RTC auf true
rtos/TARGET_CORTEX/mbed_rtx_idle.cpp
- Committer:
- kevman
- Date:
- 2019-03-13
- Revision:
- 2:7aab896b1a3b
- Parent:
- 0:38ceb79fef03
File content as of revision 2:7aab896b1a3b:
/* mbed Microcontroller Library * Copyright (c) 2006-2012 ARM Limited * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "rtos/rtos_idle.h" #include "platform/mbed_power_mgmt.h" #include "TimerEvent.h" #include "lp_ticker_api.h" #include "mbed_critical.h" #include "mbed_assert.h" #include <new> #include "rtx_os.h" extern "C" { #include "rtx_lib.h" } using namespace mbed; #if (defined(MBED_TICKLESS) && defined(DEVICE_LPTICKER)) #include "rtos/TARGET_CORTEX/SysTimer.h" static rtos::internal::SysTimer *os_timer; static uint64_t os_timer_data[sizeof(rtos::internal::SysTimer) / 8]; /// Enable System Timer. void OS_Tick_Enable (void) { // Do not use SingletonPtr since this relies on the RTOS if (NULL == os_timer) { os_timer = new (os_timer_data) rtos::internal::SysTimer(); os_timer->setup_irq(); } // set to fire interrupt on next tick os_timer->schedule_tick(); } /// Disable System Timer. void OS_Tick_Disable (void) { os_timer->cancel_tick(); } /// Acknowledge System Timer IRQ. void OS_Tick_AcknowledgeIRQ (void) { } /// Get System Timer count. uint32_t OS_Tick_GetCount (void) { return os_timer->get_time() & 0xFFFFFFFF; } // Get OS Tick IRQ number. int32_t OS_Tick_GetIRQn (void) { return -1; } // Get OS Tick overflow status. uint32_t OS_Tick_GetOverflow (void) { return 0; } // Get OS Tick interval. uint32_t OS_Tick_GetInterval (void) { return 1000; } static void default_idle_hook(void) { uint32_t ticks_to_sleep = osKernelSuspend(); os_timer->suspend(ticks_to_sleep); bool event_pending = false; while (!os_timer->suspend_time_passed() && !event_pending) { core_util_critical_section_enter(); if (osRtxInfo.kernel.pendSV) { event_pending = true; } else { sleep(); } core_util_critical_section_exit(); // Ensure interrupts get a chance to fire __ISB(); } osKernelResume(os_timer->resume()); } #else static void default_idle_hook(void) { // critical section to complete sleep with locked deepsleep core_util_critical_section_enter(); sleep_manager_lock_deep_sleep(); sleep(); sleep_manager_unlock_deep_sleep(); core_util_critical_section_exit(); } #endif // (defined(MBED_TICKLESS) && defined(DEVICE_LPTICKER)) static void (*idle_hook_fptr)(void) = &default_idle_hook; void rtos_attach_idle_hook(void (*fptr)(void)) { //Attach the specified idle hook, or the default idle hook in case of a NULL pointer if (fptr != NULL) { idle_hook_fptr = fptr; } else { idle_hook_fptr = default_idle_hook; } } extern "C" void rtos_idle_loop(void) { //Continuously call the idle hook function pointer while (1) { idle_hook_fptr(); } }