Arduino 1.6.13

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PaulStoffregen

PaulStoffregen

Well-known member
Arduino.cc just released version 1.6.13. I'm porting Teensyduino now... hope to have a beta installer out later today.
 
Nudge, nudge:

Arduino:
avr-gcc.exe --version
avr-gcc.exe (GCC) 4.9.2

Teensy:
arm-none-eabi-gcc.exe --version
arm-none-eabi-gcc.exe (GNU Tools for ARM Embedded Processors) 4.8.4 20140725 (release) [ARM/embedded-4_8-branch revision 213147]

ARM Embedded Toolchain is now at 5.4.
 
Toolchain update will only happen when we're not under time pressure, where there's plenty of time for lengthy beta testing.
 
I'm packaging up 1.32-beta1 right now. Sorry, can't delay... need *something* to support 1.6.13 now.

Will look at a ton of pending pull requests over the next few days, for 1.32-beta2.
 
Ok, 1.32-beta1 is published. Well, except for slow Raspberry Pi compiling...

Now's the time to remind me of any bugs or improvements that ought to go into 1.32-beta2. I know there's a huge number of pull requests pending. I hope to get through most of them between now and Monday.

My goal is 1.32-beta2 on Monday or Tuesday, and probably a third beta limited to (mostly) only bug fixes. Anything that ought to make it into 1.32 that's not a bug fix needs to happen within the next few days.
 
Is there anything new and cool in 1.6.13?

I'd like to see if there is a way to have the USB_INIT delay altered for faster startup - even if only under advanced user control with editable compile time #ifdef's. I'll look at my pull request and put some notes there. I have this split resulting in 300+ ms speedup in Serial online on my two machines tested so far when using TYQT it is online in just over 400ms:
delay(20); // was delay(400);
usb_init();
delay(380);
Click to expand...

Also if you read my ZILCH posts I saw an empty loop(){qBlink();} sketch on T_3.6 go from under 700K FreqMeas to over 2.2M cycles when I edited yield() to not check the 6 unused Serial# for each serialEvent. I did a quick try at a simple array that was init to FALSE and set TRUE for a port that got a .begin() - and then checked that BOOL before doing "if (Serial1.available()) serialEvent1();" and saw a marginal improvement. Does > if (Serial1) work the same as > if (Serial)? That would take out the array reference and I didn't look at that.
 
Looking at 1.6.13 not sure of any important new things here:
* Improved robustness of Serial Plotter while dealing with malformed or partial data. Thanks @xloem.
* Fixed regression on command line upload.
* Bugifx installing libraries from command line: the IDE tries to update the libraries index but it
didn't use it straight away (this caused issues mainly on CI environments)
* Libraries and Boards Managers: if a download error happens (CRC error) the IDE tries to download the file again
without the need to remove the corrupted file manually.
* Improved serial plotter with horizontal axis and grid. Thanks @duff2013
* Windows: Improved DPI detection
* Fixed a bunch of small bugs in the editor.

[core]
* avr: set default values for "upload.verify" and "program.verify" (allows compatibility with older IDE). Thanks @per1234
Click to expand...
Other than from duff! :D
 
Yeah, other than Duff's library, it's just a bunch of small fixes (both Arduino and Teensy) for minor issues that impact relatively few people.

Though not mentioned in the changes, I also improved some of the messages the Teensyduino installer shows, in hopes of solving not-very-common confusion some people have. Such tiny improvements are hardly worth an upgrade, but over time they all add up to a (hopefully) smoother & more refined user experience.
 
PaulStoffregen said:
Ok, 1.32-beta1 is published. Well, except for slow Raspberry Pi compiling...

Now's the time to remind me of any bugs or improvements that ought to go into 1.32-beta2. I know there's a huge number of pull requests pending. I hope to get through most of them between now and Monday.

My goal is 1.32-beta2 on Monday or Tuesday, and probably a third beta limited to (mostly) only bug fixes. Anything that ought to make it into 1.32 that's not a bug fix needs to happen within the next few days.
Click to expand...

It would be nice if the recent changes to Adafruit_ST7735 that support the 128x128 TFT LCD displays got ported to the Teensy version (https://www.adafruit.com/products/2088).

However it isn't blocking me personally as I typically use the OLED display (Adafruit_SSD1351) now. I just don't load the Teensy version when I do a new install. But, I'm sure there are other people that might want to use the display.
 
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Just tested the ILI9341 touch screen display running a modified calibration program and all is fine.

Trying to get an ArduCam OV5642 module to compile but numerous problems with SD calls, and not related to the 1.32 beta. Same problem on V1.6.12/1.31.
 
HI Paul,

A couple of things, that may or may not make sense to add to Beta2.

SublimeText:
Would be nice to be able to be able to integrate into SublimeText as IDE without having to modify platform.txt each time I install Teensyduino, as I mention in the thread:
https://forum.pjrc.com/threads/3839...DE-replacement?p=119829&viewfull=1#post119829

The issue I have not solved within their stuff so far is the hard coding of path when creating archive.

I fixed it by changing the line into two lines similar to what is in the main arduino avr platform.txt.
Changed:
Code: 
recipe.ar.pattern="{compiler.path}{build.toolchain}{build.command.ar}" rcs "{build.path}/core/{archive_file}" "{object_file}"
to:
Code: 
archive_file_path={build.path}/{archive_file}
recipe.ar.pattern="{compiler.path}{build.toolchain}{build.command.ar}"  rcs "{archive_file_path}" "{object_file}"
Note: the AVR version did not hard code rcs either but did not appear to hurt anything here.

Spin - SPI changes
Not sure if it makes sense to add my SPIN ( https://github.com/KurtE/SPIN ) library? I got tired of trying to adapt some SPI code to allow users to use different SPI busses, without having code like:
if(_spibuss == 0) SPI.transfer(x); else if (_spibuss == 1) SPI1.transfer(x); else if (_spibuss == 2) SPI2.transfer(x); ...

So made virtual class for SPI... I am using this now in my ili9341_t3n library, and I am playing around with code to be able to use it in TFT_9163C library (or may turn in to related library). With 9163, I have it building, but my first display may have arrived DOA as it is not responding at all (2 more arriving Friday). If I get it working may also then updates it's LC multi-buss handling as well.

A few methods I added to spin, that to me make sense to migrate down to SPI, include:
Code: 
virtual bool pinIsMOSI(uint8_t pin) = 0;
virtual bool pinIsMISO(uint8_t pin) = 0;
virtual bool pinIsSCK(uint8_t pin) = 0;
Follows the same ideas as: pinIsCS. Obviously not the virtual part, but would be nice to not have to have code in every one driver or the like, that check for valid MISO pins and when new hardware is added like T3.6 with new valid pins having to update each of these to be able to use them....

If interested in any of this stuff, let me know if there is something I can do to help.

Kurt
 
+1 on SPIN. I'm just starting a project to combine an ILI9341 touch display with an ArduCam OV5642 or OV2640, whichever works first. The camera libraries seem to be intended for Uno and Mega boards and are troublesome with a T36.
 
PaulStoffregen said:
I've got a ST7735 on my desk right now. Planning to look at it tomorrow morning or Friday.
Click to expand...

Great! My main use has been the animated eyes sketch: https://learn.adafruit.com/animated-electronic-eyes-using-teensy-3-1, configured for ST7735.

<edit>
The stuff to add the defines for the 128x128 display was pretty simple. However, if you choose pins that are hardware CS pins, the above script doesn't work. The adafruit library did not have the new hardware optimization that is in the current Teensy library, but the sketch does the DMA speedups on its own (it only uses the library to set up the chip). If I edit the teensy library to remove the tests for the hardware optimization, it worked fine. So, it may be there are changes needed to the sketch to play nice with the current Teensy library.
 
Last edited:
Starting with 1.32-beta2, I'm going to rename the Teensy-optimized version to ST7735_t3. Like we do now for ILI9341_t3, this will allow using Adafruit's original or easily switching between them without conflicts.

The optimized code has lagged pretty far behind. I'm going to start doing some updates, but it's unlikely everything can happen by 1.32 release.
 
PaulStoffregen said:
Starting with 1.32-beta2, I'm going to rename the Teensy-optimized version to ST7735_t3. Like we do now for ILI9341_t3, this will allow using Adafruit's original or easily switching between them without conflicts.

The optimized code has lagged pretty far behind. I'm going to start doing some updates, but it's unlikely everything can happen by 1.32 release.
Click to expand...

Fair enough.... Yeah, after doing the simple stuff for the 128x128 screen, I was soon over my head looking at the code.
 
Paul, I took the generic ST7735 example that works for the Adafruit library, and adapted it for ST7735_t3. I didn't bother to clip the screen to 128x128. It uploads, but with my generic screen I just get a white screen. The serial console lists all of the standard lines that the Adafruit example does. I'm using a Teensy 3.1 to drive the display,

Code: 
/***************************************************
  This is an example sketch for the Adafruit 1.8" SPI display.
  This library works with the Adafruit 1.8" TFT Breakout w/SD card
  ----> http://www.adafruit.com/products/358
  as well as Adafruit raw 1.8" TFT display
  ----> http://www.adafruit.com/products/618
 
  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
 ****************************************************/

// This Teensy3 native optimized version requires specific pins
//
#define sclk 13  // SCLK can also use pin 14
#define mosi 11  // MOSI can also use pin 7
#define cs   10  // CS & DC can use pins 2, 6, 9, 10, 15, 20, 21, 22, 23
#define dc   A1  //  but certain pairs must NOT be used: 2+10, 6+9, 20+23, 21+22
#define rst  8   // RST can use any pin
#define sdcs 4   // CS for SD card, can use any pin

#include <Adafruit_GFX.h>	// Core graphics library
#include <ST7735_t3.h>		// Teensy-specific library
#include <SPI.h>

// Option 1: use any pins but a little slower
//Adafruit_ST7735 tft = Adafruit_ST7735(cs, dc, mosi, sclk, rst);

// Option 2: must use the hardware SPI pins
// (for UNO thats sclk = 13 and sid = 11) and pin 10 must be
// an output. This is much faster - also required if you want
// to use the microSD card (see the image drawing example)
ST7735_t3 tft = ST7735_t3(cs, dc, rst);
float p = 3.1415926;

 
#define Neutral 0
#define Press 1
#define Up 2
#define Down 3
#define Right 4
#define Left 5
 
// Check the joystick position
int CheckJoystick()
{
  int joystickState = analogRead(3);
  
  if (joystickState < 50) return Left;
  if (joystickState < 150) return Down;
  if (joystickState < 250) return Press;
  if (joystickState < 500) return Right;
  if (joystickState < 650) return Up;
  return Neutral;
}


void setup(void) {
  pinMode(sdcs, INPUT_PULLUP);  // don't touch the SD card
  Serial.begin(9600);
  Serial.print("hello!");

  // Our supplier changed the 1.8" display slightly after Jan 10, 2012
  // so that the alignment of the TFT had to be shifted by a few pixels
  // this just means the init code is slightly different. Check the
  // color of the tab to see which init code to try. If the display is
  // cut off or has extra 'random' pixels on the top & left, try the
  // other option!
  // If you are seeing red and green color inversion, use Black Tab

  // If your TFT's plastic wrap has a Black Tab, use the following:
  //tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab
  // If your TFT's plastic wrap has a Red Tab, use the following:
  //tft.initR(INITR_REDTAB);   // initialize a ST7735R chip, red tab
  // If your TFT's plastic wrap has a Green Tab, use the following:
  //tft.initR(INITR_GREENTAB); // initialize a ST7735R chip, green tab

  //tft.initR(INITR_144GREENTAB); // initialize a ST7735R chip with 128x128 display, green tab
  tft.initR(INITR_GREENTAB); // initialize a ST7735R chip, green tab

  Serial.println("init");

  uint16_t time = millis();
  tft.fillScreen(ST7735_BLACK);
  time = millis() - time;

  Serial.println(time, DEC);
  delay(500);

  // large block of text
  tft.fillScreen(ST7735_BLACK);
  testdrawtext("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur adipiscing ante sed nibh tincidunt feugiat. Maecenas enim massa, fringilla sed malesuada et, malesuada sit amet turpis. Sed porttitor neque ut ante pretium vitae malesuada nunc bibendum. Nullam aliquet ultrices massa eu hendrerit. Ut sed nisi lorem. In vestibulum purus a tortor imperdiet posuere. ", ST7735_WHITE);
  delay(1000);

  // tft print function!
  tftPrintTest();
  delay(4000);

  // a single pixel
  tft.drawPixel(tft.width()/2, tft.height()/2, ST7735_GREEN);
  delay(500);

  // line draw test
  testlines(ST7735_YELLOW);
  delay(500);

  // optimized lines
  testfastlines(ST7735_RED, ST7735_BLUE);
  delay(500);

  testdrawrects(ST7735_GREEN);
  delay(500);

  testfillrects(ST7735_YELLOW, ST7735_MAGENTA);
  delay(500);

  tft.fillScreen(ST7735_BLACK);
  testfillcircles(10, ST7735_BLUE);
  testdrawcircles(10, ST7735_WHITE);
  delay(500);

  testroundrects();
  delay(500);

  testtriangles();
  delay(500);

  mediabuttons();
  delay(500);

  Serial.println("done");
  delay(1000);
}

void loop() {
  tft.invertDisplay(true);
  delay(500);
  tft.invertDisplay(false);
  delay(500);
  int joy = CheckJoystick();
  switch (joy)
  {
    case Left:
      Serial.println("Left");
      break;
    case Right:
      Serial.println("Right");
      break;
    case Up:
      Serial.println("Up");
      break;
    case Down:
      Serial.println("Down");
      break;
    case Press:
      Serial.println("Press");
      break;
  }
}

void testlines(uint16_t color) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(0, 0, x, tft.height()-1, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(0, 0, tft.width()-1, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(tft.width()-1, 0, 0, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(0, tft.height()-1, x, 0, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);
  }
}

void testdrawtext(char *text, uint16_t color) {
  tft.setCursor(0, 0);
  tft.setTextColor(color);
  tft.setTextWrap(true);
  tft.print(text);
}

void testfastlines(uint16_t color1, uint16_t color2) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t y=0; y < tft.height(); y+=5) {
    tft.drawFastHLine(0, y, tft.width(), color1);
  }
  for (int16_t x=0; x < tft.width(); x+=5) {
    tft.drawFastVLine(x, 0, tft.height(), color2);
  }
}

void testdrawrects(uint16_t color) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color);
  }
}

void testfillrects(uint16_t color1, uint16_t color2) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=tft.width()-1; x > 6; x-=6) {
    tft.fillRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color1);
    tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color2);
  }
}

void testfillcircles(uint8_t radius, uint16_t color) {
  for (int16_t x=radius; x < tft.width(); x+=radius*2) {
    for (int16_t y=radius; y < tft.height(); y+=radius*2) {
      tft.fillCircle(x, y, radius, color);
    }
  }
}

void testdrawcircles(uint8_t radius, uint16_t color) {
  for (int16_t x=0; x < tft.width()+radius; x+=radius*2) {
    for (int16_t y=0; y < tft.height()+radius; y+=radius*2) {
      tft.drawCircle(x, y, radius, color);
    }
  }
}

void testtriangles() {
  tft.fillScreen(ST7735_BLACK);
  int color = 0xF800;
  int t;
  int w = 63;
  int x = 159;
  int y = 0;
  int z = 127;
  for(t = 0 ; t <= 15; t+=1) {
    tft.drawTriangle(w, y, y, x, z, x, color);
    x-=4;
    y+=4;
    z-=4;
    color+=100;
  }
}

void testroundrects() {
  tft.fillScreen(ST7735_BLACK);
  int color = 100;
  int i;
  int t;
  for(t = 0 ; t <= 4; t+=1) {
    int x = 0;
    int y = 0;
    int w = 127;
    int h = 159;
    for(i = 0 ; i <= 24; i+=1) {
      tft.drawRoundRect(x, y, w, h, 5, color);
      x+=2;
      y+=3;
      w-=4;
      h-=6;
      color+=1100;
    }
    color+=100;
  }
}

void tftPrintTest() {
  tft.setTextWrap(false);
  tft.fillScreen(ST7735_BLACK);
  tft.setCursor(0, 30);
  tft.setTextColor(ST7735_RED);
  tft.setTextSize(1);
  tft.println("Hello World!");
  tft.setTextColor(ST7735_YELLOW);
  tft.setTextSize(2);
  tft.println("Hello World!");
  tft.setTextColor(ST7735_GREEN);
  tft.setTextSize(3);
  tft.println("Hello World!");
  tft.setTextColor(ST7735_BLUE);
  tft.setTextSize(4);
  tft.print(1234.567);
  delay(1500);
  tft.setCursor(0, 0);
  tft.fillScreen(ST7735_BLACK);
  tft.setTextColor(ST7735_WHITE);
  tft.setTextSize(0);
  tft.println("Hello World!");
  tft.setTextSize(1);
  tft.setTextColor(ST7735_GREEN);
  tft.print(p, 6);
  tft.println(" Want pi?");
  tft.println(" ");
  tft.print(8675309, HEX); // print 8,675,309 out in HEX!
  tft.println(" Print HEX!");
  tft.println(" ");
  tft.setTextColor(ST7735_WHITE);
  tft.println("Sketch has been");
  tft.println("running for: ");
  tft.setTextColor(ST7735_MAGENTA);
  tft.print(millis() / 1000);
  tft.setTextColor(ST7735_WHITE);
  tft.print(" seconds.");
}

void mediabuttons() {
  // play
  tft.fillScreen(ST7735_BLACK);
  tft.fillRoundRect(25, 10, 78, 60, 8, ST7735_WHITE);
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_RED);
  delay(500);
  // pause
  tft.fillRoundRect(25, 90, 78, 60, 8, ST7735_WHITE);
  tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_GREEN);
  tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_GREEN);
  delay(500);
  // play color
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_BLUE);
  delay(50);
  // pause color
  tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_RED);
  tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_RED);
  // play color
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_GREEN);
}
 
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Just for reference, this is the source I cloned the above file from that works fine with the Adafruit library:

Code: 
/***************************************************
  This is an example sketch for the Adafruit 1.8" SPI display.
  This library works with the Adafruit 1.8" TFT Breakout w/SD card
  ----> http://www.adafruit.com/products/358
  as well as Adafruit raw 1.8" TFT display
  ----> http://www.adafruit.com/products/618
 
  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
 ****************************************************/

// This Teensy3 native optimized version requires specific pins
//
#define sclk 13  // SCLK can also use pin 14
#define mosi 11  // MOSI can also use pin 7
#define cs   10  // CS & DC can use pins 2, 6, 9, 10, 15, 20, 21, 22, 23
#define dc   A1  //  but certain pairs must NOT be used: 2+10, 6+9, 20+23, 21+22
#define rst  8   // RST can use any pin
#define sdcs 4   // CS for SD card, can use any pin

#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7735.h> // Hardware-specific library
#include <SPI.h>

#if defined(__SAM3X8E__)
    #undef __FlashStringHelper::F(string_literal)
    #define F(string_literal) string_literal
#endif

// Option 1: use any pins but a little slower
//Adafruit_ST7735 tft = Adafruit_ST7735(cs, dc, mosi, sclk, rst);

// Option 2: must use the hardware SPI pins
// (for UNO thats sclk = 13 and sid = 11) and pin 10 must be
// an output. This is much faster - also required if you want
// to use the microSD card (see the image drawing example)
Adafruit_ST7735 tft = Adafruit_ST7735(cs, dc, rst);
float p = 3.1415926;

 
#define Neutral 0
#define Press 1
#define Up 2
#define Down 3
#define Right 4
#define Left 5
 
// Check the joystick position
int CheckJoystick()
{
  int joystickState = analogRead(3);
  
  if (joystickState < 50) return Left;
  if (joystickState < 150) return Down;
  if (joystickState < 250) return Press;
  if (joystickState < 500) return Right;
  if (joystickState < 650) return Up;
  return Neutral;
}


void setup(void) {
  pinMode(sdcs, INPUT_PULLUP);  // don't touch the SD card
  Serial.begin(9600);
  Serial.print("hello!");

  // Our supplier changed the 1.8" display slightly after Jan 10, 2012
  // so that the alignment of the TFT had to be shifted by a few pixels
  // this just means the init code is slightly different. Check the
  // color of the tab to see which init code to try. If the display is
  // cut off or has extra 'random' pixels on the top & left, try the
  // other option!
  // If you are seeing red and green color inversion, use Black Tab

  // If your TFT's plastic wrap has a Black Tab, use the following:
  //tft.initR(INITR_BLACKTAB);   // initialize a ST7735S chip, black tab
  // If your TFT's plastic wrap has a Red Tab, use the following:
  //tft.initR(INITR_REDTAB);   // initialize a ST7735R chip, red tab
  // If your TFT's plastic wrap has a Green Tab, use the following:
  //tft.initR(INITR_GREENTAB); // initialize a ST7735R chip, green tab

  //tft.initR(INITR_144GREENTAB); // initialize a ST7735R chip with 128x128 display, green tab
  tft.initR(INITR_GREENTAB); // initialize a ST7735R chip, green tab

  Serial.println("init");

  uint16_t time = millis();
  tft.fillScreen(ST7735_BLACK);
  time = millis() - time;

  Serial.println(time, DEC);
  delay(500);

  // large block of text
  tft.fillScreen(ST7735_BLACK);
  testdrawtext("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur adipiscing ante sed nibh tincidunt feugiat. Maecenas enim massa, fringilla sed malesuada et, malesuada sit amet turpis. Sed porttitor neque ut ante pretium vitae malesuada nunc bibendum. Nullam aliquet ultrices massa eu hendrerit. Ut sed nisi lorem. In vestibulum purus a tortor imperdiet posuere. ", ST7735_WHITE);
  delay(1000);

  // tft print function!
  tftPrintTest();
  delay(4000);

  // a single pixel
  tft.drawPixel(tft.width()/2, tft.height()/2, ST7735_GREEN);
  delay(500);

  // line draw test
  testlines(ST7735_YELLOW);
  delay(500);

  // optimized lines
  testfastlines(ST7735_RED, ST7735_BLUE);
  delay(500);

  testdrawrects(ST7735_GREEN);
  delay(500);

  testfillrects(ST7735_YELLOW, ST7735_MAGENTA);
  delay(500);

  tft.fillScreen(ST7735_BLACK);
  testfillcircles(10, ST7735_BLUE);
  testdrawcircles(10, ST7735_WHITE);
  delay(500);

  testroundrects();
  delay(500);

  testtriangles();
  delay(500);

  mediabuttons();
  delay(500);

  Serial.println("done");
  delay(1000);
}

void loop() {
  tft.invertDisplay(true);
  delay(500);
  tft.invertDisplay(false);
  delay(500);
  int joy = CheckJoystick();
  switch (joy)
  {
    case Left:
      Serial.println("Left");
      break;
    case Right:
      Serial.println("Right");
      break;
    case Up:
      Serial.println("Up");
      break;
    case Down:
      Serial.println("Down");
      break;
    case Press:
      Serial.println("Press");
      break;
  }
}

void testlines(uint16_t color) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(0, 0, x, tft.height()-1, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(0, 0, tft.width()-1, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(tft.width()-1, 0, x, tft.height()-1, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(tft.width()-1, 0, 0, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(0, tft.height()-1, x, 0, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(0, tft.height()-1, tft.width()-1, y, color);
  }

  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawLine(tft.width()-1, tft.height()-1, x, 0, color);
  }
  for (int16_t y=0; y < tft.height(); y+=6) {
    tft.drawLine(tft.width()-1, tft.height()-1, 0, y, color);
  }
}

void testdrawtext(char *text, uint16_t color) {
  tft.setCursor(0, 0);
  tft.setTextColor(color);
  tft.setTextWrap(true);
  tft.print(text);
}

void testfastlines(uint16_t color1, uint16_t color2) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t y=0; y < tft.height(); y+=5) {
    tft.drawFastHLine(0, y, tft.width(), color1);
  }
  for (int16_t x=0; x < tft.width(); x+=5) {
    tft.drawFastVLine(x, 0, tft.height(), color2);
  }
}

void testdrawrects(uint16_t color) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=0; x < tft.width(); x+=6) {
    tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color);
  }
}

void testfillrects(uint16_t color1, uint16_t color2) {
  tft.fillScreen(ST7735_BLACK);
  for (int16_t x=tft.width()-1; x > 6; x-=6) {
    tft.fillRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color1);
    tft.drawRect(tft.width()/2 -x/2, tft.height()/2 -x/2 , x, x, color2);
  }
}

void testfillcircles(uint8_t radius, uint16_t color) {
  for (int16_t x=radius; x < tft.width(); x+=radius*2) {
    for (int16_t y=radius; y < tft.height(); y+=radius*2) {
      tft.fillCircle(x, y, radius, color);
    }
  }
}

void testdrawcircles(uint8_t radius, uint16_t color) {
  for (int16_t x=0; x < tft.width()+radius; x+=radius*2) {
    for (int16_t y=0; y < tft.height()+radius; y+=radius*2) {
      tft.drawCircle(x, y, radius, color);
    }
  }
}

void testtriangles() {
  tft.fillScreen(ST7735_BLACK);
  int color = 0xF800;
  int t;
  int w = 63;
  int x = 159;
  int y = 0;
  int z = 127;
  for(t = 0 ; t <= 15; t+=1) {
    tft.drawTriangle(w, y, y, x, z, x, color);
    x-=4;
    y+=4;
    z-=4;
    color+=100;
  }
}

void testroundrects() {
  tft.fillScreen(ST7735_BLACK);
  int color = 100;
  int i;
  int t;
  for(t = 0 ; t <= 4; t+=1) {
    int x = 0;
    int y = 0;
    int w = 127;
    int h = 159;
    for(i = 0 ; i <= 24; i+=1) {
      tft.drawRoundRect(x, y, w, h, 5, color);
      x+=2;
      y+=3;
      w-=4;
      h-=6;
      color+=1100;
    }
    color+=100;
  }
}

void tftPrintTest() {
  tft.setTextWrap(false);
  tft.fillScreen(ST7735_BLACK);
  tft.setCursor(0, 30);
  tft.setTextColor(ST7735_RED);
  tft.setTextSize(1);
  tft.println("Hello World!");
  tft.setTextColor(ST7735_YELLOW);
  tft.setTextSize(2);
  tft.println("Hello World!");
  tft.setTextColor(ST7735_GREEN);
  tft.setTextSize(3);
  tft.println("Hello World!");
  tft.setTextColor(ST7735_BLUE);
  tft.setTextSize(4);
  tft.print(1234.567);
  delay(1500);
  tft.setCursor(0, 0);
  tft.fillScreen(ST7735_BLACK);
  tft.setTextColor(ST7735_WHITE);
  tft.setTextSize(0);
  tft.println("Hello World!");
  tft.setTextSize(1);
  tft.setTextColor(ST7735_GREEN);
  tft.print(p, 6);
  tft.println(" Want pi?");
  tft.println(" ");
  tft.print(8675309, HEX); // print 8,675,309 out in HEX!
  tft.println(" Print HEX!");
  tft.println(" ");
  tft.setTextColor(ST7735_WHITE);
  tft.println("Sketch has been");
  tft.println("running for: ");
  tft.setTextColor(ST7735_MAGENTA);
  tft.print(millis() / 1000);
  tft.setTextColor(ST7735_WHITE);
  tft.print(" seconds.");
}

void mediabuttons() {
  // play
  tft.fillScreen(ST7735_BLACK);
  tft.fillRoundRect(25, 10, 78, 60, 8, ST7735_WHITE);
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_RED);
  delay(500);
  // pause
  tft.fillRoundRect(25, 90, 78, 60, 8, ST7735_WHITE);
  tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_GREEN);
  tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_GREEN);
  delay(500);
  // play color
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_BLUE);
  delay(50);
  // pause color
  tft.fillRoundRect(39, 98, 20, 45, 5, ST7735_RED);
  tft.fillRoundRect(69, 98, 20, 45, 5, ST7735_RED);
  // play color
  tft.fillTriangle(42, 20, 42, 60, 90, 40, ST7735_GREEN);
}
 
FWIW, I changed the INITR_GREENTAB to INITR_144GREENTAB (which is the proper initialization for the 128x128 screen), and the version using ST7735_t3 just gives a white screen, while the version using Adafruit_ST7735 (from Adafruit) displays the right text.

Here are the pin assignments I used:
Code: 
#define sclk 13  // SCLK can also use pin 14
#define mosi 11  // MOSI can also use pin 7
#define cs   10  // CS & DC can use pins 2, 6, 9, 10, 15, 20, 21, 22, 23
#define dc   A1  //  but certain pairs must NOT be used: 2+10, 6+9, 20+23, 21+22
#define rst  8   // RST can use any pin
#define sdcs 4   // CS for SD card, can use any pin

Note, pin 4 is not actually connect to the SD card.
 
I just retested ST7735_t3, and I can not reproduce the problem you're seeing.

I ran the graphicstest example on the 1.44" Adafruit display. The only edit I made to the code was uncommenting the INITR_144GREENTAB line:

Code: 
  // Use this initializer if you're using a 1.8" TFT
  //tft.initR(INITR_BLACKTAB);
  // Use this initializer (uncomment) if you're using a 1.44" TFT
  tft.initR(INITR_144GREENTAB);

As you can see in these photos, it seems to work fine.

tft1.jpg

tft2.jpg

Edit: are you sure you're using the latest version of ST7735_t3? I see you've got the old pin defs with lowercase. One of the later commits I made updated the examples to the uppercase style Adafruit started using in their newer versions.

Code: 
// This Teensy3 native optimized version requires specific pins
//
#define TFT_SCLK 13  // SCLK can also use pin 14
#define TFT_MOSI 11  // MOSI can also use pin 7
#define TFT_CS   10  // CS & DC can use pins 2, 6, 9, 10, 15, 20, 21, 22, 23
#define TFT_DC    9  //  but certain pairs must NOT be used: 2+10, 6+9, 20+23, 21+22
#define TFT_RST   8  // RST can use any pin
#define SD_CS     4  // CS for SD card, can use any pin
 
Last edited:
Thanks for looking into it. Given it is a cheap ebay clone, I think we can just put this to bed. I'll use the original Adafruit library if I want to use the display.

I did rebase my example off of the current graphicstest in the ST7735_t3 examples directory, and I even tried rewriting the display to match the example.
 
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