esp-open-rtos/extras/cpp_support/include/task.hpp
2016-10-25 23:35:51 +11:00

106 lines
2.6 KiB
C++

/*
* The MIT License (MIT)
*
* ESP8266 FreeRTOS Firmware
* Copyright (c) 2015 Michael Jacobsen (github.com/mikejac)
*
* 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.
*
* https://github.com/SuperHouse/esp-open-rtos
*
*/
#ifndef ESP_OPEN_RTOS_TASK_HPP
#define ESP_OPEN_RTOS_TASK_HPP
#include "FreeRTOS.h"
#include "task.h"
namespace esp_open_rtos {
namespace thread {
/******************************************************************************************************************
* task_t
*
*/
class task_t
{
public:
/**
*
*/
task_t()
{}
/**
*
* @param pcName
* @param usStackDepth
* @param uxPriority
* @return
*/
int task_create(const char* const pcName, unsigned short usStackDepth = 256, unsigned portBASE_TYPE uxPriority = 2)
{
return xTaskCreate(task_t::_task, pcName, usStackDepth, this, uxPriority, NULL);
}
protected:
/**
*
* @param ms
*/
void sleep(unsigned long ms)
{
vTaskDelay(ms / portTICK_RATE_MS);
}
/**
*
* @return
*/
inline unsigned long millis()
{
return xTaskGetTickCount() * portTICK_RATE_MS;
}
private:
/**
*
*/
virtual void task() = 0;
/**
*
* @param pvParameters
*/
static void _task(void* pvParameters)
{
if(pvParameters != 0) {
((task_t*)(pvParameters))->task();
}
}
// no copy and no = operator
task_t(const task_t&);
task_t &operator=(const task_t&);
};
} //namespace thread {
} //namespace esp_open_rtos {
#endif /* ESP_OPEN_RTOS_TASK_HPP */