Pimatic-johnny-five Plugin dont found MCP23017 on I2C

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Hello,

i have a problem with the Johnny-Five Plugin and a MCP23017 Controller.

The Controller is connected by the I2C Bus, but the Controller dont found it.

In the Config.json i have written this :

      "id": "1",
      "boardType": "expander",
      "controller": "MCP23017",
      "address": "0x22"

But i allways get this error message :

error [pimatic-johnny-five]: [BoardManager] Creation of board 1 raised exception:Error: Board not found
error [pimatic-johnny-five]: [BoardManager] Error: Board not found

The I2C bus does still work. I test it with this command :

i2cdetect -y 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: – -- – -- – -- – -- – -- – -- –
10: – -- – -- – -- – -- 18 – -- – -- – -- –
20: 20 21 22 23 24 25 26 27 – -- – --
30: – -- – -- – -- – -- – -- – -- – -- – --
40: – -- – -- – -- – -- – -- – -- – -- – --
50: 50 – -- – -- – -- 57 – -- – -- – -- – --
60: – -- – -- – -- – -- 68 – -- – -- – -- 6f
70: – -- – -- – -- – --

Can you help me ? Sorry for my bad english.
Thanks for your help.

@mwittig could you have a look pls?

@Arlive said in Pimatic-johnny-five Plugin dont found MCP23017 on I2C:

Can you help me ?

Hi. The “expander” board is just a slave board. See also README, Plugin Configuration which gives an example for a MCP23017 attached to an arduino. For your case, i.e. MCP23017 attached to Raspberry Pi GPIO, you need to setup as follows:

{
  "id": "1",
  "boardType": "raspi-io"
},
{
  "id": "2",
  "boardType": "expander",
  "port": "1",
  "controller": "MCP23017"
}

Note, the port of the “MCP23017” board and the id of the “raspi-io” board must match!

Issues EDIT: Solved

Important Note: Due to an node-gyp issue with raspi-io the package will not build properly when installed as root which is the default when you install plugin via the mobile frontend. As a work-around, please open a shell, remove the package and install again using an unprivileged user.

Thank you for your Help. I have test it with your config. It works

But if i set dis config :

{
  "plugin": "johnny-five",
  "boards": [
    {
      "id": "1",
      "boardType": "raspi-io"
    },
    {
      "id": "2",
      "boardType": "expander",
      "controller": "MCP23017",
      "port": "1",
      "address": "0x24"
    }

“devices”: [
{
“id”: “jf-r-1”,
“name”: “Johnny Five Relay”,
“class”: “JohnnyFiveRelay”,
“boardId”: “2”,
“pin”: “1”,
“type”: “NO”
},

Come dis Error:

19:57:23.677 [pimatic] error:> at BoardWrapper.<anonymous> (/home/pimatic-app/node_modules/pimatic-johnny-five/board-manager.coffee:38:20)
19:57:23.677 [pimatic] error:> at BoardWrapper.g (events.js:180:16)
19:57:23.677 [pimatic] error:> at BoardWrapper.emit (events.js:117:20)
19:57:23.677 [pimatic] error:> at BoardWrapper.finalizeAndBroadcast (/home/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/board.js:475:10)
19:57:23.677 [pimatic] error:> at BoardWrapper.<anonymous> (/home/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/board.js:362:32)
19:57:23.677 [pimatic] error:> at Raspi.g (events.js:180:16)
19:57:23.677 [pimatic] error:> at Raspi.emit (events.js:92:17)
19:57:23.677 [pimatic] error:> at /home/pimatic-app/node_modules/pimatic-johnny-five/node_modules/raspi-io/lib/index.js:274:13
19:57:23.677 [pimatic] error:> This is most probably a bug in pimatic or in a module, please report it!
19:57:23.684 [pimatic] info: exiting…

Cant i set the address in the board ID 2 ?

Thank you.

@Arlive said in Pimatic-johnny-five Plugin dont found MCP23017 on I2C:

“address”: “0x24”

If I get you right it works without setting the address. Are you sure you have set the expander to address 0x24? The default is 0x20 if it wired as follows (the three address lines connected to ground):

If i set the Config :

      "id": "2",
      "boardType": "expander",
      "controller": "MCP23017",
      "address": "0x20",
      "port": "1"

get i a error . Or a others address.

If i set the Config :

      "id": "2",
      "boardType": "expander",
      "controller": "MCP23017",
      "port": "1"

run it.
Its very funny but i dont now why it dosent work.

The address 0x21 - 0x27 is a MCP23017 and i can use it with console commands. The 0x20 Controller is a MCP 23008 from Unipi board.

I am use the Unipi board and i expand it with the I2C bus. Maybe it is incompatible with the Plugin ?

@Arlive Sorry for the delay in reply. I’ll try to reproduce the case, but it’ll take some time as I need to get a suitable plug for the i2c port on the unipi board.

@Arlive said in Pimatic-johnny-five Plugin dont found MCP23017 on I2C:

The address 0x21 - 0x27 is a MCP23017 and i can use it with console commands.

If I get you right you have six expanders connected to the unipi board and you can control each of them from the raspi command line, e.g. switch a digital output on and off, right?

Yes , i have 7 MCP23017 Expanders on the Unipi I2C Bus (0x21 - 0x27) and i would like to control Relais and read Digital I/O s with it.

0x20 ist the MCP23008 from the unipi Bord.

Thank you for your help!

@mwittig

Do you already have found a solution for my problem ?

Regards

@Arlive Sorry, not yet. I have the i2c connector cable now, but I haven’t wired it yet to my MCP23017 test setup. I’ll keep you posted.

Hello,
can you tell me the current status for my plugin ?
Thank you & best regards

@Arlive Sorry, no news yet and it is holidy season.

Hi,

i am using RPI2 Pimatic 0.9.28 and JohnnyFive 0.9.3 for 10 blackout blinds.

I use at the moment one expander (MCP23017 = 0x20).
Now i try to add the second one with adress 0x21.

  "boards": [
    {
      "id": "1",
      "boardType": "raspi-io"
    },
    {
      "id": "2",
      "boardType": "expander",
      "port": "1",
      "controller": "MCP23017",
	  "address": "0x20"
    },
    {
      "id": "3",
      "boardType": "expander",
      "port": "1",
      "controller": "MCP23017",
	  "address": "0x21"
    }

I got this error message
A uncaught exception occured: Error: Invalid I2C address 0x20. Valid addresses are 0 through 0x7f.

at new Expander (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/expander.js:1643:11)
15:36:21.254 [pimatic]> at BoardWrapper.<anonymous> (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/board-manager.coffee:38:20)
15:36:21.254 [pimatic]> at BoardWrapper.g (events.js:260:16)
15:36:21.254 [pimatic]> at emitOne (events.js:82:20)
15:36:21.254 [pimatic]> at BoardWrapper.emit (events.js:169:7)
15:36:21.254 [pimatic]> at BoardWrapper.finalizeAndBroadcast (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/board.js:487:10)
15:36:21.254 [pimatic]> at BoardWrapper.<anonymous> (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/board.js:358:32)
15:36:21.254 [pimatic]> at Raspi.g (events.js:260:16)
15:36:21.254 [pimatic]> at emitNone (events.js:67:13)
15:36:21.254 [pimatic]> at Raspi.emit (events.js:166:7)
15:36:21.254 [pimatic]> at …/index.js:319:12
15:36:21.254 [pimatic]> This is most probably a bug in pimatic or in a module, please report it!

Is there any solution for this ?

[EDIT 10.09.2016 15:32]

  "boards": [
    {
      "id": "1",
      "boardType": "raspi-io"
    },
    {
      "id": "2",
      "boardType": "expander",
      "port": "1",
      "controller": "MCP23017"
    },
    {
      "id": "3",
      "boardType": "expander",
      "port": "1",
      "controller": "MCP23017"
    }
  ],

When i give the first MCP23017 no address (default 0x20) then i got this error message:
A uncaught exception occured: Error: Expander expects a valid controller

at new Expander (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/expander.js:1643:11)
15:36:21.254 [pimatic]> at BoardWrapper.<anonymous> (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/board-manager.coffee:38:20)
15:36:21.254 [pimatic]> at BoardWrapper.g (events.js:260:16)
15:36:21.254 [pimatic]> at emitOne (events.js:82:20)
15:36:21.254 [pimatic]> at BoardWrapper.emit (events.js:169:7)
15:36:21.254 [pimatic]> at BoardWrapper.finalizeAndBroadcast (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/board.js:487:10)
15:36:21.254 [pimatic]> at BoardWrapper.<anonymous> (/home/redsean/pimatic-app/node_modules/pimatic-johnny-five/node_modules/johnny-five/lib/board.js:358:32)
15:36:21.254 [pimatic]> at Raspi.g (events.js:260:16)
15:36:21.254 [pimatic]> at emitNone (events.js:67:13)
15:36:21.254 [pimatic]> at Raspi.emit (events.js:166:7)
15:36:21.254 [pimatic]> at …/index.js:319:12
15:36:21.254 [pimatic]> This is most probably a bug in pimatic or in a module, please report it!

@Knot-Together said in Pimatic-johnny-five Plugin dont found MCP23017 on I2C:

I s there any solution for this ?

I’ll have a look into this later

hello,

I have the same setup problem with PCF8574.

Im using UniPi Board V1.1 - the behavior is the same . If I setup a address the Board cant be initialize.
Its all correct wired and i can read status with i2cget . But with johnny-five it doesnt work.

regards Jens

@pimatic-team Problem Pimatic-johnny five Plugin

Hello yesterday i wrote that i have the same problem with PCF8574 like Knot Together.
Im using a unipi Board. If i configure the id :1 boardtype : raspi-io all unipi Inputs are in closed status - if i look on my evok unipi page port :81 . If i delete the johnny-five configuration - all is ok and pimatic working fine with the evok engine - all inputs are in right status.

Can somebody take a look?

regards Jens

@snoopy10000 sure we will have a look at this.
maybe @mwittig is already working on it.

@mwittig
How much i have to donate to improve the progress - with these problem?

Regards Jens

@snoopy10000
that’s no matter of donation / money!!
and no dev should be pressurized by that.
hope for your undertanding!

i will contact mwittig directly and ask about a possible solution for this issue.