A ST R0,-Y
0294 B60F IN R0,0x3F
0295 920A ST R0,-Y
0296 9508 RET
pop_lset:
0297 9009 LD R0,Y+
0298 BE0F OUT 0x3F,R0
0299 9009 LD R0,Y+
029A 9019 LD R1,Y+
029B 9029 LD R2,Y+
029C 9039 LD R3,Y+
029D 9049 LD R4,Y+
029E 9059 LD R5,Y+
029F 9069 LD R6,Y+
02A0 9079 LD R7,Y+
02A1 9089 LD R8,Y+
02A2 9099 LD R9,Y+
02A3 9109 LD R16,Y+
02A4 9119 LD R17,Y+
02A5 9129 LD R18,Y+
02A6 9139 LD R19,Y+
02A7 9189 LD R24,Y+
02A8 9199 LD R25,Y+
02A9 91A9 LD R26,Y+
02AA 91B9 LD R27,Y+
02AB 91E9 LD R30,Y+
02AC 91F9 LD R31,Y+
02AD 9508 RET
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