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152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
//This example implements a simple sliding On/Off button. The example
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// demonstrates drawing and touch operations.
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//
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//Thanks to Adafruit forums member Asteroid for the original sketch!
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//
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#include <SPI.h>
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#include <Wire.h>
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#include <ILI9341_t3.h>
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#include <XPT2046_Touchscreen.h>
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// This is calibration data for the raw touch data to the screen coordinates
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#define TS_MINX 150
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#define TS_MINY 130
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#define TS_MAXX 3800
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#define TS_MAXY 4000
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#define TIRQ_PIN 2
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#define CS_PIN 8
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XPT2046_Touchscreen ts(CS_PIN, TIRQ_PIN);
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#define TFT_CS 10
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#define TFT_DC 9
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ILI9341_t3 tft = ILI9341_t3(TFT_CS, TFT_DC); //240x320
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boolean RecordOn = false;
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#define FRAME_X 210
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#define FRAME_Y 180
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#define FRAME_W 100
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#define FRAME_H 50
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#define REDBUTTON_X FRAME_X
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#define REDBUTTON_Y FRAME_Y
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#define REDBUTTON_W (FRAME_W/2)
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#define REDBUTTON_H FRAME_H
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#define GREENBUTTON_X (REDBUTTON_X + REDBUTTON_W)
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#define GREENBUTTON_Y FRAME_Y
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#define GREENBUTTON_W (FRAME_W/2)
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#define GREENBUTTON_H FRAME_H
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void draw_bar_graph_frames()
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{
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for (uint8_t i = 3 ; i < 7 ; i++) {
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uint16_t center = (tft.width() / 7.0) * i;
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tft.drawRect(center - 20, 10, 40, 220, ILI9341_WHITE);
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}
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}
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void draw_bar_graph_data(uint8_t bar_index, uint8_t input)
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{
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uint16_t center = (tft.width() / 7.0) * (bar_index + 2);
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uint16_t bar_height = 216 * (input / 100.0);
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tft.fillRect(center - 18, 12, 36, 216, ILI9341_BLACK);
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tft.fillRect(center - 18, min(max(bar_height-2, 12), 216), 36, 4, ILI9341_RED);
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}
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void drawFrame()
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{
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tft.drawRect(FRAME_X, FRAME_Y, FRAME_W, FRAME_H, ILI9341_BLACK);
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}
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void redBtn()
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{
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tft.fillRect(REDBUTTON_X, REDBUTTON_Y, REDBUTTON_W, REDBUTTON_H, ILI9341_RED);
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tft.fillRect(GREENBUTTON_X, GREENBUTTON_Y, GREENBUTTON_W, GREENBUTTON_H, ILI9341_BLUE);
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drawFrame();
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tft.setCursor(GREENBUTTON_X + 6 , GREENBUTTON_Y + (GREENBUTTON_H / 2));
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tft.setTextColor(ILI9341_WHITE);
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tft.setTextSize(2);
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tft.println("ON");
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RecordOn = false;
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}
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void greenBtn()
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{
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tft.fillRect(GREENBUTTON_X, GREENBUTTON_Y, GREENBUTTON_W, GREENBUTTON_H, ILI9341_GREEN);
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tft.fillRect(REDBUTTON_X, REDBUTTON_Y, REDBUTTON_W, REDBUTTON_H, ILI9341_BLUE);
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drawFrame();
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tft.setCursor(REDBUTTON_X + 6 , REDBUTTON_Y + (REDBUTTON_H / 2));
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tft.setTextColor(ILI9341_WHITE);
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tft.setTextSize(2);
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tft.println("OFF");
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RecordOn = true;
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}
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void setup(void)
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{
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Serial.begin(9600);
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tft.begin();
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ts.begin();
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tft.fillScreen(ILI9341_BLACK);
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// origin = left,top landscape (USB left upper)
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ts.setRotation(2);
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tft.setRotation(3);
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draw_bar_graph_frames();
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}
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uint16_t wait = 66;
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void loop()
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{
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// for (uint8_t i = 0 ; i < 100 ; i ++) {
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for (uint8_t bar = 1 ; bar < 5 ; bar++) {
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draw_bar_graph_data(bar, min(max(random(-25, 25), 0), 100) + 50);
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}
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delay(wait);
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// }
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// for (uint8_t i = 100 ; i > 0 ; i--) {
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// for (uint8_t bar = 1 ; bar < 5 ; bar++) {
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// draw_bar_graph_data(bar, min(max(random(-25, 25), 0), 100) + i);
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// }
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// delay(wait);
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// }
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// See if there's any touch data for us
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// if (!ts.bufferEmpty())
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// {
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// // Retrieve a point
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// TS_Point p = ts.getPoint();
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// // Scale using the calibration #'s
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// // and rotate coordinate system
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// p.x = map(p.x, TS_MINY, TS_MAXY, 0, tft.height());
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// p.y = map(p.y, TS_MINX, TS_MAXX, 0, tft.width());
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// int y = tft.height() - p.x;
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// int x = p.y;
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//
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// if (RecordOn)
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// {
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// if((x > REDBUTTON_X) && (x < (REDBUTTON_X + REDBUTTON_W))) {
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// if ((y > REDBUTTON_Y) && (y <= (REDBUTTON_Y + REDBUTTON_H))) {
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// Serial.println("Red btn hit");
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// redBtn();
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// }
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// }
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// }
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// else //Record is off (RecordOn == false)
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// {
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// if((x > GREENBUTTON_X) && (x < (GREENBUTTON_X + GREENBUTTON_W))) {
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// if ((y > GREENBUTTON_Y) && (y <= (GREENBUTTON_Y + GREENBUTTON_H))) {
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// Serial.println("Green btn hit");
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// greenBtn();
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// }
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// }
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// }
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//
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// Serial.println(RecordOn);
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// }
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}
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