main.cpp

00001 /* Hello World! for the Emwin TFT Library */
00002 
00003 #include "mbed.h"
00004 #include "GUI.h"
00005 #include "cy8ckit_028_tft.h"
00006 
00007 #define LED_DIAMETER    (25)
00008 #define LED_RADIUS      (LED_DIAMETER/2)
00009 #define DISPLAY_X       (320)
00010 #define DISPLAY_Y       (240)
00011 #define NUMLEDS_X       (DISPLAY_X/LED_DIAMETER)
00012 #define NUMLEDS_Y       (DISPLAY_Y/LED_DIAMETER)
00013 #define LED_OFF         (0)
00014 #define LED_ON          (1)
00015 #define TITLE_OFFSET    (16+LED_RADIUS)      
00016 
00017 void Display_Init(void)
00018 {
00019     /* Initialise EmWin driver*/
00020     GUI_Init();
00021 
00022     /* Set font size, foreground and background Colours */
00023     GUI_SetFont(GUI_FONT_16B_1);
00024     GUI_SetColor(GUI_DARKCYAN);
00025     GUI_SetBkColor(GUI_DARKRED);
00026 
00027     /* Clear screen and print splash screen */
00028     GUI_Clear();
00029     GUI_SetTextAlign(GUI_TA_HCENTER);
00030     GUI_DispStringAt("MONKTON", 100, 0);
00031 }
00032 
00033 int main()
00034 {
00035     /* Initialise display */
00036     Display_Init();
00037 
00038     printf("Starting Supercomputer\r\n");
00039 
00040     GUI_SetFont(GUI_FONT_8X16X2X2);
00041     GUI_SetColor(GUI_DARKYELLOW);
00042     uint8_t array[NUMLEDS_X][NUMLEDS_Y];
00043     for (int j=0; j < NUMLEDS_Y; j++) {
00044         for (int i=0; i < NUMLEDS_X; i++) {
00045             array[i][j]=LED_OFF;
00046             GUI_SetColor(GUI_DARKYELLOW);
00047             GUI_FillCircle(LED_RADIUS+(i)*LED_DIAMETER, TITLE_OFFSET+(j*LED_DIAMETER), LED_RADIUS);
00048         }
00049     }
00050     while(1) {
00051         int ledx = rand()%NUMLEDS_X;
00052         int ledy = rand()%NUMLEDS_Y;
00053         if (array[ledx][ledy]==LED_OFF) {
00054              GUI_SetColor(GUI_YELLOW);
00055              GUI_FillCircle(LED_RADIUS+(ledx)*LED_DIAMETER, TITLE_OFFSET+LED_DIAMETER*(ledy), LED_RADIUS);
00056              array[ledx][ledy] = LED_ON;
00057         }
00058         else {
00059              GUI_SetColor(GUI_DARKYELLOW);
00060              GUI_FillCircle(LED_RADIUS+(ledx)*LED_DIAMETER, TITLE_OFFSET+LED_DIAMETER*(ledy), LED_RADIUS);
00061 //             GUI_FillCircle(8+(ledx)*16, 24+16*(ledy), 8);
00062              array[ledx][ledy] = LED_OFF;
00063         }
00064     }
00065 }
00066 
00067 
00068