Customer CR.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2951 35acf78f-673a-0410-8e92-d51de3d6d3f4

demos/ARM7-AT91SAM7S-FATFS-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-AT91SAM7S-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-FATFS-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-LWIP-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-AT91SAM7X-UIP-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-LPC214x-FATFS-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-LPC214x-G++/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARM7-LPC214x-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM0-LPC1114-LPCXPRESSO/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-LPC1343-LPCXPRESSO/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-STM32F100-DISCOVERY/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-STM32F103-FATFS-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-STM32F103-G++/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-STM32F103/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-STM32F103ZG/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/ARMCM3-STM32F107/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/AVR-AT90CANx-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 128
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/AVR-ATmega128-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 128
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/MSP430-MSP430x1611-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 512
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/PPC-SPC563-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/Posix-GCC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0x20000
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/STM8L-STM8L152-DISCOVERY-STVD/demo/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 128
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/STM8S-STM8S105-DISCOVERY-STVD/demo/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 128
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/STM8S-STM8S208-RC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 128
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

demos/Win32-MinGW/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0x20000
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

os/kernel/src/chsys.c

@@ -35,6 +35,7 @@
 
 #include "ch.h"
 
+#if !CH_NO_IDLE_THREAD || defined(__DOXYGEN__)
 /**
  * @brief   Idle thread working area.
  * @see     IDLE_THREAD_STACK_SIZE
@@ -59,6 +60,7 @@ void _idle_thread(void *p) {
     IDLE_LOOP_HOOK();
   }
 }
+#endif /* CH_NO_IDLE_THREAD */
 
 /**
  * @brief   ChibiOS/RT initialization.
@@ -93,11 +95,13 @@ void chSysInit(void) {
   currp->p_state = THD_STATE_CURRENT;
   chSysEnable();
 
+#if !CH_NO_IDLE_THREAD
   /* This thread has the lowest priority in the system, its role is just to
      serve interrupts in its context while keeping the lowest energy saving
      mode compatible with the system status.*/
   chThdCreateStatic(_idle_thread_wa, sizeof(_idle_thread_wa), IDLEPRIO,
                     (tfunc_t)_idle_thread, NULL);
+#endif
 }
 
 /**

os/kernel/src/chthreads.c

@@ -206,8 +206,7 @@ Thread *chThdCreateStatic(void *wsp, size_t size,
 tprio_t chThdSetPriority(tprio_t newprio) {
   tprio_t oldprio;
 
-  chDbgCheck((newprio >= LOWPRIO) && (newprio <= HIGHPRIO),
+  chDbgCheck(newprio <= HIGHPRIO, "chThdSetPriority");
-              "chThdSetPriority");
 
   chSysLock();
 #if CH_USE_MUTEXES

os/kernel/templates/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

readme.txt

@@ -88,6 +88,9 @@
   to 2.2.4).
 - FIX: Fixed spurious characters generated by Serial over USB driver (bug
   3276379).
+- NEW: Added an option to the kernel to not spawn the Idle Thread from within
+  chSysInit(), this way the application can spawn a custom idle thread or
+  even use the main() thread as idle thread (backported to 2.2.4).
 - NEW: Added new SDC driver model, Secure Digital Card.
 - NEW: SDC driver implementation for STM32.
 - NEW: Updated the STM32 header file to the latest version 3.4.0, had to

test/coverage/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0x20000
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/LPC11xx/IRQ_STORM/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/LPC13xx/IRQ_STORM/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/ADC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/CAN/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/GPT/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/IRQ_STORM/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/PWM-ICU/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/SDIO/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/SPI/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/UART/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/USB_CDC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM32/USB_MSC/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 0
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/

testhal/STM8S/SPI/demo/chconf.h

@@ -90,6 +90,23 @@
 #define CH_MEMCORE_SIZE                 128
 #endif
 
+/**
+ * @brief   Idle thread automatic spawn suppression.
+ * @details When this option is activated the function @p chSysInit()
+ *          does not spawn the idle thread automatically. The application has
+ *          then the responsibility to do one of the following:
+ *          - Spawn a custom idle thread at priority @p IDLEPRIO.
+ *          - Change the main() thread priority to @p IDLEPRIO then enter
+ *            an endless loop. In this scenario the @p main() thread acts as
+ *            the idle thread.
+ *          .
+ * @note    Unless an idle thread is spawned the @p main() thread must not
+ *          enter a sleep state.
+ */
+#if !defined(CH_NO_IDLE_THREAD) || defined(__DOXYGEN__)
+#define CH_NO_IDLE_THREAD               FALSE
+#endif
+
 /*===========================================================================*/
 /* Performance options.                                                      */
 /*===========================================================================*/