From 79075f9e81d9d56be5da3bf6cdae56f4ace950de Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 19 Mar 2010 12:48:54 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1755 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- demos/Posix-GCC/chconf.h | 215 ++++++++++++++++++++++++----------------------- 1 file changed, 112 insertions(+), 103 deletions(-) (limited to 'demos/Posix-GCC/chconf.h') diff --git a/demos/Posix-GCC/chconf.h b/demos/Posix-GCC/chconf.h index 2f45fb0f3..dd249746f 100644 --- a/demos/Posix-GCC/chconf.h +++ b/demos/Posix-GCC/chconf.h @@ -18,9 +18,13 @@ */ /** - * @file templates/chconf.h - * @brief Configuration file template. + * @file templates/chconf.h + * @brief Configuration file template. + * @details A copy of this file must be placed in each project directory, it + * contains the application specific kernel settings. + * * @addtogroup config + * @details Kernel related settings and hooks. * @{ */ @@ -32,7 +36,7 @@ /*===========================================================================*/ /** - * @brief System tick frequency. + * @brief System tick frequency. * @details Frequency of the system timer that drives the system ticks. This * setting also defines the system tick time unit. */ @@ -41,20 +45,22 @@ #endif /** - * @brief Round robin interval. + * @brief Round robin interval. * @details This constant is the number of system ticks allowed for the * threads before preemption occurs. Setting this value to zero - * disables the round robin mechanism. + * disables the preemption for threads with equal priority and the + * round robin becomes cooperative. Note that higher priority + * threads can still preempt, the kernel is always preemptive. * - * @note Disabling round robin makes the kernel more compact and generally - * faster but forbids multiple threads at the same priority level. + * @note Disabling the round robin preemption makes the kernel more compact + * and generally faster. */ #if !defined(CH_TIME_QUANTUM) || defined(__DOXYGEN__) #define CH_TIME_QUANTUM 20 #endif /** - * @brief Nested locks. + * @brief Nested locks. * @details If enabled then the use of nested @p chSysLock() / @p chSysUnlock() * operations is allowed.
* For performance and code size reasons the recommended setting @@ -62,22 +68,22 @@ * You may use this option if you need to merge ChibiOS/RT with * external libraries that require nested lock/unlock operations. * - * @note The default is @p FALSE. + * @note T he default is @p FALSE. */ #if !defined(CH_USE_NESTED_LOCKS) || defined(__DOXYGEN__) #define CH_USE_NESTED_LOCKS FALSE #endif /** - * @brief Managed RAM size. + * @brief Managed RAM size. * @details Size of the RAM area to be managed by the OS. If set to zero * then the whole available RAM is used. The core memory is made * available to the heap allocator and/or can be used directly through * the simplified core memory allocator. * - * @note In order to let the OS manage the whole RAM the linker script must - * provide the @p __heap_base__ and @p __heap_end__ symbols. - * @note Requires @p CH_USE_COREMEM. + * @note In order to let the OS manage the whole RAM the linker script must + * provide the @p __heap_base__ and @p __heap_end__ symbols. + * @note Requires @p CH_USE_COREMEM. */ #if !defined(CH_MEMCORE_SIZE) || defined(__DOXYGEN__) #define CH_MEMCORE_SIZE 0x20000 @@ -88,32 +94,32 @@ /*===========================================================================*/ /** - * @brief OS optimization. + * @brief OS optimization. * @details If enabled then time efficient rather than space efficient code * is used when two possible implementations exist. * - * @note This is not related to the compiler optimization options. - * @note The default is @p TRUE. + * @note This is not related to the compiler optimization options. + * @note The default is @p TRUE. */ #if !defined(CH_OPTIMIZE_SPEED) || defined(__DOXYGEN__) #define CH_OPTIMIZE_SPEED TRUE #endif /** - * @brief Exotic optimization. + * @brief Exotic optimization. * @details If defined then a CPU register is used as storage for the global * @p currp variable. Caching this variable in a register greatly * improves both space and time OS efficiency. A side effect is that * one less register has to be saved during the context switch * resulting in lower RAM usage and faster context switch. * - * @note This option is only usable with the GCC compiler and is only useful - * on processors with many registers like ARM cores. - * @note If this option is enabled then ALL the libraries linked to the - * ChibiOS/RT code must be recompiled with the GCC option @p - * -ffixed-@. - * @note This option must be enabled in the Makefile, it is listed here for - * documentation only. + * @note This option is only usable with the GCC compiler and is only useful + * on processors with many registers like ARM cores. + * @note If this option is enabled then ALL the libraries linked to the + * ChibiOS/RT code must be recompiled with the GCC option @p + * -ffixed-@. + * @note This option must be enabled in the Makefile, it is listed here for + * documentation only. */ #if defined(__DOXYGEN__) #define CH_CURRP_REGISTER_CACHE "reg" @@ -124,219 +130,220 @@ /*===========================================================================*/ /** - * @brief Threads registry APIs. + * @brief Threads registry APIs. * @details If enabled then the registry APIs are included in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_REGISTRY) || defined(__DOXYGEN__) #define CH_USE_REGISTRY TRUE #endif /** - * @brief Threads synchronization APIs. + * @brief Threads synchronization APIs. * @details If enabled then the @p chThdWait() function is included in * the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_WAITEXIT) || defined(__DOXYGEN__) #define CH_USE_WAITEXIT TRUE #endif /** - * @brief Semaphores APIs. + * @brief Semaphores APIs. * @details If enabled then the Semaphores APIs are included in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_SEMAPHORES) || defined(__DOXYGEN__) #define CH_USE_SEMAPHORES TRUE #endif /** - * @brief Semaphores queuing mode. + * @brief Semaphores queuing mode. * @details If enabled then the threads are enqueued on semaphores by * priority rather than in FIFO order. * - * @note The default is @p FALSE. Enable this if you have special requirements. - * @note Requires @p CH_USE_SEMAPHORES. + * @note The default is @p FALSE. Enable this if you have special requirements. + * @note Requires @p CH_USE_SEMAPHORES. */ #if !defined(CH_USE_SEMAPHORES_PRIORITY) || defined(__DOXYGEN__) #define CH_USE_SEMAPHORES_PRIORITY FALSE #endif /** - * @brief Atomic semaphore API. - * @details If enabled then the semaphores the @p chSemWaitSignal() API + * @brief Atomic semaphore API. + * @details If enabled then the semaphores the @p chSemSignalWait() API * is included in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_SEMAPHORES. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. */ #if !defined(CH_USE_SEMSW) || defined(__DOXYGEN__) #define CH_USE_SEMSW TRUE #endif /** - * @brief Mutexes APIs. + * @brief Mutexes APIs. * @details If enabled then the mutexes APIs are included in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_MUTEXES) || defined(__DOXYGEN__) #define CH_USE_MUTEXES TRUE #endif /** - * @brief Conditional Variables APIs. + * @brief Conditional Variables APIs. * @details If enabled then the conditional variables APIs are included * in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_MUTEXES. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_MUTEXES. */ #if !defined(CH_USE_CONDVARS) || defined(__DOXYGEN__) #define CH_USE_CONDVARS TRUE #endif /** - * @brief Conditional Variables APIs with timeout. + * @brief Conditional Variables APIs with timeout. * @details If enabled then the conditional variables APIs with timeout * specification are included in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_CONDVARS. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_CONDVARS. */ #if !defined(CH_USE_CONDVARS_TIMEOUT) || defined(__DOXYGEN__) #define CH_USE_CONDVARS_TIMEOUT TRUE #endif /** - * @brief Events Flags APIs. + * @brief Events Flags APIs. * @details If enabled then the event flags APIs are included in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_EVENTS) || defined(__DOXYGEN__) #define CH_USE_EVENTS TRUE #endif /** - * @brief Events Flags APIs with timeout. + * @brief Events Flags APIs with timeout. * @details If enabled then the events APIs with timeout specification * are included in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_EVENTS. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_EVENTS. */ #if !defined(CH_USE_EVENTS_TIMEOUT) || defined(__DOXYGEN__) #define CH_USE_EVENTS_TIMEOUT TRUE #endif /** - * @brief Synchronous Messages APIs. + * @brief Synchronous Messages APIs. * @details If enabled then the synchronous messages APIs are included * in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_MESSAGES) || defined(__DOXYGEN__) #define CH_USE_MESSAGES TRUE #endif /** - * @brief Synchronous Messages queuing mode. + * @brief Synchronous Messages queuing mode. * @details If enabled then messages are served by priority rather than in * FIFO order. * - * @note The default is @p FALSE. Enable this if you have special requirements. - * @note Requires @p CH_USE_MESSAGES. + * @note The default is @p FALSE. Enable this if you have special requirements. + * @note Requires @p CH_USE_MESSAGES. */ #if !defined(CH_USE_MESSAGES_PRIORITY) || defined(__DOXYGEN__) #define CH_USE_MESSAGES_PRIORITY FALSE #endif /** - * @brief Mailboxes APIs. + * @brief Mailboxes APIs. * @details If enabled then the asynchronous messages (mailboxes) APIs are * included in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_SEMAPHORES. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. */ #if !defined(CH_USE_MAILBOXES) || defined(__DOXYGEN__) #define CH_USE_MAILBOXES TRUE #endif /** - * @brief I/O Queues APIs. + * @brief I/O Queues APIs. * @details If enabled then the I/O queues APIs are included in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_SEMAPHORES. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_SEMAPHORES. */ #if !defined(CH_USE_QUEUES) || defined(__DOXYGEN__) #define CH_USE_QUEUES TRUE #endif /** - * @brief Core Memory Manager APIs. + * @brief Core Memory Manager APIs. * @details If enabled then the core memory manager APIs are included * in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_MEMCORE) || defined(__DOXYGEN__) #define CH_USE_MEMCORE TRUE #endif /** - * @brief Heap Allocator APIs. + * @brief Heap Allocator APIs. * @details If enabled then the memory heap allocator APIs are included * in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_COREMEM and either @p CH_USE_MUTEXES or - * @p CH_USE_SEMAPHORES. - * @note Mutexes are recommended. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_COREMEM and either @p CH_USE_MUTEXES or + * @p CH_USE_SEMAPHORES. + * @note Mutexes are recommended. */ #if !defined(CH_USE_HEAP) || defined(__DOXYGEN__) #define CH_USE_HEAP TRUE #endif /** - * @brief C-runtime allocator. + * @brief C-runtime allocator. * @details If enabled the the heap allocator APIs just wrap the C-runtime * @p malloc() and @p free() functions. * - * @note The default is @p FALSE. - * @note Requires @p CH_USE_HEAP. - * @note The C-runtime may or may not require @p CH_USE_COREMEM, see the - * appropriate documentation. + * @note The default is @p FALSE. + * @note Requires @p CH_USE_HEAP. + * @note The C-runtime may or may not require @p CH_USE_COREMEM, see the + * appropriate documentation. */ #if !defined(CH_USE_MALLOC_HEAP) || defined(__DOXYGEN__) #define CH_USE_MALLOC_HEAP FALSE #endif /** - * @brief Memory Pools Allocator APIs. + * @brief Memory Pools Allocator APIs. * @details If enabled then the memory pools allocator APIs are included * in the kernel. * - * @note The default is @p TRUE. + * @note The default is @p TRUE. */ #if !defined(CH_USE_MEMPOOLS) || defined(__DOXYGEN__) #define CH_USE_MEMPOOLS TRUE #endif /** - * @brief Dynamic Threads APIs. + * @brief Dynamic Threads APIs. * @details If enabled then the dynamic threads creation APIs are included * in the kernel. * - * @note The default is @p TRUE. - * @note Requires @p CH_USE_WAITEXIT. + * @note The default is @p TRUE. + * @note Requires @p CH_USE_WAITEXIT. + * @note Requires @p CH_USE_HEAP and/or @p CH_USE_MEMPOOLS. */ #if !defined(CH_USE_DYNAMIC) || defined(__DOXYGEN__) #define CH_USE_DYNAMIC TRUE @@ -347,71 +354,73 @@ /*===========================================================================*/ /** - * @brief Debug option, parameters checks. + * @brief Debug option, parameters checks. * @details If enabled then the checks on the API functions input * parameters are activated. * - * @note The default is @p FALSE. + * @note The default is @p FALSE. */ #if !defined(CH_DBG_ENABLE_CHECKS) || defined(__DOXYGEN__) #define CH_DBG_ENABLE_CHECKS FALSE #endif /** - * @brief Debug option, consistency checks. + * @brief Debug option, consistency checks. * @details If enabled then all the assertions in the kernel code are * activated. This includes consistency checks inside the kernel, * runtime anomalies and port-defined checks. * - * @note The default is @p FALSE. + * @note The default is @p FALSE. */ #if !defined(CH_DBG_ENABLE_ASSERTS) || defined(__DOXYGEN__) #define CH_DBG_ENABLE_ASSERTS FALSE #endif /** - * @brief Debug option, trace buffer. + * @brief Debug option, trace buffer. * @details If enabled then the context switch circular trace buffer is * activated. * - * @note The default is @p FALSE. + * @note The default is @p FALSE. */ #if !defined(CH_DBG_ENABLE_TRACE) || defined(__DOXYGEN__) #define CH_DBG_ENABLE_TRACE FALSE #endif /** - * @brief Debug option, stack checks. + * @brief Debug option, stack checks. * @details If enabled then a runtime stack check is performed. * - * @note The default is @p FALSE. - * @note The stack check is performed in a architecture/port dependent way. It - * may not be implemented or some ports. + * @note The default is @p FALSE. + * @note The stack check is performed in a architecture/port dependent way. + * It may not be implemented or some ports. + * @note The default failure mode is to halt the system with the global + * @p panic_msg variable set to @p NULL. */ #if !defined(CH_DBG_ENABLE_STACK_CHECK) || defined(__DOXYGEN__) #define CH_DBG_ENABLE_STACK_CHECK FALSE #endif /** - * @brief Debug option, stacks initialization. + * @brief Debug option, stacks initialization. * @details If enabled then the threads working area is filled with a byte * value when a thread is created. This can be useful for the * runtime measurement of the used stack. * - * @note The default is @p FALSE. + * @note The default is @p FALSE. */ #if !defined(CH_DBG_FILL_THREADS) || defined(__DOXYGEN__) #define CH_DBG_FILL_THREADS FALSE #endif /** - * @brief Debug option, threads profiling. + * @brief Debug option, threads profiling. * @details If enabled then a field is added to the @p Thread structure that * counts the system ticks occurred while executing the thread. * - * @note The default is @p TRUE. - * @note This debug option is defaulted to TRUE because it is required by - * some test cases into the test suite. + * @note The default is @p TRUE. + * @note This debug option is defaulted to TRUE because it is required by + * some test cases into the test suite. */ #if !defined(CH_DBG_THREADS_PROFILING) || defined(__DOXYGEN__) #define CH_DBG_THREADS_PROFILING TRUE @@ -422,7 +431,7 @@ /*===========================================================================*/ /** - * @brief Threads descriptor structure hook. + * @brief Threads descriptor structure hook. * @details User fields added to the end of the @p Thread structure. */ #if !defined(THREAD_EXT_FIELDS) || defined(__DOXYGEN__) @@ -433,11 +442,11 @@ struct { \ #endif /** - * @brief Threads initialization hook. + * @brief Threads initialization hook. * @details User initialization code added to the @p chThdInit() API. * - * @note It is invoked from within @p chThdInit() and implicitily from all - * the threads creation APIs. + * @note It is invoked from within @p chThdInit() and implicitily from all + * the threads creation APIs. */ #if !defined(THREAD_EXT_INIT) || defined(__DOXYGEN__) #define THREAD_EXT_INIT(tp) { \ @@ -446,12 +455,12 @@ struct { \ #endif /** - * @brief Threads finalization hook. + * @brief Threads finalization hook. * @details User finalization code added to the @p chThdExit() API. * - * @note It is inserted into lock zone. - * @note It is also invoked when the threads simply return in order to - * terminate. + * @note It is inserted into lock zone. + * @note It is also invoked when the threads simply return in order to + * terminate. */ #if !defined(THREAD_EXT_EXIT) || defined(__DOXYGEN__) #define THREAD_EXT_EXIT(tp) { \ @@ -460,7 +469,7 @@ struct { \ #endif /** - * @brief Idle Loop hook. + * @brief Idle Loop hook. * @details This hook is continuously invoked by the idle thread loop. */ #if !defined(IDLE_LOOP_HOOK) || defined(__DOXYGEN__) -- cgit v1.2.3