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MCC 128 Communication Problems


Caspium

Question

On a previously working MCC 128, I've been unable to communicate with the device. When running the logger demo program, it gives a timeout error for opening the device. When using the daqhats_list_boards command it returns:

Address: 0
Type: MCC 128
Hardware version: 1
Name: MCC 128 Voltage HAT
Can't open device

(same with address 1)

When running a firmware update the following is printed:

Updating...

Timeout waiting for NCHG
Finished
Checking device...

** 5 minutes pass ***

Warning - address 0 using factory EEPROM default values

(this prints infinitely)
 

Any fixes or should I just see about getting this exchanged under warranty?

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5 answers to this question

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22 minutes ago, JRys said:

Hello,

Access the Raspberry PI Preferences/Raspberry PI Configuration/Interfaces and make sure I2C and SPI are enabled. 

Regards,

John

I've confirmed that both I2C and SPI are enabled. I've also tried everything out on a second pi to rule out pi related hardware issues. i2cdetect shows no addresses for the mcc

Edited by Caspium
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12 minutes ago, JRys said:

Hello,

Could you provide me the serial number from your 128 board?  If it's in warranty, I should be able to replace it.

John

 

The serial number should be

132381B-01L

200C59A

I've attached an image of the board in case that's the wrong number

Screenshot_20220830-143952_Messenger.jpg

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