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[93.72.151.96]) by smtp.googlemail.com with ESMTPSA id y9sm600677lfg.293.2020.10.06.06.47.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Oct 2020 06:47:28 -0700 (PDT) Subject: Re: nanopi/allwinner i2c not working. To: Daniel Braniss Cc: Emmanuel Vadot , "freebsd-arm@freebsd.org" References: <234D06ED-C99F-477E-8D95-492979084E7A@cs.huji.ac.il> <7934CE38-DC3F-450A-A131-19A7F88DA9EC@cs.huji.ac.il> <20201006104119.28f2262d47107d41025d193f@bidouilliste.com> <29A34854-E792-48CE-AF0A-E4C605BDFC3B@cs.huji.ac.il> <6416CA90-AB4C-4F8A-BCF4-7C9E5A4F2F8D@cs.huji.ac.il> <0ba109b4-784f-19ed-e52d-a40b75af872c@FreeBSD.org> <7C27FB6C-BF0D-4DAE-99D0-50849D2FBA5E@cs.huji.ac.il> From: Andriy Gapon Openpgp: preference=signencrypt Autocrypt: addr=avg@FreeBSD.org; prefer-encrypt=mutual; keydata= mDMEX1iFDhYJKwYBBAHaRw8BAQdAiu8JG/oLFkVkOAJqJc7Dx5KI/Q6C3SBI20EQm+DXnAu0 HkFuZHJpeSBHYXBvbiA8YXZnQEZyZWVCU0Qub3JnPoiWBBMWCAA+FiEEyCHHZM09l0OE3Ir/ 1A1+Gq8+L1EFAl9YhQ4CGwMFCQeEzgAFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQ1A1+ Gq8+L1Fc0wD/ZjmhHfbCJywZU3aOxXIPjcz73FYEGMvqMCCLAWyLbSABALFL+1ZNrjV3BGjq 889cOYFuboA/Yn3eWezS+tfqYBsGuDgEX1iFDhIKKwYBBAGXVQEFAQEHQL6B20Xi600TrkpG P9fWjl7JtHNxqrHKhX6Kg7kgb4ILAwEIB4h+BBgWCAAmFiEEyCHHZM09l0OE3Ir/1A1+Gq8+ L1EFAl9YhQ4CGwwFCQeEzgAACgkQ1A1+Gq8+L1F3cgEAktp4h+IJUJxL1vn6zMOt//znni/J TanKfQuA8wGXcGkBAKpZJhqMkg+pKk7MGvJhgJ6nCpTZ+rMK6vZVZLUWc3QF Message-ID: <43a5d626-634c-2cc2-e8a5-ad4326a2d6e2@FreeBSD.org> Date: Tue, 6 Oct 2020 16:47:27 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Firefox/60.0 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4C5JgS68gdz4W0h X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of agapon@gmail.com designates 209.85.208.180 as permitted sender) smtp.mailfrom=agapon@gmail.com X-Spamd-Result: default: False [-2.35 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-0.37)[-0.367]; FORGED_SENDER(0.30)[avg@FreeBSD.org,agapon@gmail.com]; RECEIVED_SPAMHAUS_PBL(0.00)[93.72.151.96:received]; MIME_TRACE(0.00)[0:+]; R_DKIM_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; FROM_NEQ_ENVFROM(0.00)[avg@FreeBSD.org,agapon@gmail.com]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.94)[-0.944]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; NEURAL_HAM_LONG(-1.04)[-1.037]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[arm@freebsd.org]; DMARC_NA(0.00)[FreeBSD.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[209.85.208.180:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.208.180:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[arm] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 Oct 2020 13:47:34 -0000 On 06/10/2020 16:30, Daniel Braniss wrote: > > >> On 6 Oct 2020, at 16:26, Andriy Gapon wrote: >> >> On 06/10/2020 16:23, Daniel Braniss wrote: >>> >>> >>>> On 6 Oct 2020, at 15:53, Andriy Gapon wrote: >>>> >>>> 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. >>> >>> please translate :-) >> >> Okay, please show the command line :) > > ah, got it, but i use ioctl(fd, I2CRDWR, data). > > i’ll recompile and see if it’s still not working. I2CRDWR should work actually, it uses iicbus_transfer. Can you share / show your code? -- Andriy Gapon