Seeing unreliable I2C with PyPortal Titano

CircuitPython on hardware including Adafruit's boards, and CircuitPython libraries using Blinka on host computers.

Moderators: adafruit_support_bill, adafruit

Please be positive and constructive with your questions and comments.
Locked
User avatar
gammaburst
 
Posts: 1015
Joined: Thu Dec 31, 2015 12:06 pm

Seeing unreliable I2C with PyPortal Titano

Post by gammaburst »

Myself and another forum member are seeing unreliable I2C with PyPortal Titano + CircuitPython. I tried busio and bitbangio libraries, but both misbehave in different ways. Using an oscilloscope I see obvious bus malfunctions. Are we doing something wrong? Please see this discussion:
viewtopic.php?f=19&t=185204&p=898183#p899055

User avatar
danhalbert
 
Posts: 4654
Joined: Tue Aug 08, 2017 12:37 pm

Re: Seeing unreliable I2C with PyPortal Titano

Post by danhalbert »

Answered in that thread.

User avatar
gammaburst
 
Posts: 1015
Joined: Thu Dec 31, 2015 12:06 pm

Re: Seeing unreliable I2C with PyPortal Titano

Post by gammaburst »

Did you notice my response on Page 2?
Adafruit forums need a big obvious button at the bottom: Discussion continues on Page 2.

User avatar
danhalbert
 
Posts: 4654
Joined: Tue Aug 08, 2017 12:37 pm

Re: Seeing unreliable I2C with PyPortal Titano

Post by danhalbert »

I did notice your response, and didn't have a chance to respond yet. Let's not continue the discussion in two threads.

Locked
Please be positive and constructive with your questions and comments.

Return to “Adafruit CircuitPython”