143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
/*
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Font draw speed and flicker test, draws all numbers 0-999 in each font
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Average time in milliseconds to draw is shown in red
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A total of 2890 characters are drawn in each font
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Needs fonts 2, 4, 6, 7 and 8
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Make sure all the display driver and pin connections are correct by
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editting the User_Setup.h file in the TFT_eSPI library folder.
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#########################################################################
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###### DON'T FORGET TO UPDATE THE User_Setup.h FILE IN THE LIBRARY ######
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#########################################################################
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*/
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#include <TFT_eSPI.h> // Hardware-specific library
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#include <SPI.h>
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TFT_eSPI tft = TFT_eSPI(); // Invoke custom library
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unsigned long drawTime = 0;
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void setup(void) {
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tft.init();
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tft.setRotation(1);
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}
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void loop() {
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tft.fillScreen(TFT_BLACK);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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drawTime = millis();
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for (int i = 0; i < 1000; i++) {
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yield();tft.drawNumber(i, 100, 80, 1);
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}
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drawTime = millis() - drawTime;
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tft.setTextColor(TFT_RED, TFT_BLACK);
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int xpos = 20;
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xpos += tft.drawFloat(drawTime / 2890.0, 3, xpos, 180, 4);
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tft.drawString(" ms per character", xpos, 180, 4);
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if (drawTime < 100) tft.drawString("Font 1 not loaded!", 50, 210, 4);
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delay(4000);
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tft.fillScreen(TFT_BLACK);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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drawTime = millis();
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for (int i = 0; i < 1000; i++) {
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yield();tft.drawNumber(i, 100, 80, 2);
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}
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drawTime = millis() - drawTime;
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tft.setTextColor(TFT_RED, TFT_BLACK);
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xpos = 20;
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xpos += tft.drawFloat(drawTime / 2890.0, 3, xpos, 180, 4);
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tft.drawString(" ms per character", xpos, 180, 4);
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if (drawTime < 200) tft.drawString("Font 2 not loaded!", 50, 210, 4);
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delay(4000);
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tft.fillScreen(TFT_BLACK);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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drawTime = millis();
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for (int i = 0; i < 1000; i++) {
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yield();tft.drawNumber(i, 100, 80, 4);
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}
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drawTime = millis() - drawTime;
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tft.setTextColor(TFT_RED, TFT_BLACK);
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xpos = 20;
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xpos += tft.drawFloat(drawTime / 2890.0, 3, xpos, 180, 4);
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tft.drawString(" ms per character", xpos, 180, 4);
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if (drawTime < 200) tft.drawString("Font 4 not loaded!", 50, 210, 4);
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delay(4000);
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tft.fillScreen(TFT_BLACK);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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drawTime = millis();
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for (int i = 0; i < 1000; i++) {
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yield();tft.drawNumber(i, 100, 80, 6);
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}
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drawTime = millis() - drawTime;
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tft.setTextColor(TFT_RED, TFT_BLACK);
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xpos = 20;
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xpos += tft.drawFloat(drawTime / 2890.0, 3, xpos, 180, 4);
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tft.drawString(" ms per character", xpos, 180, 4);
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if (drawTime < 200) tft.drawString("Font 6 not loaded!", 50, 210, 4);
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delay(4000);
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tft.fillScreen(TFT_BLACK);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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drawTime = millis();
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for (int i = 0; i < 1000; i++) {
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yield();tft.drawNumber(i, 100, 80, 7);
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}
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drawTime = millis() - drawTime;
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tft.setTextColor(TFT_RED, TFT_BLACK);
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xpos = 20;
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xpos += tft.drawFloat(drawTime / 2890.0, 3, xpos, 180, 4);
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tft.drawString(" ms per character", xpos, 180, 4);
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if (drawTime < 200) tft.drawString("Font 7 not loaded!", 50, 210, 4);
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delay(4000);
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tft.fillScreen(TFT_YELLOW);
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tft.setTextColor(TFT_WHITE, TFT_BLACK);
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drawTime = millis();
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for (int i = 0; i < 1000; i++) {
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yield();tft.drawNumber(i, 100, 80, 8);
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}
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drawTime = millis() - drawTime;
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tft.setTextColor(TFT_RED, TFT_BLACK);
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xpos = 20;
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xpos += tft.drawFloat(drawTime / 2890.0, 3, xpos, 180, 4);
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tft.drawString(" ms per character", xpos, 180, 4);
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if (drawTime < 200) tft.drawString("Font 8 not loaded!", 50, 210, 4);
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delay(4000);
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}
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