/* ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. */ /** * @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. * @{ */ #ifndef CHCONF_H #define CHCONF_H #define _CHIBIOS_RT_CONF_ #define _CHIBIOS_RT_CONF_VER_5_0_ /*===========================================================================*/ /** * @name System timers settings * @{ */ /*===========================================================================*/ /** * @brief System time counter resolution. * @note Allowed values are 16 or 32 bits. */ #define CH_CFG_ST_RESOLUTION 16 /** * @brief System tick frequency. * @details Frequency of the system timer that drives the system ticks. This * setting also defines the system tick time unit. */ #define CH_CFG_ST_FREQUENCY 15624 /** * @brief Time intervals data size. * @note Allowed values are 16, 32 or 64 bits. */ #define CH_CFG_INTERVALS_SIZE 16 /** * @brief Time types data size. * @note Allowed values are 16 or 32 bits. */ #define CH_CFG_TIME_TYPES_SIZE 16 /** * @brief Time delta constant for the tick-less mode. * @note If this value is zero then the system uses the classic * periodic tick. This value represents the minimum number * of ticks that is safe to specify in a timeout directive. * The value one is not valid, timeouts are rounded up to * this value. */ #define CH_CFG_ST_TIMEDELTA 2 /** @} */ /*===========================================================================*/ /** * @name Kernel parameters and options * @{ */ /*===========================================================================*/ /** * @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 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 the round robin preemption makes the kernel more compact * and generally faster. */ #define CH_CFG_TIME_QUANTUM 0 /** * @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_CFG_USE_MEMCORE. */ #define CH_CFG_MEMCORE_SIZE 128 /** * @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. */ #define CH_CFG_NO_IDLE_THREAD FALSE /** @} */ /*===========================================================================*/ /** * @name Performance options * @{ */ /*===========================================================================*/ /** * @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. */ #define CH_CFG_OPTIMIZE_SPEED TRUE /** @} */ /*===========================================================================*/ /** * @name Subsystem options * @{ */ /*===========================================================================*/ /** * @brief Time Measurement APIs. * @details If enabled then the time measurement APIs are included in * the kernel. * * @note The default is @p TRUE. */ #define CH_CFG_USE_TM FALSE /** * @brief Threads registry APIs. * @details If enabled then the registry APIs are included in the kernel. * * @note The default is @p TRUE. */ #define CH_CFG_USE_REGISTRY TRUE /** * @brief Threads synchronization APIs. * @details If enabled then the @p chThdWait() function is included in * the kernel. * * @note The default is @p TRUE. */ #define CH_CFG_USE_WAITEXIT TRUE /** * @brief Semaphores APIs. * @details If enabled then the Semaphores APIs are included in the kernel. * * @note The default
/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file ARMCMx/compilers/GCC/crt1.c
* @brief Startup stub functions.
*
* @addtogroup ARMCMx_GCC_STARTUP
* @{
*/
#include <stdbool.h>
/**
* @brief Early initialization.
* @details This hook is invoked immediately after the stack initialization
* and before the DATA and BSS segments initialization. The
* default behavior is to do nothing.
* @note This function is a weak symbol.
*/
#if !defined(__DOXYGEN__)
__attribute__((weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __early_init(void) {}
/*lint -restore*/
/**
* @brief Late initialization.
* @details This hook is invoked after the DATA and BSS segments
* initialization and before any static constructor. The
* default behavior is to do nothing.
* @note This function is a weak symbol.
*/
#if !defined(__DOXYGEN__)
__attribute__((weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __late_init(void) {}
/*lint -restore*/
/**
* @brief Default @p main() function exit handler.
* @details This handler is invoked or the @p main() function exit. The
* default behavior is to enter an infinite loop.
* @note This function is a weak symbol.
*/
#if !defined(__DOXYGEN__)
__attribute__((noreturn, weak))
#endif
/*lint -save -e9075 [8.4] All symbols are invoked from asm context.*/
void __default_exit(void) {
/*lint -restore*/
while (true) {
}
}
/** @} */