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 #include "PinDetect.h"
00007 
00008 PinDetect pb1(SWITCH2);
00009 volatile bool keypressed = true;
00010 
00011 // Callback routine is interrupt activated by a debounced pb1 hit
00012 void pb1_hit_callback (void)
00013 {
00014     keypressed = true;
00015 }
00016 
00017 
00018 void Display_Init(void)
00019 {
00020 
00021     /* Set font size, foreground and background Colours */
00022     GUI_SetFont(GUI_FONT_16B_1);
00023     GUI_SetColor(GUI_WHITE);
00024     GUI_SetBkColor(GUI_BLACK);
00025 
00026     /* Clear screen and print splash screen */
00027     GUI_Clear();
00028     GUI_SetTextAlign(GUI_TA_HCENTER);
00029     GUI_DispStringAt("TFT Demo", 160, 20);
00030 }
00031 
00032 int main()
00033 {
00034     uint8 counter = 0;
00035     /* Initialise EmWin driver*/
00036     GUI_Init();
00037 
00038     /* Initialise display */
00039     Display_Init();
00040     pb1.mode(PullUp);
00041     // Delay for initial pullup to take effect
00042     ThisThread::sleep_for(10);
00043     // Setup Interrupt callback functions for a pb hit
00044     pb1.attach_deasserted(&pb1_hit_callback);
00045 
00046     // Start sampling pb inputs using interrupts
00047     pb1.setSampleFrequency();
00048 
00049 
00050     GUI_SetFont(GUI_FONT_8X16X2X2);
00051     GUI_SetTextAlign(GUI_TA_HCENTER);
00052     GUI_DispStringAt("Hello World!", 160, 200);
00053     while(1) {
00054         if(keypressed == true) {
00055             GUI_SetTextAlign(GUI_TA_HCENTER);
00056             GUI_DispBinAt(counter++, 160, 100, 8);
00057             ThisThread::sleep_for(100);
00058             keypressed = false;
00059         }
00060     }
00061 }
00062 
00063 
00064