File content as of revision 1:7e2d93d70d2b:

#include "mbed.h"
#include "SPI_TFT_ILI9341.h"
#include "Arial12x12.h"
#include "Arial28x28.h"
#include "touch_tft.h"
#include "USBMIDI.h"


// the TFT is connected to SPI pin 5-7
// the touch is connected to 19,20,16,17

touch_tft tft(p20,p19,p18,p17,p5, p6, p7, p14, p15, p21, "TFT"); // x+,x-,y+,y-,mosi, miso, sclk, cs, reset, dc

/* void show_message(MIDIMessage msg) {
    switch (msg.type()) {
        case MIDIMessage::NoteOnType:
            printf("NoteOn key:%d, velocity: %d, channel: %d\n", msg.key(), msg.velocity(), msg.channel());
            break;
        case MIDIMessage::NoteOffType:
            printf("NoteOff key:%d, velocity: %d, channel: %d\n", msg.key(), msg.velocity(), msg.channel());
            break;
        case MIDIMessage::ControlChangeType:    
            printf("ControlChange controller: %d, data: %d\n", msg.controller(), msg.value());
            break;
        case MIDIMessage::PitchWheelType:
            printf("PitchWheel channel: %d, pitch: %d\n", msg.channel(), msg.pitch());
            break;
        default:
            printf("Another message\n");
    }    
} 
USBMIDI midi; */

void buttons(int b, unsigned short color) {            //button field
        
        if (b == 1) { 
            tft.fillrect(3,88,78,158,color); 
        }
        if (b == 2) {
            tft.fillrect(83,88,158,158,color);            
        }
        if (b == 3) {
            tft.fillrect(163,88,238,158,color); 
        }
                           
        if (b == 4) {
            tft.fillrect(3,163,78,238,color);
        }
        if (b == 5) {       
            tft.fillrect(83,163,158,238,color); 
        }            
        if (b == 6) {     
            tft.fillrect(163,163,238,238,color);
        }   
             
        if (b == 7) {
            tft.fillrect(3,243,78,318,color);
        }     
        if (b == 8) {
            tft.fillrect(83,243,158,318,color); 
        }
        if (b == 9) {
            tft.fillrect(163,243,238,318,color);
        }
        
}

void draw_buttons(unsigned short color) {
                
                unsigned int i = 1;
                
                for (i = 1; i<10; i++){                                         //draw buttons
                buttons(i, color);
                }
                
}

int main() {
    
    point p;
    unsigned short color = White;

    tft.claim(stdout);        // send stdout to the TFT display
    tft.background(Black);    // set background to black
    tft.foreground(White);    // set chars to white
    tft.cls();                // clear the screen
    tft.set_font((unsigned char*) Arial28x28);  // select the font
    
    tft.set_orientation(0);
    tft.calibrate();
    
    tft.locate(0,0);
    printf(" MIDIMAN! "); 
    tft.line(0,83,239,83,White);   
    
    while (1) {
        
        color = White;
        draw_buttons(color);        
        
        while (tft.is_touched(tft.get_touch())) {                       // touch
            p = tft.get_touch();
        
            p = tft.to_pixel(p);                                      // convert to pixel pos
            
            if (p.y > 88 && p.y < 158) {                            //which column    
                if (p.x > 3 && p.x < 78) {            
                    buttons(1, Red);                                                  
                }
            }
            if (p.y > 163 && p.y < 238) {                            //which column    
                if (p.x > 83 && p.x < 158) {            
                    buttons(5, Red);                                                  
                }
            }
        } 
        
    }
    
    
            
    /* 
    midi.attach(show_message);         // call back for messages received    
    while (1) {    
        for(int i=48; i<83; i++) {     // send some messages!
            midi.write(MIDIMessage::NoteOn(i));
            wait(0.25);
            midi.write(MIDIMessage::NoteOff(i));
            wait(0.5);
        }
    }
    */
    
}