From 4fc627f08b942df8312ad02f24a361b18c4b790b Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sun, 18 Nov 2007 09:45:45 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@95
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 demos/ARM7-LPC214x-GCC/buzzer.c |  4 ++--
 demos/ARM7-LPC214x-GCC/chcore.c |  9 +++++----
 demos/ARM7-LPC214x-GCC/chcore.h |  4 ++++
 demos/ARM7-LPC214x-GCC/main.c   | 23 +----------------------
 4 files changed, 12 insertions(+), 28 deletions(-)

(limited to 'demos/ARM7-LPC214x-GCC')

diff --git a/demos/ARM7-LPC214x-GCC/buzzer.c b/demos/ARM7-LPC214x-GCC/buzzer.c
index 218d920d0..7d80d8881 100644
--- a/demos/ARM7-LPC214x-GCC/buzzer.c
+++ b/demos/ARM7-LPC214x-GCC/buzzer.c
@@ -52,8 +52,8 @@ void InitBuzzer(void) {
   TC *tc = T1Base;
   StopCounter(tc);
   tc->TC_CTCR = 0;                      // Clock source is PCLK.
-  tc->TC_PR = 0;                        // Prescaler disabled.
-  tc->TC_MCR = 2;                       // Clear TC on match MR0.
+  tc->TC_PR   = 0;                        // Prescaler disabled.
+  tc->TC_MCR  = 2;                       // Clear TC on match MR0.
 }
 
 static void stop(void *p) {
diff --git a/demos/ARM7-LPC214x-GCC/chcore.c b/demos/ARM7-LPC214x-GCC/chcore.c
index 2f60c9d53..bf157cf43 100644
--- a/demos/ARM7-LPC214x-GCC/chcore.c
+++ b/demos/ARM7-LPC214x-GCC/chcore.c
@@ -140,14 +140,15 @@ void hwinit(void) {
   InitBuzzer();
 }
 
-void chSysPause(void) {
-
-  chThdSetPriority(IDLEPRIO);
+/*
+ * System idle thread loop.
+ */
+void _IdleThread(void *p) {
 
   while (TRUE) {
 // Note, it is disabled because it causes trouble with the JTAG probe.
 // Enable it in the final code only.
-//    PCON = 1;   /* Stops CPU clock until next interrupt. */
+//    PCON = 1;
   }
 }
 
diff --git a/demos/ARM7-LPC214x-GCC/chcore.h b/demos/ARM7-LPC214x-GCC/chcore.h
index 9a1401f1c..7aef95d12 100644
--- a/demos/ARM7-LPC214x-GCC/chcore.h
+++ b/demos/ARM7-LPC214x-GCC/chcore.h
@@ -98,6 +98,10 @@ extern void chSysUnlock(void);
 #define UserStackSize(n) (sizeof(Thread) + \
                           sizeof(struct stackregs) + (n) + (INT_REQUIRED_STACK))
 
+
+#define IDLE_THREAD_STACK_SIZE 8
+void _IdleThread(void *p) __attribute__((noreturn));
+
 void chSysHalt(void) __attribute__((noreturn));
 void chSysPause(void)  __attribute__((noreturn));
 void chSysSwitchI(Context *oldp, Context *newp);
diff --git a/demos/ARM7-LPC214x-GCC/main.c b/demos/ARM7-LPC214x-GCC/main.c
index 14e03170d..1829e6eb6 100644
--- a/demos/ARM7-LPC214x-GCC/main.c
+++ b/demos/ARM7-LPC214x-GCC/main.c
@@ -25,18 +25,6 @@
 #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.
  */
@@ -138,15 +126,6 @@ int main(int argc, char **argv) {
    */
   chSysInit();
 
-  /*
-   * This thread has the lowest priority in the system, its role is just to
-   * execute the chSysPause() and serve interrupts in its context.
-   * In ChibiOS/RT at least one thread in the system *must* execute
-   * chThdPause(), it can be done in a dedicated thread or in the main()
-   * function (that would never exit the call).
-   */
-  chThdCreate(IDLEPRIO, 0, waIdleThread, sizeof(waIdleThread), IdleThread, NULL);
-
   /*
    * If a button is pressed during the reset then the blinking leds threads
    * are not started in order to make accurate benchmarks.
@@ -163,7 +142,7 @@ int main(int argc, char **argv) {
   chThdSetPriority(NORMALPRIO);
 
   /*
-   * Normal main() activity, in this demo it server events incoming from
+   * Normal main() activity, in this demo it serves events generated by
    * various sources.
    */
   evtInit(&evt, 500);           /* Initializes an event timer object.   */
-- 
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