Progress debugging serial driver

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3078 42af7a65-404d-4744-a932-0658087f49c3

ChangeLog

@@ -1323,6 +1323,9 @@
 	* configs/avr32dev1/ostest - The AVR32 port now successfully passes the
 	  examples/ostest.  We have a good AVR32 port!
 	* configs/avr32dev1/nsh - Added a configuration to support the NuttShell
-	  (NSH). Testing of this configuration is just beginning.
+	  (NSH). As of this writing, here is a problem receiving serial data (this
+	  is, very likely, my hardware setup).
+	* lib/lib_open.c - Fix an error in fdopen when a valid file desciptor does
+	  not refer to an open file.
 
 

Documentation/NuttX.html

@@ -8,7 +8,7 @@
   <tr align="center" bgcolor="#e4e4e4">
     <td>
       <h1><big><font color="#3c34ec"><i>NuttX RTOS</i></font></big></h1>
-      <p>Last Updated: November 4, 2010</p>
+      <p>Last Updated: November 5, 2010</p>
     </td>
   </tr>
 </table>
@@ -1952,7 +1952,10 @@ nuttx-5.13 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 	* configs/avr32dev1/ostest - The AVR32 port now successfully passes the
 	  examples/ostest.  We have a good AVR32 port!
 	* configs/avr32dev1/nsh - Added a configuration to support the NuttShell
-	  (NSH). Testing of this configuration is just beginning.
+	  (NSH). As of this writing, here is a problem receiving serial data (this
+	  is, very likely, my hardware setup).
+	* lib/lib_open.c - Fix an error in fdopen when a valid file desciptor does
+	  not refer to an open file.
 
 pascal-2.1 2010-xx-xx Gregory Nutt &lt;spudmonkey@racsa.co.cr&gt;
 

arch/avr/src/at32uc3/at32uc3_serial.c

@@ -336,7 +336,7 @@ static inline void up_disableusartint(struct up_dev_s *priv, uint32_t *imr)
 {
   if (imr)
     {
-      *imr = up_serialin(priv, AVR32_USART_IDR_OFFSET);
+      *imr = up_serialin(priv, AVR32_USART_IMR_OFFSET);
     }
 
   /* Disable all interrupts */
@@ -594,7 +594,7 @@ static int up_receive(struct uart_dev_s *dev, uint32_t *status)
 static void up_rxint(struct uart_dev_s *dev, bool enable)
 {
   struct up_dev_s *priv = (struct up_dev_s*)dev->priv;
- 
+
   if (enable)
     {
       /* Receive an interrupt when their is anything in the Rx data register (or an Rx

arch/avr/src/common/up_initialize.c

@@ -51,6 +51,19 @@
 /****************************************************************************
  * Pre-processor Definitions
  ****************************************************************************/
+/* Determine which (if any) console driver to use.  This will probably cause
+ * up_serialinit to be incorrectly called if there is no USART configured to
+ * be an RS-232 device (see as an example arch/avr/src/at32uc23/at32uc3_config.h)
+ * This will probably have to be revisited someday.
+ */
+
+#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE)
+#  undef CONFIG_USE_SERIALDRIVER
+#  undef CONFIG_USE_EARLYSERIALINIT
+#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0
+#  define CONFIG_USE_SERIALDRIVER 1
+#  define CONFIG_USE_EARLYSERIALINIT 1
+#endif
 
 /****************************************************************************
  * Private Types