📄 ppppacket.s
字号:
.module PPPpacket.c
.area data(ram, con, rel)
_local_magic_num:
.blkb 2
.area idata
.byte 0,0
.area data(ram, con, rel)
.blkb 2
.area idata
.byte 0,0
.area data(ram, con, rel)
.dbfile G:\sppp/PPP.h
.dbsym s local_magic_num _local_magic_num A[4:4]c
_remote_magic_num:
.blkb 2
.area idata
.byte 0,0
.area data(ram, con, rel)
.dbfile G:\sppp/PPP.h
.blkb 2
.area idata
.byte 0,0
.area data(ram, con, rel)
.dbfile G:\sppp/PPP.h
.dbsym s remote_magic_num _remote_magic_num A[4:4]c
.area lit(rom, con, rel)
_fcstab:
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.word 32495
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.word 24061
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.word 41986
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.word 34576
.word 62383
.word 57894
.word 53437
.word 49460
.word 14787
.word 10314
.word 6865
.word 2904
.word 32743
.word 28270
.word 23797
.word 19836
.word 50700
.word 55173
.word 58654
.word 62615
.word 32808
.word 37281
.word 41786
.word 45747
.word 19012
.word 23501
.word 26966
.word 30943
.word 3168
.word 7657
.word 12146
.word 16123
.word 54925
.word 50948
.word 62879
.word 58390
.word 37033
.word 33056
.word 46011
.word 41522
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.word 18780
.word 15843
.word 11370
.word 7921
.word 3960
.dbsym s fcstab _fcstab A[512:256]ks
.area text(rom, con, rel)
.dbfile G:\sppp/PPP.h
.dbfile G:\sppp\PPPpacket.c
.dbfunc e LCPREQPacket _LCPREQPacket fV
; MRUp -> y+0
; MRU -> R20,R21
.even
_LCPREQPacket::
xcall push_gset1
movw R20,R16
sbiw R28,2
.dbline -1
.dbline 11
; #include "PPP.h"
; #include "UART.h"
; extern BYTE InBuffer [PPP_BUFFER_SIZE + 1]; //PPP数据输入缓冲
; extern BYTE OutBuffer[PPP_BUFFER_SIZE + 1]; //PPP数据输出缓冲
; /////////////////////////////////////////////////////////////
; /*
; LCP的协商最大传送单元
; */
; /////////////////////////////////////////////////////////////
; void LCPREQPacket (WORD MRU)
; {
.dbline 13
; BYTE MRUp[2];
; MRUp[0]=MRU>>8;
movw R2,R20
mov R2,R3
clr R3
std y+0,R2
.dbline 14
; MRUp[1]=MRU;
std y+1,R20
.dbline 15
; OutBuffer [0] = PPP_ADD; //地址域
ldi R24,255
sts _OutBuffer,R24
.dbline 16
; OutBuffer [1] = PPP_COMTROL; //控制域
ldi R24,3
sts _OutBuffer+1,R24
.dbline 17
; OutBuffer [2] = 0xC0; //协议域
ldi R24,192
sts _OutBuffer+2,R24
.dbline 18
; OutBuffer [3] = 0x21;
ldi R24,33
sts _OutBuffer+3,R24
.dbline 19
; OutBuffer [4] = LCP_CONFIG_REQUEST; //代码域
ldi R24,1
sts _OutBuffer+4,R24
.dbline 20
; OutBuffer [5] = 0x01; //标识域
sts _OutBuffer+5,R24
.dbline 21
; OutBuffer [6] = 0x00; //长度
clr R2
sts _OutBuffer+6,R2
.dbline 22
; OutBuffer [7] = 0x14;
ldi R24,20
sts _OutBuffer+7,R24
.dbline 23
; OutBuffer [8] = LCP_OPT_MRU; //类型
ldi R24,1
sts _OutBuffer+8,R24
.dbline 24
; OutBuffer [9] = 0x04; //长度
ldi R24,4
sts _OutBuffer+9,R24
.dbline 25
; OutBuffer [10] = MRUp[0]; //数据
ldd R2,y+0
sts _OutBuffer+10,R2
.dbline 26
; OutBuffer [11] = MRUp[1];
mov R2,R20
sts _OutBuffer+11,R2
.dbline 27
; OutBuffer [12] = LCP_OPT_ASYNC_MAP; //类型
ldi R24,2
sts _OutBuffer+12,R24
.dbline 28
; OutBuffer [13] = 0x06; //长度
ldi R24,6
sts _OutBuffer+13,R24
.dbline 29
; OutBuffer [14] = 0x00; //数据
clr R2
sts _OutBuffer+14,R2
.dbline 30
; OutBuffer [15] = 0x00;
sts _OutBuffer+15,R2
.dbline 31
; OutBuffer [16] = 0x00;
sts _OutBuffer+16,R2
.dbline 32
; OutBuffer [17] = 0x00;
sts _OutBuffer+17,R2
.dbline 33
; OutBuffer [18] = LCP_OPT_MAGIC; //类型
ldi R24,5
sts _OutBuffer+18,R24
.dbline 34
; OutBuffer [19] = 0x06; //长度
ldi R24,6
sts _OutBuffer+19,R24
.dbline 35
; OutBuffer [20] = local_magic_num[0]; //数据
lds R2,_local_magic_num
sts _OutBuffer+20,R2
.dbline 36
; OutBuffer [21] = local_magic_num[1];
lds R2,_local_magic_num+1
sts _OutBuffer+21,R2
.dbline 37
; OutBuffer [22] = local_magic_num[2];
lds R2,_local_magic_num+2
sts _OutBuffer+22,R2
.dbline 38
; OutBuffer [23] = local_magic_num[3];
lds R2,_local_magic_num+3
sts _OutBuffer+23,R2
.dbline 39
; ProcPPPSend ((BYTE *)OutBuffer, OutBuffer[7] + 6);
lds R18,_OutBuffer+7
subi R18,250 ; addi 6
ldi R16,<_OutBuffer
ldi R17,>_OutBuffer
xcall _ProcPPPSend
.dbline -2
.dbline 40
; }
L1:
adiw R28,2
xcall pop_gset1
.dbline 0 ; func end
ret
.dbsym l MRUp 0 A[2:2]c
.dbsym r MRU 20 i
.dbend
.dbfunc e MagicNumPacket _MagicNumPacket fV
.even
_MagicNumPacket::
.dbline -1
.dbline 47
; /////////////////////////////////////////////////////////////
; /*
; LCP的协商魔术字
; */
; /////////////////////////////////////////////////////////////
; void MagicNumPacket (void)
; {
.dbline 48
; OutBuffer [0] = PPP_ADD; //地址域
ldi R24,255
sts _OutBuffer,R24
.dbline 49
; OutBuffer [1] = PPP_COMTROL; //控制域
ldi R24,3
sts _OutBuffer+1,R24
.dbline 50
; OutBuffer [2] = 0xC0; //协议域
ldi R24,192
sts _OutBuffer+2,R24
.dbline 51
; OutBuffer [3] = 0x21;
ldi R24,33
sts _OutBuffer+3,R24
.dbline 52
; OutBuffer [4] = LCP_CONFIG_REQUEST; //代码域
ldi R24,1
sts _OutBuffer+4,R24
.dbline 53
; OutBuffer [5] = 0x01; //标识域
sts _OutBuffer+5,R24
.dbline 54
; OutBuffer [6] = 0x00; //长度
clr R2
sts _OutBuffer+6,R2
.dbline 55
; OutBuffer [7] = 0x0A;
ldi R24,10
sts _OutBuffer+7,R24
.dbline 56
; OutBuffer [8] = LCP_OPT_MAGIC; //类型
ldi R24,5
sts _OutBuffer+8,R24
.dbline 57
; OutBuffer [9] = 0x06; //长度
ldi R24,6
sts _OutBuffer+9,R24
.dbline 58
; OutBuffer [10] = local_magic_num[0]; //数据
lds R2,_local_magic_num
sts _OutBuffer+10,R2
.dbline 59
; OutBuffer [11] = local_magic_num[1];
lds R2,_local_magic_num+1
sts _OutBuffer+11,R2
.dbline 60
; OutBuffer [12] = local_magic_num[2];
lds R2,_local_magic_num+2
sts _OutBuffer+12,R2
.dbline 61
; OutBuffer [13] = local_magic_num[3];
lds R2,_local_magic_num+3
sts _OutBuffer+13,R2
.dbline 62
; ProcPPPSend ((BYTE *)OutBuffer, OutBuffer[7] + 6);
lds R18,_OutBuffer+7
subi R18,250 ; addi 6
ldi R16,<_OutBuffer
ldi R17,>_OutBuffer
.dbline -2
.dbline 63
; }
L31:
.dbline 0 ; func end
xjmp _ProcPPPSend
.dbend
.dbfunc e RejectProtocol _RejectProtocol fV
; InBuffer -> R20,R21
.even
_RejectProtocol::
xcall push_gset1
movw R20,R16
sbiw R28,2
.dbline -1
.dbline 70
; /////////////////////////////////////////////////////////////
; /*
; LCP的协议拒绝
; */
; /////////////////////////////////////////////////////////////
; void RejectProtocol (BYTE *InBuffer)
; {
.dbline 71
; OutBuffer [0] = PPP_ADD; //地址域
ldi R24,255
sts _OutBuffer,R24
.dbline 72
; OutBuffer [1] = PPP_COMTROL; //控制域
ldi R24,3
sts _OutBuffer+1,R24
.dbline 73
; OutBuffer [2] = 0xC0;
ldi R24,192
sts _OutBuffer+2,R24
.dbline 74
; OutBuffer [3] = 0x21;
ldi R24,33
sts _OutBuffer+3,R24
.dbline 75
; OutBuffer [4] = LCP_PROTOCOL_REJECT; //代码域
ldi R24,8
sts _OutBuffer+4,R24
.dbline 76
; OutBuffer [5] = 20; //标识域
ldi R24,20
sts _OutBuffer+5,R24
.dbline 77
; OutBuffer [6] = 0; //长度
clr R2
sts _OutBuffer+6,R2
.dbline 78
; OutBuffer [7] = InBuffer[7] + 6;
movw R30,R20
ldd R24,z+7
subi R24,250 ; addi 6
sts _OutBuffer+7,R24
.dbline 79
; Move (&InBuffer[2], &OutBuffer[8], InBuffer [7] + 2);
ldd R24,z+7
clr R25
adiw R24,2
std y+1,R25
std y+0,R24
ldi R18,<_OutBuffer+8
ldi R19,>_OutBuffer+8
movw R16,R30
subi R16,254 ; offset = 2
sbci R17,255
xcall _Move
.dbline 80
; ProcPPPSend ((BYTE *)OutBuffer, OutBuffer[7] + 6);
lds R18,_OutBuffer+7
subi R18,250 ; addi 6
ldi R16,<_OutBuffer
ldi R17,>_OutBuffer
xcall _ProcPPPSend
.dbline -2
.dbline 81
; }
L49:
adiw R28,2
xcall pop_gset1
.dbline 0 ; func end
ret
.dbsym r InBuffer 20 pc
.dbend
.dbfunc e IPAssignPacket _IPAssignPacket fV
.even
_IPAssignPacket::
.dbline -1
.dbline 88
; /////////////////////////////////////////////////////////////
; /*
; IPCP的IP地址分配请求
; */
; /////////////////////////////////////////////////////////////
; void IPAssignPacket (void)
; {
.dbline 89
; OutBuffer [0] = PPP_ADD; //地址域
ldi R24,255
sts _OutBuffer,R24
.dbline 90
; OutBuffer [1] = PPP_COMTROL; //控制域
ldi R24,3
sts _OutBuffer+1,R24
.dbline 91
; OutBuffer [2] = 0x80; //协议域
ldi R24,128
sts _OutBuffer+2,R24
.dbline 92
; OutBuffer [3] = 0x21;
ldi R24,33
sts _OutBuffer+3,R24
.dbline 93
; OutBuffer [4] = IPCP_CONFIG_REQUEST; //代码域
ldi R24,1
sts _OutBuffer+4,R24
.dbline 94
; OutBuffer [5] = 0x01; //标识域
sts _OutBuffer+5,R24
.dbline 95
; OutBuffer [6] = 0x00;
clr R2
sts _OutBuffer+6,R2
.dbline 96
; OutBuffer [7] = 0x0A; //长度
ldi R24,10
sts _OutBuffer+7,R24
.dbline 97
; OutBuffer [8] = 0x03; //类型
ldi R24,3
sts _OutBuffer+8,R24
.dbline 98
; OutBuffer [9] = 0x06; //长度
ldi R24,6
sts _OutBuffer+9,R24
.dbline 99
; OutBuffer [10] = 0x00; //数据
sts _OutBuffer+10,R2
.dbline 100
; OutBuffer [11] = 0x00;
sts _OutBuffer+11,R2
.dbline 101
; OutBuffer [12] = 0x00;
sts _OutBuffer+12,R2
.dbline 102
; OutBuffer [13] = 0x00;
sts _OutBuffer+13,R2
.dbline 103
; ProcPPPSend ((BYTE *)OutBuffer, OutBuffer[7] + 6);
lds R18,_OutBuffer+7
subi R18,250 ; addi 6
ldi R16,<_OutBuffer
ldi R17,>_OutBuffer
.dbline -2
.dbline 104
; }
L59:
.dbline 0 ; func end
xjmp _ProcPPPSend
.dbend
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