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docs: update Canbus_Support2
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title: CanBus Support2
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description:
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published: true
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date: 2020-12-16T21:35:56.303Z
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date: 2020-12-16T22:26:41.931Z
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tags:
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editor: markdown
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dateCreated: 2020-12-15T21:58:51.731Z
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@ -49,7 +49,7 @@ The STM32 uses pins xxx for connection to the can transceiver.
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### OBD Port Interface Support Options
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The OBD2 port Inteface offers support for ,
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The OBD2 port Interface offers support for ,
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1. To output the current realtime data ([see supported PID list](CanBus_Support2#PID_supported"wikilink")) .
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@ -57,7 +57,8 @@ The OBD2 port Inteface offers support for ,
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3. Activate External Outputs(coming soon!)
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### Modes Supported
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There are 10 diagnostic services described in the latest OBD-II standard SAE J1979. Before 2002, J1979 referred to these services as "modes". Speeduino supports only a selected number of these modes. These are:
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There are 10 diagnostic services described in the latest OBD-II standard SAE J1979. Before 2002, J1979 referred to these services as "modes".
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Speeduino supports only a selected number of these modes. These are:
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Mode (hex) Description
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- 01 Show current data
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@ -97,25 +98,7 @@ So, supported PIDs are: 01, 03, 04, 05, 06, 07, 0C, 0D, 0E, 0F, 10, 11, 13, 15,
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Speeduino responds to the Mode 22 request for the following PID:
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PID(hex) PID(Dec) Data bytes returned Description Min value Max value Units Formula[a]
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7701 0 2 AuxIn1 Data
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7702 0 2 AuxIn2 Data
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7703 0 2 AuxIn3 Data
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7704 0 2 AuxIn4 Data
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7705 0 2 AuxIn5 Data
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7706 0 2 AuxIn6 Data
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7707 0 2 AuxIn7 Data
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7708 0 2 AuxIn8 Data
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7709 0 2 AuxIn9 Data
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770A 0 2 AuxIn10 Data
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770B 0 2 AuxIn11 Data
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770C 0 2 AuxIn12 Data
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770D 0 2 AuxIn13 Data
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770E 0 2 AuxIn14 Data
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770F 0 2 AuxIn15 Data
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7710 0 2 AuxIn16 Data
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![mode22_pid_supported.png](/mode22_pid_supported.png)
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### CAN (11-bit) bus format
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