Revision 5:2594b953f111, committed 2017-12-10

Comitter:

thomasmorris

Date:

Sun Dec 10 17:30:00 2017 +0000

Parent:

4:d26b261b76c9

Commit message:

Task 1,5,8 Working

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED.cpp	Sun Dec 10 17:30:00 2017 +0000
@@ -0,0 +1,32 @@
+#include "mbed.h"
+#include "LED.hpp"
+
+
+LED::LED(PinName pinName):pin(pinName)//Constuctor
+//Constuctor runs whenever a new instave of the class is created
+//The constructor has the same name as the class
+//The constructor does not have a return type
+//When called it needs to be given parameters Led redLed(D7);
+{
+    
+}
+
+void LED::switchOn() //type void class is Led function is switchon
+{
+    this->pin =1; //You access the attributes of the class by using the this command and then the name of the attribute
+}
+
+void LED::switchOff()
+{
+    this->pin =0;
+}
+void LED::flash(float time)
+{
+    this->pin = 1;
+    wait(time);
+    this->pin = 0;   
+}
+void LED::Toggle()
+{
+    this->pin= !this->pin;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LED.hpp	Sun Dec 10 17:30:00 2017 +0000
@@ -0,0 +1,21 @@
+#ifndef _LED_HPP_ //Known as header guards
+#define _LED_HPP_
+
+class LED //This creates a class called Led
+{
+    
+//Below are methods of the class these are the opperations the class will support
+public: //The public: word enables the methods to be accessed outside of the class itself
+
+    LED(PinName pinName);
+    void switchOn(); //Void is the return type as no values will be output the return type is void
+    void switchOff();   //SwitchOff is the name of the method/function
+    void flash(float time); //float time is the parameter of the function in this case it creates a floating poi t variable known as time and this is then passed o the function when called.
+    void Toggle();
+    
+private:    //This is used here to make digitalout pin only useable from inside class Led    
+    DigitalOut pin; //DigitalOut is the Class and the object is called pin the object pin is now an attribute of led this is also known as a member variable or field    
+};
+
+
+#endif
\ No newline at end of file

--- a/main.cpp	Thu Dec 07 15:43:01 2017 +0000
+++ b/main.cpp	Sun Dec 10 17:30:00 2017 +0000
@@ -1,19 +1,80 @@
 #include "sample_hardware.hpp"
 #include "Networkbits.hpp"
+#include "rtos.h"
+#include "LED.hpp"
+#define SamplingTime 1
+#define NotSamplingTime 0
+#define TimerInterval 15 //This is in seconds
+
+Serial pc(USBTX, USBRX);
 
 // This is a very short demo that demonstrates all the hardware used in the coursework.
 // You will need a network connection set up (covered elsewhere). The host PC should have the address 10.0.0.1
+//Thread ID
+osThreadId idMain;
+osThreadId id1;
+osThreadId id2;
+osThreadId id3;
+osThreadId id4;
 
+LED Red_led(PE_15);
+LED Yellow_led(PB_10);
+LED Green_led(PB_11);
+
+Ticker Sample_timer;
 //Threads
 Thread nwrkThread;
- 
+Thread t1;
+Thread t2;
+
+void Serial_Comms()//Thread for Serial Communications
+{
+    pc.printf("Hello World \n");
+    while(1)
+    {
+        pc.printf("Test\n");
+        Thread::wait(1000);   
+    }
+}
+
+void Sample_signal_set()//Sets the Signal for when to sample the sensors
+{
+    t1.signal_set(SamplingTime);   
+}
 
-int main() {
+void Sample()//Samples the hardware and prints the result to the LCD
+{
+    while(1)
+    {     
+        Thread::signal_wait(SamplingTime);
+        //Read environmental sensors
+        double temp = sensor.getTemperature();
+        double pressure = sensor.getPressure();
+        double lux = adcIn.read();
+        //Write new data to LCD (not fast!)
+        lcd.cls();
+        lcd.printf("Temp Pres  li\n"); 
+        lcd.printf("%1.1f ",temp);
+        lcd.printf("%1.1f ",pressure);
+        lcd.printf("%1.1f\n",lux);
+        
+        //Write to SD (potentially slow)
+        //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure);
+    
+        Red_led.Toggle();
+        t1.signal_set(NotSamplingTime);
+        //Thread::wait(15000);//Time interval
+    }
+} 
+
+int main() 
+{  
     //Greeting
     printf("Testing\n\n");    
     
-    //Power on self test
-    post();
+    pc.baud(9600);//Sets the Serial Comms Baud Rate
+    
+    post();//Power on Self Test
     
     //Initialise the SD card (this needs to move)
     if ( sd.init() != 0) {
@@ -38,26 +99,29 @@
     //Last message before sampling begins
     lcd.cls();
     lcd.printf("READY\n\n");
-        
-        
+    
+    //Run interrupt
+    Sample_timer.attach(&Sample_signal_set,TimerInterval);
+    
+    //Run Threads
+    
+    
+    t1.start(Sample);
+    t2.start(Serial_Comms);
+    
+    //Main thread ID
+    
+    idMain = osThreadGetId();   //CMSIS RTOS call
+    
+    //Thread ID
+    id1 = t1.gettid();
+    id2 = t2.gettid();
+    
+    
+    //Toggle Green LED after a button has been pressed
     //Press either switch to unmount
     while ((SW1 == 0) && (SW2 == 0)) {
-        
-        //Base loop delay
-        wait(1.0);
-        
-        //Read environmental sensors
-        double temp = sensor.getTemperature();
-        double pressure = sensor.getPressure();
-        
-        //Write new data to LCD (not fast!)
-        lcd.cls();
-        lcd.printf("Temp   Pressure\n"); 
-        lcd.printf("%6.1f ",temp);
-        lcd.printf("%.2f\n",pressure);
-        
-        //Write to SD (potentially slow)
-        fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure);
+    
     }
     
     //Close File
@@ -69,7 +133,6 @@
     lcd.cls();
     lcd.printf("Unmounted...\n\n");
     
-    //Flash to indicate goodness
     while(true) {
         greenLED = 1;
         wait(0.5);