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41
Evaluation Tools / Re: NHD-7.0CTP-CAPE - BBB does not start up properly
« Last post by Paul_B on February 05, 2018, 08:02:25 AM »
I know this might sound odd but can you please tell me what brand microSD card you are utilizing?

It sounds like an obvious thing to avoid, but sadly, is there any chance you purchased a fake/bad microSD card?



43
Evaluation Tools / Re: NHD-7.0CTP-CAPE - BBB does not start up properly
« Last post by Paul_B on February 05, 2018, 07:55:32 AM »
Morning,

Iím sorry to hear about the trouble you are having with the NHD-7.0CTP-CAPE.

It would 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.

Lastly, can you confirm that everything is operational with your beagleboneblack wireless? You wouldn't happen to have a second one available for testing?

Regards,
44
OLEDs / Re: HOW TO PRINT CHARACTERS ON NHD-3.12-25664UCB2 DISPLAY
« Last post by BalajiNP on February 05, 2018, 06:49:53 AM »

Steps:

1. write one pixel
2. Using this write a single character
3. using this write a string
45
Evaluation Tools / NHD-7.0CTP-CAPE - BBB does not start up properly
« Last post by hendrik on February 05, 2018, 05:20:44 AM »
Hello,
I have trouble with NHD-7.0CTP-CAPEs. I am using them with a beagleboneblack wireless. When I plug in the 5V power supply (3A) to the bbb while it is connected to the display, the display and the bbb power LED start to blink, but the beaglebone won't boot. The problem occurs with any software I tried so far. I have one beaglebone with android 4.2 installed which starts sometimes after some blinks, but this happens randomly and by far not every time I plug it in. Any suggestions why the displays do not work properly?
46
OLEDs / HOW TO PRINT CHARACTERS ON NHD-3.12-25664UCB2 DISPLAY
« Last post by semed on February 04, 2018, 04:47:11 PM »
I am wondering how to print Ascii characters on this display given a font table
I am not sure which of the functions in the example code to print characters on the display screen
Can  anyone describe for me how to get characters on the screen I am not familiar with working with this kind of display
47
OLEDs / Re: INTIALISATION CODE FOR NHD-3.12-25664UCB2-ND
« Last post by semed on February 04, 2018, 10:51:31 AM »
Surab can you describe how to print characters on the screen given a font table
I am not sure which function to use
I am new to display screens like this so i need a little more info
also regarding the variables a and b in the example code what do those stand for?
48
TFTs / Re: EVE2 Git repository proting for PIC32MZ,NHD-7.0-800480FT-CSXV-CTP
« Last post by Paul_B on February 02, 2018, 08:23:19 AM »
Please note that we sell a Arduino Shield for the EVE2 TFT Modules.

http://www.newhavendisplay.com/nhdft81xshield-p-9581.html

IMPORTANT: If you are trying to connect the bare EVE2 TFT Module to a 5V system (i.e. Arduino Uno) without a logic level converter this could damage the device.
49
TFTs / Re: EVE2 Git repository proting for PIC32MZ,NHD-7.0-800480FT-CSXV-CTP
« Last post by Paul_B on February 02, 2018, 08:17:50 AM »
Morning Marc,

Good news, sounds like we are making some progress  ;)

On the Arduino Uno and compatible boards the following pins used are:

Code: [Select]

// MOSI (11)
// MISO (12)
// SCK  (13)

#define FT800_CS                 (10)
#define FT800_INT                (9)
#define FT800_PD_N               (8)
#define FT_SDCARD_CS             (5)

The pin assignments are located in FT_Platform.h
50
OLEDs / Re: INTIALISATION CODE FOR NHD-3.12-25664UCB2-ND
« Last post by semed on February 01, 2018, 09:00:29 PM »
what variable should i assign the font table array to?
there seems to be many font tables of different sizes not sure which one to use
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