.gitignore

@@ -0,0 +1 @@
+build

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "pico-keys-sdk"]
 	path = pico-keys-sdk
-	url = https://github.com/polhenarejos/pico-keys-sdk
+	url = git@github.com:fbuirey/pico-keys-sdk.git

CMakeLists.txt

@@ -131,6 +131,12 @@ target_compile_options(pico_fido PUBLIC
     -Werror
     )
 
+
+if(CUST_BUTTON_PIN)
+    target_compile_definitions(pico_fido PUBLIC CUST_BUTTON_PIN=${CUST_BUTTON_PIN})
+endif()
+message(STATUS "CUST_BUTTON_PIN is set to: ${CUST_BUTTON_PIN}")
+
 string(FIND ${CMAKE_C_COMPILER} ":" COMPILER_COLON)
 if (${COMPILER_COLON} GREATER_EQUAL 0)
         target_compile_options(pico_fido PUBLIC