Curtis Mattull
/
PANEL_GUI_hello_world
basic functional test of FT810 LCD via SPI
main.cpp
- Committer:
- cratliff
- Date:
- 2016-03-14
- Revision:
- 1:7952d133e78c
- Parent:
- 0:aa55c6eb6867
- Child:
- 2:a4c01cf97666
File content as of revision 1:7952d133e78c:
/* Demo for mbed Library for FTDI FT800 Enbedded Video Engine "EVE" Updated for FTDI FT810 driver and 800x480 display. * by Peter Drescher, DC2PD 2014 * Released under the MIT License: http://mbed.org/license/mit */ #include "mbed.h" #include "FT_Platform.h" #include "FT_color.h" #include "stdio.h" #define SAMAPP_DELAY_BTW_APIS (1000) #define SAMAPP_ENABLE_DELAY() Ft_Gpu_Hal_Sleep(SAMAPP_DELAY_BTW_APIS) #define SAMAPP_ENABLE_DELAY_VALUE(x) Ft_Gpu_Hal_Sleep(x) #define Nucleo_F303K8 //#define K22 #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"); #endif #ifdef K22 FT800 TFT(D11,D12,D13,D10,D9,D8); // the FT800 is connected to SPI 5-7, then we have CS, INT, PD #endif //Analog inputs and outputs are normalized AnalogIn Feedback(A0); AnalogOut Control(A3); // global Vars unsigned int r,b,g,PressDown, PressUp, CalVal0, CalVal1, CalVal2, CalVal3, CalVal4 ; double xyz = 10.13; char buffer[50]; // function to convert hue , saturation and value to RGB // see http://en.wikipedia.org/wiki/HSL_and_HSV void hsv2rgb(double H,double S, double V) { double f,h,p,q,t; int i; if( S == 0.0) { 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 < 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; g = t * 255; b = p * 255; break; case 1: r = q * 255; g = V * 255; b = p * 255; break; case 2: r = p * 255; g = V * 255; b = t * 255; break; case 3: r = p * 255; g = q * 255; b = V * 255; break; case 4: r = t * 255; g = p * 255; b = V * 255; break; case 5: default: r = V * 255; g = p * 255; b = q * 255; break; } } /***************************************************************************/ /* Show a Screen with Text for 5 seconds */ /* A spinner shows the delay */ /***************************************************************************/ ft_void_t Start_Screen(ft_char8_t *str) { TFT.DLstart(); // start a new display command list 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 TFT.DL(COLOR_RGB(0x00,0xFF,0x00)); // change current color TFT.Spinner((TFT.DispWidth/2),TFT.DispHeight/4, 0,0); // draw a animated spinner TFT.DL(DISPLAY()); // Display the image TFT.Swap(); // Swap the current display list TFT.Flush_Co_Buffer(); // Download the command list into fifo TFT.WaitCmdfifo_empty(); // Wait till coprocessor completes the operation TFT.Sleep(1000); // Wait 5 s to show } // construct the screen and download it to the LCD void screen_1(unsigned int color,unsigned int bright) { TFT.DLstart(); // start a new display command list TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer 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, CalVal0); //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.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.Text(22, 208, 30, 0, "Brightness");// text Brightness 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.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(VERTEX2II(249,162,0,0)); TFT.DL(COLOR_RGB(0xff,0x0,0xff)); TFT.DL(VERTEX2II(183,123,0,0)); TFT.DL(COLOR_RGB(0xff,0xff,0x0)); TFT.DL(VERTEX2II(317,123,0,0)); TFT.DL(COLOR_RGB(0x0,0xff,0xff)); TFT.DL(VERTEX2II(249,11,0,0)); 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(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(DISPLAY()); // Display the image TFT.Swap(); // Swap the current display list TFT.Flush_Co_Buffer(); // Download the command list into fifo TFT.WaitCmdfifo_empty(); // Wait till coprocessor completes the operation } int main() { unsigned int color = 0,bright = 0; ft_uint32_t TrackRegisterVal = 0; // touch track Start_Screen("5"); // Show start screen Start_Screen("4"); // Show start screen Start_Screen("3"); // Show start screen Start_Screen("2"); // Show start screen Start_Screen("1"); // Show start screen TFT.Calibrate(); // calibrate the touch screen /* Set the tracker for the dial - define the Area for touching */ TFT.Track(249, 86, 1, 1, 1); // Dial - dimension 1,1 means rotary TFT.Track(179, 199, 277, 48, 2); // Slider TFT.Flush_Co_Buffer(); // Download the commands into fifo TFT.WaitCmdfifo_empty(); // Wait till coprocessor completes the operation TFT.RegRead(0x8001,CalVal0); // Read Calibration Value screen_1(color,bright); // paint screen /* the demo is updating the screen in a endless loop */ while(1) { ft_uint8_t tagval = 0; TrackRegisterVal = TFT.Rd32(REG_TRACKER); // check if one of the two tracking fields is touched tagval = TrackRegisterVal & 0xff; if(0 != tagval) { // touch -> get new values if(1 == tagval) { // the dial touched color = TrackRegisterVal>>16; // get the new value } else if(2 == tagval) { // the slider is touched bright = TrackRegisterVal>>16; // get new slider value bright = bright * 255/65536; // scale it down to 255 } else if(3 == tagval) { // the slider is touched PressDown = OPT_FLAT; if(Control <= 0) { Control = 0; } 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) { Control = 1; } else{ Control = Control + 0.01; } // bright = 255; // scale it down to 255 } //xyz = Control; // 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 PressUp = 0; } // end of display loop }