Raspberry Pi Forums

aBUGSworstnightmare

https://www.kickstarter.com/projects/19 ... escription
5.9in, 1080x1920pixels resolution gives you 376ppi, HDMI interface
Campaign is over so you will have to wait until it hit the shelves.

aBUGSworstnightmare

Looking at the data sheet of Ortustech COM43H4M09XLC and comparing it versus Sharp LQ043T1DG59 I figured out that pinout is the same (o.k. there is a small diffeerence which doesn't really matter). I've made a board for Sharp 4.3in LG59 (see here https://www.raspberrypi.org/forums/viewtopic.php?f=38...

aBUGSworstnightmare

As stated, this is a Ortustech Planview module too: http://www.ortustech.co.jp/english/pdf/COM43H4M09XLC-E.pdf will give you the spec sheet Why to use this one and not the one you've mentioned? Answer is simple COM43H4M09XLC has a 24-bit RBG Interface, allowing you to connect it to the Raspberry Pi ...

aBUGSworstnightmare

There are 3 SPI peripherals, but 2 of them are reduced performance devices. The pin muxing possibilities are shown in BCM2835 ARM Peripherals on page 102. Sorry,my fault! TXD1/RXD1 can be enabled on GPIO32/33, so SPI2 can be used as well. Had another mapping in mind :oops: Question is why OP Needs ...

aBUGSworstnightmare

MIPI DSI is not available for use with other displays atm (besides 7in official one). Maybe you want to have a look at this HDMI-to-DSI Bridge from Toshiba (https://toshiba.semicon-storage.com/us/product/assp/interface-bridge/detail.TC358870XBG.html). Most likely you will have to use another MCU to ...

aBUGSworstnightmare

There are only 2 SPI peripherals --> either reduce your requirement or think about other approach).
2x I2C + 2xUART is possible. but JTAG? Why do you need JTAG?

aBUGSworstnightmare

Have a look at motioneyeos https://github.com/ccrisan/motioneyeos/wiki
If I'm right from my mind it allows you to run a script (i.e. to play sound file) when motion is detected.

aBUGSworstnightmare

Are you referring to the fact that the Pi3 only has two DSI lanes, and i'd need four to push that many pixels? -Thom That's the minor problem because Compute Module has the 4-lane DSI interface which could be used. The major problem is the lack of support for other DSI displays (other than the offi...

aBUGSworstnightmare

Customization of 5in PCAP for DSI? Well, DSI is for display only; your PCAP will speak I2C to the chip. Anyhow, DSI is currently only supported for official 7in display. Sure, you can try to find a manufacturer willing to build a 5in PCAP which uses the same Touch controller IC as the official one. ...

aBUGSworstnightmare

DSI is not an option for you.
Not 5in, not OLED, but 4.8 and resolution you're looking for: https://www.kickstarter.com/projects/19 ... escription

What is the 'exact spec' you need to match? Without knowing people will have to replay with 'similar stuff'

aBUGSworstnightmare

No Need to handle the HDMI-I2C bus.
But, you can add a EEPROM to it which is containing your displays EDID data

. Anyhow, you should add (i.e.) 4k7 pull-ups to 5V

aBUGSworstnightmare

By the way: I'm using 32MHz on this one too

aBUGSworstnightmare

Great to see it working! Yep, there is 'something' related to the pixel clock but I have not figured out the real correlation. I have mentioned this issue quite a while ago here https://www.raspberrypi.org/forums/viewtopic.php?f=41&t=166561 I've had to increase the frequency on the 9in module too bu...

aBUGSworstnightmare

Display doesn't look Special; that's why assume your Timing and/or Magic number is wrong.
You Need to carfuly read the data sheet, and you Need to have some patience. Setting-up DPI is not the simplest task to do.

aBUGSworstnightmare

Refer to https://www.raspberrypi.org/documentation/configuration/config-txt/video.md for information on config.txt and here https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=24679 for how-to create custom HDMI modes. I expect your display timing and/or dpi_output_format 'magic number' is wrong...

aBUGSworstnightmare

Don't mess around with the dt-blob; simply use 24bit DPI overlay # enable 24-bit DPI interface dtoverlay=dpi24 # --------------------------------------------- # Enable DPI # --------------------------------------------- enable_dpi_lcd=1 # --------------------------------------------- # Make DPI defa...

aBUGSworstnightmare

No need to mess around with the dt-blob! Simply use the 24bit DPI interface to configure the I/O. # enable 24-bit DPI interface dtoverlay=dpi24 # --------------------------------------------- # Enable DPI # --------------------------------------------- enable_dpi_lcd=1 # ----------------------------...

aBUGSworstnightmare

You need. to make sure that your DPI interface is working correctly before you try to use any software to display content. To figure out if 'you measure correctly' you can simply use a known-working DPI configuration. Change your config.txt to include # Disable spi and i2c, we need these pins. dtpar...

aBUGSworstnightmare

Which display is connected to DPI interface? Do you have the data sheet?

Using a VNC connection from PC to your PI makes 'debugging' DPI timing way more simple.

aBUGSworstnightmare

Most likely your DPI configuration is wrong. Did you ever see something on the TFT connected to DPI interface when using this one only?

First you should try to get the DPI interface running correctly before you mess around with software.
And: hdmi_timings will only be configured during boot.

aBUGSworstnightmare

Is your shift key damaged? You should mention which version you have and which hardware (own or CMIO) you're using. https://www.raspberrypi.org/documentation/hardware/computemodule/README.md should give you a good starting point. If you know how to configure/use a normal Pi using CM should be easy. ...

aBUGSworstnightmare

As said already: use a zero for each TFT: easy and affordable. Use i.e, Info-beamer (https://www.raspberrypi.org/blog/info-beamer/) to feed your content

aBUGSworstnightmare

I've did this quite a few times, running multiple omxplayer instances at the same time (https://m.youtube.com/watch?v=trY4hLSOpjw i.e.). Highest number of instances was 9 - always scaling down from FHD - before screwing up the GPU. Displaying the same input multiple times will let you notice the del...

aBUGSworstnightmare

Alt2 mode means using DPI interface.
There is only one framebuffer, so all your displays will show the same content and must be the same type - because there is only one configuration for DPI too.

aBUGSworstnightmare

Use a Gert VGA666 adapter. As you have 'internal' wiring capability (connector above VGA is VGA too, simply different connector format, better suited for internal wiring) you can connect it directly, using the cable which came with your unit.

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