Curtis Mattull
basic functional test of FT810 LCD via SPI
Diff: main.cpp
- Revision:
- 3:f47fe17b34a1
- Parent:
- 2:a4c01cf97666
--- a/main.cpp Wed Mar 16 12:06:43 2016 +0000
+++ b/main.cpp Fri Mar 18 16:48:19 2016 +0000
@@ -7,6 +7,7 @@
#include "FT_Platform.h"
#include "FT_color.h"
#include "stdio.h"
+#include "SDFileSystem.h"
#define SAMAPP_DELAY_BTW_APIS (1000)
@@ -14,12 +15,12 @@
#define SAMAPP_ENABLE_DELAY_VALUE(x) Ft_Gpu_Hal_Sleep(x)
//#define Nucleo_F303K8
-#define K20
+#define K20B
#ifdef Nucleo_F303K8
FT800 TFT(PB_5,PB_4,PB_3,PA_11,PA_8,PF_1); // the FT800 is connected to SPI 5-7, then we have CS, INT, PD
-//SDFileSystem sd(D11, D12, D13, D7, "sd");
+//SDFileSystem sd(D11, D12, D13, D7, "sd");
#endif
#ifdef K22
@@ -28,19 +29,28 @@
#ifdef K20 //this is the teensy 3.1/3.2
+FT800 TFT(D11,D12,D13,D9,D8,D14); // the FT800 is connected to SPI 5-7, then we have CS, INT, PD
+SDFileSystem sd(D11, D12, D13, D10, "sd", D7); // the pinout on the mbed Cool Components workshop board
+#endif
+
+#ifdef K20B //this is the teensy 3.1/3.2 Bench
FT800 TFT(D11,D12,D13,D10,D9,D8); // the FT800 is connected to SPI 5-7, then we have CS, INT, PD
+SDFileSystem sd(D11, D12, D13, D6, "sd", D5); // the pinout on the mbed Cool Components workshop board
+#include "USBSerial.h"
+USBSerial spc; // Virtual serial port over USB
#endif
//Analog inputs and outputs are normalized
-AnalogIn Feedback(A0);
+AnalogIn Feedback(A0);
AnalogOut Control(DAC);
// global Vars
unsigned int r,b,g,PressDown, PressUp, CalVal0, CalVal1, CalVal2, CalVal3, CalVal4 ;
double xyz = 10.13;
char buffer[50];
-uint8_t cali[24];
+uint8_t tcal[24]; //Touch screen Calibration
+char tstr[30]; // Temp location for Touch Screen Calibration
// function to convert hue , saturation and value to RGB
// see http://en.wikipedia.org/wiki/HSL_and_HSV
@@ -49,27 +59,27 @@
double f,h,p,q,t;
int i;
if( S == 0.0) {
- r = V * 255;
+ r = V * 255;
g = V * 255;
b = V * 255;
return;
}
if(H > 480.0) H = 0.0; // check values
- if(S > 1.0) S = 1.0;
+ if(S > 1.0) S = 1.0;
if(S < 0.0) S = 0.0;
if(V > 1.0) V = 1.0;
if(V < 0.0) V = 0.0;
-
+
h = H / 60.0;
i = (int) h;
f = h - i;
p = V * (1.0 - S);
q = V * (1.0 - (S * f));
t = V * (1.0 - (S * (1.0 - f)));
-
+
switch(i) {
case 0:
- r = V * 255;
+ r = V * 255;
g = t * 255;
b = p * 255;
break;
@@ -99,7 +109,7 @@
g = p * 255;
b = q * 255;
break;
- }
+ }
}
@@ -114,7 +124,7 @@
TFT.DL(CLEAR_COLOR_RGB(255,255,255)); // set the clear color to white
TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
-
+
TFT.DL(COLOR_RGB(0x80,0x80,0x00)); // set current color
TFT.Text((TFT.DispWidth/2), TFT.DispHeight/2, 31, OPT_CENTERX, str); // draw Text with font 31
TFT.Text((TFT.DispWidth/2), 350, 31, OPT_CENTERX, "Brew Panel!"); // draw Text with font 31
@@ -137,62 +147,62 @@
TFT.DL(COLOR_RGB(0xff,0xff,0xff)); // set current color to white
sprintf(buffer, "%.2f", xyz);
TFT.Text(500, 71, 31, 0, buffer);
- TFT.Number(500, 120, 31,0, cali[0]);
-
+
+
//TFT.Number(545, 135, 31, 0, printf(buffer, "%f", xyz));
TFT.DL(TAG(1)); // assign TAG value 1
//TFT.FgColor(COLOR_RGB(0xff,0,0)); // forground color red
- TFT.Dial(249, 86, 55, 0, color); // dial for color
+ TFT.Dial(249, 86, 55, 0, color); // dial for color
TFT.DL(TAG(2)); // assign TAG value 2
//TFT.FgColor(COLOR_RGB(0,0xff,0)); // forground color green
- TFT.Slider(196, 215, 236, 21, 0, bright , 255); // slider for brightness
- TFT.Text(22, 84, 30, 0, "Color"); // text Color
+ TFT.Slider(196, 215, 236, 21, 0, bright , 255); // slider for brightness
+ TFT.Text(22, 84, 30, 0, "Color"); // text Color
TFT.Text(22, 208, 30, 0, "Brightness");// text Brightness
- TFT.DL(TAG(3)); // assign TAG value 2
+ TFT.DL(TAG(3)); // assign TAG value 2
TFT.Button(22, 300,200,100,31,PressDown,"Down!"); //test button
TFT.GradColor(COLOR_RGB(0xff,0,0));
- TFT.DL(TAG(4)); // assign TAG value 2
+ TFT.DL(TAG(4)); // assign TAG value 2
TFT.Button(250, 300,200,100,31,PressUp,"Up!"); //test button
TFT.DL(COLOR_RGB(0xff,0xff,0xff)); // set current color to white
-
- TFT.DL(POINT_SIZE(100)); // color point around the dial
- TFT.DL(BEGIN(FTPOINTS));
- TFT.DL(COLOR_RGB(0x0,0x0,0xff)); // color of next point
- TFT.DL(VERTEX2II(183,47,0,0)); // set point x,y
- TFT.DL(COLOR_RGB(0xff,0x0,0x0));
+
+ TFT.DL(POINT_SIZE(100)); // color point around the dial
+ TFT.DL(BEGIN(FTPOINTS));
+ TFT.DL(COLOR_RGB(0x0,0x0,0xff)); // color of next point
+ TFT.DL(VERTEX2II(183,47,0,0)); // set point x,y
+ TFT.DL(COLOR_RGB(0xff,0x0,0x0));
TFT.DL(VERTEX2II(249,162,0,0));
- TFT.DL(COLOR_RGB(0xff,0x0,0xff));
+ TFT.DL(COLOR_RGB(0xff,0x0,0xff));
TFT.DL(VERTEX2II(183,123,0,0));
- TFT.DL(COLOR_RGB(0xff,0xff,0x0));
+ TFT.DL(COLOR_RGB(0xff,0xff,0x0));
TFT.DL(VERTEX2II(317,123,0,0));
- TFT.DL(COLOR_RGB(0x0,0xff,0xff));
+ TFT.DL(COLOR_RGB(0x0,0xff,0xff));
TFT.DL(VERTEX2II(249,11,0,0));
- TFT.DL(COLOR_RGB(0x0,0xff,0x00));
+ TFT.DL(COLOR_RGB(0x0,0xff,0x00));
TFT.DL(VERTEX2II(317,50,0,0));
TFT.DL(SCISSOR_XY(10,10)); // define sub area starting at 10,10
- TFT.DL(SCISSOR_SIZE(50,50)); // size 50,50
- hsv2rgb(color /65536.0 * 360,1.0,bright / 255.0); // calculate rgb color from settings
+ TFT.DL(SCISSOR_SIZE(50,50)); // size 50,50
+ hsv2rgb(color /65536.0 * 360,1.0,bright / 255.0); // calculate rgb color from settings
TFT.DL(CLEAR_COLOR_RGB(r,b,g)); // set filling color to r,g,b
- TFT.DL(CLEAR(1,1,1)); // fill the area
-
-
-
-
+ TFT.DL(CLEAR(1,1,1)); // fill the area
+
+
+
+
- /* TFT.DL(SCISSOR_XY(500,10)); // define sub area starting at 10,10
- TFT.DL(SCISSOR_SIZE(200,200)); // size 200,200
- hsv2rgb(color /65536.0 * 360,1.0,bright / 255.0); // calculate rgb color from settings
- TFT.DL(CLEAR_COLOR_RGB(r,b,g)); // set filling color to r,g,b
- TFT.DL(CLEAR(1,1,1)); // fill the area
+ /* TFT.DL(SCISSOR_XY(500,10)); // define sub area starting at 10,10
+ TFT.DL(SCISSOR_SIZE(200,200)); // size 200,200
+ hsv2rgb(color /65536.0 * 360,1.0,bright / 255.0); // calculate rgb color from settings
+ TFT.DL(CLEAR_COLOR_RGB(r,b,g)); // set filling color to r,g,b
+ TFT.DL(CLEAR(1,1,1)); // fill the area
- TFT.DL(SCISSOR_XY(500,210)); // define sub area starting at 10,10
- TFT.DL(SCISSOR_SIZE(200,200)); // size 200,200
- hsv2rgb(color /65536.0 * 360,1.0,bright / 255.0); // calculate rgb color from settings
- TFT.DL(CLEAR_COLOR_RGB(r,b,g)); // set filling color to r,g,b
- TFT.DL(CLEAR(1,1,1)); // fill the area
- */
+ TFT.DL(SCISSOR_XY(500,210)); // define sub area starting at 10,10
+ TFT.DL(SCISSOR_SIZE(200,200)); // size 200,200
+ hsv2rgb(color /65536.0 * 360,1.0,bright / 255.0); // calculate rgb color from settings
+ TFT.DL(CLEAR_COLOR_RGB(r,b,g)); // set filling color to r,g,b
+ TFT.DL(CLEAR(1,1,1)); // fill the area
+ */
TFT.DL(DISPLAY()); // Display the image
TFT.Swap(); // Swap the current display list
TFT.Flush_Co_Buffer(); // Download the command list into fifo
@@ -208,12 +218,12 @@
unsigned int color = 0,bright = 0;
ft_uint32_t TrackRegisterVal = 0; // touch track
-
- // Flip Screen 180 degree so viewing angle is better
+
+ // Flip Screen 180 degree so viewing angle is better
TFT.MemWrite(REG_ROTATE, 1);
- TFT.Rotate(1);
-
-
+ TFT.Rotate(1);
+
+
Start_Screen("5"); // Show start screen
Start_Screen("4"); // Show start screen
@@ -221,15 +231,53 @@
Start_Screen("2"); // Show start screen
Start_Screen("1"); // Show start screen
+
+ int i;
+
+
+ // Open Touch Screen Calibration data
+ FILE *fp = fopen("/sd/TCal/TCalData.txt", "a");
+ fp= fopen("/sd/TCal/TCalData.txt", "r");
+ if(!fp) {
+ spc.printf("Could not open file for read\n");
+ //Could not open file for read
+
+ TFT.Calibrate(); // calibrate the touch screen
+ spc.printf("Calibrating\n");
+ TFT.read_calibrate(tcal); // Read in cal data from screen
+ //fclose(fp);
+ //Convert from Int to Char to save to SD card
+ for (i = 0; i < 25; i++) {
+ tstr[i] = tcal[i];
+ }
+
+ //Open file for to save calibration data
+ mkdir("/sd/TCal", 0777);
+ FILE *fp = fopen("/sd/TCal/TCalData.txt", "w");
+ fprintf(fp, tstr);
+ fclose(fp);
+ }
+ else {
+ spc.printf("Reading in Data\n");
+ //Read in calibration Data
+ fread(tstr,24,1,fp);
+ //Convert from Char to Int
+ for (i = 0; i < 24; i++) {
+ tcal[i] = tstr[i];
+ }
+ TFT.write_calibrate(tcal); // write cal data to screen
+
+ }
+
//if we have calibration data then write else calibrate
//Read from SD
//if good{
//TFT.write_calibrate(cali); }
//else
- TFT.Calibrate(); // calibrate the touch screen
- TFT.read_calibrate(cali);
+ //TFT.Calibrate(); // calibrate the touch screen
+ //TFT.read_calibrate(cali);
//save cal to SD card
-
+
/* Set the tracker for the dial - define the Area for touching */
TFT.Track(249, 86, 1, 1, 1); // Dial - dimension 1,1 means rotary
@@ -239,8 +287,8 @@
TFT.RegRead(0x8001,CalVal0); // Read Calibration Value
TFT.RegRead(0x8002,CalVal1); // Read Calibration Value
TFT.RegRead(0x8003,CalVal2); // Read Calibration Value
-
-
+
+
screen_1(color,bright); // paint screen
/* the demo is updating the screen in a endless loop */
@@ -256,36 +304,31 @@
bright = bright * 255/65536; // scale it down to 255
} else if(3 == tagval) { // the slider is touched
PressDown = OPT_FLAT;
- if(Control <= 0)
- {
+ if(Control <= 0) {
Control = 0;
- }
- else{
+ } else {
Control = Control - 0.01;
- }
- // bright = 0; // scale it down to 255
}
- else if(4 == tagval) { // the slider is touched
- PressUp = OPT_FLAT;
- if(Control >= 1)
- {
+ // bright = 0; // scale it down to 255
+ } else if(4 == tagval) { // the slider is touched
+ PressUp = OPT_FLAT;
+ if(Control >= 1) {
Control = 1;
- }
- else{
+ } else {
Control = Control + 0.01;
- }
- // bright = 255; // scale it down to 255
+ }
+ // bright = 255; // scale it down to 255
}
-
+
//xyz = Control;
- // screen_1(color,bright); // paint new screen
- // TFT.Sleep(10); // wait 10ms for next check
+ // screen_1(color,bright); // paint new screen
+ // TFT.Sleep(10); // wait 10ms for next check
}
-
+
xyz = Feedback;
screen_1(color,bright); // paint new screen
TFT.Sleep(10); // wait 10ms for next time to repaint the screen
- PressDown = 0; // Clear Buttons being pressed
+ PressDown = 0; // Clear Buttons being pressed
PressUp = 0;
} // end of display loop
}