From b7ce031bd636473baa4ea39c7de452a68e140ea2 Mon Sep 17 00:00:00 2001 From: Michael Cardell Widerkrantz Date: Wed, 12 Feb 2025 14:03:28 +0100 Subject: [PATCH] doc: Revise release notes - Make it even clearer that legacy device apps WILL NOT WORK. - Add helpful links to the CH55x Reset Controller, both where to buy one and source repo. --- doc/release_notes.md | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/doc/release_notes.md b/doc/release_notes.md index afc2c0c..f8100f2 100644 --- a/doc/release_notes.md +++ b/doc/release_notes.md @@ -7,10 +7,12 @@ Descriptions of the tagged TKey releases. Overview of changes since TK TK1-24.03 for the Castor milestone so far. -**Note well**: BREAKING CHANGE! The introduction of the USB Controller -Protocol betwen the programs running on the PicoRV32 CPU and the CH552 -means that device apps that have not been changed to use the protocol -will not have any way to communicate with the outside world. +**Note well**: BREAKING CHANGE! Older device apps WILL NOT WORK. + +The introduction of the USB Mode Protocol between the programs running +on the PicoRV32 CPU and the CH552 means that device apps that have not +been changed to use the protocol will not have any way to communicate +with the outside world. ### General @@ -53,7 +55,7 @@ For full change log [see](https://github.com/tillitis/tillitis-key1/compare/TK1- - At startup, fill RAM with random data using the xorwow PRNG, seeded by TRNG. -- Add support for the new USB Controller Protocol to communicate with +- Add support for the new USB Mode Protocol to communicate with different endpoints. ### CH552 @@ -68,6 +70,13 @@ For full change log [see](https://github.com/tillitis/tillitis-key1/compare/TK1- - Change USB frame sending from a software timer to instead be controlled by the USB Controller Protocol. +Note that to update the CH552 firmware you will need something like +the Blinkinlabs CH55x Reset Controller: + +https://shop-nl.blinkinlabs.com/products/ch55x-reset-controller + +https://github.com/Blinkinlabs/ch55x_programmer + ### tkey-builder - New versions of: