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f0cal / google-coral

Community gathering point for Google Coral dev board and dongle knowledge.
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Trying to install Coral Enviro Board to R.Pi3B #89

Open neilh10 opened 3 years ago

neilh10 commented 3 years ago

Followed the instructions, and the display reads out "nan" for actual readings.

Purchased the Coral Enviro Board from Mouser. I'm wondering, shouldn't there be an overaly in /boot/overlays for the CoralEnviroBoard.

Namburger commented 3 years ago

@neilh10 I'm sorry, what's the actual issue? There should be a /boot/overlay.txt in mendel

neilh10 commented 3 years ago

Hello @Namburger , thankyou for getting back. I followed https://coral.ai/docs/enviro-board/get-started/ and when it ran the display said "nan" for actual readings that is for python is Not A Number. While I'm software engineer in uP Iot, and I have done some BeagleBOne - this is a little school project with the R.Pi and a neighbour.
So it just seems to me this is a rabbit hole - there aren't any links describing what to do, or look out for - it seems its supposed to just work, and it isn't. I checked out possible other hints of how to solve it #21 , #38

If the board isn't supported anymore I should just use one of the others that are out there PIM486

Trying to guess at some debuggin ..

pi@rpi3nhab:~ $ ls /boot/overlay.txt ls: cannot access '/boot/overlay.txt': No such file or directory

pi@rpi3nhab:~ $ ls /boot bcm2708-rpi-b.dtb bcm2710-rpi-cm3.dtb fixup4x.dat LICENCE.broadcom bcm2708-rpi-b-plus.dtb bcm2711-rpi-4-b.dtb fixup_cd.dat overlays bcm2708-rpi-b-rev1.dtb bcm2711-rpi-cm4.dtb fixup.dat start4cd.elf bcm2708-rpi-cm.dtb bootcode.bin fixup_db.dat start4db.elf bcm2708-rpi-zero.dtb cmdline.txt fixup_x.dat start4.elf bcm2708-rpi-zero-w.dtb config.txt issue.txt start4x.elf bcm2709-rpi-2-b.dtb COPYING.linux kernel7.img start_cd.elf bcm2710-rpi-2-b.dtb fixup4cd.dat kernel7l.img start_db.elf bcm2710-rpi-3-b.dtb fixup4.dat kernel8.img start.elf bcm2710-rpi-3-b-plus.dtb fixup4db.dat kernel.img start_x.elf

I thought overlays are .dtbo ? ~ but can't see anything that relates to this board. Is there a way of listing the boards EEPROM to be able to verify what its requiring

rpi3nhab:~ $ ls /boot/overlays/ act-led.dtbo mcp2515-can1.dtbo adau1977-adc.dtbo mcp3008.dtbo adau7002-simple.dtbo mcp3202.dtbo ads1015.dtbo mcp342x.dtbo ads1115.dtbo media-center.dtbo ads7846.dtbo merus-amp.dtbo adv7282m.dtbo midi-uart0.dtbo adv728x-m.dtbo midi-uart1.dtbo akkordion-iqdacplus.dtbo miniuart-bt.dtbo allo-boss-dac-pcm512x-audio.dtbo mmc.dtbo allo-digione.dtbo mpu6050.dtbo allo-katana-dac-audio.dtbo mz61581.dtbo allo-piano-dac-pcm512x-audio.dtbo ov5647.dtbo allo-piano-dac-plus-pcm512x-audio.dtbo ov7251.dtbo anyspi.dtbo ov9281.dtbo apds9960.dtbo overlay_map.dtb applepi-dac.dtbo papirus.dtbo at86rf233.dtbo pibell.dtbo audioinjector-addons.dtbo piglow.dtbo audioinjector-isolated-soundcard.dtbo piscreen2r.dtbo audioinjector-ultra.dtbo piscreen.dtbo audioinjector-wm8731-audio.dtbo pisound.dtbo audiosense-pi.dtbo pitft22.dtbo audremap.dtbo pitft28-capacitive.dtbo balena-fin.dtbo pitft28-resistive.dtbo cma.dtbo pitft35-resistive.dtbo dht11.dtbo pps-gpio.dtbo dionaudio-loco.dtbo pwm-2chan.dtbo dionaudio-loco-v2.dtbo pwm.dtbo disable-bt.dtbo pwm-ir-tx.dtbo disable-wifi.dtbo qca7000.dtbo dpi18.dtbo README dpi24.dtbo rotary-encoder.dtbo draws.dtbo rpi-backlight.dtbo dwc2.dtbo rpi-cirrus-wm5102.dtbo dwc-otg.dtbo rpi-dac.dtbo enc28j60.dtbo rpi-display.dtbo enc28j60-spi2.dtbo rpi-ft5406.dtbo exc3000.dtbo rpi-poe.dtbo fe-pi-audio.dtbo rpi-proto.dtbo goodix.dtbo rpi-sense.dtbo googlevoicehat-soundcard.dtbo rpi-tv.dtbo gpio-fan.dtbo rpivid-v4l2.dtbo gpio-ir.dtbo rra-digidac1-wm8741-audio.dtbo gpio-ir-tx.dtbo sc16is750-i2c.dtbo gpio-key.dtbo sc16is752-i2c.dtbo gpio-no-bank0-irq.dtbo sc16is752-spi0.dtbo gpio-no-irq.dtbo sc16is752-spi1.dtbo gpio-poweroff.dtbo sdhost.dtbo gpio-shutdown.dtbo sdio.dtbo hd44780-lcd.dtbo sdtweak.dtbo hdmi-backlight-hwhack-gpio.dtbo sh1106-spi.dtbo hifiberry-amp.dtbo smi-dev.dtbo hifiberry-dac.dtbo smi.dtbo hifiberry-dacplusadc.dtbo smi-nand.dtbo hifiberry-dacplusadcpro.dtbo spi0-cs.dtbo hifiberry-dacplusdsp.dtbo spi1-1cs.dtbo hifiberry-dacplus.dtbo spi1-2cs.dtbo hifiberry-dacplushd.dtbo spi1-3cs.dtbo hifiberry-digi.dtbo spi2-1cs.dtbo hifiberry-digi-pro.dtbo spi2-2cs.dtbo highperi.dtbo spi2-3cs.dtbo hy28a.dtbo spi3-1cs.dtbo hy28b-2017.dtbo spi3-2cs.dtbo hy28b.dtbo spi4-1cs.dtbo i2c0.dtbo spi4-2cs.dtbo i2c1.dtbo spi5-1cs.dtbo i2c3.dtbo spi5-2cs.dtbo i2c4.dtbo spi6-1cs.dtbo i2c5.dtbo spi6-2cs.dtbo i2c6.dtbo spi-gpio35-39.dtbo i2c-bcm2708.dtbo spi-gpio40-45.dtbo i2c-gpio.dtbo spi-rtc.dtbo i2c-mux.dtbo ssd1306.dtbo i2c-pwm-pca9685a.dtbo ssd1306-spi.dtbo i2c-rtc.dtbo ssd1351-spi.dtbo i2c-rtc-gpio.dtbo superaudioboard.dtbo i2c-sensor.dtbo sx150x.dtbo i2s-gpio28-31.dtbo tc358743-audio.dtbo ilitek251x.dtbo tc358743.dtbo imx219.dtbo tinylcd35.dtbo imx290.dtbo tpm-slb9670.dtbo imx477.dtbo uart0.dtbo iqaudio-codec.dtbo uart1.dtbo iqaudio-dac.dtbo uart2.dtbo iqaudio-dacplus.dtbo uart3.dtbo iqaudio-digi-wm8804-audio.dtbo uart4.dtbo irs1125.dtbo uart5.dtbo i-sabre-q2m.dtbo udrc.dtbo jedec-spi-nor.dtbo upstream.dtbo justboom-both.dtbo upstream-pi4.dtbo justboom-dac.dtbo vc4-fkms-v3d.dtbo justboom-digi.dtbo vc4-kms-kippah-7inch.dtbo ltc294x.dtbo vc4-kms-v3d.dtbo max98357a.dtbo vc4-kms-v3d-pi4.dtbo maxtherm.dtbo vga666.dtbo mbed-dac.dtbo w1-gpio.dtbo mcp23017.dtbo w1-gpio-pullup.dtbo mcp23s17.dtbo w5500.dtbo mcp2515-can0.dtbo wittypi.dtbo

pi@rpi3nhab:~ $ cat /proc/version Linux version 5.4.51-v7+ (dom@buildbot) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611)) #1333 SMP Mon Aug 10 16:45:19 BST 2020

pi@rpi3nhab:~ $ i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: 30 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 40: 40 -- -- -- -- 45 -- -- -- 49 -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- 76 -- pi@rpi3nhab:~ $

neilh10 commented 3 years ago

Hello gosh my bad eyes - it is actually showing "nan" and for some reason with the small type I was seeing "nam" - I've corrected all the above references to use "nan"

Namburger commented 3 years ago

@neilh10 ahhh, my apologies, I read the title of your issue wrong and completely thought that you're trying to do something else which leads me to all type of confusion from the info that you gave :P Scatch what I said regarding /boot/verlays.txt, that exists on mendel OS which is the official OS on the dev board!

it seems its supposed to just work, and it isn't

It is supposed to just works so this could be an issue :) Here are a couple of suggestions:

1) Make sure SPI and I2C are enable. This can be done with sudo raspi-config and go to Interfacing Options, then enable SPI + I2C and reboot.

2) Could you also apply this fix: https://github.com/f0cal/google-coral/issues/21#issuecomment-691426061?

sudo vim /usr/lib/python3/dist-packages/coral/enviro/board.py

go to this line and change:

self._display = ssd1306(serial_interface=spi(),

to this:

self._display = ssd1306(serial_interface=spi(cs_high=True),

Then :wq! to save the file and rerun the demo

I'll try to get our documentations updated and the code fix.

neilh10 commented 3 years ago

Hello Yes I had already gone through with ~ udo raspi-config and go to Interfacing Options, then enable SPI + I2C and no effect. Just repeated to make sure.

The ssd1306 looks like its already been incorporated - file attached, and this is what I actually see

        # Default to RPi.GPIO in luma and defaults GPIO.
        self._display = ssd1306(serial_interface=spi(),
                                gpio=noop(), height=32, rotate=2)

board.py.txt

rebooted and tried again. Still same problem

Namburger commented 3 years ago

whoopies, you have to add that cs_high=True to the serial_interface argument:

# Default to RPi.GPIO in luma and defaults GPIO.
        self._display = ssd1306(serial_interface=spi(csi_high=True),
                                gpio=noop(), height=32, rotate=2)

Sorry, I reversed the order on that previous comment...)

neilh10 commented 3 years ago

Oh thanks for the pointer. I'm using it as a tutorial this morning, still doesn't work as specified has error, can't find option csi_high From https://luma-core.readthedocs.io/en/latest/interface.html seems like for spi() there is option cs_high (so the csi_high seems to be a typo mistake on previous examples)

# Default to RPi.GPIO in luma and defaults GPIO.
        self._display = ssd1306(serial_interface=spi(cs_high=True),
                                gpio=noop(), height=32, rotate=2)

This now runs, However this still gives same "nan"

For such a simple program (with lots happening in the libs), seems like something is missing. Either specifying what version of raspberryPi OS it was tested on, OR .... ....

neilh10 commented 3 years ago

I just rebuilt a raspberry from new on a uSD, enabled the SPI and I2C with "sudo raspi-config", added the cs_high=True. Still same problem 'nan'

Luisibear98 commented 3 years ago

Im having the same trouble here! My OS version is:

Debugging the sensors structure, after each read it returns:

cheers!

Luisibear98 commented 3 years ago

I think problems comes when board.py tries to look for the sensors.

The path /sys/bus/iio/devices/ seems to be empty

neilh10 commented 3 years ago

I've gone with https://shop.pimoroni.com/products/enviro?variant=31155658489939 PIM486 and it worked straight away.
Be interested if you figure it out.

Luisibear98 commented 3 years ago

I've gone with https://shop.pimoroni.com/products/enviro?variant=31155658489939 PIM486 and it worked straight away. Be interested if you figure it out. Thanks for the idea!

Finally decided to go for a custom version of the code. It is a modification from the original project adding more libraries to control the sensors. Now I'm getting all the values! let me know if any of you needs the code.

jeffreycunn commented 3 years ago

I've gone with https://shop.pimoroni.com/products/enviro?variant=31155658489939 PIM486 and it worked straight away. Be interested if you figure it out. Thanks for the idea!

Finally decided to go for a custom version of the code. It is a modification from the original project adding more libraries to control the sensors. Now I'm getting all the values! let me know if any of you needs the code.

What did you end up doing? Which libraries?

Luisibear98 commented 3 years ago

I've gone with https://shop.pimoroni.com/products/enviro?variant=31155658489939 PIM486 and it worked straight away. Be interested if you figure it out. Thanks for the idea!

Finally decided to go for a custom version of the code. It is a modification from the original project adding more libraries to control the sensors. Now I'm getting all the values! let me know if any of you needs the code.

What did you end up doing? Which libraries?

Hi! sorry for the delay, I made a custom repo for that solution. Check my profile! :D

Luisibear98 commented 3 years ago

I've gone with https://shop.pimoroni.com/products/enviro?variant=31155658489939 PIM486 and it worked straight away. Be interested if you figure it out. Thanks for the idea!

Finally decided to go for a custom version of the code. It is a modification from the original project adding more libraries to control the sensors. Now I'm getting all the values! let me know if any of you needs the code.

What did you end up doing? Which libraries?

https://github.com/Luisibear98/google-coral.git Thats the repo! just enter on the folder and install requirements!

jeffreycunn commented 3 years ago

Even when I download your repo, the sensor will not display RH or light level....this is really perplexing to me. I think there is something wrong at a lower level.

Luisibear98 commented 3 years ago

Even when I download your repo, the sensor will not display RH or light level....this is really perplexing to me. I think there is something wrong at a lower level.

Did you cloned my repo and Installed the requirements.txt? Im using python3 and it is working :). I have updated the enviro_board class. What fo yoy get when you execute it? This is what I get: {'CPU': 46.698, 'temperature': 35.163421630859375, 'humidity': 35.8489990234375, 'ambient_light': 53.86, 'pressure': 945.9359053930328}

Luisibear98 commented 3 years ago

Even when I download your repo, the sensor will not display RH or light level....this is really perplexing to me. I think there is something wrong at a lower level.

In addition, could you test the test.py script I did? I have added it now. Just do "python3 test.py -d 0x45" Does it print the lux? If so just try again the enviro_board.py