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  1. Replies
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    Problem resolved using RX1\TX1 at 9600 bauds all...

    Problem resolved using RX1\TX1 at 9600 bauds all work fine, i can receive image from http and display it to FT813.

    what exactly is Serial5 used for if it does not work, I guess it's just to...
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    Yes BUFFER_SIZE is modified accordingly. I use...

    Yes BUFFER_SIZE is modified accordingly.
    I use memcpy because I get binary data, if the character is <32 for example 0 or 2, are not ascii code, suddenly the character string is cut as soon as I...
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    you are right, the AT firmware pushes the...

    you are right, the AT firmware pushes the response data without control i read data fast to 115200, lose some bytes and time out.
    I will try to change the baud to 9600 or use the control flow RTS /...
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    may be the problem is for WiFiEsp library...

    may be the problem is for WiFiEsp library m_client is variable WiFiEspClient m_client; and m_client.read() come to WiFiEsp library, may be, esp-01 can not deliver more than 64k.
  5. Replies
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    i use teensy 3.6 with esp8266-01 with library...

    i use teensy 3.6 with esp8266-01 with library WiFiEsp and FT813 newhavendisplay , i connect esp-01 to an url with image and i save the image on the sd card, this work well with image less than 64k....
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    thank you for your answer, it is especially the...

    thank you for your answer, it is especially the buffer port serial5 which poses me problem because I use a esp-01 to recover an image via http, when the image is greater than 64k the program no...
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    [Teensy 3.6] Max size memory

    Hi,
    I would like to know what is the maximum memory size for:
    - RAM
    - HEAP
    and the maximum size for the receive buffer for Serial5
    Thank you for your help.
  8. I replaced std: string by String now everything...

    I replaced std: string by String now everything works but I think there is a g++ version problem with c++ 11 parameters CFLAGS in the teensy 3.6 compilation settings at the boards.txt file
  9. I can replace std :: string by String but I...

    I can replace std :: string by String but I wanted to know why std :: string does not work, someone can do a test on two lines of code to know if it works.
  10. the problem is a linker std::__cxx11

    the problem is a linker std::__cxx11
  11. may be missing a header include ? d:\program...

    may be missing a header include ?

    d:\program files (x86)\arduino\hardware\tools\arm\arm-none-eabi\include\c++\5.4.1\bits/basic_string.h:1243: undefined reference to...
  12. yes is declared before use int...

    yes is declared before use



    int m_iRemoteSrvPort;
    int m_nHTTPLastStatusCode;

    std::string m_sProtocolVersion;
    long m_nRcvBufLen;
  13. this variation not work //Set protocol...

    this variation not work



    //Set protocol version
    void CHTTP::SetProtocolVersion(CSockProtocol protocol)
    {
    switch (protocol)
    {
    case HTTP10:
  14. [teensy 3.6] using string.erase or string.insert generate basic_string error

    hi,

    using this code below i have errors compilation




    #include <string>

    ...
  15. Replies
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    119

    Problem resolved using shield for ESP8266-01....

    Problem resolved using shield for ESP8266-01.
    and connect TX from teensy to TX to shield and RX from teensy to RX to shield.
  16. Replies
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    119

    Serial5 not work with ESP8266-01

    The Serial5 (TX5 pin 33 and RX5 pin34) not work with module ESP8266-01.

    connexion from module ESP8266-01 is:

    ESP Teensy 3.6
    vcc vcc
    gnd gnd
    TX RX
    RX TX
  17. Replies
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    130

    Teensy 3.6 + PAM8403 amplifier 3W audio

    Hi,
    I need to use a module PAM8403 which is an audio amplifier but it must be powered in 5v, is it the pin of this module is compatible with teensy 3.6 which are a 3.3v?
    thanks in advance.
  18. Replies
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    173

    [Teensy 3.6] EVE2 FT813 gpio sound

    hi,

    i have the TFT 800x480 EVE FT813 capacitive touchscreen,
    i want to use sound pin gpio that is on board TFT, how do i do connect this pin ?
    this is a gpio is pwm output.
    do i need breakout...
  19. Replies
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    265

    it work now, a pin was inverted it's for that,...

    it work now, a pin was inverted it's for that, thank you
  20. Replies
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    the problem is that it works but only in one...

    the problem is that it works but only in one direction,
    why it work only in one direction ?
  21. Replies
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    i have modified the code below enc.read() to...

    i have modified the code below

    enc.read() to enc.read() >> 2
    now the value is incrementd to 1, but cannot decrement when i turn the encoder
  22. Replies
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    teensy 3.6 and library encoder not work

    hi,

    i am testing Encoder library but not work.

    when i turn encoder to left i have 0 4 8 12 16 ...
    when i turn encoder to right i have always the last value.

    encoder work fine on mbed...
  23. Replies
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    6,004

    I found the problem, is not possible to use...

    I found the problem, is not possible to use tft.print with graphics mode, for print text i use the code below and it work.



    void printLabel(Adafruit_RA8875 *gfx, int16_t x1, int16_t y1,...
  24. Replies
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    Hi, i have RA8875, 5" tft resistive...

    Hi,

    i have RA8875, 5" tft resistive touchscreen for adafruit.

    the code below don't show label on buttons.




    ...
  25. Replies
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    i have found the problem, all work now without...

    i have found the problem, all work now without modification code.
    all example from Adafruit_RA8875 work well including readdata and touch screen.

    it's because the wire was tool long (20cm)
    i...
  26. Replies
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    I received my second RA8875 module and I have the...

    I received my second RA8875 module and I have the same problem with readData, I had to make the same modifications in the Adafruit_RA8875.cpp library and the RA8875.cpp library so that it works...
  27. Replies
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    it's normal that when i remove wire miso from...

    it's normal that when i remove wire miso from teensy to RA8875, buildtest and textmode work, excepted my problem of readData() ?
    else is possible that miso pin from RA8875 is dead ?
  28. Replies
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    can I use the internal teensy 3.6 sd card without...

    can I use the internal teensy 3.6 sd card without the problem of tristate miso, I think the sdcard uses sdio, is that it?
    there is no problem with RA8875 ?

    thanks.
  29. Replies
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    i have ordered another RA8875, the old will be...

    i have ordered another RA8875, the old will be replaced, i have create an account on adafruit forum.
  30. Replies
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    I understand and thanks you for your responses. ...

    I understand and thanks you for your responses.

    what i do not understand is why the function writeReg() and writeData () work well but that readData () does not work, it always returns the value...
  31. Replies
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    on the code from file Adafruit_RA8875.h, there...

    on the code from file Adafruit_RA8875.h, there are defined hex values for RA8875_CMDWRITE, RA8875_CMDREAD, RA8875_DATAWRITE, and RA8875_DATAREAD. these values are transferred directly to the RA8875...
  32. Replies
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    what is a speed spi for teensy 3.6 at 180 Mgz ?

    what is a speed spi for teensy 3.6 at 180 Mgz ?
  33. Replies
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    after modifying the library, textMode works, the...

    after modifying the library, textMode works, the hardest will be the touchscreen.

    15693


    all in all, I think, the module is not defective, i hope.

    the problem comes from readData() to read...
  34. Replies
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    15688 above the result of textMode sketch

    15688

    above the result of textMode sketch
  35. Replies
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    i have tested with librarie from teensyduino is a...

    i have tested with librarie from teensyduino is a same it don't work i need to modify method waitPoll and comment the code


    /* if (x != 0x75) {
    return false;
    } */


    textMode...
  36. Replies
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    i have replaced the code from Adafruit_RA8875.cpp...

    i have replaced the code from Adafruit_RA8875.cpp for waitPoll by the code below



    /**************************************************************************/
    /*!
    Waits for screen to...
  37. Replies
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    may be i found the problem on code from...

    may be i found the problem on code from Adafruit_RA8875.cpp
    the code for problem is below



    /**************************************************************************/
    /*!
    Waits for...
  38. Replies
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    you have right, puttin VIN from RA8875 to 5v from...

    you have right, puttin VIN from RA8875 to 5v from teensy, the program can loaded, but i have always screen blank.
  39. Replies
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    What I do not understand is why when I put the...

    What I do not understand is why when I put the command tft.fillScreen (RA8875_RED), the screen comes red, and stops without executing the following commands.

    or maybe there is a library conflict,...
  40. Replies
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    Another possibility is that the wires are not...

    Another possibility is that the wires are not soldered physically, but I can not do it because Monday I would return the module RA8875 where I bought it, that's why I have to test before sending it...
  41. Replies
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    i have only four color: red, gray, brown and...

    i have only four color:
    red, gray, brown and blue.

    my connection from RA8875 to teensy 3.6:

    red is connected to 3.3v from teensy
    gray is connected to GND from teensy
    brown is connected to...
  42. Replies
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    the screen works well because I managed to...

    the screen works well because I managed to display a color throughout the screen, I think the module is defective, because in the beginning before receiving the screen adafruit 5 ", I had another...
  43. Replies
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    the only thing i did is comment on the following...

    the only thing i did is comment on the following lines in Adafruit_RA8875.cpp because the sketch fail since the register always returns 0xFF



    uint8_t x = readReg(0);
    Serial.print("x =...
  44. Replies
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    on the picture you can see that the ground from...

    on the picture you can see that the ground from RA8875 is connected to pin ground(GND) first pin and 3.3v from RA8875 is connected to 3.3v(250 mA max) from teensy.

    15662

    15663

    15664

    in...
  45. Replies
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    thanks for this information but is a same 15661

    thanks for this information but is a same

    15661
  46. Replies
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    when i use external power for RA8875, the result...

    when i use external power for RA8875, the result of sketch buildtest, is, screen white, pwm test an screen green, after nothing, is for that, i think that the problem is a problem
    of timing, else...
  47. Replies
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    the sketch that i use is buildtest from adafruit.

    the sketch that i use is buildtest from adafruit.
  48. Replies
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    I have the same material that you (RA8875 and 5"...

    I have the same material that you (RA8875 and 5" adafruit TFT) , but the screen is blank, i think my ra8875 is defective, i use CS = 10 and RESET = 9, the rest of pin (mosi, miso,sck) is default.
    i...
  49. Replies
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    thanks, you have powered RA8875 from teensy on...

    thanks,

    you have powered RA8875 from teensy on pin (Analog GND) and 3.3v (250mA max) or with an external power at 3.3v ?

    all my hardware and photo are here...
  50. Replies
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    Teensy 3.6 5v 3A and usb cable for serial download

    Hi,

    I need a 5v 3A for power teensy 3.6 because the voltage is not powerful enough on USB with RA8875.

    the problem is that I already have a 5v 3A micro USB adapter and a USB cable to download...
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