Define modules in Doxygen

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@20 ebee16cc-31ac-478f-84a7-5cbb03baadba

flight/sys/pios.c

@@ -6,7 +6,7 @@
  * @brief      Sets up main tasks, tickhook, and contains the Main function.
  *                 - It all starts from here!
  * @see        The GNU Public License (GPL) Version 3
- *
+ * 
  *****************************************************************************/
 /* 
  * This program is free software; you can redistribute it and/or modify 

flight/sys/pios_irq.c

@@ -6,7 +6,8 @@
  * @brief      IRQ Enable/Disable routines
  * @see        The GNU Public License (GPL) Version 3
  * @defgroup   PIOS_IRQ
- *
+ * @{
+ * 
  *****************************************************************************/
 /* 
  * This program is free software; you can redistribute it and/or modify 

flight/sys/pios_led.c

@@ -6,6 +6,7 @@
  * @brief      LED functions, init, toggle, on & off.
  * @see        The GNU Public License (GPL) Version 3
  * @defgroup   PIOS_LED
+ * @{
  *
  *****************************************************************************/
 /* 

flight/sys/pios_settings.c

@@ -6,6 +6,7 @@
  * @brief      Gets and sets PiOS settings, normally from SDCard. 
  * @see        The GNU Public License (GPL) Version 3
  * @defgroup   PIOS_SETTINGS
+ * @{
  *
  *****************************************************************************/
 /* 

flight/sys/pios_sys.c

@@ -6,6 +6,7 @@
  * @brief      Sets up basic system hardware, functions are called from Main.
  * @see        The GNU Public License (GPL) Version 3
  * @defgroup   PIOS_SYS
+ * @{
  *
  *****************************************************************************/
 /* 

flight/sys/pios_uart.c

@@ -6,6 +6,7 @@
  * @brief      UART commands. Inits UARTs, controls UARTs & Interupt handlers.
  * @see        The GNU Public License (GPL) Version 3
  * @defgroup   PIOS_UART
+ * @{
  *
  *****************************************************************************/
 /*