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Adafruit_Blinka-hackapet.git
6 years agoMerge pull request #59 from ladyada/orangepipc 0.4.0
Limor "Ladyada" Fried [Mon, 3 Dec 2018 21:15:13 +0000 (13:15 -0800)]
Merge pull request #59 from ladyada/orangepipc

libgpiod & orangepipc support

6 years agogood suggestion by brennen!
ladyada [Mon, 3 Dec 2018 17:04:40 +0000 (12:04 -0500)]
good suggestion by brennen!

6 years agoMerge pull request #58 from ladyada/master
Scott Shawcroft [Mon, 3 Dec 2018 07:01:00 +0000 (23:01 -0800)]
Merge pull request #58 from ladyada/master

RGBW support for NeoPixels

6 years agotypo fix
ladyada [Sun, 2 Dec 2018 05:32:56 +0000 (00:32 -0500)]
typo fix

6 years agoall gpio, i2c, and SPI tested
ladyada [Sun, 2 Dec 2018 04:59:14 +0000 (23:59 -0500)]
all gpio, i2c, and SPI tested

6 years agoorange pi GPIO led blinky
ladyada [Sat, 1 Dec 2018 20:27:42 +0000 (15:27 -0500)]
orange pi GPIO led blinky

6 years agoadd RGBW support
ladyada [Sat, 1 Dec 2018 06:39:15 +0000 (01:39 -0500)]
add RGBW support

6 years agokinder neopixel error
ladyada [Sat, 1 Dec 2018 06:23:33 +0000 (01:23 -0500)]
kinder neopixel error

6 years agoMerge pull request #55 from adafruit/require-rpi-gpio
Dan Halbert [Thu, 29 Nov 2018 22:58:09 +0000 (17:58 -0500)]
Merge pull request #55 from adafruit/require-rpi-gpio

add RPi.GPIO to requirements

6 years agoplatform_machine comparison: s/1/l
Brennen Bearnes [Thu, 29 Nov 2018 21:55:13 +0000 (14:55 -0700)]
platform_machine comparison: s/1/l

6 years agoinstall RPi.GPIO & rpi_ws281x for armv7l or armv6l (probably fixes #45)
Brennen Bearnes [Thu, 29 Nov 2018 21:51:53 +0000 (14:51 -0700)]
install RPi.GPIO & rpi_ws281x for armv7l or armv6l (probably fixes #45)

6 years agoadd RPi.GPIO to requirements
Brennen Bearnes [Wed, 28 Nov 2018 18:34:57 +0000 (11:34 -0700)]
add RPi.GPIO to requirements

I know we're looking to dispense with this eventually, but in the meantime
I think it's breaking a fair number of installs.

6 years agoMerge pull request #48 from ladyada/libgpiod_pulsein
Scott Shawcroft [Tue, 27 Nov 2018 19:22:06 +0000 (11:22 -0800)]
Merge pull request #48 from ladyada/libgpiod_pulsein

Libgpiod pulsein prelim support

6 years agoMerge pull request #52 from ladyada/master 0.3.2
Limor "Ladyada" Fried [Mon, 26 Nov 2018 20:56:45 +0000 (12:56 -0800)]
Merge pull request #52 from ladyada/master

add blank but required init file so it gets included

6 years agoadd blank but required init file so it gets included
ladyada [Mon, 26 Nov 2018 20:23:41 +0000 (15:23 -0500)]
add blank but required init file so it gets included

6 years agoMerge pull request #51 from ladyada/master 0.3.1
Limor "Ladyada" Fried [Mon, 26 Nov 2018 18:21:55 +0000 (10:21 -0800)]
Merge pull request #51 from ladyada/master

renamed spi/i2c to generic linux since they're not platform specific

6 years agorenamed spi/i2c to generic linux since they're not platform specific
Your Name [Mon, 26 Nov 2018 17:17:48 +0000 (17:17 +0000)]
renamed spi/i2c to generic linux since they're not platform specific
and updated busio to include it when possible

6 years agowoops cleanup
ladyada [Mon, 26 Nov 2018 05:14:57 +0000 (00:14 -0500)]
woops cleanup

6 years agoadd static linked exec and update path
ladyada [Mon, 26 Nov 2018 05:06:34 +0000 (00:06 -0500)]
add static linked exec and update path

6 years agoadd paused, maxlen properties, getitem, and docstrings
ladyada [Mon, 26 Nov 2018 04:59:36 +0000 (23:59 -0500)]
add paused, maxlen properties, getitem, and docstrings

6 years agoMerge pull request #47 from ladyada/master
Scott Shawcroft [Mon, 26 Nov 2018 01:43:59 +0000 (17:43 -0800)]
Merge pull request #47 from ladyada/master

add RGBW support by counting # of bytes in buffer

6 years agoproper deiniting
ladyada [Sun, 25 Nov 2018 07:58:11 +0000 (02:58 -0500)]
proper deiniting

6 years agoklunky but working with DHT tests
ladyada [Sun, 25 Nov 2018 07:48:41 +0000 (02:48 -0500)]
klunky but working with DHT tests

6 years agoadd RGBW support by counting # of bytes in buffer
ladyada [Fri, 23 Nov 2018 02:34:32 +0000 (21:34 -0500)]
add RGBW support by counting # of bytes in buffer

6 years agoMerge pull request #46 from pdp7/master 0.3.0
Drew Fustini [Thu, 22 Nov 2018 20:43:11 +0000 (14:43 -0600)]
Merge pull request #46 from pdp7/master

Add preliminary SPI support for BeagleBone Black

6 years agoadd SPI1 pins for BeagleBone Black
Drew Fustini [Thu, 22 Nov 2018 07:01:23 +0000 (07:01 +0000)]
add SPI1 pins for BeagleBone Black

Refer to:
http://beagleboard.org/static/images/cape-headers-spi.png

CE1 P9.28 SPI1_CS0
MISO_1 P9.29 SPI1_D0
MOSI_1 P9.30 SPI1_D1
SCLK_1 P9.31 SPI_SCLK

SPI1 conflicts with HDMI Audio (McASP)

Refer to:
https://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays

To Disable HDMI AUDIO, uncomment this line in /boot/uEnv.txt:
disable_uboot_overlay_audio=1

Set pin modes for SPI1 with:

config-pin p9.28 spi_cs
config-pin p9.29 spi
config-pin p9.30 spi
config-pin p9.31 spi_sclk

6 years agoadd more plumbing for SPI on BeagleBone
Drew Fustini [Wed, 21 Nov 2018 19:20:34 +0000 (19:20 +0000)]
add more plumbing for SPI on BeagleBone

reuse the Raspberry Pi SPI class as both are
Linux boards using spidev.  The main difference
is the pins numbers are different.

Testing with Adafruit_CircuitPython_BME280 in SPI mode.

TODO: wire up the board to the BeagleBone Black

Current output:

debian@beaglebone:~/Adafruit_CircuitPython_BME280$ sudo python3 examples/bme280_simpletest.py
SPI(): __init()
SPI(): beaglebone_black: from adafruit_blinka.microcontroller.raspi_23.spi import SPI as _SPI
spiPorts: ((0, P9_22, P9_18, P9_21), (1, P9_22, P9_18, P9_21))
for:
0 P9_22 P9_18 P9_21
Line 91
<class 'adafruit_blinka.microcontroller.raspi_23.spi.SPI'>
<adafruit_blinka.microcontroller.raspi_23.spi.SPI object at 0xb6b3c890>
Traceback (most recent call last):
  File "examples/bme280_simpletest.py", line 15, in <module>
    bme280 = adafruit_bme280.Adafruit_BME280_SPI(spi, bme_cs)
  File "/usr/local/lib/python3.5/dist-packages/adafruit_circuitpython_bme280-2.1.1.dev3+g1416d93-py3.5.egg/adafruit_bme280.py", line 247, in __init__
  File "/usr/local/lib/python3.5/dist-packages/adafruit_circuitpython_bme280-2.1.1.dev3+g1416d93-py3.5.egg/adafruit_bme280.py", line 78, in __init__
RuntimeError: Failed to find BME280! Chip ID 0x0

6 years agoAdd SPI pins for BeagleBone Black
Drew Fustini [Wed, 21 Nov 2018 18:46:31 +0000 (18:46 +0000)]
Add SPI pins for BeagleBone Black

Refer to header default pin modes
http://beagleboard.org/static/images/cape-headers.png

P9_17 (SPI0_CSO => CE0) enables peripheral device
P9_18 (SPI0_D1 => MOSI) outputs data to peripheral device
P9_21 (SPIO_DO => MISO) receives data from peripheral device
P9_22 (SPI0_SCLK => SCLK) outputs clock signal

Use config-pin to set pin mode for SPI pins
https://github.com/beagleboard/bb.org-overlays/tree/master/tools/beaglebone-universal-io

config-pin p9.17 spi_cs
config-pin p9.18 spi
config-pin p9.21 spi
config-pin p9.22 spi_sclk

6 years agoMerge pull request #42 from pdp7/master
Drew Fustini [Tue, 20 Nov 2018 06:27:02 +0000 (00:27 -0600)]
Merge pull request #42 from pdp7/master

add preliminary I2C bus support for the BeagleBone Black

6 years agoUse busnum 2 for I2C on BeagleBone Black
Drew Fustini [Mon, 29 Oct 2018 21:27:27 +0000 (21:27 +0000)]
Use busnum 2 for I2C on BeagleBone Black

Change i2cPorts to use bus num 2 by default on the
BeagleBone Black. This is needed for I2C device
wired up to P9.19 (I2C2_SCL) and P9.20 (I2C2_SDA).

for reference, pin diagram including default i2c pins:
http://beagleboard.org/static/images/cape-headers.png

6 years agoremove debug print statement
Drew Fustini [Mon, 22 Oct 2018 18:15:20 +0000 (18:15 +0000)]
remove debug print statement

6 years agoadd I2C bus support for the BeagleBone Black
Drew Fustini [Mon, 22 Oct 2018 17:48:17 +0000 (17:48 +0000)]
add I2C bus support for the BeagleBone Black

6 years agoMerge pull request #40 from pdp7/master
Limor "Ladyada" Fried [Thu, 18 Oct 2018 16:40:16 +0000 (09:40 -0700)]
Merge pull request #40 from pdp7/master

Add example to blink LED on BeagleBone

6 years agofix style issues in BeagleBone example
Drew Fustini [Thu, 18 Oct 2018 16:14:13 +0000 (16:14 +0000)]
fix style issues in BeagleBone example

6 years agoAdd example to blink LED on BeagleBone
Drew Fustini [Thu, 18 Oct 2018 15:56:50 +0000 (15:56 +0000)]
Add example to blink LED on BeagleBone

6 years agoMerge pull request #38 from pdp7/master
Limor "Ladyada" Fried [Fri, 21 Sep 2018 03:59:39 +0000 (20:59 -0700)]
Merge pull request #38 from pdp7/master

Add GPIO pins for the BeagleBone Black

6 years agoAdding GPIO pins for the BeagleBone Black
Drew Fustini [Thu, 20 Sep 2018 23:18:16 +0000 (18:18 -0500)]
Adding GPIO pins for the BeagleBone Black

Add all the possible GPIO pins on the P8 and P9 headers
of the BeagleBone Black.

Source of GPIO pins numbers is:
https://github.com/adafruit/adafruit-beaglebone-io-python/blob/master/source/common.c

GPIO pins on BeagleBone Black:
P8_3
P8_4
P8_5
P8_6
P8_7
P8_8
P8_9
P8_10
P8_11
P8_12
P8_13
P8_14
P8_15
P8_16
P8_17
P8_18
P8_19
P8_20
P8_21
P8_22
P8_23
P8_24
P8_25
P8_26
P8_27
P8_28
P8_29
P8_30
P8_31
P8_32
P8_33
P8_34
P8_35
P8_36
P8_37
P8_38
P8_39
P8_40
P8_41
P8_42
P8_43
P8_44
P8_45
P8_46
P9_11
P9_12
P9_13
P9_14
P9_15
P9_16
P9_17
P9_18
P9_19
P9_20
P9_21
P9_22
P9_23
P9_24
P9_25
P9_26
P9_27
P9_28
P9_29
P9_30
P9_31
P9_41
P9_42

7 years agoMerge pull request #36 from ladyada/master
Limor "Ladyada" Fried [Thu, 13 Sep 2018 19:51:42 +0000 (12:51 -0700)]
Merge pull request #36 from ladyada/master

first BBB digitalio blinking

7 years agolet there be BLINK
ladyada [Thu, 13 Sep 2018 18:51:16 +0000 (14:51 -0400)]
let there be BLINK

7 years agonot quite gpio'in yet but getting closer...
ladyada [Thu, 13 Sep 2018 18:04:46 +0000 (14:04 -0400)]
not quite gpio'in yet but getting closer...

7 years agodetect BBB
ladyada [Thu, 13 Sep 2018 17:55:47 +0000 (13:55 -0400)]
detect BBB

7 years agoMerge pull request #35 from ladyada/master 0.2.7
Dan Halbert [Sun, 9 Sep 2018 02:46:57 +0000 (22:46 -0400)]
Merge pull request #35 from ladyada/master

more conditionals for raspi

7 years agomore conditionals for raspi
ladyada [Sun, 9 Sep 2018 02:42:25 +0000 (22:42 -0400)]
more conditionals for raspi

7 years agoMerge pull request #34 from ladyada/master 0.2.6
Dan Halbert [Sat, 8 Sep 2018 20:57:34 +0000 (16:57 -0400)]
Merge pull request #34 from ladyada/master

only install on raspi?

7 years agoonly install on raspi?
ladyada [Sat, 8 Sep 2018 20:39:38 +0000 (16:39 -0400)]
only install on raspi?

7 years agoMerge pull request #32 from ladyada/master 0.2.5
Limor "Ladyada" Fried [Fri, 31 Aug 2018 19:52:34 +0000 (12:52 -0700)]
Merge pull request #32 from ladyada/master

add missing module

7 years agoadd dependancy
ladyada [Fri, 31 Aug 2018 19:37:44 +0000 (15:37 -0400)]
add dependancy

7 years agoadd missing module
ladyada [Fri, 31 Aug 2018 19:33:31 +0000 (15:33 -0400)]
add missing module

7 years agoMerge pull request #30 from ladyada/master 0.2.4
Scott Shawcroft [Fri, 31 Aug 2018 18:17:50 +0000 (11:17 -0700)]
Merge pull request #30 from ladyada/master

initial commit, working code

7 years agoautodoc additions
ladyada [Fri, 31 Aug 2018 18:15:49 +0000 (14:15 -0400)]
autodoc additions

7 years agoremove non-pi-breaking deps
ladyada [Fri, 31 Aug 2018 18:12:08 +0000 (14:12 -0400)]
remove non-pi-breaking deps

7 years agoless paranoid
ladyada [Fri, 31 Aug 2018 18:06:28 +0000 (14:06 -0400)]
less paranoid

7 years agoless cute pixel splitting
ladyada [Fri, 31 Aug 2018 18:05:34 +0000 (14:05 -0400)]
less cute pixel splitting

7 years agoinitial commit, working code
ladyada [Thu, 30 Aug 2018 21:45:28 +0000 (17:45 -0400)]
initial commit, working code

7 years agoMerge pull request #29 from ladyada/master 0.2.3
Dan Halbert [Wed, 22 Aug 2018 15:37:04 +0000 (11:37 -0400)]
Merge pull request #29 from ladyada/master

add support for second SPI - tested!

7 years agoadd support for second SPI - tested!
ladyada [Wed, 22 Aug 2018 15:25:54 +0000 (11:25 -0400)]
add support for second SPI - tested!

7 years agoMerge pull request #28 from ladyada/master 0.2.2
Dan Halbert [Sun, 19 Aug 2018 19:45:05 +0000 (15:45 -0400)]
Merge pull request #28 from ladyada/master

specifically name arguments now that we require it

7 years agospecifically name arguments now that we require it
ladyada [Sat, 18 Aug 2018 03:35:06 +0000 (23:35 -0400)]
specifically name arguments now that we require it

7 years agoMerge pull request #27 from adafruit/raspi_spi_class_vars
Limor "Ladyada" Fried [Fri, 17 Aug 2018 22:03:21 +0000 (15:03 -0700)]
Merge pull request #27 from adafruit/raspi_spi_class_vars

fix raspi spi access of mode constants (was missing a "self")

7 years agofix raspi spi access of mode constants (was missing a "self")
Brennen Bearnes [Fri, 17 Aug 2018 21:45:31 +0000 (15:45 -0600)]
fix raspi spi access of mode constants (was missing a "self")

Found this while testing the MAX31865.

7 years agoMerge pull request #26 from ladyada/master
Limor "Ladyada" Fried [Fri, 17 Aug 2018 18:34:39 +0000 (11:34 -0700)]
Merge pull request #26 from ladyada/master

add writeto_then_readfrom support for repeated-start i2c transactions

7 years agoforce labeling of kwargs
ladyada [Fri, 17 Aug 2018 18:28:23 +0000 (14:28 -0400)]
force labeling of kwargs

7 years agotypofix
ladyada [Fri, 17 Aug 2018 16:28:34 +0000 (12:28 -0400)]
typofix

7 years agoAdd writeto_then_readfrom for non-stop transactions on linux
ladyada [Fri, 17 Aug 2018 16:26:53 +0000 (12:26 -0400)]
Add writeto_then_readfrom for non-stop transactions on linux

7 years agoMerge pull request #25 from ladyada/master 0.2.1
Kattni [Fri, 17 Aug 2018 15:34:30 +0000 (11:34 -0400)]
Merge pull request #25 from ladyada/master

fix for https://github.com/adafruit/Adafruit_Blinka/issues/21

7 years agofix for https://github.com/adafruit/Adafruit_Blinka/issues/21
ladyada [Fri, 17 Aug 2018 15:23:11 +0000 (11:23 -0400)]
fix for https://github.com/adafruit/Adafruit_Blinka/issues/21

7 years agoMerge pull request #22 from ladyada/master 0.2
Kattni [Sun, 12 Aug 2018 23:28:59 +0000 (19:28 -0400)]
Merge pull request #22 from ladyada/master

I2C and SPI fixes to bring more in line with busio

7 years agoadd start/end as per http://circuitpython.readthedocs.io/en/latest/shared-bindings...
ladyada [Sun, 12 Aug 2018 05:12:59 +0000 (01:12 -0400)]
add start/end as per http://circuitpython.readthedocs.io/en/latest/shared-bindings/busio/SPI.html

7 years agopolitely cope with strings of bytes
ladyada [Sat, 30 Jun 2018 22:12:20 +0000 (18:12 -0400)]
politely cope with strings of bytes

7 years agoMerge pull request #20 from brentru/write_readinto_patches 0.1.10
Limor "Ladyada" Fried [Wed, 25 Jul 2018 15:43:48 +0000 (08:43 -0700)]
Merge pull request #20 from brentru/write_readinto_patches

Write_ReadInto PR Review Changes

7 years agoforce pylint to v1.9.2
brentru [Wed, 25 Jul 2018 14:16:58 +0000 (10:16 -0400)]
force pylint to v1.9.2

7 years agodata into buffer_in
brentru [Tue, 24 Jul 2018 22:30:44 +0000 (18:30 -0400)]
data into buffer_in

7 years agoadding fixes from previous PR review
brentru [Tue, 24 Jul 2018 19:59:06 +0000 (15:59 -0400)]
adding fixes from previous PR review

7 years agoImplementing Write_ReadInto for Raspberry Pi (#19)
brentrubell [Tue, 24 Jul 2018 18:25:16 +0000 (14:25 -0400)]
Implementing Write_ReadInto for Raspberry Pi (#19)

Adding an implementation for write_readinto to the Raspberry Pi's spi.py class.

7 years agoMerge pull request #18 from tannewt/rogue_machine 0.1.9
Scott Shawcroft [Mon, 2 Jul 2018 23:30:48 +0000 (16:30 -0700)]
Merge pull request #18 from tannewt/rogue_machine

Fix machine import when on normal Linux.

7 years agoFix more agnostic uses.
Scott Shawcroft [Mon, 2 Jul 2018 16:19:45 +0000 (09:19 -0700)]
Fix more agnostic uses.

7 years agoFix microcontroller imports.
Scott Shawcroft [Mon, 2 Jul 2018 16:12:02 +0000 (09:12 -0700)]
Fix microcontroller imports.

7 years agoFix machine import when on normal Linux.
Scott Shawcroft [Mon, 2 Jul 2018 15:53:46 +0000 (08:53 -0700)]
Fix machine import when on normal Linux.

Also, rename variables for clarity.

7 years agoMerge pull request #16 from ladyada/master 0.1.8
Limor "Ladyada" Fried [Sat, 30 Jun 2018 21:14:05 +0000 (14:14 -0700)]
Merge pull request #16 from ladyada/master

SPI write/readinto work

7 years agoSPI write/readinto work, tested with BME280
ladyada [Sat, 30 Jun 2018 20:55:00 +0000 (16:55 -0400)]
SPI write/readinto work, tested with BME280

7 years agoMerge pull request #14 from ladyada/master 0.1.7
Limor "Ladyada" Fried [Sat, 30 Jun 2018 19:46:12 +0000 (12:46 -0700)]
Merge pull request #14 from ladyada/master

Add remaining GPIO to Pi board and quiet GPIO

7 years agoadd pins to board
ladyada [Sat, 30 Jun 2018 19:43:55 +0000 (15:43 -0400)]
add pins to board

7 years agoadd more pins, and organize a little nicer
ladyada [Sat, 30 Jun 2018 19:33:19 +0000 (15:33 -0400)]
add more pins, and organize a little nicer

7 years agoquiet gpio
ladyada [Sat, 30 Jun 2018 19:26:56 +0000 (15:26 -0400)]
quiet gpio

7 years agoUse find_packages to make sure and not miss a package. 0.1.6
Scott Shawcroft [Sat, 30 Jun 2018 01:13:38 +0000 (18:13 -0700)]
Use find_packages to make sure and not miss a package.

7 years agoSwitch to a function for const and package it. 0.1.5
Scott Shawcroft [Fri, 29 Jun 2018 20:40:26 +0000 (13:40 -0700)]
Switch to a function for const and package it.

7 years agoRelax python requirement 0.1.4
Scott Shawcroft [Fri, 29 Jun 2018 19:40:59 +0000 (12:40 -0700)]
Relax python requirement

MicroPython and CircuitPython implement 3.4 so lets match them.

7 years agoInstall setuptools_scm 0.1.3
Scott Shawcroft [Thu, 28 Jun 2018 19:38:34 +0000 (12:38 -0700)]
Install setuptools_scm

7 years agoTry to get packaging happy. 0.1.2
Scott Shawcroft [Thu, 28 Jun 2018 19:26:04 +0000 (12:26 -0700)]
Try to get packaging happy.

7 years agoChange out of docs 0.1.1
Scott Shawcroft [Thu, 28 Jun 2018 19:11:21 +0000 (12:11 -0700)]
Change out of docs

7 years agoMerge pull request #13 from tannewt/raspi 0.1.0
Limor "Ladyada" Fried [Thu, 28 Jun 2018 19:03:29 +0000 (12:03 -0700)]
Merge pull request #13 from tannewt/raspi

Raspi

7 years agoStop building bundles since its not needed on CircuitPython.
Scott Shawcroft [Thu, 28 Jun 2018 18:56:46 +0000 (11:56 -0700)]
Stop building bundles since its not needed on CircuitPython.

7 years agoHave Travis install requirements for sphinx
Scott Shawcroft [Thu, 28 Jun 2018 18:33:58 +0000 (11:33 -0700)]
Have Travis install requirements for sphinx

7 years agoAdd Adafruit_GPIO dependency
Scott Shawcroft [Thu, 28 Jun 2018 18:18:37 +0000 (11:18 -0700)]
Add Adafruit_GPIO dependency

7 years agoRemove path hacks from examples.
Scott Shawcroft [Thu, 28 Jun 2018 18:09:51 +0000 (11:09 -0700)]
Remove path hacks from examples.

Make sure to `pip install -r requirements.txt` before running the
example and have this library in your path.

7 years agoremove extraneous debugs
ladyada [Wed, 27 Jun 2018 21:32:56 +0000 (17:32 -0400)]
remove extraneous debugs

7 years agobeginningish of SPI support
ladyada [Tue, 26 Jun 2018 04:25:24 +0000 (00:25 -0400)]
beginningish of SPI support

7 years agobit of a hack
ladyada [Mon, 25 Jun 2018 02:49:04 +0000 (22:49 -0400)]
bit of a hack

7 years agojust raw read/write for i2c - tested with mcp9808
ladyada [Mon, 25 Jun 2018 02:39:35 +0000 (22:39 -0400)]
just raw read/write for i2c - tested with mcp9808

7 years agocompleted busio i2c demo
ladyada [Wed, 20 Jun 2018 21:37:43 +0000 (17:37 -0400)]
completed busio i2c demo