Curtis Mattull
basic functional test of FT810 LCD via SPI
Diff: main.cpp
- Revision:
- 23:0045679060e3
- Parent:
- 22:2bdc80e45f3b
--- a/main.cpp Sat Sep 17 15:07:57 2016 +0000
+++ b/main.cpp Sun Oct 02 04:54:20 2016 +0000
@@ -1,241 +1,49 @@
-/*
-Title Block
-** Project : PANEL_GUI_BASE
-** Engineers : Curtis Mattull
-** Processor : MK22
-** Version : 1.0
-** Compiler : mbed
-** Date : 9/17/2016
-** Abstract : This program serves as a starting point for most applications requiring a touch screen menu.
- Note :
+/* Curtis Mattull
+ 10/1/16
+ This simple program tests LCD SPI functionality
*/
-
#include "mbed.h"
#include "FT_Platform.h"
-#include "FT_color.h"
-#include "stdio.h"
-#include "string.h"
-#include "float.h"
-#include "SDFileSystem.h"
-#include "FATFileSystem.h"
-#include "DigitalIn.h"
-#include "nRF24L01P.h"
-#include "time.h"
-/************************
- function prototypes
-*************************/
-
-//for display type
-void rotate_newhaven(void);
-void rotate_beyondtek(void);
-//for gui states
-void gui_manager(void);
-void main_menu(uint32_t tracker, uint8_t tag); // main menu 0
-void mode_a(uint32_t tracker, uint8_t tag); // mode A 1
-void mode_b(uint32_t tracker, uint8_t tag); // mode B 2
-void mode_c(uint32_t tracker, uint8_t tag); // mode C 3
-//for plot states
-void plot_nothing(void);
-void plot_square(void);
-void plot_triangle(void);
-void plot_sine(void);
-void collect_data(void);
-//for sd card
-uint8_t read_calibration(void);
-uint8_t sd_test(void);
-uint8_t bitmap_test(uint16_t x,uint16_t y);
-int8_t Load_jpg(char* filename, ft_int16_t* x_size, ft_int16_t* y_size, ft_uint32_t address);
-//general use
-void display_message(uint8_t error, const ft_char8_t *pass, const ft_char8_t *fail);
-void start_screen(ft_char8_t *str);
-void error_screen(ft_char8_t *str1, ft_char8_t *str2);
-
-/************************
- function pointers
-*************************/
-
-void (*draw_screen[4])(uint32_t tracker, uint8_t tag) = { main_menu, // 0
- mode_a, // 1
- mode_b, // 2
- mode_c
- }; // 3
-
-void (*plot[4])(void) = { plot_nothing, // 0
- plot_square, // 1
- plot_triangle, // 2
-// plot_sine
- collect_data
- }; // 3
-
-
-
-void (*display_rotate[2])() = { rotate_newhaven, // 0
- rotate_beyondtek
- }; // 1
-
-/************************
- global objects and variables
-*************************/
+void screen1(uint32_t tracker, uint8_t tag);
+void rotate_screen(uint8_t val);
// create an LCD object
-FT800 TFT ( PTD6, PTD7, PTD5, PTE0, PTB19, PTA1 );
-// ( mosi, miso, sclk, ss, intr, pd );
-
-// create an RF object
-nRF24L01P RF ( PTD2, PTD3, PTD1, PTD4, PTC11, PTD0);
-// ( mosi, miso, sck, csn, ce, irq)
-
-
-////Create an SDFileSystem object
-SDFileSystem sd ( PTD2, PTD3, PTD1, PTC4, "sd");
-////SDFileSystem( mosi, miso, sclk, ss, name);
-
-
-
-DigitalIn sdcard_present(PTB16,PullDown); // SD card detect input pin. card_present() is the name of a function within the SDFileSystem Class!!!
-AnalogIn analog_in9(A0);
-
-const uint8_t font_button = 28,
- font_title = 31,
- font_author = 21;
-
-const ft_char8_t text_menu[32] = {"Main Menu\0"},
- text_a[32] = {"A\0"},
- text_b[32] = {"B\0"},
- text_c[32] = {"C\0"},
- text_back[32] = {"Back\0"},
- text_author[32] = {"by Curtis Mattull\0"},
- text_time[32] = {"Run time [s]: \0"};
-
-int16_t i = 0x00;
-static const uint32_t mask_reg_tracker_tag = 0x0000FFFF;
-static const uint32_t mask_reg_tracker_tracker = 0xFFFF0000;
-static const uint8_t mask_tag = 0xFF;
-
-char buffer[50]; // temporary buffer for writing characters to the LCD
-
-ft_int16_t x_size, y_size; // stores size data for loaded jpegs, not currently used
-
-/************************
- function: main()
- description:
- -calibrate touch screen
- -display welcome screen
- -manages touch screen input, system states, and calls draw_screen functions
-*************************/
-int main()
+FT800 TFT( PTD6, PTD7, PTD5, PTD4, PTB19, PTA1);
+// ( mosi, miso, sclk, ss, intr, pd );
+RawSerial terminal(USBTX, USBRX); // computer to mbed board
+int main(void)
{
-// static const uint8_t display_type = 0x00; //not beyondtek display
- static const uint8_t display_type = 0x01;
- uint8_t error[4] = { 0x00, // sd_test error
- 0x00, // load_bitmap error
- 0x00, // bitmap write error
- 0x00
- }; // gui_manager error
-
- (*display_rotate[display_type])(); // for proper orientation
- error[3] = read_calibration();
- display_message( error[3], "touch calibration load success!\0", "touch calibration save success!\0");
- TFT.Sleep(500);
-
- // //load jpg into graphics ram
-// error[1] = Load_jpg("/sd/Logo.jpg", &x_size, &y_size, RAM_G);
-// display_message( error[1], "load jpg success!\0", "load jpg failed!\0");
-// TFT.Sleep(100); // Wait ___ to show
+ terminal.baud(9600);
+ printf("main entered\r\n");
+ rotate_screen(1);
+ set_time(0); // Set RTC time to 0
-// RF.powerUp();
-// RF.setTransferSize( TRANSFER_SIZE );
-// RF.setReceiveMode();
-// RF.enable();
-
- set_time(0); // Set RTC time to 0
-
- //draw initial screen
- main_menu(0x0,0x0);
- //program should not return from gui_manager...
- gui_manager();
-
- // Wait ___ to show
- display_message( 0x1, "\0", "gui_manager failed!\0");
- while(1) {
- TFT.Sleep(1000);
+ //draw screen
+ for(;;)
+ {
+// screen1(0x0,0x0);
+ wait(1);
}
-
+
return 0;
}
-
-
-/************************
- function: rotate_newhaven
- description: rotates
-*************************/
-void rotate_newhaven(void)
-{
- TFT.MemWrite(REG_ROTATE, 1); // rotate screen
- TFT.Rotate(1);
- TFT.Flush_Co_Buffer(); // Download the command list into fifo
- TFT.WaitCmdfifo_empty(); // Wait till coprocessor completes the operation
-}
-
-
-
-/************************
- function: rotate_beyondtek
- description: rotates
-*************************/
-void rotate_beyondtek(void)
+void rotate_screen(uint8_t val)
{
- //dont rotate
-}
-
-
-
-/************************
- function: gui_manager()
- description: tracks input data and updates screen accordingly
-*************************/
-void gui_manager(void)
-{
- static const uint8_t state_lookup[32] = {0x0, 0x1, 0x2, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1,
- 0x2, 0x2, 0x2, 0x2, 0x0, 0x2, 0x2, 0x2, 0x3, 0x3, 0x3, 0x3, 0x0, 0x3, 0x3, 0x3,
- };
- /* array index values: { 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
- 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31};
- */
-
- static uint8_t present_state = 0x00,
- tag = 0x00,
- combo_input = 0x00;
-
- static uint16_t tracker = 0x00;
-
- static uint32_t reg32 = 0x00;
-
- //start of gui_manager()
- while(1) {
- tag = 0x0;
- //while(0x0 == tag)
-// {
- reg32 = TFT.Rd32(REG_TRACKER);
- tag = reg32 & mask_reg_tracker_tag; //read tag register, update tag variable
- tracker = ( reg32 & mask_reg_tracker_tracker)>> 16; //read tracker
-// }
- combo_input = ( present_state << 3) + tag; // concatenate present_state with tag to form combo input
- present_state = state_lookup[combo_input]; // based on combo input, update present state
- (*draw_screen[present_state])(tracker,tag); // use present_state as operand to draw screen function
+ if (val == 0)
+ {
+ TFT.MemWrite(REG_ROTATE, 1); // rotate screen
+ TFT.Rotate(1);
+ TFT.Flush_Co_Buffer(); // Download the command list into fifo
+ TFT.WaitCmdfifo_empty(); // Wait till coprocessor completes the operation
}
}
-
-/************************
- function: main menu
- description: draw main menu screen
-*************************/
-void main_menu(uint32_t tracker, uint8_t tag)
+void screen1(uint32_t tracker, uint8_t tag)
{
+ printf("screen1 entered\r\n");
time_t seconds = time(NULL);
//start new display list
@@ -243,48 +51,19 @@
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
- //bitmaps
- //TFT.DL(TAG(0)); // assign TAG value 0 to bitmap
-// TFT.DL(BITMAP_SOURCE(RAM_G));
-// TFT.DL(BITMAP_LAYOUT(RGB565,x_size*2,y_size));
-// TFT.DL(BITMAP_SIZE(NEAREST,BORDER,BORDER,x_size,y_size));
-//
-// TFT.DL(BEGIN(BITMAPS)); //start drawing bitmaps
-// TFT.DL(VERTEX2II(10,10,0,0)); // draw logo image with bit handle 0
-// TFT.DL(END());
-
- //buttons
- TFT.DL(COLOR_RGB(0xFF, 0xFF, 0xFF)); //this sets the button text color
- TFT.FgColor(0x007CC4); // this sets the button color
-
- //button A
- TFT.Track( 50, 165, 200, 150, 1); // track aree of button A
- TFT.DL(TAG(1)); // assign TAG value 1 to "mode A" button
- TFT.Button(50, 165, 200, 150, font_title, 0, text_a);
-
- //button B
- TFT.Track( 300, 165, 200, 150, 2); // track aree of button B
- TFT.DL(TAG(2)); // assign TAG value 2 to "mode B" button
- TFT.Button(300, 165, 200, 150, font_title, 0, text_b);
-
- //button C
- TFT.Track( 550, 165, 200, 150, 3); // track aree of button C
- TFT.DL(TAG(3)); // assign TAG value 3 to "mode C" button
- TFT.Button(550, 165, 200, 150, font_title, 0, text_c);
-
TFT.DL(TAG(0)); // assign TAG value 0 to everything else
//title text
TFT.DL(COLOR_RGB(0, 0, 0));
- TFT.Text((TFT.DispWidth/2), TFT.DispHeight/8, font_title, OPT_CENTERX, text_menu); // draw Text with font 31
+ TFT.Text((TFT.DispWidth/2), TFT.DispHeight/8, 28, OPT_CENTERX, "test\0"); // draw Text with font 31
// time
- TFT.Text((TFT.DispWidth/4), TFT.DispHeight*7/8, font_title, OPT_CENTERX, text_time); // draw Text with font 31
- TFT.Number((TFT.DispWidth/2), (TFT.DispHeight*7/8),font_title,OPT_CENTERX, seconds);
+ TFT.Text((TFT.DispWidth/4), TFT.DispHeight*7/8, 28, OPT_CENTERX, "Run time [s]: \0"); // draw Text with font 31
+ TFT.Number((TFT.DispWidth/2), (TFT.DispHeight*7/8),28,OPT_CENTERX, seconds);
//author text
TFT.DL(COLOR_RGB(0x00, 0x00, 0x00));
- TFT.Text((TFT.DispWidth*7/8)+9, (TFT.DispHeight*15/16), font_button, OPT_CENTERX, text_author); // draw Text with font 31
+ TFT.Text((TFT.DispWidth*7/8)+9, (TFT.DispHeight*15/16), 28, OPT_CENTERX, "by Curtis Mattull\0"); // draw Text with font 31
//display the screen
TFT.DL(DISPLAY()); // display the image
@@ -292,588 +71,4 @@
TFT.Flush_Co_Buffer(); // download the command list into fifo
TFT.WaitCmdfifo_empty(); // wait till coprocessor completes the operation
-}
-
-
-/************************
- function: mode_a
- description: draws mode a screen
-*************************/
-void mode_a(uint32_t tracker, uint8_t tag)
-{
-
- //start new display list
- TFT.DLstart(); // start a new display command list
- TFT.DL(CLEAR_COLOR_RGB(255,255,255)); // set the clear color to dark grey
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
-
- TFT.DL(TAG(0)); // assign TAG value 0 to everything else
-
-
-
-
-
-
-
- //button colors
- TFT.DL(COLOR_RGB(0xFF, 0xFF, 0xFF)); //this sets the button text color
- TFT.FgColor(0x007CC4); // this sets the button color
-
- //back button
- TFT.Track( 50, 355, 100, 75, 4); // track aree of button back
- TFT.DL(TAG(4));
- TFT.Button(50, 355, 100, 75, font_button, 4, text_back); // assign TAG value 4 to text_back button
-
- //title, author text
- TFT.DL(TAG(0)); // assign TAG value 0 to everything else
- TFT.DL(COLOR_RGB(0, 0, 0));
- TFT.Text((TFT.DispWidth/2), TFT.DispHeight/8, font_title, OPT_CENTERX, text_a); // draw Text with font 31
- TFT.Text((TFT.DispWidth*7/8)+9, (TFT.DispHeight*15/16), font_button, OPT_CENTERX, text_author); //author text // draw Text with font 31
-
-
- //display the screen
- 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
-}
-
-
-
-/************************
- function: mode b
- description: draws mode b screen.
-*************************/
-void mode_b(uint32_t tracker, uint8_t tag)
-{
- //start new display list
- 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
-
-
- //button colors
- TFT.DL(COLOR_RGB(255, 255, 255)); //this sets the button text color
- TFT.FgColor(0x007CC4); // this sets the button color
-
-
- //back button
- TFT.Track( 50, 355, 100, 75, 4); // track aree of button back
- TFT.DL(TAG(4));
- TFT.Button(50, 355, 100, 75, font_button, 0, text_back); // assign TAG value 4 to text_back button
-
- //title,author text
- TFT.DL(TAG(0)); // assign TAG value 0 to everything else
- TFT.DL(COLOR_RGB(0, 0, 0));
- TFT.Text((TFT.DispWidth/2), TFT.DispHeight/8, font_title, OPT_CENTERX, text_b); // draw Text with font 31
- TFT.Text((TFT.DispWidth*7/8)+9, (TFT.DispHeight*15/16), font_button, OPT_CENTERX, text_author); // draw Text with font 31
-
- //display the screen
- 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
-}
-
-
-/************************
- function: mode_c
- description: draws mode C screen
-*************************/
-void mode_c(uint32_t tracker, uint8_t tag)
-{
- //start new display list
- 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
-
-
- //button colors
- TFT.DL(COLOR_RGB(255, 255, 255)); //this sets the button text color
- TFT.FgColor(0x007CC4); // this sets the button color
-
- //back button
- TFT.Track( 50, 355, 100, 75, 4); // track aree of button back
- TFT.DL(TAG(4));
- TFT.Button(50, 355, 100, 75, font_button, 4, text_back); // assign TAG value 4 to text_back button
-
- //title, author text
- TFT.DL(TAG(0)); // assign TAG value 0 to everything else
- TFT.DL(COLOR_RGB(0,0,0));
- TFT.Text((TFT.DispWidth/2), TFT.DispHeight/8, font_title, OPT_CENTERX, text_c); // draw Text with font 31
- TFT.Text((TFT.DispWidth*7/8)+9, (TFT.DispHeight*15/16), font_button, OPT_CENTERX, text_author); // draw Text with font 31
-
- //display the screen
- 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
-}
-
-
-
-/************************
- function: plot_nothing
- description: clears plot area
-*************************/
-void plot_nothing(void)
-{
- TFT.DL(COLOR_RGB(0x00, 0x00, 0x00));
-
-}
-
-
-
-/************************
- function: plot_square
- description: plots square wave
-*************************/
-void plot_square(void)
-{
- static const int16_t square_wave_lookup[40] = { -100,-100,-100,-100,-100, 100,100,100,100,100,
- -100,-100,-100,-100,-100, 100,100,100,100,100,
- -100,-100,-100,-100,-100, 100,100,100,100,100,
- -100,-100,-100,-100,-100, 100,100,100,100,100
- };
-
- TFT.DL(COLOR_RGB(0xFF, 0x00, 0x00));
- for(i = 0; i<40; i++) {
- TFT.DL( VERTEX2F(50*16 +18*i*16, 250*16 - (square_wave_lookup[i])*16) );
- }
-}
-
-
-
-/************************
- function: plot_triangle
- description: plots triangle wave
-*************************/
-void plot_triangle(void)
-{
- static const int16_t tri_wave_lookup[40] = { 100,0,-100,0, 100,0,-100,0,
- 100,0,-100,0, 100,0,-100,0,
- 100,0,-100,0, 100,0,-100,0,
- 100,0,-100,0, 100,0,-100,0,
- 100,0,-100,0, 100,0,-100,0
- };
- TFT.DL(COLOR_RGB(0xFF, 0xFF, 0x00));
- for(i = 0; i<40; i++) {
- TFT.DL( VERTEX2F(50*16 +18*i*16, 250*16 - (tri_wave_lookup[i])*16) );
- }
-}
-
-
-
-///************************
-// function: plot_sine
-// description: plots sine wave
-//*************************/
-//void plot_sine(void)
-//{
-// static const int16_t sine_wave_lookup[40] = { 0, 16, 31, 45, 59, 71, 81, 89, 95, 99,
-// 100, 99, 95, 89, 81, 71, 59, 45, 31, 16,
-// -0, -16, -31, -45, -59, -71, -81, -89, -95, -99,
-// -100, -99, -95, -89, -81, -71, -59, -45, -31, -16,
-// };
-//
-// TFT.DL(COLOR_RGB(0xFF, 0x00, 0xFF));
-// for(i = 0; i<40; i++) {
-// TFT.DL( VERTEX2F(50*16 +18*i*16, 250*16 + (sine_wave_lookup[i])*16) );
-// }
-//}
-
-
-
-/************************
- function: plot_data1
- description: plots analog_in data1
-*************************/
-void plot_sine(void)
-{
- static const int16_t sine_wave_lookup[40] = { 0, 16, 31, 45, 59, 71, 81, 89, 95, 99,
- 100, 99, 95, 89, 81, 71, 59, 45, 31, 16,
- -0, -16, -31, -45, -59, -71, -81, -89, -95, -99,
- -100, -99, -95, -89, -81, -71, -59, -45, -31, -16,
- };
-
- TFT.DL(COLOR_RGB(0xFF, 0x00, 0xFF));
- for(i = 0; i<40; i++) {
- TFT.DL( VERTEX2F(50*16 +18*i*16, 250*16 - (sine_wave_lookup[i])*16) );
- }
-}
-
-
-
-/************************
- function: collect_data
- description: store ADC samples
-*************************/
-void collect_data(void)
-{
-
- static const uint16_t num_pts = 100;
-
- static float collect_time = 0,
- plot_time = 0,
- trigger_time = 0;
- static uint16_t i = 0x00,
- j = 0x00;
- static Timer timer;
- static float begin[3] = {0,0,0}, // {trigger, sample, plot}
- end[3] = {0,0,0}; // {trigger, sample, plot}
-
-// static const uint16_t threshold = 10;
-
- // data sample from ADC
- static uint16_t data_raw_a9[num_pts] = {};
-
- timer.start();
- begin[0] = timer.read_us(); // trigger_begin
-
-
- //do while trigger[0] < trigger[1]
- //essentially find falling edge
- do
- {
- data_raw_a9[0] = ((analog_in9.read_u16()>>7) & 0x1FF );
- data_raw_a9[1] = ((analog_in9.read_u16()>>7) & 0x1FF );
- }
- while(data_raw_a9[1] < data_raw_a9[0]);
-
- do
- {
- data_raw_a9[0] = ((analog_in9.read_u16()>>7) & 0x1FF );
- data_raw_a9[1] = ((analog_in9.read_u16()>>7) & 0x1FF );
- }
- while(data_raw_a9[1] > data_raw_a9[0]);
- //do
-// {
-// data_raw_a9[0] = ((analog_in9.read_u16()>>7) & 0x1FF );
-// data_raw_a9[1] = ((analog_in9.read_u16()>>7) & 0x1FF );
-// }
-// while(data_raw_a9[1] < data_raw_a9[0]);
-//
-// do
-// {
-// data_raw_a9[0] = ((analog_in9.read_u16()>>7) & 0x1FF );
-// data_raw_a9[1] = ((analog_in9.read_u16()>>7) & 0x1FF );
-// }
-// while(data_raw_a9[1] > data_raw_a9[0]);
-
- timer.stop();
- end[0] = timer.read_us(); //trigger_end
-
-
- timer.start();
- begin[1] = timer.read_us(); // sample_begin
- //collect data
- for(i=2;i<num_pts;i++)
- {
- //collect adc 9 most significant bits
- data_raw_a9[i] = ((analog_in9.read_u16()>>7) & 0x1FF );
- }
- timer.stop();
- end[1] = timer.read_us(); // sample_end
-
-
- timer.start();
- begin[2] = timer.read_us(); // plot_begin
- //green plot
- TFT.DL(COLOR_RGB(0x00, 0xFF, 0x00));
- //plot data
- for(i=0;i<num_pts;i++)
- {
- TFT.DL(VERTEX2F(8*i*16, TFT.DispHeight*16 - data_raw_a9[i]*15)); // 15/16 *512 = 480 which is disp_height
- }
- timer.stop();
- end[2] = timer.read_us(); // plot_end
-
-
- trigger_time =(end[0]-begin[0])/1000;
- collect_time =(end[1]-begin[1])/1000;
- plot_time = (end[2]-begin[2])/1000;
-
- TFT.DL(COLOR_RGB(0xFF, 0xFF, 0xFF));
- //data points
- TFT.Text((TFT.DispWidth*7/8), TFT.DispHeight/32, font_button, OPT_RIGHTX, " data points: "); // draw Text with font 31
- TFT.Number((TFT.DispWidth*7/8), (TFT.DispHeight/32),font_button,0,num_pts);
-
- //trigger time
- TFT.Text((TFT.DispWidth*7/8), TFT.DispHeight*3/32, font_button, OPT_RIGHTX, " trigger time [ms]: "); // draw Text with font 31
- TFT.Number((TFT.DispWidth*7/8), (TFT.DispHeight*3/32),font_button,0,trigger_time);
-
- //sample time
- TFT.Text((TFT.DispWidth*7/8), TFT.DispHeight*5/32, font_button, OPT_RIGHTX, "sample time [ms]: "); // draw Text with font 31
- TFT.Number((TFT.DispWidth*7/8), (TFT.DispHeight*5/32),font_button,0,collect_time);
-
- //plot time
- TFT.Text((TFT.DispWidth*7/8), TFT.DispHeight*7/32, font_button, OPT_RIGHTX, "plot time [ms]: "); // draw Text with font 31
- TFT.Number((TFT.DispWidth*7/8), (TFT.DispHeight*7/32),font_button,0,plot_time);
-
-}
-
-
-
-/****************************************************************************/
-/* Checks for an SD card and reads/writes the calibration data */
-/* from the SD card */
-/****************************************************************************/
-uint8_t read_calibration()
-{
- static ft_char8_t temp_string[32] = {"\0"};
- static uint8_t tcal[24]; // touch screen Calibration
-
- while(!sdcard_present.read()) {
- // checks for SD card, if not present hold program until a SD card is inserted
- error_screen("Error!","Insert SD card!"); // write error screen to LCD
- }
-
- sd.mount();
- FILE *fp= fopen("/sd/TCal/TCalData.txt", "r");
- if (fp != NULL) {
- //file successfully opened for reading!
- fread(temp_string,24,1,fp);
- for (i = 0; i < 24; i++) {
- // convert from int to char
- tcal[i] = temp_string[i];
- }
- TFT.write_calibrate(tcal); // write cal data to screen
- fclose(fp);
- sd.unmount();
- return 0;
- } else {
- //file not opened. might not exist.
- TFT.Calibrate(); // calibrate the touch screen
- TFT.read_calibrate(tcal); // read in cal data from screen
- mkdir("/sd/TCal", 0777); // open file for saving calibration data
- FILE *fp = fopen("/sd/TCal/TCalData.txt", "w");
- for (i = 0; i < 25; i++) { // save integers one at a time to the file
- fprintf(fp, "%c", tcal[i] );
- }
- fclose(fp);
- sd.unmount();
- return 1;
-
- }
-}
-
-
-
-/****************************************************************************
-* tests functional operation of sd card by read/write
-****************************************************************************/
-uint8_t sd_test(void)
-{
- while(!sdcard_present.read()) {
- // checks for SD card, if not present hold program until a SD card is inserted
- error_screen("Error!","Insert SD card!"); // write error screen to LCD
- }
-
- TFT.DLstart(); // start a new display command list
- TFT.DL(CLEAR_COLOR_RGB(0,0,0)); // clear the screen and set the background to green
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.DL(COLOR_RGB(255,255,255));
-
- sd.mount();
-
- //Perform a write test
-// printf("\nWriting to SD card...");
- TFT.Text((TFT.DispWidth/2), 150, 28, OPT_CENTERX, "Writing to SD card...\0"); // draw Text with font 31
- FILE *fp = fopen("/sd/sdtest.txt", "w");
- if (fp != NULL) {
- //file successfully opened for writing!
- fprintf(fp, "We're writing to an SD card!");
- fclose(fp);
- TFT.DL(CLEAR_COLOR_RGB(0,255,0)); // clear the screen and set the background to green
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.Text((TFT.DispWidth/2), 200, 28, OPT_CENTERX,"open file success\0" ); // draw Text with font 31
-
- } else {
-// printf("failed!\n");
- TFT.DL(CLEAR_COLOR_RGB(255,0,0)); // clear the screen and set the background to green
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.Text((TFT.DispWidth/2), 200, 28, OPT_CENTERX, "open file failed!\0"); // draw Text with font 31
- }
-
- //Perform a read test
-// fprintf("Reading from SD card...");
- TFT.Text((TFT.DispWidth/2), 250, 28, OPT_CENTERX, "Reading from SD card...\0"); // draw Text with font 31
-
- fp = fopen("/sd/sdtest.txt", "r");
- if (fp != NULL) {
- char c = fgetc(fp);
- if (c == 'W') {
-// printf("success!\n");
- TFT.Text((TFT.DispWidth/2), 300, 28, OPT_CENTERX, "correct char!\0"); // draw Text with font 31
-
- } else {
-// fprintf("incorrect char (%c)!\n", c);
- TFT.Text((TFT.DispWidth/2), 300, 28, OPT_CENTERX, "incorrect char!\0"); // draw Text with font 31
- }
- sd.unmount();
- 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(2000);
- fclose(fp);
- return 0;
-
- } else {
-// printf("failed!\n");
- TFT.Text((TFT.DispWidth/2), 250, 31, OPT_CENTERX, "failed to read!\0"); // draw Text with font 31
- sd.unmount();
- 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(2000);
- return 1;
- }
-}
-
-
-
-uint8_t bitmap_test(uint16_t x,uint16_t y)
-{
-
- TFT.DLstart(); // start a new display command list
- TFT.DL(CLEAR_COLOR_RGB(0,0,0)); // clear the screen and set the background to green
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.DL(COLOR_RGB(255,255,255));
-
- //following 3 lines can be replaced with TFT.set_bitmap(0x00, 0, )
- TFT.DL(BITMAP_SOURCE(RAM_G));
- TFT.DL(BITMAP_LAYOUT(ARGB1555,2*x_size,y_size));
- TFT.DL(BITMAP_SIZE(NEAREST,BORDER,BORDER,x_size,y_size));
-
- TFT.DL(BEGIN(BITMAPS)); //start drawing bitmaps
- TFT.DL(VERTEX2II(25,25,0,0)); // draw logo image with bit handle 0
- TFT.DL(END());
-
- TFT.Text((TFT.DispWidth/2), 170, 31, OPT_CENTERX, "bitmap_test() called\0"); // draw Text with font 31
-
- 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
-
- return 0;
-}
-
-
-
-/* function to load jpg file from filesystem */
-/* return 0 if jpg is ok */
-/* also return x_size and y_size of jpg */
-
-int8_t Load_jpg(char* filename, ft_int16_t* x_size, ft_int16_t* y_size, ft_uint32_t address)
-{
- static int8_t rval = 0x00;
-
- while(!sdcard_present.read()) {
- // checks for SD card, if not present hold program until a SD card is inserted
- error_screen("Error!","Insert SD card!"); // write error screen to LCD
- }
-
- sd.mount();
- rval = TFT.Load_jpg( filename, x_size, y_size, address);
- sd.unmount();
- return rval;
-}
-
-
-
-/************************
- function: display_message
- description: draws a pass/fail type message to the screen.
- useful for debugging return values from functions.
-*************************/
-void display_message(uint8_t error, const ft_char8_t *pass, const ft_char8_t *fail)
-{
- TFT.DLstart(); // start a new display command list
- TFT.DL(COLOR_RGB(0,0,0));
-
- if(error == 0x00) {
- TFT.DL(CLEAR_COLOR_RGB(0,255,0)); // clear the screen and set the background to green
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.Text((TFT.DispWidth/2), 170, 31, OPT_CENTERX, pass); // draw Text with font 31
- } else {
- TFT.DL(CLEAR_COLOR_RGB(255,0,0)); // clear the screen and set the background to red
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.Text((TFT.DispWidth/2), 170, 31, OPT_CENTERX, fail); // draw Text with font 31
- }
-
- 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
-}
-
-
-
-/************************
- function: Start_Screen
- description: draws boot up screen as images are loaded from the sd card
-*************************/
-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(0x00, 0x7C, 0xC4)); // generate border in SMC blue, all functions are in 1/16 pixel format
- TFT.DL(BEGIN(LINES));
- TFT.DL(LINE_WIDTH(8 * 16));
- TFT.DL(VERTEX2F(0*16,0*16));
- TFT.DL(VERTEX2F(799*16,0*16));
- TFT.DL(VERTEX2F(799*16,0*16));
- TFT.DL(VERTEX2F(799*16,479*16));
- TFT.DL(VERTEX2F(799*16,479*16));
- TFT.DL(VERTEX2F(0*16,479*16));
- TFT.DL(VERTEX2F(0*16,479*16));
- TFT.DL(VERTEX2F(0*16,0*16));
- TFT.DL(END());
-
- 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, text_author); // draw Text with font 31
- 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
-}
-
-
-
-/****************************************************************************/
-/* This function displays the error screen */
-/* the function causes the screen to flash yellow and writes text to the LCD*/
-/****************************************************************************/
-void error_screen(ft_char8_t *str1, ft_char8_t *str2)
-{
- TFT.DLstart(); // start a new display command list
- TFT.DL(CLEAR_COLOR_RGB(255,242,0)); // clear the screen and set the background to yellow
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer
- TFT.DL(COLOR_RGB(0,0,0));
- TFT.Text((TFT.DispWidth/2), 170, 31, OPT_CENTERX, str1); // draw Text with font 31
- TFT.Text((TFT.DispWidth/2), 215, 31, OPT_CENTERX, str2); // draw Text with font 31
- 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(500);
-
- TFT.DLstart(); // start a new display command list
- TFT.DL(CLEAR_COLOR_RGB(255,255,255)); // set clear color to white
- TFT.DL(CLEAR(1,1,1)); // clear buffers -> color buffer,stencil buffer, tag buffer;
- TFT.DL(COLOR_RGB(0,0,0));
- TFT.Text((TFT.DispWidth/2), 170, 31, OPT_CENTERX, str1); // draw Text with font 31
- TFT.Text((TFT.DispWidth/2), 215, 31, OPT_CENTERX, str2); // draw Text with font 31
- 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(500);
}
\ No newline at end of file