Forums - Access I2C0 on LS1

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Access I2C0 on LS1
christopher.gage
Join Date: 3 Sep 20
Posts: 3
Posted: Wed, 2020-12-16 09:05
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Hello,

I am trying to access devices on a custom mezzanine board through the I2C0 signal from the LS1 connector.

Does this map to /dev/i2c-0? If not, which /dev/ device should I be using?

Using i2cdetect, none of the /dev/i2c-* devices output any signal on I2C0 when examined with a scope.

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Re: Access I2C0 on LS1
kevin.dai
Join Date: 21 Oct 20
Posts: 137
Posted: Thu, 2020-12-17 14:29
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Hi christopher.gage

Accroding to Hardware Reference Platform User Guide, the GPIO pins for i2c0 are:
 
I2C0_SCL  : GPIO9
I2C0_SDA : GPIO8
 
I am checking if these two pins are connected correcttly  in i2c configure.
 
Thanks
Kevin
 

 

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Re: Access I2C0 on LS1
kevin.dai
Join Date: 21 Oct 20
Posts: 137
Posted: Mon, 2020-12-21 10:06
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Hi christopher.gage

it looks like the I2C0 had not been configured correctly, we are working on it.

Thanks

Kevin

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Re: Access I2C0 on LS1
kevin.dai
Join Date: 21 Oct 20
Posts: 137
Posted: Fri, 2021-01-15 10:57
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Test image is ready, please send message to get images and do test

 

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