TaskHumidity.cpp

00001 /*
00002  * TaskHumidity.cpp
00003  *
00004  *  Created on: May 30, 2016
00005  *      Author: Adrian
00006  */
00007 
00008 #include "TaskHumidity.h"
00009 
00010 TaskHumidity::TaskHumidity(BME280* bme280,Mutex* mutexI2C, Queue<BME280HumidityMessage,HUMIDITY_QUEUE_LENGHT>* queue){
00011     this->bme280 = bme280;
00012     setMutex(mutexI2C);
00013     setQueue(queue);
00014 }
00015 
00016 TaskHumidity::TaskHumidity(BME280* bme280,rtos::Mutex* mutexI2C,
00017         rtos::Queue<BME280HumidityMessage,HUMIDITY_QUEUE_LENGHT>* queue,
00018         osPriority priority, uint32_t stackSize, unsigned char *stackPointer){
00019     this->bme280 = bme280;
00020     setMutex(mutexI2C);
00021     setQueue(queue);
00022     setPriority(priority);
00023     setStackSize(stackSize);
00024     setStackPointer(stackPointer);
00025     setState(SLEEPING);
00026 }
00027 
00028 TaskHumidity::~TaskHumidity() {
00029     // TODO Auto-generated destructor stub
00030 }
00031 
00032 osStatus TaskHumidity::start(){
00033     setState(RUNNING);
00034     this->thread = new rtos::Thread(callBack,this);
00035 }
00036 
00037 osStatus TaskHumidity::stop(){
00038     thread->terminate();
00039     setState(SLEEPING);
00040     delete this->thread;
00041 }
00042 
00043 void TaskHumidity::callBack(void const* data){
00044     // WOODHAMMER METHOD of Casting!
00045     const TaskHumidity* constInstance = static_cast<const TaskHumidity* >(data);
00046     TaskHumidity* instance = const_cast<TaskHumidity*>(constInstance);
00047 
00048     instance->measureHumidity();
00049 }
00050 
00051 void TaskHumidity::measureHumidity(){
00052     BME280HumidityMessage bme280HumidityMessage;
00053 
00054     while(true){
00055         mutexI2C->lock(osWaitForever);
00056         bme280HumidityMessage.setHumidity(bme280->getHumidityFloat());
00057         mutexI2C->unlock();
00058 
00059         queue->put(&bme280HumidityMessage,osWaitForever);
00060         osDelay(HUMIDITY_TASK_DELAY_MS);
00061     }
00062 
00063 
00064 }
00065 
00066 void TaskHumidity::setQueue(Queue<BME280HumidityMessage,HUMIDITY_QUEUE_LENGHT>* queue){
00067     this->queue = queue;
00068 }
00069 
00070 void TaskHumidity::setMutex(Mutex* mutex){
00071     this->mutexI2C = mutex;
00072 }
00073 
00074 void TaskHumidity::setPriority(osPriority priority){
00075     this->priority = priority;
00076 }
00077 
00078 void TaskHumidity::setStackSize(uint32_t stacksize){
00079     this->stack_size = stacksize;
00080 }
00081 
00082 void TaskHumidity::setStackPointer(unsigned char* stackPointer){
00083     this->stack_pointer = stackPointer;
00084 }
00085 
00086 void TaskHumidity::setState(TASK_STATE state){
00087     this->state = state;
00088 }
00089 
00090 TASK_STATE TaskHumidity::getState(){
00091     return state;
00092 }
00093