63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
/*
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* Copyright (C) EdgeTX
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*
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* Based on code named
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* opentx - https://github.com/opentx/opentx
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "task.h"
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static void _task_stub(void* p)
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{
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task_func_t func = (task_func_t)p;
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func();
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}
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void task_create(task_handle_t* h, task_func_t func, const char* name,
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void* stack, unsigned stack_size, unsigned priority)
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{
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h->_stack_size = stack_size;
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h->_rtos_handle =
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xTaskCreateStatic(_task_stub, name, stack_size, (void*)func, priority,
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(StackType_t*)stack, &h->_task_struct);
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}
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unsigned task_get_stack_usage(task_handle_t* h)
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{
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return uxTaskGetStackHighWaterMark(h->_rtos_handle);
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}
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unsigned task_get_stack_size(task_handle_t* h)
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{
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return h->_stack_size * sizeof(StackType_t);
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}
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void mutex_create(mutex_handle_t* h)
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{
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h->_rtos_handle = xSemaphoreCreateMutexStatic(&h->_mutex_struct);
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mutex_unlock(h);
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}
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static inline bool _lock_mutex(mutex_handle_t* h, TickType_t xTickToWait)
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{
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return xSemaphoreTake(h->_rtos_handle, xTickToWait) == pdTRUE;
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}
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bool mutex_lock(mutex_handle_t* h) { return _lock_mutex(h, portMAX_DELAY); }
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bool mutex_trylock(mutex_handle_t* h) { return _lock_mutex(h, (TickType_t)0); }
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void mutex_unlock(mutex_handle_t* h) { xSemaphoreGive(h->_rtos_handle); }
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