git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@94 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 33 insertions, 23 deletions

diff --git a/demos/ARM7-LPC214x-GCC/main.c b/demos/ARM7-LPC214x-GCC/main.c
index a889706e6..14e03170d 100644
--- a/demos/ARM7-LPC214x-GCC/main.c
+++ b/demos/ARM7-LPC214x-GCC/main.c
@@ -25,12 +25,21 @@
 #include "buzzer.h"

 #include "evtimer.h"

 

+/*

+ * System Idle Thread, this thread only runs when on other threads in the

+ * system require the CPU.

+ * The role of this thread is to minimize the power consumption when idling

+ * and serve the interrupts.

+ */

 static BYTE8 waIdleThread[UserStackSize(16)];

 static t_msg IdleThread(void *arg) {

 

   chSysPause();

 }

 

+/*

+ * Red LEDs blinker thread, times are in milliseconds.

+ */

 static BYTE8 waThread1[UserStackSize(32)];

 static t_msg Thread1(void *arg) {

 

@@ -47,6 +56,9 @@ static t_msg Thread1(void *arg) {
   return 0;

 }

 

+/*

+ * Yellow LED blinker thread, times are in milliseconds.

+ */

 static BYTE8 waThread2[UserStackSize(32)];

 static t_msg Thread2(void *arg) {

 

@@ -59,6 +71,9 @@ static t_msg Thread2(void *arg) {
   return 0;

 }

 

+/*

+ * Executed as event handler at 500mS intervals.

+ */

 static void TimerHandler(t_eventid id) {

   t_msg TestThread(void *p);

 

@@ -76,6 +91,10 @@ static void TimerHandler(t_eventid id) {
   }

 }

 

+/*

+ * Plays sounds when a MMC/SD card is inserted, then initializes the MMC

+ * driver and reads a sector.

+ */

 static void InsertHandler(t_eventid id) {

   static BYTE8 rwbuf[512];

   MMCCSD data;

@@ -92,39 +111,30 @@ static void InsertHandler(t_eventid id) {
   PlaySound(440, 200);

 }

 

+/*

+ * Plays sounds when a MMC/SD card is removed.

+ */

 static void RemoveHandler(t_eventid id) {

 

   PlaySoundWait(2000, 100);

   PlaySoundWait(1000, 100);

 }

 

-/*static BYTE8 waThread3[UserStackSize(256)];*/

-static EvTimer evt;

-static t_evhandler evhndl[] = {

-  TimerHandler,

-  InsertHandler,

-  RemoveHandler

-};

-

-/*static t_msg Thread3(void *arg) {

-  struct EventListener el0, el1, el2;

-

-  evtInit(&evt, 500);

-  evtStart(&evt);

-  mmcStartPolling();

-  evtRegister(&evt, &el0, 0);

-  chEvtRegister(&MMCInsertEventSource, &el1, 1);

-  chEvtRegister(&MMCRemoveEventSource, &el2, 2);

-  while (TRUE)

-    chEvtWait(ALL_EVENTS, evhndl);

-  return 0;

-}*/

-

+/*

+ * Entry point, the interrupts are disabled on entry.

+ */

 int main(int argc, char **argv) {

+  static const t_evhandler evhndl[] = {

+    TimerHandler,

+    InsertHandler,

+    RemoveHandler

+  };

+  static EvTimer evt;

   struct EventListener el0, el1, el2;

 

   /*

-   * The main() function becomes a thread here, ChibiOS/RT goes live.

+   * The main() function becomes a thread here then the interrupts are

+   * enabled and ChibiOS/RT goes live.

    */

   chSysInit();