main.cpp

00001 //Filarius Peter Usop
00002 //Mini Project 1
00003 //Uses LEDs, Buttons, Haptic, and OLEd
00004 
00005 #include "mbed.h"
00006 #include "Hexi_OLED_SSD1351.h"
00007 #include "Hexi_KW40Z.h"
00008 #include "Functions.h"
00009 #include "string.h"
00010 
00011 //SSD1351 Driver (OLED) Instantiation
00012 SSD1351 oled(PTB22, PTB21, PTC13, PTB20, PTE6, PTD15);
00013 
00014 Timer t;
00015 
00016 int main (void)
00017 {
00018     //Initialize buttons
00019     Button_Init();
00020     
00021     //Initialize the text properties to default
00022     oled_text_properties_t textProp = {0};
00023     oled.GetTextProperties(&textProp);
00024 
00025     //String Pointer
00026     char text[20];
00027     
00028     //Flag
00029     int flag = 1;
00030 
00031     //Clear screen
00032     oled.DrawBox(0,0,96,96,COLOR_BLACK);
00033     
00034     //Top Title
00035     strcpy((char *) text, "Stopwatch");
00036     textProp.fontColor = COLOR_WHITE;
00037     textProp.alignParam = OLED_TEXT_ALIGN_CENTER;
00038     oled.SetTextProperties(&textProp);
00039     oled.TextBox((const uint8_t *) text,0,0,96,15);
00040     
00041     textProp.fontColor = COLOR_RED;
00042     oled.SetTextProperties(&textProp);
00043     
00044     t.start();  //Start stopwatch. You may remove this line
00045     
00046     //Print to OLED
00047     sprintf(text, "%.0f", t.read());
00048     oled.TextBox((uint8_t *) text,0,40,96,15);
00049     
00050     while (1) {
00051         Thread::wait(1000);         //Refresh every 1 second
00052         if (flag == 1)      //Down button: Stops and resets the stopwatch
00053         {
00054             t.stop();
00055             t.reset();
00056             sprintf(text, "%.0f", t.read());
00057             flag++;
00058         }
00059         else if (flag == 2) //Right button: Starts the stopwatch
00060         {
00061             if (but == 1)
00062             {
00063                 t.start();
00064                 flag++;
00065             }
00066             else if (but == 0) flag--;
00067         }
00068         else if (flag == 3) //Left button: Stops the stopwatch
00069         {
00070             if (but == 2)
00071             {
00072                 t.stop();
00073                 flag--;
00074             }
00075             else if (but == 0) flag = flag-2;
00076         }
00077                 
00078         //Update value on OLED
00079         sprintf(text, "%.0f", t.read());
00080         oled.TextBox((uint8_t *) text,0,40,96,15);
00081     }
00082 }