From 691991f7de8aef61cbede5e28eaa592ae9a9ea93 Mon Sep 17 00:00:00 2001 From: Crash_Override Date: Wed, 27 Mar 2024 04:46:22 +0100 Subject: [PATCH] Bare minimum frames to wake Easylink --- README.md | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 56 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 819a796..eaa946c 100644 --- a/README.md +++ b/README.md @@ -29,6 +29,8 @@ I then try to reverse engineer the frames sent to control the Easylink system. - Control ESP via GPIOs - Control ESP via Serial connection - Reverse engineer of anti-theft / VIN protection calculation +- Test microphone connection +- Test AUX Line-In connection - CAN msg Full MUTE of Easylink - CAN msg for speed signal (for rising and lowering volume) @@ -73,8 +75,61 @@ If you want to use USB devices, just grab a USB mini cable and try to plug it in A USB mini to OTG cable will work too, but you must test if the connector fits into the socket or modify it. +## Microphone connection + +Not tested yet. + +## Aux Line In connection + +Not tested yet. + # Pinouts +Easylink power/speaker connector: + +PIN 2 = Front Left + +PIN 3 = Front Left - +PIN 4 = Rear Left + +PIN 5 = Read Left - +PIN 11 = Front Right + +PIN 12 = Front Right - +PIN 13 = Rear Right + +PIN 14 = Rear Right - +PIN 19 = +12V permanent +PIN 20 = Ground + +Beware: Look at the numbers in the Easylink socket, my plug has wrong numbering ! + +Easylink accessory connector: + +PIN 20 = EXT-CAN High (120 Ohms termination required) +PIN 40 = EXT-CAN Low (120 Ohms termination required) +PIN 19 = M-CAN High (Transreceiver and termination on these pins) +PIN 39 = M-CAN Low (Transreceiver and termination on these pins) +PIN 18 = M-CAN High (Termination here) +PIN 38 = M-CAN Low (Termination here) + +PIN 1 = Mic 1 Signal +PIN 2 = Mic 2 Signal +PIN 21 = Mic Common Ground + +PIN 4 = Aux Detect (you can disable it within DDT) +PIN 7 = Aux Line In Right +PIN 8 = Aux Line In Left +PIN 27 = Aux Ground + +PIN 12 = Ground for reversing camera +PIN 13 = +6V for reversing camera (needs loaded with 300 Ohm to PIN 12, when using 12V camera) +PIN 32 = CVBS differential + for reversing camera +PIN 33 = CVBS differential - for reversing camera + +Touch display connector: + +PIN 15 = +12V permanent +PIN 17 = Ground +PIN 11 = M-CAN Low +PIN 23 = M-CAN High + ## Sourcing hardware ### Multimedia connector for power and speakers @@ -96,7 +151,7 @@ HSD Cable for Easylink to touch display video connection, use the cyan one which https://de.aliexpress.com/item/1005005476955786.html -Fakre to SMA antenna adapters for example, use the cyan ones which can plug into all sockets +Fakra to SMA antenna adapters for example, use the cyan ones which can plug into all sockets # Programming with pyren, DDT4all, CLIP or something