From d0377bdf25539fdbfc542f9b2a213918320b5cbe Mon Sep 17 00:00:00 2001 From: Thorsten von Eicken Date: Sat, 22 Oct 2016 22:36:21 -0700 Subject: [PATCH] add note about boot_v1.5 bug --- FLASHING.md | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/FLASHING.md b/FLASHING.md index e542cf20..a9478bf2 100644 --- a/FLASHING.md +++ b/FLASHING.md @@ -100,6 +100,10 @@ flash modules. Note the different address for esp_init_data_default.bin and blan For __8Mbit / 1MByte__ modules the addresses are 0xFC000 and 0xFE000. +__Warning__: there is a bug in boot_v1.5.bin which causes it to only boot into user1 once. +If that fails it gets stuck trying to boot into user2. If this happens (can be seen in the +boot output on uart2 at 76600 baud) reflash just blank.bin at 0x7E000 (4Mbit module). (Sigh) + ## Updating the firmware over-the-air This firmware supports over-the-air (OTA) flashing for modules with 1MByte or more flash,