Date: Sun, 1 Mar 2015 12:13:30 -0800 From: Waitman Gobble <gobble.wa@gmail.com> To: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: Chronodot on RPI Message-ID: <CAFuo_fxhC_psyOp-Yw1f7i=cK4rK53erw=gYiHKJHu6U1Ji%2B-w@mail.gmail.com> In-Reply-To: <CAFuo_fzzGV%2B=FcQ=bqxeAQBL9kGusDfW=t5oF6og2kOrN8WZZQ@mail.gmail.com> References: <CAFuo_fzzGV%2B=FcQ=bqxeAQBL9kGusDfW=t5oF6og2kOrN8WZZQ@mail.gmail.com>
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On Sun, Mar 1, 2015 at 11:12 AM, Waitman Gobble <gobble.wa@gmail.com> wrote: > Anyone have luck with the ChronoDot (D3231) on Raspberry Pi? > I have a RPI B+ (rev 1), tried with HEAD r277133 and r279488 without luck. > > > # uname -a > FreeBSD ARTiming150228 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r277133: > Tue Jan 13 20:18:52 PST 2015 > waitman@rpidev.waitman.net:/usr/home/waitman/crochet-freebsd/work/obj/arm.armv6/usr/src/sys/TMRDEV > arm > > # uname -a > FreeBSD raspberry-pi 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r279488: Sun > Mar 1 10:27:33 PST 2015 > waitman@rpidev.waitman.net:/usr/home/waitman/crochet-freebsd/work/obj/arm.armv6/usr/src/sys/TMRDEV > arm > > > # dmesg | grep iic > iichb0: <BCM2708/2835 BSC controller> mem 0x205000-0x20501f irq 61 on simplebus0 > iicbus0: <OFW I2C bus> on iichb0 > iic0: <I2C generic I/O> on iicbus0 > iichb1: <BCM2708/2835 BSC controller> mem 0x804000-0x80401f irq 61 on simplebus0 > iicbus1: <OFW I2C bus> on iichb1 > iic1: <I2C generic I/O> on iicbus1 > > > a) tried the DS1307 program from Vadim Zaigrin, without success. > > b) tried i2cscan from Winston Smith, > > only get errors. ie, > > ioctl(I2CRDWR) failed: Input/output error > > I have VCC pin 1, GND pin 6, SDA on 3 and SCL on 5. > > trying /dev/iic0 and /dev/iic1 > > Any help/suggestions apprecitated. > > Thank you, > > > -- > Waitman Gobble > Los Altos California USA > 510-830-7975 OOPs, I just realized that the code on Vadim's github is working. I had previously tried the code in the blog post. # ./ss -s -f /dev/iic1 # ./ss -r -f /dev/iic1 20:12:29 01/03/2015 root@raspberry-pi:~ # date Sun Mar 1 20:12:32 UTC 2015 https://github.com/vzaigrin/ds1307 Thank you, -- Waitman Gobble Los Altos California USA 510-830-7975
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