📄 communication.s
字号:
xcall _delay_nus
.dbline 497
L255:
.dbline 487
inc R22
L257:
.dbline 487
cp R22,R20
brlo L254
.dbline 498
; i2c_rd_buff[j-1]=TWDR; //读取数
; TWCR = (1<<TWEN)| // TWI Interface enabled
; (0<<TWIE)|(1<<TWINT)| // Enable TWI Interupt and clear the flag to read next byte
; (1<<TWEA)|(0<<TWSTA)|(0<<TWSTO)| // Send ACK after reception
; (0<<TWWC);
; delay_nus(25); //最低值！
; }
; if(TestAck()!= TWI_MRX_DATA_ACK ) //ACK
lds R24,113
andi R24,248
cpi R24,80
breq L261
.dbline 499
; return 1; //出错
ldi R16,1
xjmp L243
L261:
.dbline 500
; i2c_rd_buff[num-1]=TWDR; //读取数
ldi R24,<_i2c_rd_buff-1
ldi R25,>_i2c_rd_buff-1
mov R30,R20
clr R31
add R30,R24
adc R31,R25
lds R2,115
std z+0,R2
.dbline 501
; TWCR = (1<<TWEN)| // TWI Interface enabled
ldi R24,132
sts 116,R24
.dbline 505
; (0<<TWIE)|(1<<TWINT)| // Enable TWI Interupt and clear the flag to read next byte
; (0<<TWEA)|(0<<TWSTA)|(0<<TWSTO)| // Send NACK after reception
; (0<<TWWC);
; delay_nus(25); //最低值！
ldi R16,25
ldi R17,0
xcall _delay_nus
.dbline 506
; if(TestAck()!= TWI_MRX_DATA_NACK ) //NACK
lds R24,113
andi R24,248
cpi R24,88
breq L264
.dbline 507
; return 1; //出错
ldi R16,1
xjmp L243
L264:
.dbline 508
; Stop(); //I2C停止
ldi R24,148
sts 116,R24
.dbline 509
; return 0; //整个过程正常时返回0
clr R16
.dbline -2
L243:
xcall pop_gset3
.dbline 0 ; func end
ret
.dbsym r j 22 c
.dbsym r num 20 c
.dbsym r command 10 c
.dbend
.dbfunc e EEPROM_write _EEPROM_write fV
; data -> R18
; address -> R16,R17
.even
_EEPROM_write::
.dbline -1
.dbline 515
; }
;
; //片内E2PROM的读写 自编
; //片内E2PROM写函数
; void EEPROM_write(unsigned int address,unsigned char data)
; {
L267:
.dbline 517
L268:
.dbline 516
; while(EECR&(1<<EEWE))
sbic 0x1c,1
rjmp L267
.dbline 518
; ;
; EEAR=address;
out 0x1f,R17
out 0x1e,R16
.dbline 519
; EEDR=data;
out 0x1d,R18
.dbline 520
; EECR|=(1<<EEMWE);
sbi 0x1c,2
.dbline 521
; EECR|=(1<<EEWE);
sbi 0x1c,1
.dbline -2
L266:
.dbline 0 ; func end
ret
.dbsym r data 18 c
.dbsym r address 16 i
.dbend
.dbfunc e EEPROM_read _EEPROM_read fc
; i -> R20
; address -> R16,R17
.even
_EEPROM_read::
xcall push_gset1
.dbline -1
.dbline 525
; }
; //片内E2PROM读函数
; unsigned char EEPROM_read(unsigned int address)
; {
L271:
.dbline 528
L272:
.dbline 527
; uchar i;
; while(EECR&(1<<EEWE))
sbic 0x1c,1
rjmp L271
.dbline 529
; ;
; EEAR=address;
out 0x1f,R17
out 0x1e,R16
.dbline 530
; EECR|=(1<<EERE);
sbi 0x1c,0
.dbline 532
; //return EEDR;
; i=EEDR;
in R20,0x1d
.dbline 533
; return i;
mov R16,R20
.dbline -2
L270:
xcall pop_gset1
.dbline 0 ; func end
ret
.dbsym r i 20 c
.dbsym r address 16 i
.dbend
.area lit(rom, con, rel)
L275:
.byte 1,2
.byte 4,8
.byte 16,32
.byte 64,128
.area text(rom, con, rel)
.dbfile F:\AVR\zhulast\communication.c
.dbfunc e atuo_search _atuo_search fV
; temp2 -> R20
; temp1 -> y+22
; addrxyl -> y+21
; addrxyh -> y+20
; addrxy -> y+18
; t -> y+16
; temp6 -> R14
; temp5 -> R12
; temp4 -> R10
; temp3 -> R22
; xuanbit2 -> y+5
; j -> y+15
; i -> y+14
; k -> y+13
.even
_atuo_search::
xcall push_gset5
sbiw R28,23
.dbline -1
.dbline 538
; }
; /***********************************************************************************/
; //自动搜索，存储下面接点的投用情况及投用类型
; void atuo_search(void)
; {
.dbline 539
; uint t=0;
clr R0
clr R1
std y+17,R1
std y+16,R0
.dbline 540
; uint addrxy=0;
std y+19,R1
std y+18,R0
.dbline 541
; uchar addrxyh=0,addrxyl=0;
std y+20,R0
.dbline 541
std y+21,R0
.dbline 542
; uchar k=0,i=0;
std y+13,R0
.dbline 542
std y+14,R0
.dbline 543
; uchar j=0;
std y+15,R0
.dbline 544
; uchar temp1=0,temp2=0;
std y+22,R0
.dbline 544
clr R20
.dbline 545
; uchar temp3=0,temp4=0,temp5=0,temp6=0; //节点投用判断用
clr R22
.dbline 545
clr R10
.dbline 545
clr R12
.dbline 545
clr R14
.dbline 547
; //uchar autoc[5]={0xff,0xff,0xff,0xff,0xff};
; uchar xuanbit2[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
ldi R24,<L275
ldi R25,>L275
movw R30,R28
adiw R30,5
ldi R16,8
ldi R17,0
st -y,R31
st -y,R30
st -y,R25
st -y,R24
xcall asgncblk
.dbline 548
; for(k=0;k<4;k++) //读取转换器的投用情况
clr R0
std y+13,R0
xjmp L279
L276:
.dbline 549
.dbline 550
ldd R16,y+13
clr R17
subi R16,248 ; offset = 8
sbci R17,255
xcall _EEPROM_read
mov R2,R16
ldi R24,<_canuse
ldi R25,>_canuse
ldd R30,y+13
clr R31
add R30,R24
adc R31,R25
std z+0,R2
.dbline 551
ldi R16,3
ldi R17,0
xcall _delay_nms
.dbline 552
L277:
.dbline 548
ldd R0,y+13
inc R0
std y+13,R0
L279:
.dbline 548
ldd R24,y+13
cpi R24,4
brlo L276
.dbline 553
; {
; canuse[k]=EEPROM_read(0x0008+k) ;
; delay_nms(3);
; }
; for(fl=1;fl<=32;fl++) //32个转换器 fu le
ldi R24,1
sts _fl,R24
xjmp L283
L280:
.dbline 554
; {
.dbline 555
; wdr();
xcall _wdr
.dbline 556
; temp1=(fl-1)%8; //余数
ldi R17,8
lds R16,_fl
subi R16,1
xcall mod8u
std y+22,R16
.dbline 557
; temp2=(fl-1)/8; //商
lds R20,_fl
subi R20,1
lsr R20
lsr R20
lsr R20
.dbline 558
; if((xuanbit2[temp1]&canuse[temp2])==0) //表示对应的转换器投用
ldi R24,<_canuse
ldi R25,>_canuse
mov R30,R20
clr R31
add R30,R24
adc R31,R25
ldd R2,z+0
movw R24,R28
adiw R24,5
mov R30,R16
clr R31
add R30,R24
adc R31,R25
ldd R3,z+0
and R3,R2
breq X1
xjmp L284
X1:
.dbline 559
; {
.dbline 560
; write_MCP(TXB0SIDH,fl); //接收方的地址
lds R18,_fl
ldi R16,49
xcall _write_MCP
.dbline 561
; write_MCP(TXB0SIDL,0x08); //扩展帧格式
ldi R18,8
ldi R16,50
xcall _write_MCP
.dbline 562
; write_MCP(TXB0EID8,0x00); //标识发送方地址
clr R18
ldi R16,51
xcall _write_MCP
.dbline 563
; write_MCP(TXB0EID0,0x00); //485节点地址
clr R18
ldi R16,52
xcall _write_MCP
.dbline 564
; write_MCP(TXB0DLC, 8); //发送8个字节
ldi R18,8
ldi R16,53
xcall _write_MCP
.dbline 565
; write_MCP(TXB0D0, 0xab); //命令字节1
ldi R18,171
ldi R16,54
xcall _write_MCP
.dbline 566
; write_MCP(TXB0D1, 0xba); //命令字节2
ldi R18,186
ldi R16,55
xcall _write_MCP
.dbline 567
; write_MCP(TXB0D2, 0x00);
clr R18
ldi R16,56
xcall _write_MCP
.dbline 568
; write_MCP(TXB0D3, 0x00);
clr R18
ldi R16,57
xcall _write_MCP
.dbline 569
; write_MCP(TXB0D4, 0x00);
clr R18
ldi R16,58
xcall _write_MCP
.dbline 570
; write_MCP(TXB0D5, 0x00);
clr R18
ldi R16,59
xcall _write_MCP
.dbline 571
; write_MCP(TXB0D6, 0x00);
clr R18
ldi R16,60
xcall _write_MCP
.dbline 572
; write_MCP(TXB0D7, 0x00);
clr R18
ldi R16,61
xcall _write_MCP
.dbline 573
; EIMSK&=~(1<<INT6) ;
in R24,0x39
andi R24,191
out 0x39,R24
.dbline 574
; UCSR1B&=~(1<<RXCIE1);
lds R24,154
andi R24,127
sts 154,R24
.dbline 575
; send_box_0(); //发送
xcall _send_box_0
.dbline 577
; //NOP();
; mcu_ok(1); //灭
ldi R16,1
xcall _mcu_ok
.dbline 578
; wdr();
xcall _wdr
.dbline 579
; delay_nms(1000);
ldi R16,1000
ldi R17,3
xcall _delay_nms
.dbline 580
; wdr();
xcall _wdr
.dbline 581
; delay_nms(1000);
ldi R16,1000
ldi R17,3
xcall _delay_nms
xjmp L287
L286:
.dbline 583
; while(zhongbuff[0][2]!=0xac) //一直等待
; {
.dbline 584
; t++;
ldd R24,y+16
ldd R25,y+17
adiw R24,1
std y+17,R25
std y+16,R24
.dbline 585
; if(t>65000)
ldi R24,65000
ldi R25,253
ldd R0,y+16
ldd R1,y+17
cp R24,R0
cpc R25,R1
brsh L290
.dbline 586
; {
.dbline 587
; t=0;
clr R0
clr R1
std y+17,R1
std y+16,R0
.dbline 588
; break;
xjmp L288
L290:
.dbline 590
L287:
.dbline 582
lds R24,_zhongbuff+2
cpi R24,172
brne L286
L288:
.dbline 591
; }
; }
; if( zhongbuff[0][2]==0xac)
lds R24,_zhongbuff+2
cpi R24,172
breq X2
xjmp L292
X2:
.dbline 592
; {
.dbline 593
; t=0;
clr R0
clr R1
std y+17,R1
std y+16,R0
.dbline 594
; zhongbuff[0][2]=0;
clr R2
sts _zhongbuff+2,R2
.dbline 595
; for(k=0;k<5;k++)
std y+13,R0
xjmp L299
L296:
.dbline 596
ldi R24,<_zhongbuff+3
ldi R25,>_zhongbuff+3
ldd R30,y+13
clr R31
add R30,R24
adc R31,R25
ldd R2,z+0
ldi R24,<_autoc
ldi R25,>_autoc
ldd R30,y+13
clr R31
add R30,R24
adc R31,R25
std z+0,R2
L297:
.dbline 595
ldd R0,y+13
inc R0
std y+13,R0
L299:
.dbline 595
ldd R24,y+13
cpi R24,5
brlo L296
.dbline 600
; autoc[k]=zhongbuff[0][k+3]; //此转换器下接点的投用情况
; //n可以作为对应转换器的地址
; //保存节点的投用情况及投用类型
; //要做的工作
; for(k=0;k<6;k++) //清零
clr R0
std y+13,R0
xjmp L304
L301:
.dbline 601
ldi R24,<_zhongbuff+2
ldi R25,>_zhongbuff+2
ldd R30,y+13
clr R31
add R30,R24
adc R31,R25
clr R2
std z+0,R2
L302:
.dbline 600
ldd R0,y+13
inc R0
std y+13,R0
L304:
.dbline 600
ldd R24,y+13
cpi R24,6
brlo L301
.dbline 602
; zhongbuff[0][k+2]=0;
; for(k=0;k<4;k++) //存节点的投用情况
clr R0
std y+13,R0
xjmp L309
L306:
.dbline 603
ldi R24,<_autoc+1
ldi R25,>_autoc+1
ldd R30,y+13
clr R31
add R30,R24
adc R31,R25
ldd R18,z+0
lds R2,_fl
ldi R24,4
mul R24,R2
ldd R16,y+13
clr R17
subi R16,244 ; offset = 12
sbci R17,255
add R16,R0
adc R17,R1
xcall _EEPROM_write
L307:
.dbline 602
ldd R0,y+13
inc R0
std y+13,R0
L309:
.dbline 602
ldd R24,y+13
cpi R24,4
brlo L306
.dbline 604
; EEPROM_write(0x000c+k+fl*4,autoc[k+1]);
; EEPROM_write(0x0090+fl,autoc[0]);
lds R18,_autoc
lds R16,_fl
clr R17
subi R16,112 ; offset = 144
sbci R17,255
xcall _EEPROM_write
.dbline 605
; }
L292:
.dbline 606
; EIMSK|=(1<<INT6) ;
in R24,0x39
ori R24,64
out 0x39,R24
.dbline 607
; UCSR1B|=(1<<RXCIE1);
lds R24,154
ori R24,128
sts 154,R24
.dbline 608
; }
L284:
.dbline 609
ldi R16,10
ldi R17,0
xcall _delay_nms
.dbline 610
clr R16
xcall _mcu_ok
.dbline 611
L281:
.dbline 553
lds R24,_fl
subi R24,255 ; addi 1
sts _fl,R24
L283:
.dbline 553
ldi R24,32
lds R2,_fl
cp R24,R2
brlo X3
xjmp L280
X3:
.dbline 612
; delay_nms(10);
; mcu_ok(0); //亮
; }
; for(k=0;k<33;k++) //读取所有485节点的投用情况
clr R0
std y+13,R0
xjmp L314
L311:
.dbline 613
; {
.dbline 614
; wdr();
xcall _wdr
.dbline 615
; for(j=0;j<4;j++)
clr R0
std y+15,R0
xjmp L318
L315:
.dbline 616
ldi R24,4
ldd R0,y+13
mul R24,R0
ldd R16,y+15
clr R17
subi R16,244 ; offset = 12
sbci R17,255
add R16,R0
adc R17,R1
push R0
push R1
xcall _EEPROM_read
pop R3
pop R2
mov R4,R16
ldi R24,<_detuse
ldi R25,>_detuse
add R2,R24
adc R3,R25
ldd R30,y+15
clr R31
add R30,R2
adc R31,R3
std z+0,R4
L316:
.dbline 615
ldd R0,y+15
inc R0
std y+15,R0
L318:
.dbline 615
ldd R24,y+15
cpi R24,4
brlo L315
.dbline 617
L312:
.dbline 612
ldd R0,y+13
inc R0
std y+13,R0
L314:
.dbline 612
ldd R24,y+13
cpi R24,33
brlo L311
.dbline 618
; detuse[k][j]= EEPROM_read(0x000c+j+k*4);
; }
; for(k=0;k<33;k++) //读取每个转换器下1－8＃探测器 联动选择情况字节段
clr R0
std y+13,R0
xjmp L322
L319:
.dbline 619
ldd R16,y+13
clr R17
subi R16,112 ; offset = 144
sbci R17,255
xcall _EEPROM_read
mov R2,R16
ldi R24,<_det_link
ldi R25,>_det_link
ldd R30,y+13
clr R31
add R30,R24
adc R31,R25
std z+0,R2
L320:
.dbline 618
ldd R0,y+13
inc R0
std y+13,R0
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