From 9b0fc7cb3d29a5be46a1cfa95103cb17e06c8a3b Mon Sep 17 00:00:00 2001 From: xRuffKez Date: Wed, 11 Nov 2026 21:08:48 +0100 Subject: [PATCH] Clarify requirements and add Linux instructions Updated requirements for NeoProgrammer and flashrom, added Linux instructions for CH341. --- README.md | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 1e73941..86fdb16 100644 --- a/README.md +++ b/README.md @@ -269,11 +269,11 @@ a command line. ### What you need -- a Windows computer; +- a Windows computer for NeoProgrammer, or Linux for flashrom; - a CH341A/CH341B programmer verified for 3.3 V operation; - an SOIC-8 test clip and cable; - a multimeter; -- NeoProgrammer; +- NeoProgrammer (Windows) or flashrom (Linux); - [cc2camera installed](docs/INSTALLATION.md); the standalone Windows executable needs no Python or Git. The CH341 worked with the flash still soldered on the tested camera. A Bus @@ -357,6 +357,16 @@ Only after complete verification succeeds should you unplug the programmer, remove the clip, reconnect the camera's normal cable, and test it in the printer. +**Linux / CH341:** See the [flashrom procedure](hardware-recovery/PROGRAMMER_REFERENCE.md#linux-with-flashrom-and-ch341) +for chip identification, three verified backups and image building. After those +checks, these commands **write flash** and verify a complete readback: + +```sh +flashrom -p ch341a_spi -c "SFDP-capable chip" -w cc2-camera-1-cc2-recovery/cc2-camera-recovery.bin && +flashrom -p ch341a_spi -c "SFDP-capable chip" -r cc2-camera-readback.bin && +cmp cc2-camera-1-cc2-recovery/cc2-camera-recovery.bin cc2-camera-readback.bin +``` + ## What the repair changes Affected cameras repeatedly rewrite the same configuration files during every