Diff: main.h

Revision:

0:ec64ecaac130

Child:

1:d320c79324fe

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Sat May 02 23:17:39 2015 +0000
@@ -0,0 +1,251 @@
+/**
+@file main.h
+@brief Header file containing functions prototypes, defines and global variables.
+@brief Doxygen documentation.
+@brief Wheather Station.
+@author Panayiotis Rodosthenous
+@date   March 2015
+*/
+
+#ifndef MAIN_H
+#define MAIN_H
+ 
+#define PI 3.14159265359
+ 
+#include "mbed.h"
+#include "N5110.h"
+#include "BMP180.h"
+#include "PowerControl/PowerControl.h"
+#include "PowerControl/EthernetPowerControl.h"
+#include "beep.h"
+
+/**  
+@namespace bmp180
+@brief Assign sensor pins to the mbed
+*/
+BMP180 bmp180(p28,p27);   // SDA, SCL
+
+/**  
+@namespace serial
+@brief Serial connection for presenting data to pc
+*/
+Serial serial(USBTX,USBRX); //tx,rx
+
+/**  
+@namespace pc
+@brief Serial connection for presenting data to serial
+*/
+Serial pc(USBTX,USBRX); //tx,rx
+
+/**  
+@namespace lcd
+@brief Assign the LCD pins to the mbed
+*/
+N5110 lcd(p7,p8,p9,p10,p11,p13,p26);    ///VCC,SCE,RST,D/C,MOSI,SCLK,LED
+
+/**  
+@namespace local
+@brief Location to create a file for data logging
+*/
+LocalFileSystem local("local"); 
+
+/**  
+@namespace buzzer
+@brief GPIO output for warning buzzer 
+*/
+Beep buzzer(p21);
+
+/**  
+@namespace button4
+@brief GPIO input for main screen button
+*/
+DigitalIn button4(p19); 
+
+/**  
+@namespace button
+@brief ISR input for temperature graph button
+*/
+InterruptIn button(p18);  
+
+/**  
+@namespace button2
+@brief ISR input for pressure graph button
+*/
+InterruptIn button2(p17);  
+  
+/**  
+@namespace button3
+@brief ISR input for changing the units button
+*/
+InterruptIn button3(p16);
+
+/**  
+@namespace switch_logging
+@brief GPIO input for data logging switch
+*/
+DigitalIn switch_logging(p15);
+
+/**  
+@namespace ain
+@brief GPIO analogue input for brightness potentiometer
+*/
+AnalogIn ain(p20);   
+
+/**  
+@namespace green
+@brief GPIO output for status green LED
+*/
+DigitalOut green(p25);
+
+/**  
+@namespace red
+@brief GPIO output for status red LED
+*/
+DigitalOut red(p24);
+
+/**  
+@namespace leds
+@brief Bus output for status on-board LED
+*/
+BusOut leds(LED4,LED3,LED2,LED1);   //bus for on-board LEDs
+
+/**  
+@namespace timerReading
+@brief Ticker for reading the sensor
+*/
+Ticker timerReading;
+
+/**  
+@namespace timer
+@brief Ticker for getting current time
+*/
+Ticker timer;
+
+/**  
+@namespace timerFiles
+@brief Ticker for writing data to file
+*/
+Ticker timerFiles;  
+
+/**  
+@namespace timerClearScreen
+@brief Ticker for clearing the LCD
+*/
+Ticker timerClearScreen;
+
+int readingFlag = 0;  /*!< reading flag set in ISR */
+int timerFlag = 0;  /*!< timer flag set in ISR */
+int timerFilesFlag = 0; /*!< timerFiles flag set in ISR */
+int setTimeFlag = 0; /*!< setTime flag set in ISR */
+int graphTempFlag = 0;  /*!< graphTemp flag set in ISR */
+int graphPresFlag = 0;  /*!< graphPres flag set in ISR */
+int unitsFlag = 0;  /*!< units flag set in ISR */
+int clearFlag = 0; /*!< celar flag set in ISR */
+int i = 0;  /*!< variable i used as index in print() */
+
+char rxString[16];  /*!< string used to transfer current time into the buffer */
+char bufferT[14];   /*!< buffer used to store current time */
+char bufferD[14];   /*!< buffer used to store current date */
+
+float temperature;  /*!< variable used to store current temperature */
+float pressure;     /*!< variable used to store current pressure */
+float array[84];    /*!< array used to store temperature readings */
+float array2[84];   /*!< array used to store pressure readings */
+
+/** Update
+    *
+    *   Prints and updates the thermometer presented on the main screen.
+    *   For each specified range of temperatures adds or removes pixels from inside the thermometer.
+    *   Introduces a live update on the main screen.
+    */
+void update();
+
+/** Print
+    *
+    *   Prints the different screens on the LCD.
+    *   According to the buttons status-flags, a different screen is presented. Buttons are used as interrupts.
+    *   Includes the update() function.
+    *   -Button 1: Print the temperature graph with the average temperature and weather prediction. Disables button 2.
+    *   -Button 2: Print the pressure graph with the average pressure and weather prediction. Disables button 1.
+    *   -Button 3: Converts the temperature and pressure units on the main screen. When one of buttons 1 or 2 is previously pressed, it removes the average and weather predictions from screen.
+    *   -No button pressed: Displays the main screen.
+    */
+void print();
+
+/** Write Data to File
+    *
+    *   Logs the time, temperature and pressure on a .csv file on the mbed Flash memory.
+    *   It called when the logging switch is ON.
+    *   A ticker is used to call this function. Logs data every 10 sec.
+    *   @param  time - the current time taken from setTime() function.
+    *   @param  temperature - the current temperature read from sensor.
+    *   @param  temperature - the current tpressure read from sensor.
+    *   @returns
+    *       log.csv - file with parameters in comma separated format stored on mbed. 
+    */
+void writeDataToFile(float tempereture,char* time,float pressure);
+
+/** Serial ISR
+    *
+    *   This is an ISR function, called when serial data is received.
+    *   Gets the time rxString.
+    */
+void serialISR(); 
+
+/** Set Time
+    *
+    *   This function sets the UNIX time.
+    *   Updates the time, bu converting the time string into an integer value.
+    */
+void setTime();
+
+/** Timer Expired Reading
+    *
+    *   This function sets the reading flag high when called.
+    *   Attached to the timerReading ticker.
+    */
+void timerExpiredReading();
+
+/** Timer Expired Time
+    *
+    *   This function sets the timer flag high when called.
+    *   Attached to the timer ticker.
+    */
+void timerExpiredTime();
+
+/** Timer Expired Files
+    *
+    *   This function sets the timerFiles flag high when called.
+    *   Attached to the timerFiles ticker.
+    */
+void timeExpiredFiles();
+
+/** Timer Expired Clear
+    *
+    *   This function sets the clear flag high when called.
+    *   Attached to the clearScreen ticker.
+    */
+void timerExpiredClear();
+
+/** Button for Temperature Pressed
+    *
+    *   This function toggles the graphTemp flag when button is pressed.
+    *   Attached to the button interrupt configuration.
+    */
+void buttonTempPressed();
+
+/** Button for Pressure Pressed
+    *
+    *   This function toggles the graphPres flag when button2 is pressed.
+    *   Attached to the button2 interrupt configuration.
+    */
+void buttonPresPressed();
+
+/** Button for Units Pressed
+    *
+    *   This function toggles the units flag when button3 is pressed.
+    *   Attached to the button3 interrupt configuration.
+    */
+void buttonUnitsPressed();
+
+#endif
\ No newline at end of file