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Messages - Paul_B

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TFTs / Re: Using RGB666 on NHD-4.3-480272EF-ATXL#-T
« on: June 14, 2017, 08:02:54 AM »
Hello carrasco,

One approach is to wire all the unused bits to a fixed value (typically zero - Ground). Please note that you do not need to utilize a pull-down resistor. 

Evaluation Tools / Re: NHD-7.0CTP-CAPE-N Picture offset
« on: May 10, 2017, 08:06:32 AM »
Not a problem, you should receive the patch files via eamil shortly  ;)

Evaluation Tools / Re: NHD-4.3CTP-SHIELD-N
« on: May 03, 2017, 12:11:44 PM »
Thank you for contacting me with this inquiry, I am happy to help clarify how you can prototype with our 4.3" Arduino Shield with Capacitive Touch!

Since you'll probably be connecting other things to the Arduino (LEDs, sensors, servos) you can purchase a breakout shield and sandwich the two together. Another option to purchase an Arduino clone that has the I/O pins brought out on a second connection.

The NHD-4.3CTP-SHIELD-N is compatible with the Arduino MEGA straight out of the box, no solder jumpers need to be configured. By default it will utilize the ICSP/SPI header which is on most genuine Arduino’s.

Finally, our advice is to stick with a 7V - 8V DC adapter since most Arduino's utilize a cheap LDO and have trouble regulating at higher voltages. 

TFTs / Re: help with REG_MACRO_0
« on: May 01, 2017, 08:39:30 AM »
Question responded via email inquiry.

Evaluation Tools / Re: NHD-7.0CTP-CAPE-N Picture offset
« on: May 01, 2017, 07:50:47 AM »
Morning Rasmus,

Very strange, let me look into this bug which you are experiencing.

 In the mean time if you are interested in rolling your own overlay I am happy to send you the patch files.


Evaluation Tools / Re: NHD-7.0CTP-CAPE-N no picture
« on: April 26, 2017, 03:23:42 PM »

Have you had a chance to review the NHD-7.0CTP-CAPE 7.0” BeagleBone Black Cape User Guide?

The NHD-7.0CTP-CAPE is designed to work with existing software and drivers already developed for the BeagleBone

The Requirements for use are:

  • NHD-7.0CTP-CAPE-x
  • BeagleBone Black with suitable distribution loaded - Images available for download in the User Guide
  • 8GB microSD card
  • 5V DC supply suitable for the BeagleBone Black

It would also be helpful to see your boot process. To see the actual boot process a RS232 cable like the TTL-232R-3V3 from FTDI is needed. Just plug it into the J1 connector (located on the BBB) and open a serial terminal of your choice.


TFTs / Re: NHD-5.0-800480TF-ATXL#-T
« on: March 16, 2017, 08:26:23 AM »

I’m sorry to hear about the trouble you are having with the NHD-5.0-800480TF-ATXL#-T. Can you please provide a short video of the problem you are experiencing?


TFTs / Re: NHD-5.0-800480TF-ATXL# Sunlight Readable feature
« on: March 16, 2017, 08:17:38 AM »
Morning Laxmikant,

The NHD-5.0-800480TF-ATXL# is not a sun-readable display. We will be introducing a sunlight-readable 5.0" TFT in the up coming year.  These new displays have brightness levels and features that allow for excellent viewing quality even in direct sunlight conditions.

In the mean time feel free to check out our new 4.3" Sunlight Readable TFT:

Please see the updated FTDI_FT800 & FTDI_FT801 libraries available for download now on our GitHub page! The code successfully complies on version 1.8.1

Best Regards,

TFTs / Re: Pin reversal NHD-1.8-128160EF-CTXI#-FT?
« on: February 27, 2017, 05:06:52 PM »
The pin markings from the drawing are correct.  As for the mating connectors, defining “pin 1” is arbitrary.  Yes, some Molex connectors have a small arrow/marking showing where “pin 1” is, however this pin 1 designation does not correlate with our products.  The “match” is irrelevant because the connector will work 100% the same if a device’s pin 1 is on the opposite side of where it says “pin 1” should be. I understand it helps in cases where a simple pass-thru FFC is used, to help know what side of the cable should be where, however with our display products designed onto a board there would be only one way to insert the cable.

TFTs / Re: Pin reversal NHD-1.8-128160EF-CTXI#-FT?
« on: February 27, 2017, 08:25:52 AM »

A common solution for determining cable wire numbering is to look at the displays FFC/FPC cable. As you can see in the image above if you define pin one at the arrow on one end of the molex connector then the cable routing demands that pin 1 be at the location of the opposite end. In your particular case pin 1 needs to be on the right hand side.

Morning Tim,

I’m sorry to hear about the trouble you are having with the FTDI_FT80x library. As stated previously the FT80x library was originally written with the old IDE, and since then the avr-gcc compiler has changed and certain keywords/datatypes give errors in the new Arduino IDE’s. We are in the process of updating the library and will be putting in a pull request soon on our GitHub page.

In order to get the code to compile the datatypes will need to be updated to match the new Arduino IDE's syntax.


Code: [Select]
Old Syntax:
typedef prog_uchar  ft_prog_uchar8_t;
typedef prog_char   ft_prog_char8_t;
typedef prog_uint16_t ft_prog_uint16_t;

New Syntax:
typedef const unsigned char  ft_prog_uchar8_t;
typedef const char   ft_prog_char8_t;
typedef const unsigned int ft_prog_uint16_t;

For your reference I have emailed you an example sketch which I have updated to compile on version 1.6.13.

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