diff --git a/testhal/ATSAMA5D2/UART/debug/SAMA5D2-UART (DDRAM).launch b/testhal/ATSAMA5D2/UART/debug/SAMA5D2-UART (DDRAM).launch
new file mode 100644
index 000000000..4cfd21840
--- /dev/null
+++ b/testhal/ATSAMA5D2/UART/debug/SAMA5D2-UART (DDRAM).launch	
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<launchConfiguration type="org.eclipse.cdt.debug.gdbjtag.launchConfigurationType">
+<stringAttribute key="bad_container_name" value="/SAMA5D2-FLEX-SPI/debu"/>
+<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.delay" value="3"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doHalt" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.doReset" value="false"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageFileName" value=""/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.imageOffset" value=""/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value="mon reg cpsr = 0xd3&#13;&#10;set *0xF8048000 = 0xA5000004&#13;&#10;set *0x00A00100 = 0&#13;&#10;set *0xF8048044 = 0x00008000&#13;&#10;mon cp15 1 0 0 0 = 0x00C50078&#13;&#10;set *0xF0014004 = 0x4&#13;&#10;set *0xF0014014 = 1&lt;&lt;13&#10;load ~/bootstrap.elf&#10;mon reg pc = 0x00200000&#10;continue"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDevice" value="Generic TCP/IP"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadSymbols" value="true"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value="20100000"/>
+<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="2331"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.runCommands" value=""/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="_start"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForImage" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useFileForSymbols" value="false"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForImage" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForSymbols" value="true"/>
+<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useRemoteTarget" value="true"/>
+<stringAttribute key="org.eclipse.cdt.debug.mi.core.DEBUG_NAME" value="arm-none-eabi-gdb"/>
+<stringAttribute key="org.eclipse.cdt.debug.mi.core.commandFactory" value="Standard"/>
+<stringAttribute key="org.eclipse.cdt.debug.mi.core.protocol" value="mi"/>
+<booleanAttribute key="org.eclipse.cdt.debug.mi.core.verboseMode" value="false"/>
+<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="arm-none-eabi-gdb"/>
+<booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
+<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
+<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
+<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
+<stringAttribute key="org.eclipse.cdt.launch.FORMAT" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&lt;contentList&gt;&lt;content id=&quot;mode-_pal_lld_setgroupmode-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;null-boardInit-(format)&quot; val=&quot;2&quot;/&gt;&lt;content id=&quot;null-sama_clock_init-(format)&quot; val=&quot;4&quot;/&gt;&lt;content id=&quot;null-_pal_lld_setgroupmode-(format)&quot; val=&quot;4&quot;/&gt;&lt;/contentList&gt;"/>
+<stringAttribute key="org.eclipse.cdt.launch.GLOBAL_VARIABLES" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;globalVariableList/&gt;&#13;&#10;"/>
+<stringAttribute key="org.eclipse.cdt.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList/&gt;&#13;&#10;"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="./build/ch.elf"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="SAMA5D2-UART"/>
+<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
+<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value=""/>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
+<listEntry value="/SAMA5D2-UART"/>
+</listAttribute>
+<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
+<listEntry value="4"/>
+</listAttribute>
+<mapAttribute key="org.eclipse.debug.core.preferred_launchers">
+<mapEntry key="[debug]" value="org.eclipse.cdt.debug.gdbjtag.core.dsfLaunchDelegate"/>
+</mapAttribute>
+<listAttribute key="org.eclipse.debug.ui.favoriteGroups">
+<listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
+</listAttribute>
+<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;reserved-for-future-use&quot;&gt;&#13;&#10;&lt;gdbmemoryBlockExpression address=&quot;4026531840&quot; label=&quot;0xF0000000&quot;/&gt;&#13;&#10;&lt;/memoryBlockExpressionList&gt;&#13;&#10;"/>
+<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
+</launchConfiguration>
diff --git a/testhal/ATSAMA5D2/UART/main.c b/testhal/ATSAMA5D2/UART/main.c
index 12bf9b55d..8cd5aa714 100644
--- a/testhal/ATSAMA5D2/UART/main.c
+++ b/testhal/ATSAMA5D2/UART/main.c
@@ -114,9 +114,9 @@ static UARTConfig uart_cfg_1 = {
   rxerr,
   NULL,
   0,
-  38400,
-  0,
-  US_MR_CHRL_8_BIT | US_MR_PAR_NO
+  38400,                             /* Baud rate   */
+  0,                                 /* CR register */
+  US_MR_CHRL_8_BIT | US_MR_PAR_NO    /* MR register */
 };
 
 /*
@@ -136,7 +136,8 @@ int main(void) {
   chSysInit();
 
   /*
-   * Activates the flexcom uart driver 0, PB28(RX) and PB29(RX) are routed to FLEXCOM0.
+   * Activates the flexcom uart driver 0.
+   * PB28 and PB29 are routed to FLEXCOM0.
    */
   uartStart(&FUARTD0, &uart_cfg_1);
 
@@ -150,16 +151,15 @@ int main(void) {
    */
   while (true) {
     if (!palReadPad(PIOB, PIOB_USER_PB)) {
-  /*
-   * Starts both a transmission and a receive operations, both will be
-   * handled entirely in background.
-   */
+    /*
+     * Starts both a transmission and a receive operations, both will be
+     * handled entirely in background.
+     */
       uartStopReceive(&FUARTD0);
       uartStopSend(&FUARTD0);
       uartStartReceive(&FUARTD0, BUFFER, buffer);
       uartStartSend(&FUARTD0, BUFFER+1, message);
     }
-
     chThdSleepMilliseconds(500);
   }
 }
diff --git a/testhal/ATSAMA5D2/UART/readme.txt b/testhal/ATSAMA5D2/UART/readme.txt
index cc6e568f6..65cd69a56 100644
--- a/testhal/ATSAMA5D2/UART/readme.txt
+++ b/testhal/ATSAMA5D2/UART/readme.txt
@@ -8,6 +8,8 @@ The demo targets a generic ARM Cortex-A5 device without HAL support.
 
 ** The Demo **
 
+Pressing user button, Uart sends and receives packets in loopback.
+ 
 ** Build Procedure **
 
 ** Notes **