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authorlonkaars <loek@pipeframe.xyz>2022-10-26 19:32:59 +0200
committerlonkaars <loek@pipeframe.xyz>2022-10-26 19:32:59 +0200
commit754dc7371651bd1b7fa74ee1aab9f297329a0f15 (patch)
tree5cc96da1d9b025fc3ab54723ec0f2e1ae62325ed /stm32f091/readme.md
parent02f7c39773db3daa5e0885035c79a1e10e8af0df (diff)
add disclaimer for broken dma functionality
Diffstat (limited to 'stm32f091/readme.md')
-rw-r--r--stm32f091/readme.md4
1 files changed, 4 insertions, 0 deletions
diff --git a/stm32f091/readme.md b/stm32f091/readme.md
index 97492d5..d2758b5 100644
--- a/stm32f091/readme.md
+++ b/stm32f091/readme.md
@@ -4,4 +4,8 @@
- make sure to initialize the git submodules
- all warnings from source files in the lib/ subfolder are hidden
- copy wifi.def.h to wifi.h and edit the network credentials
+- the initialization code is broken in some way which means that a soft reset
+ is required for the uart dma to work, either (a) press the reset button on
+ the development board after plugging in, or (b) run `st-flash reset` after
+ plugging in.