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docs: update Canbus_Support2

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dazq 2020-12-16 22:26:48 +00:00 committed by Josh Stewart
parent c5120f0a0f
commit d031045f5c
1 changed files with 5 additions and 22 deletions
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Canbus_Support2.md
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@ -2,7 +2,7 @@
title: CanBus Support2
description:
published: true
date: 2020-12-16T21:35:56.303Z
date: 2020-12-16T22:26:41.931Z
tags:
editor: markdown
dateCreated: 2020-12-15T21:58:51.731Z
@ -49,7 +49,7 @@ The STM32 uses pins xxx for connection to the can transceiver.
### OBD Port Interface Support Options
The OBD2 port Inteface offers support for ,
The OBD2 port Interface offers support for ,
1. To output the current realtime data ([see supported PID list](CanBus_Support2#PID_supported"wikilink")) .
@ -57,7 +57,8 @@ The OBD2 port Inteface offers support for ,
3. Activate External Outputs(coming soon!)
### Modes Supported
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:
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:
Mode (hex) Description
- 01 Show current data
@ -97,25 +98,7 @@ So, supported PIDs are: 01, 03, 04, 05, 06, 07, 0C, 0D, 0E, 0F, 10, 11, 13, 15,
Speeduino responds to the Mode 22 request for the following PID:
PID(hex) PID(Dec) Data bytes returned Description Min value Max value Units Formula[a]
7701 0 2 AuxIn1 Data
7702 0 2 AuxIn2 Data
7703 0 2 AuxIn3 Data
7704 0 2 AuxIn4 Data
7705 0 2 AuxIn5 Data
7706 0 2 AuxIn6 Data
7707 0 2 AuxIn7 Data
7708 0 2 AuxIn8 Data
7709 0 2 AuxIn9 Data
770A 0 2 AuxIn10 Data
770B 0 2 AuxIn11 Data
770C 0 2 AuxIn12 Data
770D 0 2 AuxIn13 Data
770E 0 2 AuxIn14 Data
770F 0 2 AuxIn15 Data
7710 0 2 AuxIn16 Data
![mode22_pid_supported.png](/mode22_pid_supported.png)
### CAN (11-bit) bus format