Add workaround for PA9/PA10 pin remapping

This sets an explicit mode for PA11/PA12 (aux and RTS/DE) to disable the remapping again. See stm32duino/Arduino_Core_STM32#1180
3devo · Apr 1, 2021 · 8f027d2 · 8f027d2
1 parent 476af80
commit 8f027d2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/Main.cpp b/Main.cpp
@@ -31,6 +31,11 @@ void setup() {
   DebugSerial.begin(1000000);
   DebugSerial.println("Starting");
 #endif
+  RS485.begin(115200);
+  // Configure PA11/PA12 to disable remapping of PA9/PA10
+  // https://github.com/stm32duino/Arduino_Core_STM32/issues/1180
+  pinMode(PA11, INPUT);
+  pinMode(PA12, INPUT);
 
   pinMode(STATUS_PIN, OUTPUT);
 }