Merge pull request #3436 from Blake-Latchford/wio-e5-fix

WIO-E5 Fix: Pin Radiolab for stm32 and replace ltoa

platformio.ini

@@ -110,7 +110,9 @@ build_flags = ${arduino_base.build_flags}
 
 [stm32_base]
 extends = arduino_base
-platform = ststm32
+; Pinned pending upstream fix for upstream conversions.
+; https://github.com/jgromes/RadioLib/issues/1873
+platform = ststm32@19.7.1
 extra_scripts = post:arch/stm32/build_hex.py
 build_flags = ${arduino_base.build_flags}
   -D STM32_PLATFORM

src/helpers/TxtDataHelpers.cpp

@@ -27,6 +27,11 @@ bool StrHelper::isBlank(const char* str) {
 }
 
 #include <Arduino.h>
+#include <stdio.h>
+#if __has_include(<api/itoa.h>)
+// https://github.com/stm32duino/Arduino_Core_STM32/issues/3084
+#include <api/itoa.h>
+#endif
 
 union int32_Float_t
 {