From 08adc54377ded6edd4a58ea3001b28b94290c741 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Mon, 14 Nov 2011 13:17:38 +0100
Subject: [PATCH] UARTClass fix for only-first-char-sent issue.

---
 hardware/sam/cores/sam/UARTClass.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/hardware/sam/cores/sam/UARTClass.cpp b/hardware/sam/cores/sam/UARTClass.cpp
index 6bd79c022..76a60d3b3 100644
--- a/hardware/sam/cores/sam/UARTClass.cpp
+++ b/hardware/sam/cores/sam/UARTClass.cpp
@@ -120,10 +120,8 @@ void UARTClass::flush( void )
 void UARTClass::write( const uint8_t uc_data )
 {
   /* Check if the transmitter is ready */
-  if ( (_pUart->UART_SR & UART_SR_TXRDY) != UART_SR_TXRDY )
-  {
-      return ;
-  }
+  while ( (_pUart->UART_SR & UART_SR_TXRDY) != UART_SR_TXRDY )
+    ;
 
   /* Send character */
   _pUart->UART_THR = uc_data ;