Thanks for that. I've done something similar for another Melexis device,
the MLX90640 32x24 sensor.
However, I've used a rather bizarre interface : an arduino that does the
I2C operations remotely via the usual USB-serial interface.
It also handles a couple of ST vl53l1x distance sensors. This is because I
wanted a fairly generic connection that wasn't tied to the capabilities of
any particular SBC.
It's a fairly slow way to do things and suffers from the small buffer
memory in the arduino, but the USB-serial part is fairly well encapsulated
and I can probably learn something from your use of the direct i2c
connection. Or perhaps use USB natively, without the serial part, on a
different microcontroller such as a teensy or maple.
On Sun, Feb 24, 2019 at 5:43 PM Charles Steinkuehler <
char...@steinkuehler.net> wrote:
> In case it's useful for anyone else, I have ported code for the
> MLX90621 (4x16 pixel remote IR temperature sensor) from the RPi (talks
> directly to the BCM hardware) to use standard Linux I2C devices (eg:
> /dev/i2c1) so it works on the 'Bone and other boards with standard
> Linux I2C support.
>
> Tested on a BBB using I2C2 (/dev/i2c1, the cape EEPROM I2C bus), 5.6K
> pull-up resistors, and a diode-connected transistor to drop the 3.3V
> rail to the 2.6V preferred by the MLX.
>
> Code is on github:
> https://github.com/cdsteinkuehler/mlxd/tree/linux-i2c
>
> --
> Charles Steinkuehler
> char...@steinkuehler.net
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to beagleboard+unsubscr...@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/beagleboard/ec6f20fa-8261-48f9-b9d5-696910767461%40steinkuehler.net
> .
> For more options, visit https://groups.google.com/d/optout.
>
--
For more options, visit http://beagleboard.org/discuss
---
You received this message because you are subscribed to the Google Groups
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to beagleboard+unsubscr...@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/beagleboard/CALiMYrtLH40%3DbHVF77efgsPJdg3BBVPXTJ%3DuQuHOB6AJBFJW0Q%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
