IoT Ox / Mbed 2 deprecated MainSketch Featured

Contains the main execution of the clock uses headers to import functions

Dependencies:   RTC-DS1307 SPI_TFT_ILI9341 TFT_fonts mbed tsi_sensor

Fork of TFT_Mikroelectronika_IL9341_sketchpad by Oxford CWM Team

poll.h@49:243b5e826228, 2017-05-26 (annotated)

Committer:
Owenmatthewmcgowan
Date:
Fri May 26 09:37:06 2017 +0000
Revision:
49:243b5e826228
Parent:
40:05798eeadd02 
merge;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mlin 10:9d9b3b9b28b8 1 #include "stdio.h"
mlin 31:3255668e6b08 2 #define PinXm A1
mlin 31:3255668e6b08 3 #define PinXp A0
mlin 31:3255668e6b08 4 #define PinYm A3
mlin 31:3255668e6b08 5 #define PinYp A2
mlin 10:9d9b3b9b28b8 6
mlin 10:9d9b3b9b28b8 7 #include "SPI_TFT_ILI9341.h"
mlin 10:9d9b3b9b28b8 8
mlin 10:9d9b3b9b28b8 9
mlin 10:9d9b3b9b28b8 10
mlin 10:9d9b3b9b28b8 11
mlin 10:9d9b3b9b28b8 12
mlin 10:9d9b3b9b28b8 13
mlin 10:9d9b3b9b28b8 14 // example to test the TFT Display from Mikroelectronika
mlin 10:9d9b3b9b28b8 15
mlin 10:9d9b3b9b28b8 16
mlin 10:9d9b3b9b28b8 17
mlin 10:9d9b3b9b28b8 18 // the display has a backlight switch on board
mlin 10:9d9b3b9b28b8 19 //DigitalOut LCD_LED(PTA4); // may not be needed on mikroelectronika board
mlin 10:9d9b3b9b28b8 20 //DigitalOut pwr(PTD7); // ditto
mlin 10:9d9b3b9b28b8 21
mlin 10:9d9b3b9b28b8 22 // the TFT is connected to SPI pin 5-7
mlin 10:9d9b3b9b28b8 23 //SPI_TFT_ILI9341 TFT(p5, p6, p7, p8, p9, p10,"TFT"); // mosi, miso, sclk, cs, reset, dc for lpc1768
mlin 31:3255668e6b08 24 SPI_TFT_ILI9341 TFT(PTA16, PTA17, PTA15, PTD2, PTD4, PTA13, "TFT"); // mosi, miso, sclk, cs, reset, dc for frdmkl25z
mlin 10:9d9b3b9b28b8 25 //NB better combination to use a coherent 2x4 block for lcd
mlin 10:9d9b3b9b28b8 26 // SPI_TFT_ILI9341 TFT(PTD2, PTD3, PTD1, PTA16, PTA17, PTC16,"TFT"); // mosi, miso, sclk, cs, reset, dc for frdmkl25z
mlin 10:9d9b3b9b28b8 27 // DigitalOut LCD_LED(PTC17);
mlin 10:9d9b3b9b28b8 28 int touching = 0;
mlin 10:9d9b3b9b28b8 29
mlin 10:9d9b3b9b28b8 30 // Subroutine to read the x location of the touch point
mlin 10:9d9b3b9b28b8 31 // need to set x+ to 3V and ground x- then read analogue voltage on ym
mlin 10:9d9b3b9b28b8 32 //nb need to add a check for actual touch as opposed to random crap
mlin 10:9d9b3b9b28b8 33
mlin 10:9d9b3b9b28b8 34
mlin 10:9d9b3b9b28b8 35
mlin 10:9d9b3b9b28b8 36
mlin 10:9d9b3b9b28b8 37
Owenmatthewmcgowan 13:e74e09de81e4 38 int readY()
mlin 10:9d9b3b9b28b8 39 {
mlin 10:9d9b3b9b28b8 40 int delta = 0, xv1 = 0, xv2 = 0, k = 0;
mlin 10:9d9b3b9b28b8 41 int temp1 = 0, temp2 = 0;
mlin 10:9d9b3b9b28b8 42
mlin 31:3255668e6b08 43 AnalogIn yp(PinYp);
mlin 31:3255668e6b08 44 AnalogIn ym(PinYm);
mlin 31:3255668e6b08 45 DigitalOut xp(PinXp);
mlin 31:3255668e6b08 46 DigitalOut xm(PinXm);
mlin 10:9d9b3b9b28b8 47
mlin 11:1da15361a35b 48 xp = 1; // set positive side of x high
mlin 10:9d9b3b9b28b8 49 xm = 0;
mlin 10:9d9b3b9b28b8 50 // dont need to do anyhting to set low side as it should be fine.
mlin 10:9d9b3b9b28b8 51 // but do need to disconnect yp
mlin 10:9d9b3b9b28b8 52 //yp.PinMode(PullNone)
mlin 10:9d9b3b9b28b8 53 delta = 0;
mlin 10:9d9b3b9b28b8 54 for(k = 0; k < 10; k++) { // make 10 readings to average
mlin 10:9d9b3b9b28b8 55 temp1 = (int)ym.read_u16();
mlin 10:9d9b3b9b28b8 56 temp2 = (int)yp.read_u16();
mlin 10:9d9b3b9b28b8 57 xv1 += temp1; // get value
mlin 10:9d9b3b9b28b8 58 xv2 += temp2; // get other value
mlin 10:9d9b3b9b28b8 59 delta += abs(temp1 - temp2) / 10; //gets individual differences
mlin 11:1da15361a35b 60 // pc.printf("val1 = %d - val2 = %d-diff = %d\n\r",temp1,temp2,temp1-temp2);
mlin 10:9d9b3b9b28b8 61 //observing behaviour when touching / nt touching
mlin 11:1da15361a35b 62
mlin 10:9d9b3b9b28b8 63 }
mlin 10:9d9b3b9b28b8 64 //delta=abs(xv2-xv1)/10;
mlin 10:9d9b3b9b28b8 65 if(delta < 300) touching = 1;
mlin 10:9d9b3b9b28b8 66 else touching = 0;
mlin 11:1da15361a35b 67 //pc.printf("delta=%d \t %d\n\r",delta,touching);
mlin 10:9d9b3b9b28b8 68 xp = 0;
mlin 10:9d9b3b9b28b8 69 xm = 0;
mlin 10:9d9b3b9b28b8 70 return (240 - (240 * ((xv2) / 1 / 10 - 5800)) / 51200); //returns the average of both
mlin 10:9d9b3b9b28b8 71 //return(xv2/10); //maybe better to return the average of both....
mlin 10:9d9b3b9b28b8 72 }
mlin 10:9d9b3b9b28b8 73 // subroutine to read y values - has different pin functions ..
Owenmatthewmcgowan 13:e74e09de81e4 74 int readX()
mlin 10:9d9b3b9b28b8 75 {
mlin 31:3255668e6b08 76 DigitalOut yp(PinYp);
mlin 31:3255668e6b08 77 DigitalOut ym(PinYm);
mlin 31:3255668e6b08 78 AnalogIn xp(PinXp);
mlin 31:3255668e6b08 79 AnalogIn xm(PinXm);
mlin 10:9d9b3b9b28b8 80 int delta = 0, yv1 = 0, yv2 = 0, k = 0;
mlin 10:9d9b3b9b28b8 81 int temp1 = 0, temp2 = 0;
mlin 10:9d9b3b9b28b8 82 yp = 1; // set positive sdie of x high
mlin 10:9d9b3b9b28b8 83 ym = 0;
mlin 10:9d9b3b9b28b8 84 // dont need to do anyhting to set low side as it should be fine.
mlin 10:9d9b3b9b28b8 85 // but do need to disconnect yp
mlin 10:9d9b3b9b28b8 86 //yp.PinMode(PullNone)
mlin 10:9d9b3b9b28b8 87 delta = 0;
mlin 10:9d9b3b9b28b8 88 for(k = 0; k < 10; k++) { // make 10 readings to average
mlin 10:9d9b3b9b28b8 89 temp1 = (int)xm.read_u16();
mlin 10:9d9b3b9b28b8 90 temp2 = (int)xp.read_u16();
mlin 10:9d9b3b9b28b8 91 yv1 += temp1; // get value
mlin 10:9d9b3b9b28b8 92 yv2 += temp2; // get other value
mlin 10:9d9b3b9b28b8 93 delta += abs(temp1 - temp2) / 10;
mlin 10:9d9b3b9b28b8 94 //pc.printf("val1 = %d - val2 = %d-diff = %d\n\r",temp1,temp2,temp1-temp2);
mlin 10:9d9b3b9b28b8 95 }
mlin 10:9d9b3b9b28b8 96 //int yval=(int)xm.read_u16(); // get value
mlin 10:9d9b3b9b28b8 97 //pc.printf("yval=%d",yval);
mlin 10:9d9b3b9b28b8 98 yp = 0;
mlin 10:9d9b3b9b28b8 99 ym = 0;
mlin 31:3255668e6b08 100 return ((320 * ((yv2) / 1 / 10 - 3000)) / 58300); // returns X
mlin 10:9d9b3b9b28b8 101 // return(yval);
mlin 10:9d9b3b9b28b8 102
mlin 10:9d9b3b9b28b8 103 }
mlin 10:9d9b3b9b28b8 104
mlin 10:9d9b3b9b28b8 105
mlin 10:9d9b3b9b28b8 106