Date: Tue, 6 Oct 2020 15:53:46 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Daniel Braniss <danny@cs.huji.ac.il>, Emmanuel Vadot <manu@bidouilliste.com> Cc: "freebsd-arm@freebsd.org" <arm@FreeBSD.org> Subject: Re: nanopi/allwinner i2c not working. Message-ID: <0ba109b4-784f-19ed-e52d-a40b75af872c@FreeBSD.org> In-Reply-To: <6416CA90-AB4C-4F8A-BCF4-7C9E5A4F2F8D@cs.huji.ac.il> References: <234D06ED-C99F-477E-8D95-492979084E7A@cs.huji.ac.il> <d154f62f-cf41-aaac-4bae-89ee48163afa@FreeBSD.org> <E2E23A4F-9D51-4803-BFF1-B5B2BBE56576@cs.huji.ac.il> <7934CE38-DC3F-450A-A131-19A7F88DA9EC@cs.huji.ac.il> <e1dd71e2-9ee3-380d-7be9-601a3015652c@FreeBSD.org> <20201006104119.28f2262d47107d41025d193f@bidouilliste.com> <29A34854-E792-48CE-AF0A-E4C605BDFC3B@cs.huji.ac.il> <6416CA90-AB4C-4F8A-BCF4-7C9E5A4F2F8D@cs.huji.ac.il>
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On 06/10/2020 15:47, Daniel Braniss wrote: > i2c -s works - finds the devices > > but can’t do much else, can’t talk to the device (pn532) > trying to write i get > I2CRWR: errno 1: Operation not permitted’ You have to use -m tr with twsi. -- Andriy Gapon
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