Subversion Repositories usbhostslave

VERSION=1.15
HEADER
FILE="processTxByte.asf"
FID=4094ffa4
LANGUAGE=VERILOG
ENTITY="processTxByte"
FRAMES=ON
FREEOID=1000
"LIBRARIES=//////////////////////////////////////////////////////////////////////\n////                                                              ////\n//// processTxByte\n////                                                              ////\n//// This file is part of the usbhostslave opencores effort.\n//// http://www.opencores.org/cores/usbhostslave/                 ////\n////                                                              ////\n//// Module Description:                                          ////\n//// \n////                                                              ////\n//// To Do:                                                       ////\n//// \n////                                                              ////\n//// Author(s):                                                   ////\n//// - Steve Fielding, sfielding@base2designs.com                 ////\n////                                                              ////\n//////////////////////////////////////////////////////////////////////\n////                                                              ////\n//// Copyright (C) 2004 Steve Fielding and OPENCORES.ORG          ////\n////                                                              ////\n//// This source file may be used and distributed without         ////\n//// restriction provided that this copyright statement is not    ////\n//// removed from the file and that any derivative work contains  ////\n//// the original copyright notice and the associated disclaimer. ////\n////                                                              ////\n//// This source file is free software; you can redistribute it   ////\n//// and/or modify it under the terms of the GNU Lesser General   ////\n//// Public License as published by the Free Software Foundation; ////\n//// either version 2.1 of the License, or (at your option) any   ////\n//// later version.                                               ////\n////                                                              ////\n//// This source is distributed in the hope that it will be       ////\n//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////\n//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////\n//// PURPOSE. See the GNU Lesser General Public License for more  ////\n//// details.                                                     ////\n////                                                              ////\n//// You should have received a copy of the GNU Lesser General    ////\n//// Public License along with this source; if not, download it   ////\n//// from http://www.opencores.org/lgpl.shtml                     ////\n////                                                              ////\n//////////////////////////////////////////////////////////////////////\n//\n// $Id: processTxByte.asf,v 1.2 2004-12-18 14:36:15 sfielding Exp $\n//\n// CVS Revision History\n//\n// $Log: not supported by cvs2svn $\n//\n`timescale 1ns / 1ps\n`include \"usbSerialInterfaceEngine_h.v\"\n`include \"usbConstants_h.v\"\n"
END
BUNDLES
B T "Declarations" 0,0,255 0 0 1 255,255,255 0 3333 0 0000 1  "Arial" 0
B T "Conditions" 0,0,0 0 0 0 255,255,255 0 3333 0 0110 1  "Arial" 0
B F "States" 0,0,0 0 0 1 0,255,0 1 3527 1480 0000 0  "Arial" 0
B T "Actions" 0,0,0 0 0 1 255,255,255 0 3333 0 0000 1  "Arial" 0
B T "Labels" 0,0,0 0 0 0 0,0,0 0 3333 0 0000 1  "Arial" 0
B L "Transitions" 0,0,0 0 0 1 0,0,0 1 3527 1480 0000 0  "Arial" 0
B F "Ports" 0,0,0 0 0 1 0,255,255 1 3527 1480 0000 0  "Arial" 0
B L "Errors" 255,0,0 0 3 1 255,255,255 1 3527 1480 0000 0  "Arial" 0
B T "State Labels" 0,0,0 0 0 0 0,0,0 0 3333 0 0000 1  "Arial" 4
B F "Current State" 255,255,0 0 0 1 255,255,0 1 3527 1480 0000 0  "Arial" 0
B T "Comments" 157,157,157 0 0 1 255,255,255 0 3333 0 0000 0  "Arial" 0
B L "Info" 0,255,0 0 3 1 255,255,255 1 3527 1480 0000 0  "Arial" 0
B F "Junction" 0,0,0 0 0 1 255,0,0 1 3527 1480 0000 0  "Arial" 0
B F "Initial State Indicator" 0,0,0 0 0 1 240,140,40 1 3527 1480 0000 0  "Arial" 0
END
INSTHEADER 1
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GRID=OFF
GRIDSIZE 5000,5000 10000,10000
END
INSTHEADER 874
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GRIDSIZE 0,0 10000,10000
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INSTHEADER 887
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INSTHEADER 994
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END
OBJECTS
L 7 6 0 TEXT "Labels" | 57079,207538 1 0 0 "prcTxB"
F 6 0 671089152 185 0 RECT 0,0,0 0 0 1 255,255,255 0 | 14988,15700 199488,210298
G 1 0 0 TEXT 0,0,0 0 0 0 255,255,255 0 3527 1480 0000 0  "Arial" 0 | 93869,266185 1 0 0 "Module: processTxByte"
L 8 9 0 TEXT "State Labels" | 41526,197822 1 0 0 "START_PTBY\n/0/"
S 9 6 0 ELLIPSE "States" | 41526,197822 6500 6500
I 12 6 0 Builtin Reset | 22016,204762
W 13 6 0 12 9 BEZIER "Transitions" | 22016,204762 26512,204498 31110,200468 35074,198608
I 816 0 2 Builtin InPort | 20959,264028 "" ""
L 817 818 0 TEXT "Labels" | 24852,259388 1 0 0 "processTxByteRdy"
I 818 0 2 Builtin OutPort | 18852,259388 "" ""
L 819 820 0 TEXT "Labels" | 26959,254515 1 0 0 "TxByteIn[7:0]"
I 820 0 130 Builtin InPort | 20959,254515 "" ""
L 821 822 0 TEXT "Labels" | 26959,250108 1 0 0 "TxByteCtrlIn[7:0]"
I 822 0 130 Builtin InPort | 20959,250108 "" ""
L 823 824 0 TEXT "Labels" | 21604,240596 1 0 0 "USBWireData[1:0]"
I 824 0 130 Builtin OutPort | 15604,240596 "" ""
L 825 826 0 TEXT "Labels" | 21140,235724 1 0 0 "USBWireCtrl"
I 826 0 2 Builtin OutPort | 15372,236188 "" ""
L 827 828 0 TEXT "Labels" | 23692,231780 1 0 0 "USBWireGnt"
I 828 0 2 Builtin InPort | 17692,231780 "" ""
L 829 830 0 TEXT "Labels" | 21372,227372 1 0 0 "USBWireReq"
I 830 0 2 Builtin OutPort | 15372,227372 "" ""
L 831 832 0 TEXT "Labels" | 21372,222732 1 0 0 "USBWireWEn"
I 832 0 2 Builtin OutPort | 15372,222732 "" ""
L 833 834 0 TEXT "Labels" | 23692,218324 1 0 0 "USBWireRdy"
I 834 0 2 Builtin InPort | 17692,218324 "" ""
L 843 844 0 TEXT "Labels" | 72660,223196 1 0 0 "i[3:0]"
I 844 0 130 Builtin Signal | 69660,223196 "" ""
L 845 846 0 TEXT "Labels" | 131108,216932 1 0 0 "KBit[1:0]"
I 846 0 130 Builtin InPort | 125108,216932 "" ""
I 847 0 130 Builtin InPort | 125241,221252 "" ""
L 848 847 0 TEXT "Labels" | 131241,221252 1 0 0 "JBit[1:0]"
S 874 6 8196 ELLIPSE 0,0,0 0 0 1 0,255,255 1 | 48483,85161 6500 6500
L 873 874 0 TEXT "State Labels" | 48483,85161 1 0 0 "SEND_BYTE"
A 872 865 4 TEXT "Actions" | 55007,174633 1 0 0 "processTxByteRdy <= 1'b1;"
A 871 869 16 TEXT "Actions" | 40695,156023 1 0 0 "processTxByteRdy <= 1'b0;\nTxByte <= TxByteIn;\nTxByteCtrl <= TxByteCtrlIn;"
C 870 869 0 TEXT "Conditions" | 44743,165433 1 0 0 "processTxByteWEn == 1'b1"
W 869 6 0 865 994 BEZIER "Transitions" | 43506,166514 43972,160806 44382,144193 44848,138485
W 866 6 0 9 865 BEZIER "Transitions" | 41794,191349 41968,188029 42333,182785 42507,179465
S 865 6 4096 ELLIPSE "States" | 43124,173002 6500 6500
L 864 865 0 TEXT "State Labels" | 43124,173002 1 0 0 "PTBY_WAIT_EN\n/1/"
L 888 887 0 TEXT "State Labels" | 49971,45111 1 0 0 "STOP"
S 887 6 12292 ELLIPSE 0,0,0 0 0 1 0,255,255 1 | 49971,45111 6500 6500
H 895 887 0 RECT 0,0,0 0 0 1 255,255,255 0 | 15700,15700 200200,263700
W 885 880 0 883 901 BEZIER "Transitions" | 42416,248040 47778,233267 52771,218493 58133,203720
I 884 880 0 Builtin Exit | 178131,23271
I 883 880 0 Builtin Entry | 38120,248040
H 880 874 0 RECT 0,0,0 0 0 1 255,255,255 0 | 15700,15700 200200,263700
C 911 909 0 TEXT "Conditions" | 63744,160236 1 0 0 "USBWireRdy == 1'b1"
W 909 880 0 904 906 BEZIER "Transitions" | 62562,160798 63190,153505 63227,143345 63855,136052
W 908 880 0 901 904 BEZIER "Transitions" | 61196,191380 61824,178554 61181,186583 61809,173757
S 906 880 24576 ELLIPSE "States" | 64960,129650 6500 6500
L 905 906 0 TEXT "State Labels" | 64960,129650 1 0 0 "CHK\n/4/"
S 904 880 20480 ELLIPSE "States" | 62200,167285 6500 6500
L 903 904 0 TEXT "State Labels" | 62200,167285 1 0 0 "WAIT_RDY\n/3/"
A 902 901 4 TEXT "Actions" | 87131,216544 1 0 0 "i <= i + 1'b1;\nTxByte <= {1'b0, TxByte[7:1] };\nif (TxByte[0] == 1'b1)                      //If this bit is 1, then\n  TXOneCount <= TXOneCount + 1'b1;          //increment 'TXOneCount'\nelse                                        //else this is a zero bit\nbegin\n  TXOneCount <= 4'h1;                            //reset 'TXOneCount'\n  if (TXLineState == JBit) \n    TXLineState <= KBit; //toggle the line state\n  else \n    TXLineState <= JBit;\nend"
S 901 880 16384 ELLIPSE "States" | 60963,197870 6500 6500
L 900 901 0 TEXT "State Labels" | 60963,197870 1 0 0 "UPDATE_BYTE\n/2/"
W 898 6 0 887 865 BEZIER "Transitions" | 43587,46330 39277,46796 30872,48264 28251,49254\
                                         25630,50244 23766,53274 22950,67894 22135,82515\
                                         20737,137969 21261,153813 21785,169657 25281,177579\
                                         27028,179792 28775,182006 32271,182938 33727,182355\
                                         35183,181773 37321,179186 38486,177555
W 897 6 0 874 887 BEZIER "Transitions" | 48237,78679 48703,71573 48867,58679 49333,51573
W 896 6 8194 994 874 BEZIER "Transitions" | 45464,131529 46046,122326 47391,100834 47973,91631
W 927 880 0 915 917 BEZIER "Transitions" | 67528,97031 67912,94983 68323,91700 68707,89652
L 926 923 0 TEXT "State Labels" | 72651,39838 1 0 0 "CHK_FIN\n/7/"
C 925 921 0 TEXT "Conditions" | 71683,75885 1 0 0 "USBWireRdy == 1'b1"
A 924 923 4 TEXT "Actions" | 91246,42553 1 0 0 "USBWireWEn <= 1'b0;"
S 923 880 36864 ELLIPSE "States" | 72651,39838 6500 6500
A 922 921 16 TEXT "Actions" | 67128,66767 1 0 0 "USBWireWEn <= 1'b1;\nUSBWireData <= TXLineState;\nUSBWireCtrl <= `DRIVE;"
W 921 880 0 917 923 BEZIER "Transitions" | 70442,76789 71070,69496 71344,53592 71972,46299
A 920 915 4 TEXT "Actions" | 82970,116161 1 0 0 "TXOneCount <= 4'h1;                                //reset 'TXOneCount'\nif (TXLineState == JBit) \n  TXLineState <= KBit;   //toggle the line state\nelse \n  TXLineState <= JBit;"
C 919 918 0 TEXT "Conditions" | 67653,122954 1 0 0 "TXOneCount == 4'h6"
W 918 880 8193 906 915 BEZIER "Transitions" | 65281,123173 65470,118240 66017,114889 66206,109956
S 917 880 32768 ELLIPSE "States" | 69840,83253 6500 6500
L 916 917 0 TEXT "State Labels" | 69840,83253 1 0 0 "WAIT_RDY2\n/6/"
S 915 880 28672 ELLIPSE "States" | 67031,103511 6500 6500
L 914 915 0 TEXT "State Labels" | 67031,103511 1 0 0 "BIT_STUFF\n/5/"
A 913 906 4 TEXT "Actions" | 83555,132365 1 0 0 "USBWireWEn <= 1'b0;"
A 912 909 16 TEXT "Actions" | 49573,154836 1 0 0 "USBWireWEn <= 1'b1;\nUSBWireData <= TXLineState;\nUSBWireCtrl <= `DRIVE;"
L 943 942 0 TEXT "State Labels" | 74939,175324 1 0 0 "SND_SE0_2\n/9/"
S 942 895 45056 ELLIPSE "States" | 74939,175324 6500 6500
C 941 940 0 TEXT "Conditions" | 111729,100310 1 0 0 "USBWireGnt == 1'b1"
W 940 6 0 936 874 BEZIER "Transitions" | 142661,111545 128565,105371 68178,94636 54082,88462
A 939 937 16 TEXT "Actions" | 80687,127638 1 0 0 "TXOneCount <= 1;       \nTXLineState <= JBit;\nUSBWireReq <= 1'b1;"
C 938 937 0 TEXT "Conditions" | 56024,136519 1 0 0 "TxByteCtrlIn == `DATA_START"
W 937 6 8193 994 936 BEZIER "Transitions" | 48651,134144 59369,131814 131883,116838 142601,114508
S 936 6 40960 ELLIPSE "States" | 148958,113156 6500 6500
L 935 936 0 TEXT "State Labels" | 148958,113156 1 0 0 "PTBY_WAIT_GNT\n/8/"
W 930 880 8194 923 901 BEZIER "Transitions" | 66152,39809 60904,40065 50250,40296 45386,41576\
                                              40522,42856 31562,47464 29098,65320 26634,83176\
                                              25738,149992 26858,168968 27978,187944 33354,197032\
                                              36938,198888 40522,200744 49226,198568 51498,198152\
                                              53770,197736 54409,198230 54473,198230
C 929 928 0 TEXT "Conditions" | 90570,32872 1 0 0 "i == 4'h8"
W 928 880 8193 923 884 BEZIER "Transitions" | 77516,35528 81612,32648 88778,27048 101066,25480\
                                              113354,23912 154429,23527 174909,23271
A 959 958 16 TEXT "Actions" | 72304,159240 1 0 0 "USBWireWEn <= 1'b1;\nUSBWireData <= `SE0;\nUSBWireCtrl <= `DRIVE;"
W 958 895 0 942 956 BEZIER "Transitions" | 75377,168841 76005,161548 76957,146611 77585,139318
L 957 956 0 TEXT "State Labels" | 78157,132848 1 0 0 "SND_J\n/12/"
S 956 895 57344 ELLIPSE "States" | 78157,132848 6500 6500
C 954 952 0 TEXT "Conditions" | 70699,244255 1 0 0 "TxByteCtrl == `DATA_STOP"
W 952 895 8193 951 948 BEZIER "Transitions" | 67478,244015 68286,238818 70288,230349 71096,225152
S 951 895 53248 ELLIPSE "States" | 66294,250403 6500 6500
L 950 951 0 TEXT "State Labels" | 66294,250403 1 0 0 "CHK\n/11/"
L 949 948 0 TEXT "State Labels" | 72128,218739 1 0 0 "SND_SE0_1\n/10/"
S 948 895 49152 ELLIPSE "States" | 72128,218739 6500 6500
A 947 944 16 TEXT "Actions" | 69416,202253 1 0 0 "USBWireWEn <= 1'b1;\nUSBWireData <= `SE0;\nUSBWireCtrl <= `DRIVE;"
A 946 942 4 TEXT "Actions" | 93534,178039 1 0 0 "USBWireWEn <= 1'b0;"
C 945 944 0 TEXT "Conditions" | 73971,211371 1 0 0 "USBWireRdy == 1'b1"
W 944 895 0 948 942 BEZIER "Transitions" | 72730,212275 73358,204982 73632,189078 74260,181785
W 975 895 0 968 974 BEZIER "Transitions" | 85932,37938 86628,34922 87928,30000 89030,28086\
                                           90132,26172 93257,24084 94765,23272
I 974 895 0 Builtin Exit | 97904,23272
C 973 970 0 TEXT "Conditions" | 81643,77033 1 0 0 "USBWireRdy == 1'b1"
A 972 968 4 TEXT "Actions" | 102564,46846 1 0 0 "USBWireWEn <= 1'b0;\nUSBWireReq <= 1'b0; //release the wire"
A 971 970 16 TEXT "Actions" | 77621,69378 1 0 0 "USBWireWEn <= 1'b1;\nUSBWireData <= JBit;\nUSBWireCtrl <= `TRI_STATE;"
W 970 895 0 962 968 BEZIER "Transitions" | 81334,77407 81962,70114 82544,57872 83172,50579
L 969 968 0 TEXT "State Labels" | 83969,44131 1 0 0 "FIN\n/14/"
S 968 895 65536 ELLIPSE "States" | 83969,44131 6500 6500
C 967 964 0 TEXT "Conditions" | 79852,125749 1 0 0 "USBWireRdy == 1'b1"
A 966 962 4 TEXT "Actions" | 99640,86596 1 0 0 "USBWireWEn <= 1'b0;"
A 965 964 16 TEXT "Actions" | 75410,113723 1 0 0 "USBWireWEn <= 1'b1;\nUSBWireData <= JBit;\nUSBWireCtrl <= `DRIVE;"
W 964 895 0 956 962 BEZIER "Transitions" | 78681,126377 79309,119084 79833,97641 80461,90348
L 963 962 0 TEXT "State Labels" | 81045,83881 1 0 0 "SND_IDLE\n/13/"
S 962 895 61440 ELLIPSE "States" | 81045,83881 6500 6500
C 961 958 0 TEXT "Conditions" | 76516,167828 1 0 0 "USBWireRdy == 1'b1"
A 960 956 4 TEXT "Actions" | 96752,135563 1 0 0 "USBWireWEn <= 1'b0;"
I 987 0 130 Builtin Signal | 69201,241421 "" ""
L 986 987 0 TEXT "Labels" | 72201,241421 1 0 0 "TXOneCount[3:0]"
I 985 0 130 Builtin Signal | 69201,236994 "" ""
L 984 985 0 TEXT "Labels" | 72201,236994 1 0 0 "TXLineState[1:0]"
I 983 0 130 Builtin Signal | 69201,232334 "" ""
L 982 983 0 TEXT "Labels" | 72201,232334 1 0 0 "TxByteCtrl[7:0]"
I 981 0 130 Builtin Signal | 69434,227674 "" ""
L 980 981 0 TEXT "Labels" | 72434,227674 1 0 0 "TxByte[7:0]"
A 979 9 4 TEXT "Actions" | 108416,207754 1 0 0 "processTxByteRdy <= 1'b0;\nUSBWireData <= 2'b00;\nUSBWireCtrl <= `TRI_STATE;\nUSBWireReq <= 1'b0;\nUSBWireWEn <= 1'b0;\ni <= 4'h0;\nTxByte <= 8'h00;\nTxByteCtrl <= 8'h00;\nTXLineState <= 2'b0;\nTXOneCount <= 4'h0;"
W 978 895 0 977 951 BEZIER "Transitions" | 38683,259216 44135,257418 54598,254006 60050,252208
I 977 895 0 Builtin Entry | 34452,259216
W 976 895 8194 951 974 BEZIER "Transitions" | 61300,246245 53760,240097 39092,228012 35032,223372\
                                              30972,218732 29812,212468 29638,189094 29464,165720\
                                              29928,78488 31900,55230 33872,31972 41296,26172\
                                              49358,24664 57420,23156 82353,23388 94765,23272
W 989 880 8194 906 901 BEZIER "Transitions" | 58978,127109 55150,125485 47040,121872 44082,121756\
                                              41124,121640 36948,124424 36020,132602 35092,140780\
                                              35556,170708 38166,179350 40776,187992 50140,192687\
                                              55128,195007
C 990 989 0 TEXT "Conditions" | 32613,121194 1 0 0 "i != 4'h8"
W 991 880 8195 906 884 BEZIER "Transitions" | 69617,134183 72517,135343 77069,138112 90815,138750\
                                              104561,139388 153745,139620 168013,138576 182281,137532\
                                              190169,133124 192141,121582 194113,110040 194113,68280\
                                              192025,55114 189937,41948 185529,28723 181353,23271
C 188 13 0 TEXT "Conditions" | 25531,201445 1 0 0 "rst"
I 187 0 2 Builtin InPort | 186243,259666 "" ""
L 186 187 0 TEXT "Labels" | 192243,259666 1 0 0 "rst"
I 185 0 3 Builtin InPort | 186136,264720 "" ""
L 184 185 0 TEXT "Labels" | 192136,264720 1 0 0 "clk"
L 993 994 0 TEXT "State Labels" | 45260,135010 1 0 0 "J1"
S 994 6 69652 ELLIPSE "Junction" | 45260,135010 3500 3500
H 995 994 0 RECT 0,0,0 0 0 1 255,255,255 0 | 15700,15700 200200,263700
I 996 995 0 Builtin Entry | 86360,167640
I 997 995 0 Builtin Exit | 129540,111760
W 998 995 0 996 997 BEZIER "Transitions" | 90591,167640 102761,150317 114231,129084 126401,111760
A 999 885 16 TEXT "Actions" | 43433,228332 1 0 0 "i <= 4'h0;"
L 815 816 0 TEXT "Labels" | 26959,264028 1 0 0 "processTxByteWEn"
END