From f66388c1d393524c494c37c5ff20e5aef3aae41b Mon Sep 17 00:00:00 2001
From: bsongis <bsongis@gmail.com>
Date: Sat, 5 Jul 2014 19:23:53 +0200
Subject: [PATCH] LCD asynchronous refresh prepared for Taranis+

---
 radio/src/lcd.h                          | 9 ++++++++-
 radio/src/opentx.cpp                     | 3 ++-
 radio/src/targets/taranis/lcd_driver.cpp | 2 +-
 3 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/radio/src/lcd.h b/radio/src/lcd.h
index dd748588c..56aed713b 100644
--- a/radio/src/lcd.h
+++ b/radio/src/lcd.h
@@ -264,7 +264,14 @@ void lcdSetRefVolt(unsigned char val);
 void lcdInit();
 void lcd_clear();
 void lcdSetContrast();
-void lcdRefresh();
+
+#if defined(PCBTARANIS) && defined(REVPLUS) && !defined(SIMU)
+  void lcdRefresh(bool wait=true);
+  #define LCD_REFRESH_DONT_WAIT false
+#else
+  void lcdRefresh();
+  #define LCD_REFRESH_DONT_WAIT
+#endif
 
 #if defined(PCBTARANIS)
   const pm_char * bmpLoad(uint8_t *dest, const char *filename, const xcoord_t width, const uint8_t height);
diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index 1542f6e82..c2f95adee 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -2853,7 +2853,8 @@ void perMain()
   }
 
   drawStatusLine();
-  lcdRefresh();
+
+  lcdRefresh(LCD_REFRESH_DONT_WAIT);
 
   if (SLAVE_MODE()) {
     JACK_PPM_OUT();
diff --git a/radio/src/targets/taranis/lcd_driver.cpp b/radio/src/targets/taranis/lcd_driver.cpp
index 868dcd4ab..fb3953e54 100644
--- a/radio/src/targets/taranis/lcd_driver.cpp
+++ b/radio/src/targets/taranis/lcd_driver.cpp
@@ -161,7 +161,7 @@ void Set_Address(u8 x, u8 y)
   LCD_CLK_HIGH();
 
 #if defined(REVPLUS)
-void lcdRefresh()
+void lcdRefresh(bool wait)
 {
   Set_Address(0, 0);