From 9aa450713a031ea2a8777b94055c81dad1306ef5 Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Mon, 7 Nov 2016 20:20:06 +0000
Subject: [PATCH] Conditional compile of mode pins for STM32F4.

---
 IOSTM.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/IOSTM.cpp b/IOSTM.cpp
index 1388367..b2ab143 100644
--- a/IOSTM.cpp
+++ b/IOSTM.cpp
@@ -117,6 +117,7 @@ void CIO::initInt()
   GPIO_InitStruct.GPIO_PuPd  = GPIO_PuPd_NOPULL;
   GPIO_Init(PORT_COS, &GPIO_InitStruct);
 
+#if defined(ARDUINO_MODE_PINS)
   // DSTAR pin
   RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD, ENABLE);
   GPIO_StructInit(&GPIO_InitStruct);
@@ -156,6 +157,7 @@ void CIO::initInt()
   GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
   GPIO_InitStruct.GPIO_PuPd  = GPIO_PuPd_DOWN;
   GPIO_Init(PORT_P25, &GPIO_InitStruct);
+#endif
 }
 
 void CIO::startInt()