Date: Mon, 21 Feb 2022 19:26:47 +0800 From: Archimedes Gaviola <archimedes.gaviola@gmail.com> To: Andriy Gapon <avg@freebsd.org> Cc: "Daniel O'Connor" <darius@dons.net.au>, freebsd-arm@freebsd.org Subject: Re: DS3231 RTC module not detected Message-ID: <CAJFbk7G1Ryp5uUzg1s-84LMp7PGFdTpj=PibJ7hui-mF6fmiLg@mail.gmail.com> In-Reply-To: <1015913d-ea06-2524-e988-f8a4a04366f9@FreeBSD.org> References: <CAJFbk7EtkjnFBJgr-L3faxaQ2saNgEQ%2BLRPWbRySpwY8wJRh=Q@mail.gmail.com> <F2EFEDCC-1E00-4221-8AF9-3744A7AC359C@dons.net.au> <CAJFbk7Ed2R8M2xAkJQAjiivZie=8Ca_Rt50YEG4P3yWzQLQhrg@mail.gmail.com> <1015913d-ea06-2524-e988-f8a4a04366f9@FreeBSD.org>
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--000000000000b54d8705d8858266 Content-Type: text/plain; charset="UTF-8" On Sun, Feb 20, 2022 at 6:30 PM Andriy Gapon <avg@freebsd.org> wrote: > On 18/02/2022 16:22, Archimedes Gaviola wrote: > > The result is it is detected as MAX77620 RTC on 0xd0 address but when I > run an > > i2c scan, the address detected is 68. Does this should match? > > 0xd0 and 0x68 are different representations of the same I2C address. > If you write it out in binary (base of two), you will see. > Thanks Andriy for your input, now I know. --000000000000b54d8705d8858266 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">On Sun, Feb 20, 2022 at 6:30 PM Andri= y Gapon <<a href=3D"mailto:avg@freebsd.org">avg@freebsd.org</a>> wrot= e:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0= .8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 18/02/2022= 16:22, Archimedes Gaviola wrote:<br> > The result is it is detected as MAX77620 RTC on 0xd0 address but when = I run an <br> > i2c scan, the address detected is 68. Does this should match?<br> <br> 0xd0 and 0x68 are different representations of the same I2C address.<br> If you write it out in binary (base of two), you will see.<br></blockquote>= </div><div class=3D"gmail_quote"><br></div><div class=3D"gmail_quote">Thank= s Andriy for your input, now I know.<br></div><div class=3D"gmail_quote"><b= r></div></div> --000000000000b54d8705d8858266--
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