File content as of revision 2:c5fb78148ccc:

#include <stdlib.h>
//#include <pthread.h>
//#include <semaphore.h>
#include "buffer.h"

#include "mbed.h"

//#include "string.h"
#include <stdio.h>
#include <ctype.h>
#include "x_nucleo_iks01a1.h"
#include "rtos.h"

#define RAND_DIVISOR 100000000
#define TRUE 1

//setting out variables

/**
/ this is setting up the connection from the board
**/ 

static X_NUCLEO_IKS01A1 *mems_expansion_board = X_NUCLEO_IKS01A1::Instance(D14, D15);
static HumiditySensor *humidity_sensor = mems_expansion_board->ht_sensor;
static PressureSensor *pressure_sensor = mems_expansion_board->pt_sensor;
static TempSensor *temp_sensor1 = mems_expansion_board->ht_sensor;
static TempSensor *temp_sensor2 = mems_expansion_board->pt_sensor;

/*
/ this is will make sure the contant valid of how much data will be sorted or not as this
/could help when the data range.
*/
const int amountOfSample = 150;


const int BUFFER_SIZE = 75;

// mutex lock
Mutex *bufferLock;



//buffer
char buffer_item[BUFFER_SIZE][200];


Thread  tid; //thread id
pthread_attr_t attr; //set of thread attributes

void *producer(void *param); //producer thread
void *consumer(void *param); //consumer thread



volatile char memorySample[amountOfSample][200];

char values[20][20];




uint8_t id;


//class

class KeyLocks {
    
    public:
        int key;
        
        KeyLocks(){
            
            key = 0;
            
        }
        
        bool unlock(void)
        {
             if(key == 0){
                 
                 key = 1;
                 return true;
                 
            }else{
                return false;
                
                }
        } 
        
        bool lock(void)
        {
             if(key == 1){
                 
                 key = 0;
                 return true;
                 
            }else{
                return false;
                
                }
        } 
            
};

class SampleRate : public KeyLocks 
{
    public:
        /*
        /this is going the amount of time which the data sample will be taking and this will have
        /a default stating of every 15 second but can be changed
        */
        int sampleRate;
        
        SampleRate(){
            
            sampleRate = 15;
            
        }
        
        int getSampleRate(void)
        {
             return sampleRate;
        } 
        void setSampleRate(double newSampleRate){
            
            sampleRate = newSampleRate;
            
        }
        
        
        
};


class TakeSample : public KeyLocks
{
    public:
        /*
        /this is going to take the sample or not as this can change if the person thing it could happen 
        /which will see if the data is stored   
        */  
        bool takeSample;
        
        TakeSample(){
            takeSample = true;    
        }
        
        int getTakeSample(void)
        {
             return takeSample;
        } 
        void setTakeSample(bool newTakeSample){
            
            takeSample = newTakeSample;
            
        }       
};



class SampleTemp: public KeyLocks
{
    public: 
    
        SampleTemp(){}
        float currentTemp;       
        /*
        /this is the fuction which will get the humidity for the external devices
        */
        float getTemp(void) 
        {
            temp_sensor1->GetTemperature(&currentTemp); 
            return currentTemp;  
        }              
};

class SampleHumitaty: public KeyLocks
{
    public: 
    
        SampleHumitaty(){}
    
        float currentHumitaty;        
        /*
        /this is the fuction which will get the humidity for the external devices
        */
        float getHumidity() 
        {
            humidity_sensor->GetHumidity(&currentHumitaty);
            return currentHumitaty;
            
        }              
};


class SamplePressure: public KeyLocks 

{
    public:
    
        SamplePressure(){}   
    
        float currentPressure;     
        /*
        /this is the fuction which will get the pressure for the external devices
        */
        float getPressure() 
        {
            pressure_sensor->GetPressure(&currentPressure);
            return currentPressure;
        }             
};

class SampleDisplay: public KeyLocks
{
    public:
        /*
        /this is the variable to see if the data will be display or not after the data being sorted
        /this can change by the user input
        */

        bool display;
        
        SampleDisplay(){
            display = false;
        }
        
        bool getTakeDisplay(void)
        {
             return display;
        } 
        void setDisplay(bool newSampleDisplay){
            
            display = newSampleDisplay;
            
        }       
};

 
 
 
class BufferStartPointer: public KeyLocks
{
    public:
        /*
        /this is the pointer to start of the buffer as this will make the buffer be cycler
        */
        int bufferStartPointer;
        
        BufferStartPointer(){
            bufferStartPointer = 0;
        }
        
        int getBufferStartPointer (void)
        {
             return bufferStartPointer;
             key = 1;
        } 
        void setBufferStartPointer (int newBufferStartPointer ){
            
            bufferStartPointer = newBufferStartPointer;
            
        } 
        void plusOne(void){ 
            if(bufferStartPointer + 1 == BUFFER_SIZE){
                bufferStartPointer = 0;
            }else{
                bufferStartPointer = bufferStartPointer + 1;
                }
        }    
};


class BufferEndPointer: public KeyLocks
{
    public:
        /*
        /this is the pointer to End of the buffer as this will make the buffer be cycler
        */
        int bufferEndPointer;
        
        
        BufferEndPointer(){
            bufferEndPointer = 0;
        }
        
        int getBufferEndPointer (void)
        {
             return bufferEndPointer;
        } 
        void setBufferEndPointer (int newBufferEndPointer ){
            
            bufferEndPointer = newBufferEndPointer;
            
        } 
        
          void plusOne(void){ 
            if(bufferEndPointer + 1 == BUFFER_SIZE){
                bufferEndPointer = 0;
            }else{
                bufferEndPointer = bufferEndPointer + 1;
                }
        }        
};

class BufferSize: public KeyLocks
{
    
    public:
            int bufferSize;
            Semaphore *EmptyBuffer;
            Semaphore *fullBuffer;
            
            BufferSize(){
                EmptyBuffer = new Semaphore(0);
                sapceAvailable = new Semaphore(BUFFER_SIZE);
                bufferSize = 0;
                
            }
            
            void increaseBufferSize(){
                bufferSize = bufferSize + 1;
            }
            
            void deincreaseBufferSize(){
                bufferSize = bufferSize - 1;
            }
            
            int getBufferSize(){
                return bufferSize;
            }
            
            int getEmptyBuffer(){
                return EmptyBuffer -> wait();
            }
            
            int getFullBuffer(){
                return fullBuffer -> wait();
            }
            
            void releaseEmptyBuffer(){
                return EmptyBuffer -> release();
            }
            
            void releaseFullBuffer(){
                return fullBuffer -> release();
            }
    
    
};

/**void initialiseBufferData(){
    //create mutex lock
    pthread_mutex_init(&mutex, NULL);
    
    //create full semaphore and initialise to 0
    sem_init(&full, 0, 0);
    
    //create empty semaphore and initialise to BUFFER_SIZE
    sem_init(&empty, 0, BUFFER_SIZE);
    
    //get default attributes
    pthread_attr_init(&attr);
    
    //init buffer
    counter = 0;
}**/

//producer thread
void *producer(char newItem[], BufferEndPointer *endPointer, BufferSize *bufferSize){
   
   while(!bufferSize->lock()){};
   
   int size = bufferSize -> getBufferSize();
   
   while(size < BUFFER_SIZE){
       //sleep for random amount of time
       
       //get the buffer
       bufferLock->lock(); 

           
        while(!endPointer->lock()){};
       
        endPointer->plusOne();
        buffer_item[endPointer->getBufferEndPointer()] = newItem[];
        endPointer->unlock();
        bufferLock->unlock();
        while(!bufferSize->lock()){};
        bufferSize ->increaseBufferSize();
        size = bufferSize -> getBufferSize();       
           
        
    }
}

//consumer thread
void *consumer(BufferStartPointer *startPointer, BufferSize *bufferSize, BufferEndPointer *endPointer) {
   
   while(!bufferSize->lock()){};
   
   int size = bufferSize -> getBufferSize();
   
   while(size > 0){
       //sleep for random amount of time
       
       //get the buffer
       bufferLock->lock(); 
        
        while(!endPointer->lock()){};
        
        int index = endPointer->getBufferEndPointer();
        
        endPointer -> unlock;
           
        while(!startPointer->lock()){};
       
        startPointer->plusOne();
        memorySample[index] = buffer_item[startPointer->getBufferStartPointer()];
        startPointer->unlock();
        bufferLock->unlock();
        
        
        while(!bufferSize->lock()){};
        bufferSize ->deincreaseBufferSize();
        size = bufferSize -> getBufferSize();       
           
        
    }
   
  
}

//this is setting all the function for the treads in the program


/*
/this is fucntion which the important the updateSample rate 
*/
void updateSample(SamplePressure* pressure, SampleHumitaty* humitaty, SampleTemp* tempeture) 
{
    while(!pressure->lock()){};
        
    float currentPressure = pressure->getPressure();
    pressure->unlock();
    
    while(!humitaty->lock()){};
        
    float current= humitaty->getHumidity();
    humitaty->unlock();
    
    
    while(!tempeture->lock()){};
        
    float currentTemp= tempeture->getTemp();
    tempeture->unlock();
    
}


void splitString(char inputString[]){
       int sizeOfArray = 1000;
       char opertaion[sizeOfArray];
       char data[sizeOfArray];
       
       for (int i = 0; i < 20; i++){
           for (int j = 0; i < 20; j++){
               values[i][j] =' ';
               
            }
        }
        
       for (int i = 0; i < sizeOfArray; i++){
         
            if(inputString[i] == '<'){
                for(int j=0; j < i; j++){
                   
                   opertaion[j] = inputString[j];                  
                   
                }
                
                int index = 0;
                
                for(int k=i+1; k < sizeOfArray - 1; k++){
                    
                    data[index] = (inputString[k]);
                    index++;
                    
                } 
                
                
                
                for(int y = 0; y < 20; y++){
                  values[0][y] = opertaion[y];
                }
                
                for(int z = 0;z < 20; z++){
                    values[1][z] = data[z];
                }
                         
                break;
                   
            } 
        }
}

/*
/this is going to sort the string to see the opertion which will picked the opertion which 
/need the be carried out and the put the data in to the tread to then which the tread will
/do it operation
*/
void sortString(char inputString[]) 
{
     
     //if("DELETE" == values[0]){         
         
         //printCurrentRecord(values[]);
         
     //}
     
    //https://developer.mbed.org/teams/Students-Plymouth-University-UK-SoCEM/
    
}




/*
/this is function that will written to the memory of the from the buffer so that will be fast
/ and did not lose anydata
*/
void writtenToMemory(const void* arg ) 
{
    
}


/*
/this is he deleteRecords which will move the buffer regard so that the bufferent will over 
/write to the  old data in the fifo buffer
*/
void deleteRecord(const void* arg ) 
{
    
}


/*
/read Record is the most reason data which which is store in the data 
*/
void readRecord(const void* arg ) 
{
    
}


/*
/read Record is the selected data which be passed in as a a string
*/
void printCurrentRecord(char displayString[], int length) 
{
    
    for(int i = 0; i < length - 1; i++){
        
        const char letter  = displayString[i];
        printf('%c', letter);
        
        
    }
    
    char letter = displayString[length - 1];        
    //printf('%c\n',letter);
    
    
}

void deleteAll(BufferStartPointer* bufferStart, BufferEndPointer* bufferEnd){
 
    while(bufferStart -> lock()){}
    bufferStart -> setBufferStartPointer(0);
    bufferStart -> unlock();
    
    while(bufferEnd -> lock()){};
    bufferEnd -> setBufferEndPointer(0);
    bufferEnd -> unlock();
    
    
    // need the ram memory
    
    
 
 
    
}

/*
/this is the fuction which update the the sample rate so the int to
/update  the value whoch might hange
*/
void updateSampleRate(double newSampleRate, SampleRate* sampleRate) 
{
    while(!sampleRate -> lock()){};
    char outputString[20];
    if(newSampleRate =>0.1 && newSampleRate =<60.0){
         sampleRate -> setSampleRate(newSampleRate);  
         outputString = 'UPDATE<' + sampleRate+ '>'; 
    }else{
        outputString = 'OUT OF RANGE'; 
     }    
    sampleRate -> unlock();
    
}

/*/
/this is update the the log so see if the log if the the sample rate 
ozr not
*/
void updateLog(char logType[], TakeSample* takeSample) 
{
    char output[20];
    
    while(!takeSample -> lock()){}();
    if(logType[0] == 'N' || logType[0] == 'N'){
        if(logType[1] == 'O' || logType[0] == 'o'){
            takeSample -> setTakeSample(false);
            output ='Log<ON>';
        }
            
    }
    
    if(logType[0] == 'Y' || logType[0] == 'y'){
        if(logType[1] == 'E' || logType[0] == 'e'){
            if(logType[2] == 'E' || logType[0] == 'e'){
                takeSample -> setTakeSample(true);
                output ='Log<OFF>';
            }            
        }
    }
    takeSample -> unlock();
    
    //need output tread
    
}

/*
/tthis is update th date which the system will go from and with change
/  the date so that the records are set with the date.
*/
void updateDate(char newDate[]) 
{
    
}

/*
/tthis is update th time which the system will go from and with change
/  the time so that the records are set with the date.
*/
void updateTime(char newTime[]) 
{
    
}

void updateDisplayState(SampleDisplay* sampleDisplay, char displayString[]){
    
    char output[20];
    
    while(!sampleDisplay -> lock()){};
    if(displayString[0] == 'N' || displayString[0] == 'N'){
        if(displayString[1] == 'O' || displayString[1] == 'o'){
            sampleDisplay -> setDisplay(false);
            output ='SAMPLING<ON>';
        }
            
    }
    
    if(displayString[0] == 'Y' || displayString[0] == 'y'){
        if(displayString[1] == 'E' || displayString[0] == 'e'){
            if(displayString[2] == 'E' || displayString[0] == 'e'){
                sampleDisplay -> setDisplay(true);
                output ='SAMPLING<OFF>';
            }            
        }
    }
    sampleDisplay -> unlock();
    
}

void readInput(){
    
    char ch;
    char input[100]; 
    int index = 0;
    do
    {
        ch = getchar(); 
        if(ch != EOF || ch != '\n'|| ch != ' '){
            input[index] = ch;
            index++;
        }
        
    }while( ch != '\n' || ch != EOF);
    
    if(index > 1){
        
        //Thread stringMutipluation;
        
        //stringMutipluation =7 new Thread(sortString);
        
        
    }
}


// setting up gobal treads to be uses in the program
//Thread producter();
//Thread customer;
//Thread tempTread;
//Thread humTread;
//Thread pressTread(;
//Thread displayTread;
//Thread sampleTread;
Thread inputTread;
Thread deleteRecordTread(deleteRecord);
//Thread setDateTread;
//Thread setTimeTread;
//Thread dsiplaySelectedRecord;
//Thread updateTakeDisplay;
//Thread updateTreadTiming;
//Thread stringMutipluation; 


PwmOut mypwm(PWM_OUT);

DigitalOut myled(LED1);

int main() {
    
    //loop counter
    int i;
    
    int argc;
    
    //verify correct number of arguments passed into buffer
    if(argc != 4){
        fprint(stderr, "USAGE:./main.out <INT> <INT> <INT>\n");
    }
    
    int mainSleepTime = atoi(argv[1]);//time in seconds for main to sleep
    int numProd = atoi(argv[2]); //number of producer threads
    int numCons = atoi(argv[3]); //number of consumer threads
    
    //initialise buffer data
    initialiseBufferData();
    
    //create producer threads
    for(i = 0; i < numProd; i++){
        pthread_create(&tid, &attr, producer, NULL);
    
    }
    
    //create cinsumer threads
    for(i = 0; i < numProd; i++){
        pthread_create(&tid, &attr, consumer, NULL);
    }
    
    //sleep for specified amount of time in ms
    sleep(mainSleepTime);
    
    SampleRate sampleRate =  SampleRate();
    TakeSample takeSample = TakeSample();
    SampleTemp sampleTemp = SampleTemp();
    SampleHumitaty sampleHumitaty = SampleHumitaty();
    SamplePressure samplePressure =  SamplePressure();
    SampleDisplay sampleDisplay = SampleDisplay();
    BufferStartPointer bufferStartPointer = BufferStartPointer();
    BufferEndPointer bufferEndPointer = BufferEndPointer();
    bufferLock = new Mutex();
    
    
    while(1) {
        
        readInput();
        
        
        myled = !myled;
        wait(1);
    }
}