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ESP32_ILI9488_Read_User_Setup.ino
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ESP32_ILI9488_Read_User_Setup.ino
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/*
This sketch reads the user setup information from the processor via the Serial Port
It is a support and diagnostic sketch for the TFT_eSPI library:
https://github.com/Bodmer/TFT_eSPI
The output is essentially a copy of the User_Setep configuration so can be used to
verify the correct settings are being picked up by the compiler.
If support is needed the output can be cut and pasted into an Arduino Forum post and
already includes the formatting [code]...[/code] markups.
Written by Bodmer 9/4/18
*/
//>>>>> Note: STM32 pin references above D15 may not reflect board markings <<<<<
#include <SPI.h>
#include "TFT_eSPI.h" // Graphics library
TFT_eSPI tft = TFT_eSPI(); // Invoke library
#ifdef ARDUINO_ARCH_ESP8266
ADC_MODE(ADC_VCC); // Read the supply voltage
#endif
setup_t user; // The library defines the type "setup_t" as a struct
// Calling tft.getSetup(user) populates it with the settings
//------------------------------------------------------------------------------------------
void setup() {
// Use serial port
Serial.begin(115200);
// Initialise the TFT screen
tft.init();
tft.setRotation(3);
tft.fillScreen(TFT_BLACK);
tft.setTextColor(TFT_WHITE);
// tft.setFreeFont(FF33);// tft.setFreeFont(&FreeSerif9pt7b); //#####
tft.println("test ILI9341 ??");
}
//------------------------------------------------------------------------------------------
void loop(void) {
tft.getSetup(user); //
Serial.print("\n[code]\n");
Serial.print ("TFT_eSPI ver = "); Serial.println(user.version);
printProcessorName();
#if defined (ESP32) || defined (ARDUINO_ARCH_ESP8266)
if (user.esp < 0x32F000 || user.esp > 0x32FFFF) { Serial.print("Frequency = "); Serial.print(ESP.getCpuFreqMHz());Serial.println("MHz"); }
#endif
#ifdef ARDUINO_ARCH_ESP8266
Serial.print("Voltage = "); Serial.print(ESP.getVcc() / 918.0); Serial.println("V"); // 918 empirically determined
#endif
Serial.print("Transactions = "); Serial.println((user.trans == 1) ? "Yes" : "No");
Serial.print("Interface = "); Serial.println((user.serial == 1) ? "SPI" : "Parallel");
#ifdef ARDUINO_ARCH_ESP8266
if (user.serial == 1){ Serial.print("SPI overlap = "); Serial.println((user.overlap == 1) ? "Yes\n" : "No\n"); }
#endif
if (user.tft_driver != 0xE9D) // For ePaper displays the size is defined in the sketch
{
Serial.print("Display driver = "); Serial.println(user.tft_driver, HEX); // Hexadecimal code
Serial.print("Display width = "); Serial.println(user.tft_width); // Rotation 0 width and height
Serial.print("Display height = "); Serial.println(user.tft_height);
Serial.println();
}
else if (user.tft_driver == 0xE9D) Serial.println("Display driver = ePaper\n");
if (user.r0_x_offset != 0) { Serial.print("R0 x offset = "); Serial.println(user.r0_x_offset); } // Offsets, not all used yet
if (user.r0_y_offset != 0) { Serial.print("R0 y offset = "); Serial.println(user.r0_y_offset); }
if (user.r1_x_offset != 0) { Serial.print("R1 x offset = "); Serial.println(user.r1_x_offset); }
if (user.r1_y_offset != 0) { Serial.print("R1 y offset = "); Serial.println(user.r1_y_offset); }
if (user.r2_x_offset != 0) { Serial.print("R2 x offset = "); Serial.println(user.r2_x_offset); }
if (user.r2_y_offset != 0) { Serial.print("R2 y offset = "); Serial.println(user.r2_y_offset); }
if (user.r3_x_offset != 0) { Serial.print("R3 x offset = "); Serial.println(user.r3_x_offset); }
if (user.r3_y_offset != 0) { Serial.print("R3 y offset = "); Serial.println(user.r3_y_offset); }
if (user.pin_tft_mosi != -1) { Serial.print("MOSI = "); Serial.print("GPIO "); Serial.println(getPinName(user.pin_tft_mosi)); }
if (user.pin_tft_miso != -1) { Serial.print("MISO = "); Serial.print("GPIO "); Serial.println(getPinName(user.pin_tft_miso)); }
if (user.pin_tft_clk != -1) { Serial.print("SCK = "); Serial.print("GPIO "); Serial.println(getPinName(user.pin_tft_clk)); }
#ifdef ARDUINO_ARCH_ESP8266
if (user.overlap == true)
{
Serial.println("Overlap selected, following pins MUST be used:");
Serial.println("MOSI = SD1 (GPIO 8)");
Serial.println("MISO = SD0 (GPIO 7)");
Serial.println("SCK = CLK (GPIO 6)");
Serial.println("TFT_CS = D3 (GPIO 0)\n");
Serial.println("TFT_DC and TFT_RST pins can be user defined");
}
#endif
String pinNameRef = "GPIO ";
#ifdef ARDUINO_ARCH_ESP8266
pinNameRef = "PIN_D";
#endif
if (user.esp == 0x32F) {
Serial.println("\n>>>>> Note: STM32 pin references above D15 may not reflect board markings <<<<<");
pinNameRef = "D";
}
if (user.pin_tft_cs != -1) { Serial.print("TFT_CS = " + pinNameRef); Serial.println(getPinName(user.pin_tft_cs)); }
if (user.pin_tft_dc != -1) { Serial.print("TFT_DC = " + pinNameRef); Serial.println(getPinName(user.pin_tft_dc)); }
if (user.pin_tft_rst!= -1) { Serial.print("TFT_RST = " + pinNameRef); Serial.println(getPinName(user.pin_tft_rst)); }
if (user.pin_tch_cs != -1) { Serial.print("TOUCH_CS = " + pinNameRef); Serial.println(getPinName(user.pin_tch_cs)); }
if (user.pin_tft_wr != -1) { Serial.print("TFT_WR = " + pinNameRef); Serial.println(getPinName(user.pin_tft_wr)); }
if (user.pin_tft_rd != -1) { Serial.print("TFT_RD = " + pinNameRef); Serial.println(getPinName(user.pin_tft_rd)); }
if (user.pin_tft_d0 != -1) { Serial.print("\nTFT_D0 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d0)); }
if (user.pin_tft_d1 != -1) { Serial.print("TFT_D1 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d1)); }
if (user.pin_tft_d2 != -1) { Serial.print("TFT_D2 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d2)); }
if (user.pin_tft_d3 != -1) { Serial.print("TFT_D3 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d3)); }
if (user.pin_tft_d4 != -1) { Serial.print("TFT_D4 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d4)); }
if (user.pin_tft_d5 != -1) { Serial.print("TFT_D5 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d5)); }
if (user.pin_tft_d6 != -1) { Serial.print("TFT_D6 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d6)); }
if (user.pin_tft_d7 != -1) { Serial.print("TFT_D7 = " + pinNameRef); Serial.println(getPinName(user.pin_tft_d7)); }
#if defined (TFT_BL)
Serial.print("\nTFT_BL = " + pinNameRef); Serial.println(getPinName(user.pin_tft_led));
#if defined (TFT_BACKLIGHT_ON)
Serial.print("TFT_BACKLIGHT_ON = "); Serial.println(user.pin_tft_led_on == HIGH ? "HIGH" : "LOW");
#endif
#endif
Serial.println();
uint16_t fonts = tft.fontsLoaded();
if (fonts & (1 << 1)) Serial.print("Font GLCD loaded\n");
if (fonts & (1 << 2)) Serial.print("Font 2 loaded\n");
if (fonts & (1 << 4)) Serial.print("Font 4 loaded\n");
if (fonts & (1 << 6)) Serial.print("Font 6 loaded\n");
if (fonts & (1 << 7)) Serial.print("Font 7 loaded\n");
if (fonts & (1 << 9)) Serial.print("Font 8N loaded\n");
else
if (fonts & (1 << 8)) Serial.print("Font 8 loaded\n");
if (fonts & (1 << 15)) Serial.print("Smooth font enabled\n");
Serial.print("\n");
if (user.serial==1) { Serial.print("Display SPI frequency = "); Serial.println(user.tft_spi_freq/10.0); }
if (user.pin_tch_cs != -1) { Serial.print("Touch SPI frequency = "); Serial.println(user.tch_spi_freq/10.0); }
Serial.println("[/code]");
delay(3000);
}
void printProcessorName(void)
{
Serial.print("Processor = ");
if ( user.esp == 0x8266) Serial.println("ESP8266");
if ( user.esp == 0x32) Serial.println("ESP32");
if ( user.esp == 0x32F) Serial.println("STM32");
if ( user.esp == 0x2040) Serial.println("RP2040");
if ( user.esp == 0x0000) Serial.println("Generic");
}
// Get pin name
int8_t getPinName(int8_t pin)
{
// For ESP32 and RP2040 pin labels on boards use the GPIO number
if (user.esp == 0x32 || user.esp == 0x2040) return pin;
if (user.esp == 0x8266) {
// For ESP8266 the pin labels are not the same as the GPIO number
// These are for the NodeMCU pin definitions:
// GPIO Dxx
if (pin == 16) return 0;
if (pin == 5) return 1;
if (pin == 4) return 2;
if (pin == 0) return 3;
if (pin == 2) return 4;
if (pin == 14) return 5;
if (pin == 12) return 6;
if (pin == 13) return 7;
if (pin == 15) return 8;
if (pin == 3) return 9;
if (pin == 1) return 10;
if (pin == 9) return 11;
if (pin == 10) return 12;
}
if (user.esp == 0x32F) return pin;
return pin; // Invalid pin
}