railroad's People
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nordominus frehberg venkatesh3060 kprzeb dorchain mah4913 jschiefer deltaphi johnchan20 udorat joao404 expire163 tobikiener mue473 calceushd eremitein fahrenheit212 profoxprorailroad's Issues
CAN2ETH
Hi GBert,
Is this project only support UDP? is it possible to do bidirection communication by TCP2CAN and CAN2TCP ?
Thank you verymuch!
When 8 bytes CAN Frame is sent, the output is not coming properly on CAN interface
In the current program implementation you are sending 4bytes can frame & incrementing the DATA..
Say,
can0 07B [4] 00 00 00 01
can0 07B [4] 00 00 00 02
can0 07B [4] 00 00 00 03
& so on..
When i changed the frame length to 8 bytes the output is coming as below
can0 07B [8] 00 00 00 01 01 00 00 00
can0 07B [8] 00 00 00 02 02 00 00 00
can0 07B [8] 00 00 00 03 03 00 00 00
I expect the output as below
can0 07B [8] 00 00 00 00 00 00 00 01
can0 07B [8] 00 00 00 00 00 00 00 02
can0 07B [8] 00 00 00 00 00 00 00 03
Please let me know what changes need to be done in the current program to get the desired output as mentioned above.
TCP-read may cause erroneous message
Hello,
The following line reads a bunch of bytes from TCP-connection.
if ((n = read(tcp_socket, netframe, MAXDG)) == 0) {
The following code does not verify, if the read bytes represent a complete/single message, but forwards directly to CAN-socket.
Using TCP, it may happen, that the read-function returns with too little or too many bytes (for example only a fragment of the intended message or also the first bytes of next message in stream)
(Does not happen with message oriented UDP)
In this use-case, if the short messages are sent with high frequency via TCP, it is very likely that the TCP-reader in can2lan might read over the boundary of a single message, forwarding faulty messages to the Can-bus.
To solve the issue, the TCP-reader must verify that the read bytes match exactly one message.
For example the TCP-reader could read till the 5th byte udpframe[4] , defining the payload length N (DLC), and then continue reading the corresponding N bytes of the payload.
Cu, Frank
accidentally created issue
build-files & howto missing
Hello,
I tried to build a fresh checkout, but the build failes immediatly. It seems some files of the build-framework (make) have not been committed yet.
The file $(TOPDIR)/rules.mk missing
The file $(INCLUDE_DIR)/package.mk missing, too.
For example, these file are referenced by ./can2udp/Makefile.
Please commit the missing files to the repo, and please add a short howto of the required environment variables.
Cu, Frank
S88 Rückmelder & Waveshare 2-CH CAN HAT in RailControl nutzen?
Guten Tag,
ist es möglich einen S88 Rückmelder an das Waveshare 17912 CAN Modul anzuschließen und mit Ihren bereitgestellten Programmen in RailControl zu nutzen?
Probleme mit Steuerung durch railcontrol und can2lan (RPi 1 Modell B, Waveshare 2-CH CAN HAT, Gleisbox)
Guten Tag,
ich habe die Anweisungen aus https://www.stummiforum.de/t148950f7-RE-Raspberry-Pi-CAN-Interface-zur-Gleisbox-Anbindung.html#msg2223890 befolgt.
Der can2lan service läuft und mit railcontrol kann ich auch korrekte CV-Werte von der Lok lesen.
Was jedoch nicht funktioniert ist die manuelle Steuerung der Lok über railcontrol.
Hier ist der Datenverkehr den ich mit can-monitor lese (Fahrstrom wird eingeschaltet und Fahrtregler wird erhöht, DCC-Adresse der Lok ist 3):
14:36:37.712 CAN 0x0030776C [0] Ping Anfrage
14:36:37.713 CAN 0x00319346 [8] 47 46 81 D4 01 29 00 10 Ping Antwort von Gleisbox UID 0x474681D4, Software Version 1.41
14:36:45.788 CAN 0x0000776C [5] 00 00 00 00 01 System: alle Go
14:36:45.788 CAN 0x00019346 [5] 00 00 00 00 01 System: alle Go
14:36:45.819 CAN 0x00030300 [6] 73 EB 1B FF 19 00 Lok Discovery - 0x73EB1BFF Range 25 ASK 0
14:36:45.927 CAN 0x00030300 [6] 73 EB 1B 7F 19 00 Lok Discovery - 0x73EB1B7F Range 25 ASK 0
14:36:46.048 CAN 0x00030300 [6] 73 EB 1B FF 19 00 Lok Discovery - 0x73EB1BFF Range 25 ASK 0
14:36:46.169 CAN 0x00030300 [6] 73 EB 1B 7F 19 00 Lok Discovery - 0x73EB1B7F Range 25 ASK 0
14:36:46.290 CAN 0x00030300 [6] 73 EB 1B FF 19 00 Lok Discovery - 0x73EB1BFF Range 25 ASK 0
14:36:46.363 CAN 0x00030300 [6] 73 EB 1B 7F 19 FF Lok Discovery - 0x73EB1B7F Range 25 ASK 255
14:36:46.437 CAN 0x00030300 [6] 73 EB 1B 7F 1A FF Lok Discovery - 0x73EB1B7F Range 26 ASK 255
14:36:46.506 CAN 0x00030300 [6] 73 EB 1B 7F 1B FF Lok Discovery - 0x73EB1B7F Range 27 ASK 255
14:36:46.584 CAN 0x00030300 [6] 73 EB 1B 7F 1C FF Lok Discovery - 0x73EB1B7F Range 28 ASK 255
14:36:46.662 CAN 0x00030300 [6] 73 EB 1B 7F 1D FF Lok Discovery - 0x73EB1B7F Range 29 ASK 255
14:36:46.803 CAN 0x00030300 [6] 73 EB 1B 7F 1E 00 Lok Discovery - 0x73EB1B7F Range 30 ASK 0
14:36:46.881 CAN 0x00030300 [6] 73 EB 1B 7B 1E FF Lok Discovery - 0x73EB1B7B Range 30 ASK 255
14:36:46.959 CAN 0x00030300 [6] 73 EB 1B 7B 1F FF Lok Discovery - 0x73EB1B7B Range 31 ASK 255
14:36:47.036 CAN 0x00030300 [6] 73 EB 1B 7B 20 FF Lok Discovery - 0x73EB1B7B Range 32 ASK 255
14:36:47.053 CAN 0x00030300 [5] 73 EB 1B 7B 20 Lok Discovery - 0x73EB1B7B Protokoll mfx Range 0 - 32
14:36:47.712 CAN 0x0030776C [0] Ping Anfrage
14:36:47.715 CAN 0x00319346 [8] 47 46 81 D4 01 29 00 10 Ping Antwort von Gleisbox UID 0x474681D4, Software Version 1.41
14:36:49.071 CAN 0x0008776C [6] 00 00 C0 03 03 FF Lok dcc-3 Geschwindigkeit: 102.3
14:36:49.073 CAN 0x00099346 [6] 00 00 C0 03 03 FF Lok dcc-3 Geschwindigkeit: 102.3
14:36:49.429 CAN 0x00030300 [6] 7F FF FF FF 03 FF Lok Discovery - 0x7FFFFFFF Range 3 ASK 255
14:36:49.507 CAN 0x00030300 [6] 7F FF FF FF 04 FF Lok Discovery - 0x7FFFFFFF Range 4 ASK 255
14:36:49.648 CAN 0x00030300 [6] 7F FF FF FF 05 00 Lok Discovery - 0x7FFFFFFF Range 5 ASK 0
14:36:49.726 CAN 0x00030300 [6] 77 FF FF FF 05 FF Lok Discovery - 0x77FFFFFF Range 5 ASK 255
14:36:49.867 CAN 0x00030300 [6] 77 FF FF FF 06 00 Lok Discovery - 0x77FFFFFF Range 6 ASK 0
14:36:49.945 CAN 0x00030300 [6] 73 FF FF FF 06 FF Lok Discovery - 0x73FFFFFF Range 6 ASK 255
14:36:50.023 CAN 0x00030300 [6] 73 FF FF FF 07 FF Lok Discovery - 0x73FFFFFF Range 7 ASK 255
14:36:50.101 CAN 0x00030300 [6] 73 FF FF FF 08 FF Lok Discovery - 0x73FFFFFF Range 8 ASK 255
14:36:50.179 CAN 0x00030300 [6] 73 FF FF FF 09 FF Lok Discovery - 0x73FFFFFF Range 9 ASK 255
14:36:50.256 CAN 0x00030300 [6] 73 FF FF FF 0A FF Lok Discovery - 0x73FFFFFF Range 10 ASK 255
14:36:50.334 CAN 0x00030300 [6] 73 FF FF FF 0B FF Lok Discovery - 0x73FFFFFF Range 11 ASK 255
14:36:50.475 CAN 0x00030300 [6] 73 FF FF FF 0C 00 Lok Discovery - 0x73FFFFFF Range 12 ASK 0
14:36:50.553 CAN 0x00030300 [6] 73 EF FF FF 0C FF Lok Discovery - 0x73EFFFFF Range 12 ASK 255
14:36:50.631 CAN 0x00030300 [6] 73 EF FF FF 0D FF Lok Discovery - 0x73EFFFFF Range 13 ASK 255
14:36:50.772 CAN 0x00030300 [6] 73 EF FF FF 0E 00 Lok Discovery - 0x73EFFFFF Range 14 ASK 0
14:36:50.850 CAN 0x00030300 [6] 73 EB FF FF 0E FF Lok Discovery - 0x73EBFFFF Range 14 ASK 255
14:36:50.927 CAN 0x00030300 [6] 73 EB FF FF 0F FF Lok Discovery - 0x73EBFFFF Range 15 ASK 255
14:36:51.005 CAN 0x00030300 [6] 73 EB FF FF 10 FF Lok Discovery - 0x73EBFFFF Range 16 ASK 255
14:36:51.146 CAN 0x00030300 [6] 73 EB FF FF 11 00 Lok Discovery - 0x73EBFFFF Range 17 ASK 0
14:36:51.224 CAN 0x00030300 [6] 73 EB 7F FF 11 FF Lok Discovery - 0x73EB7FFF Range 17 ASK 255
14:36:51.364 CAN 0x00030300 [6] 73 EB 7F FF 12 00 Lok Discovery - 0x73EB7FFF Range 18 ASK 0
14:36:51.442 CAN 0x00030300 [6] 73 EB 3F FF 12 FF Lok Discovery - 0x73EB3FFF Range 18 ASK 255
14:36:51.583 CAN 0x00030300 [6] 73 EB 3F FF 13 00 Lok Discovery - 0x73EB3FFF Range 19 ASK 0
14:36:51.660 CAN 0x00030300 [6] 73 EB 1F FF 13 FF Lok Discovery - 0x73EB1FFF Range 19 ASK 255
14:36:51.738 CAN 0x00030300 [6] 73 EB 1F FF 14 FF Lok Discovery - 0x73EB1FFF Range 20 ASK 255
14:36:51.816 CAN 0x00030300 [6] 73 EB 1F FF 15 FF Lok Discovery - 0x73EB1FFF Range 21 ASK 255
14:36:51.956 CAN 0x00030300 [6] 73 EB 1F FF 16 00 Lok Discovery - 0x73EB1FFF Range 22 ASK 0
14:36:52.034 CAN 0x00030300 [6] 73 EB 1B FF 16 FF Lok Discovery - 0x73EB1BFF Range 22 ASK 255
14:36:52.111 CAN 0x00030300 [6] 73 EB 1B FF 17 FF Lok Discovery - 0x73EB1BFF Range 23 ASK 255
14:36:52.189 CAN 0x00030300 [6] 73 EB 1B FF 18 FF Lok Discovery - 0x73EB1BFF Range 24 ASK 255
14:36:52.330 CAN 0x00030300 [6] 73 EB 1B FF 19 00 Lok Discovery - 0x73EB1BFF Range 25 ASK 0
14:36:52.408 CAN 0x00030300 [6] 73 EB 1B 7F 19 FF Lok Discovery - 0x73EB1B7F Range 25 ASK 255
14:36:52.485 CAN 0x00030300 [6] 73 EB 1B 7F 1A FF Lok Discovery - 0x73EB1B7F Range 26 ASK 255
14:36:52.562 CAN 0x00030300 [6] 73 EB 1B 7F 1B FF Lok Discovery - 0x73EB1B7F Range 27 ASK 255
14:36:52.640 CAN 0x00030300 [6] 73 EB 1B 7F 1C FF Lok Discovery - 0x73EB1B7F Range 28 ASK 255
14:36:52.718 CAN 0x00030300 [6] 73 EB 1B 7F 1D FF Lok Discovery - 0x73EB1B7F Range 29 ASK 255
14:36:52.858 CAN 0x00030300 [6] 73 EB 1B 7F 1E 00 Lok Discovery - 0x73EB1B7F Range 30 ASK 0
14:36:52.936 CAN 0x00030300 [6] 73 EB 1B 7B 1E FF Lok Discovery - 0x73EB1B7B Range 30 ASK 255
14:36:53.013 CAN 0x00030300 [6] 73 EB 1B 7B 1F FF Lok Discovery - 0x73EB1B7B Range 31 ASK 255
14:36:53.091 CAN 0x00030300 [6] 73 EB 1B 7B 20 FF Lok Discovery - 0x73EB1B7B Range 32 ASK 255
14:36:53.107 CAN 0x00030300 [5] 73 EB 1B 7B 20 Lok Discovery - 0x73EB1B7B Protokoll mfx Range 0 - 32
14:36:55.495 CAN 0x00030300 [6] 7F FF FF FF 03 FF Lok Discovery - 0x7FFFFFFF Range 3 ASK 255
14:36:55.572 CAN 0x00030300 [6] 7F FF FF FF 04 FF Lok Discovery - 0x7FFFFFFF Range 4 ASK 255
14:36:55.714 CAN 0x00030300 [6] 7F FF FF FF 05 00 Lok Discovery - 0x7FFFFFFF Range 5 ASK 0
14:36:55.792 CAN 0x00030300 [6] 77 FF FF FF 05 FF Lok Discovery - 0x77FFFFFF Range 5 ASK 255
Jedoch macht die Lok keine Bewegungen, wissen Sie woran das liegen könnte?
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