Add diagnostic sketches
Do not load button class is touch screen chip select not defined
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/*
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This sketch reads the user setup information from the processor via the Serial Port
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It is a support and diagnostic sketch for the TFT_eSPI library:
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https://github.com/Bodmer/TFT_eSPI
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The output is essentially a copy of the User_Setep configuration so can be used to
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verify the correct settings are being picked up by the compiler.
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If support is needed the output can be cut and pasted into an Arduino Forum post and
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already inlcudes the formatting [code]...[/code] markups.
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Written by Bodmer 9/4/18
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*/
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#include <SPI.h>
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#include <TFT_eSPI.h> // Graphics library
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TFT_eSPI tft = TFT_eSPI(); // Invoke library
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#ifdef ESP8266
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ADC_MODE(ADC_VCC); // Read the supply voltage
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#endif
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setup_t user; // The library defines the type "setup_t" as a struct
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// Calling tft.getSetup(user) populates it with the settings
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//------------------------------------------------------------------------------------------
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void setup() {
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// Use serial port
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Serial.begin(115200);
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// Initialise the TFT screen
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tft.init();
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}
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//------------------------------------------------------------------------------------------
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void loop(void) {
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tft.getSetup(user); //
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Serial.printf("\n[code]\n");
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Serial.printf("Processor = ESP%i\n", user.esp, HEX);
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Serial.printf("Frequency = %i MHz\n", ESP.getCpuFreqMHz());
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#ifdef ESP8266
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Serial.printf("Voltage = %2.2f V\n", ESP.getVcc() / 918.0); // 918 empirically determined
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#endif
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Serial.printf("Transactions = %s \n", (user.trans == 1) ? "Yes" : "No");
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Serial.printf("Interface = %s \n", (user.serial == 1) ? "SPI" : "Parallel");
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#ifdef ESP8266
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if (user.serial == 1)
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Serial.printf("SPI overlap = %s \n\n", (user.overlap == 1) ? "Yes" : "No");
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#endif
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if (user.tft_driver != 0xE9D) // For ePaper displays the size is defined in the sketch
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{
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Serial.printf("Display driver = "); Serial.println(user.tft_driver, HEX); // Hexadecimal code
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Serial.printf("Display width = %i \n", user.tft_width); // Rotation 0 width and height
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Serial.printf("Display height = %i \n\n", user.tft_height);
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}
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else if (user.tft_driver == 0xE9D) Serial.printf("Display driver = ePaper\n\n");
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if (user.r0_x_offset != 0) Serial.printf("R0 x offset = %i \n", user.r0_x_offset); // Offsets, not all used yet
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if (user.r0_y_offset != 0) Serial.printf("R0 y offset = %i \n", user.r0_y_offset);
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if (user.r1_x_offset != 0) Serial.printf("R1 x offset = %i \n", user.r1_x_offset);
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if (user.r1_y_offset != 0) Serial.printf("R1 y offset = %i \n", user.r1_y_offset);
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if (user.r2_x_offset != 0) Serial.printf("R2 x offset = %i \n", user.r2_x_offset);
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if (user.r2_y_offset != 0) Serial.printf("R2 y offset = %i \n", user.r2_y_offset);
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if (user.r3_x_offset != 0) Serial.printf("R3 x offset = %i \n", user.r3_x_offset);
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if (user.r3_y_offset != 0) Serial.printf("R3 y offset = %i \n\n", user.r3_y_offset);
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if (user.pin_tft_mosi != -1) Serial.printf("MOSI = D%i (GPIO %i)\n", getPinName(user.pin_tft_mosi), user.pin_tft_mosi);
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if (user.pin_tft_miso != -1) Serial.printf("MISO = D%i (GPIO %i)\n", getPinName(user.pin_tft_miso), user.pin_tft_miso);
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if (user.pin_tft_clk != -1) Serial.printf("SCK = D%i (GPIO %i)\n", getPinName(user.pin_tft_clk), user.pin_tft_clk);
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#ifdef ESP8266
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if (user.overlap == true)
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{
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Serial.printf("Overlap selected, following pins MUST be used:\n");
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Serial.printf("MOSI = SD1 (GPIO 8)\n");
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Serial.printf("MISO = SD0 (GPIO 7)\n");
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Serial.printf("SCK = CLK (GPIO 6)\n");
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Serial.printf("TFT_CS = D3 (GPIO 0)\n\n");
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Serial.printf("TFT_DC and TFT_RST pins can be user defined\n");
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}
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#endif
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if (user.pin_tft_cs != -1) Serial.printf("TFT_CS = D%i (GPIO %i)\n", getPinName(user.pin_tft_cs), user.pin_tft_cs);
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if (user.pin_tft_dc != -1) Serial.printf("TFT_DC = D%i (GPIO %i)\n", getPinName(user.pin_tft_dc), user.pin_tft_dc);
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if (user.pin_tft_rst != -1) Serial.printf("TFT_RST = D%i (GPIO %i)\n\n", getPinName(user.pin_tft_rst), user.pin_tft_rst);
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if (user.pin_tch_cs != -1) Serial.printf("TOUCH_CS = D%i (GPIO %i)\n\n", getPinName(user.pin_tch_cs), user.pin_tch_cs);
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if (user.pin_tft_wr != -1) Serial.printf("TFT_WR = D%i (GPIO %i)\n", getPinName(user.pin_tft_wr), user.pin_tft_wr);
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if (user.pin_tft_rd != -1) Serial.printf("TFT_RD = D%i (GPIO %i)\n\n", getPinName(user.pin_tft_rd), user.pin_tft_rd);
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if (user.pin_tft_d0 != -1) Serial.printf("TFT_D0 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d0), user.pin_tft_d0);
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if (user.pin_tft_d1 != -1) Serial.printf("TFT_D1 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d1), user.pin_tft_d1);
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if (user.pin_tft_d2 != -1) Serial.printf("TFT_D2 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d2), user.pin_tft_d2);
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if (user.pin_tft_d3 != -1) Serial.printf("TFT_D3 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d3), user.pin_tft_d3);
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if (user.pin_tft_d4 != -1) Serial.printf("TFT_D4 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d4), user.pin_tft_d4);
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if (user.pin_tft_d5 != -1) Serial.printf("TFT_D5 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d5), user.pin_tft_d5);
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if (user.pin_tft_d6 != -1) Serial.printf("TFT_D6 = D%i (GPIO %i)\n", getPinName(user.pin_tft_d6), user.pin_tft_d6);
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if (user.pin_tft_d7 != -1) Serial.printf("TFT_D7 = D%i (GPIO %i)\n\n", getPinName(user.pin_tft_d7), user.pin_tft_d7);
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uint16_t fonts = tft.fontsLoaded();
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if (fonts & (1 << 1)) Serial.printf("Font GLCD loaded\n");
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if (fonts & (1 << 2)) Serial.printf("Font 2 loaded\n");
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if (fonts & (1 << 4)) Serial.printf("Font 4 loaded\n");
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if (fonts & (1 << 6)) Serial.printf("Font 6 loaded\n");
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if (fonts & (1 << 7)) Serial.printf("Font 7 loaded\n");
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if (fonts & (1 << 9)) Serial.printf("Font 8N loaded\n");
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else
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if (fonts & (1 << 8)) Serial.printf("Font 8 loaded\n");
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if (fonts & (1 << 15)) Serial.printf("Smooth font enabled\n");
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Serial.printf("\n");
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if (user.serial==1) Serial.printf("Display SPI frequency = %2.1f MHz \n", user.tft_spi_freq/10.0);
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if (user.pin_tch_cs != -1) Serial.printf("Touch SPI frequency = %2.1f MHz \n", user.tch_spi_freq/10.0);
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Serial.printf("[/code]\n");
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while(1) yield();
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}
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// Get pin name for ESP8266
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int8_t getPinName(int8_t pin)
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{
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// For ESP32 pin labels on boards use the GPIO number
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if (user.esp == 32) return pin;
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// For ESP8266 the pin labels are not the same as the GPIO number
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// These are for the NodeMCU pin definitions:
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// GPIO Dxx
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if (pin == 16) return 0;
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if (pin == 5) return 1;
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if (pin == 4) return 2;
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if (pin == 0) return 3;
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if (pin == 2) return 4;
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if (pin == 14) return 5;
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if (pin == 12) return 6;
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if (pin == 13) return 7;
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if (pin == 15) return 8;
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if (pin == 3) return 9;
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if (pin == 1) return 10;
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if (pin == 9) return 11;
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if (pin == 10) return 12;
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}
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@@ -0,0 +1,49 @@
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// This sketch is to test the touch controller, nothing is displayed
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// on the TFT. The TFT_eSPI library must be configured to suit your
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// pins used. Make sure both the touch chip select and the TFT chip
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// select are correctly defined to avoid SPI bus contention.
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// Make sure you have defined a pin for the touch controller chip
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// select line in the user setup file or you will see "no member"
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// compile errors for the touch functions!
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// It is a support and diagnostic sketch for the TFT_eSPI library:
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// https://github.com/Bodmer/TFT_eSPI
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// The "raw" (unprocessed) touch sensor outputs are sent to the
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// serial port. Touching the screen should show changes to the x, y
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// and z values. x and y are raw ADC readings, not pixel coordinates.
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#include <SPI.h>
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#include <TFT_eSPI.h>
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TFT_eSPI tft = TFT_eSPI();
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//====================================================================
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void setup(void) {
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Serial.begin(115200);
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Serial.println("\n\nStarting...");
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tft.init();
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}
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//====================================================================
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void loop() {
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uint16_t x, y;
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tft.getTouchRaw(&x, &y);
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Serial.printf("x: %i ", x);
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Serial.printf("y: %i ", y);
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Serial.printf("z: %i \n", tft.getTouchRawZ());
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delay(250);
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}
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//====================================================================
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