Closed lullaby37 closed 4 years ago
CelliesProjects
commented
5 years ago Schematics can be found on the web. You could try this gist which should test only your ILI9341. Try to get it working without any other code/hardware and take it from there...
ILI9341 are a real pita and I spend several weeks testing and trying.
lullaby37
commented
5 years ago Hey man,
thanks for your help! As I said, I got it working using the example above. I will attach the code underneath. The gist you posted cannot be compiled, there are quite a few error messages in my case, so I cannot get it working... Yes, you are right, I could try and take it myself, but your code is just too complex for me. No idea how and what to change. I am glad that I could get the example for the tft working...
I still think it might by the wiring. Just to make sure. By saying "10k pullup" you mean a 10k resistor that connects the dataline between the esp-pin and the tft-pin to +3,3V, correct?
Thanks for your help, man!
lullaby37
commented
5 years ago
/***************************************************
This is our GFX example for the Adafruit ILI9341 Breakout and Shield
----> http://www.adafruit.com/products/1651
Check out the links above for our tutorials and wiring diagrams
These displays use SPI to communicate, 4 or 5 pins are required to
interface (RST is optional)
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
MIT license, all text above must be included in any redistribution
****************************************************/
#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
// For the Adafruit shield, these are the default.
#define TFT_DC 27
#define TFT_CLK 25
#define TFT_MOSI 32
#define TFT_MISO 39
#define TFT_CS 4
#define TFT_RST 12
// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
// If using the breakout, change pins as desired
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);
void setup() {
Serial.begin(9600);
Serial.println("ILI9341 Test!");
tft.begin();
// read diagnostics (optional but can help debug problems)
uint8_t x = tft.readcommand8(ILI9341_RDMODE);
Serial.print("Display Power Mode: 0x"); Serial.println(x, HEX);
x = tft.readcommand8(ILI9341_RDMADCTL);
Serial.print("MADCTL Mode: 0x"); Serial.println(x, HEX);
x = tft.readcommand8(ILI9341_RDPIXFMT);
Serial.print("Pixel Format: 0x"); Serial.println(x, HEX);
x = tft.readcommand8(ILI9341_RDIMGFMT);
Serial.print("Image Format: 0x"); Serial.println(x, HEX);
x = tft.readcommand8(ILI9341_RDSELFDIAG);
Serial.print("Self Diagnostic: 0x"); Serial.println(x, HEX);
Serial.println(F("Benchmark Time (microseconds)"));
delay(10);
Serial.print(F("Screen fill "));
Serial.println(testFillScreen());
delay(500);
Serial.print(F("Text "));
Serial.println(testText());
delay(3000);
Serial.print(F("Lines "));
Serial.println(testLines(ILI9341_CYAN));
delay(500);
Serial.print(F("Horiz/Vert Lines "));
Serial.println(testFastLines(ILI9341_RED, ILI9341_BLUE));
delay(500);
Serial.print(F("Rectangles (outline) "));
Serial.println(testRects(ILI9341_GREEN));
delay(500);
Serial.print(F("Rectangles (filled) "));
Serial.println(testFilledRects(ILI9341_YELLOW, ILI9341_MAGENTA));
delay(500);
Serial.print(F("Circles (filled) "));
Serial.println(testFilledCircles(10, ILI9341_MAGENTA));
Serial.print(F("Circles (outline) "));
Serial.println(testCircles(10, ILI9341_WHITE));
delay(500);
Serial.print(F("Triangles (outline) "));
Serial.println(testTriangles());
delay(500);
Serial.print(F("Triangles (filled) "));
Serial.println(testFilledTriangles());
delay(500);
Serial.print(F("Rounded rects (outline) "));
Serial.println(testRoundRects());
delay(500);
Serial.print(F("Rounded rects (filled) "));
Serial.println(testFilledRoundRects());
delay(500);
Serial.println(F("Done!"));
}
void loop(void) {
for(uint8_t rotation=0; rotation<4; rotation++) {
tft.setRotation(rotation);
testText();
delay(1000);
}
}
unsigned long testFillScreen() {
unsigned long start = micros();
tft.fillScreen(ILI9341_BLACK);
yield();
tft.fillScreen(ILI9341_RED);
yield();
tft.fillScreen(ILI9341_GREEN);
yield();
tft.fillScreen(ILI9341_BLUE);
yield();
tft.fillScreen(ILI9341_BLACK);
yield();
return micros() - start;
}
unsigned long testText() {
tft.fillScreen(ILI9341_BLACK);
unsigned long start = micros();
tft.setCursor(0, 0);
tft.setTextColor(ILI9341_WHITE); tft.setTextSize(1);
tft.println("Hello World!");
tft.setTextColor(ILI9341_YELLOW); tft.setTextSize(2);
tft.println(1234.56);
tft.setTextColor(ILI9341_RED); tft.setTextSize(3);
tft.println(0xDEADBEEF, HEX);
tft.println();
tft.setTextColor(ILI9341_GREEN);
tft.setTextSize(5);
tft.println("Groop");
tft.setTextSize(2);
tft.println("I implore thee,");
tft.setTextSize(1);
tft.println("my foonting turlingdromes.");
tft.println("And hooptiously drangle me");
tft.println("with crinkly bindlewurdles,");
tft.println("Or I will rend thee");
tft.println("in the gobberwarts");
tft.println("with my blurglecruncheon,");
tft.println("see if I don't!");
return micros() - start;
}
unsigned long testLines(uint16_t color) {
unsigned long start, t;
int x1, y1, x2, y2,
w = tft.width(),
h = tft.height();
tft.fillScreen(ILI9341_BLACK);
yield();
x1 = y1 = 0;
y2 = h - 1;
start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
x2 = w - 1;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
t = micros() - start; // fillScreen doesn't count against timing
yield();
tft.fillScreen(ILI9341_BLACK);
yield();
x1 = w - 1;
y1 = 0;
y2 = h - 1;
start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
x2 = 0;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
t += micros() - start;
yield();
tft.fillScreen(ILI9341_BLACK);
yield();
x1 = 0;
y1 = h - 1;
y2 = 0;
start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
x2 = w - 1;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
t += micros() - start;
yield();
tft.fillScreen(ILI9341_BLACK);
yield();
x1 = w - 1;
y1 = h - 1;
y2 = 0;
start = micros();
for(x2=0; x2<w; x2+=6) tft.drawLine(x1, y1, x2, y2, color);
x2 = 0;
for(y2=0; y2<h; y2+=6) tft.drawLine(x1, y1, x2, y2, color);
yield();
return micros() - start;
}
unsigned long testFastLines(uint16_t color1, uint16_t color2) {
unsigned long start;
int x, y, w = tft.width(), h = tft.height();
tft.fillScreen(ILI9341_BLACK);
start = micros();
for(y=0; y<h; y+=5) tft.drawFastHLine(0, y, w, color1);
for(x=0; x<w; x+=5) tft.drawFastVLine(x, 0, h, color2);
return micros() - start;
}
unsigned long testRects(uint16_t color) {
unsigned long start;
int n, i, i2,
cx = tft.width() / 2,
cy = tft.height() / 2;
tft.fillScreen(ILI9341_BLACK);
n = min(tft.width(), tft.height());
start = micros();
for(i=2; i<n; i+=6) {
i2 = i / 2;
tft.drawRect(cx-i2, cy-i2, i, i, color);
}
return micros() - start;
}
unsigned long testFilledRects(uint16_t color1, uint16_t color2) {
unsigned long start, t = 0;
int n, i, i2,
cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(ILI9341_BLACK);
n = min(tft.width(), tft.height());
for(i=n; i>0; i-=6) {
i2 = i / 2;
start = micros();
tft.fillRect(cx-i2, cy-i2, i, i, color1);
t += micros() - start;
// Outlines are not included in timing results
tft.drawRect(cx-i2, cy-i2, i, i, color2);
yield();
}
return t;
}
unsigned long testFilledCircles(uint8_t radius, uint16_t color) {
unsigned long start;
int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;
tft.fillScreen(ILI9341_BLACK);
start = micros();
for(x=radius; x<w; x+=r2) {
for(y=radius; y<h; y+=r2) {
tft.fillCircle(x, y, radius, color);
}
}
return micros() - start;
}
unsigned long testCircles(uint8_t radius, uint16_t color) {
unsigned long start;
int x, y, r2 = radius * 2,
w = tft.width() + radius,
h = tft.height() + radius;
// Screen is not cleared for this one -- this is
// intentional and does not affect the reported time.
start = micros();
for(x=0; x<w; x+=r2) {
for(y=0; y<h; y+=r2) {
tft.drawCircle(x, y, radius, color);
}
}
return micros() - start;
}
unsigned long testTriangles() {
unsigned long start;
int n, i, cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(ILI9341_BLACK);
n = min(cx, cy);
start = micros();
for(i=0; i<n; i+=5) {
tft.drawTriangle(
cx , cy - i, // peak
cx - i, cy + i, // bottom left
cx + i, cy + i, // bottom right
tft.color565(i, i, i));
}
return micros() - start;
}
unsigned long testFilledTriangles() {
unsigned long start, t = 0;
int i, cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(ILI9341_BLACK);
start = micros();
for(i=min(cx,cy); i>10; i-=5) {
start = micros();
tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
tft.color565(0, i*10, i*10));
t += micros() - start;
tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
tft.color565(i*10, i*10, 0));
yield();
}
return t;
}
unsigned long testRoundRects() {
unsigned long start;
int w, i, i2,
cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(ILI9341_BLACK);
w = min(tft.width(), tft.height());
start = micros();
for(i=0; i<w; i+=6) {
i2 = i / 2;
tft.drawRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(i, 0, 0));
}
return micros() - start;
}
unsigned long testFilledRoundRects() {
unsigned long start;
int i, i2,
cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(ILI9341_BLACK);
start = micros();
for(i=min(tft.width(), tft.height()); i>20; i-=6) {
i2 = i / 2;
tft.fillRoundRect(cx-i2, cy-i2, i, i, i/8, tft.color565(0, i, 0));
yield();
}
return micros() - start;
}#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"What are your library versions?
Oh and place 4 backticks ( ` ) before and after you post code, this make the code much more readable.
CelliesProjects
commented
5 years ago Using library Adafruit_ILI9341 at version 1.5.1 in folder: /home/cellie/Arduino/libraries/Adafruit_ILI9341
Using library Adafruit_GFX_Library at version 1.5.6 in folder: /home/cellie/Arduino/libraries/Adafruit_GFX_Library
Using library ESP8266_and_ESP32_Oled_Driver_for_SSD1306_display at version 4.0.0 in folder: /home/cellie/Arduino/libraries/ESP8266_and_ESP32_Oled_Driver_for_SSD1306_display
Using library XPT2046_Touchscreen at version 1.3 in folder: /home/cellie/Arduino/libraries/XPT2046_Touchscreen
Using library AsyncTCP at version 1.0.3 in folder: /home/cellie/Arduino/libraries/AsyncTCP
Using library ESPAsyncWebServer at version 1.2.2 in folder: /home/cellie/Arduino/hardware/espressif/esp32/libraries/ESPAsyncWebServer
Using library moonPhase at version 1.0.0 in folder: /home/cellie/Arduino/hardware/espressif/esp32/libraries/moonPhase
Using library FFatSensor at version 1.0.0 in folder: /home/cellie/Arduino/hardware/espressif/esp32/libraries/FFatSensor
Using library Task at version 1.0.0 in folder: /home/cellie/Arduino/hardware/espressif/esp32/libraries/Task
Using library OneWire at version 2.3.3 in folder: /home/cellie/Arduino/hardware/espressif/esp32/libraries/OneWire These are the correct version numbers of all libs.
CelliesProjects
commented
5 years ago This is in short what happens in aquacontrol:
Adafruit_ILI9341 tft = Adafruit_ILI9341( SPI_TFT_CS_PIN, SPI_TFT_DC_PIN, SPI_TFT_RST_PIN ) allocates pins for the breakout board TFT.SPI.begin( SPI_SCK_PIN, SPI_MISO_PIN, SPI_MOSI_PIN ) the HW SPI pins are allocated and HW SPI is started.tft.begin( TFT_SPI_CLOCK ) with the bus speed as argument(10Mhz in aquacontrol), as all pin values are already set with the previous commands.Your working code has this constructor:
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);
Setting all values in the tft constructor is fine if the tft is the only SPI slave, but there is also a touchscreen attached to the SPI bus.
lullaby37
commented
5 years ago Hey, thanks for your help and the answers. I forgot to say that the libraries are all in the versions you have. That was actually the first thing I checked. But you are right, it is the constructor that is causing problems.
If I change the constructor in the working example code from
// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
// If using the breakout, change pins as desired
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);to
// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
// If using the breakout, change pins as desired
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);then the second code will only give me a white screen. So it seems that my display wants me to set all values in the constructor. Strange. Do you know any idea to make it somehow work?
Cheers! PS: Donated some money, please have a beer or coffee for taking the time to look into the matter.
lullaby37
commented
5 years ago Hey,
I read that the adafruit library needs the reset pin in the constructor. I tried this, but this also only gives a white screen. The only possible way in the graphictest example is the full constructor
So this version does not work either
// For the Adafruit shield, these are the default.
#define TFT_DC 27
#define TFT_CLK 25
#define TFT_MOSI 32
#define TFT_MISO 39
#define TFT_CS 4
#define TFT_RST 12
// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);
// If using the breakout, change pins as desired
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);Hi lullaby37. Managed to solve your issue?
CelliesProjects
commented
4 years ago Closed for now.
Hey,
sorry to bother you again with another request. I got everything set up and working but I am still struggling with the ILI9341. I tried two different displays and several ways of wiring, yet iut does not work.
I have bought the following displays: https://de.aliexpress.com/item/32960934541.html https://de.aliexpress.com/item/33012793224.html
They both work using the following example: https://educ8s.tv/arduino-2-8-ili9341-tutorial/
Yet I cannot get them to work with your project. I think it might be duw to the wiring. I checked wiring several time but I cannot find a mistake. I connected pins as shown in "tft_board_pins". As for the Pullups, I used a 10k resistors to connect the board pins to +3,3V. AS for TFT LED I went directly from PIN 2 using a 100Ohm resistor. I am stuck and I cannot find my mistake, so maybe schematics would be useful. If you want, I can draw my shematics and you point out the mistakes? Sorry to bother you again and thanks for your help.