RTC - Revision history

JulienB at 13:47, 19 September 2016

2016-09-19T13:47:42Z

← Older revision		Revision as of 15:47, 19 September 2016
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	* [http://datasheets.maxim-ic.com/en/ds/DS1374-DS1374U.pdf Maxim's DS1374 datasheet]		* [http://datasheets.maxim-ic.com/en/ds/DS1374-DS1374U.pdf Maxim's DS1374 datasheet]
	* [http://www.yoannsculo.fr/uclibc-et-timezone-info-tz/ uClibc et Timezone Info (TZ)] (French)		* [http://www.yoannsculo.fr/uclibc-et-timezone-info-tz/ uClibc et Timezone Info (TZ)] (French)

			[[Category:Time]]

2015-05-20T13:00:23Z

APF6

← Older revision		Revision as of 15:00, 20 May 2015
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	===APF6===		===APF6===
	MCP794000 driver is integrated by default in armadeus BSP's Linux kernel for [[APF6]].		MCP794000 driver is integrated by default in armadeus BSP's Linux kernel for [[APF6]].
			<pre class="apf">
			# dmesg \| grep mcp
			[ 1.665275] rtc-mcp7940x 1-006f: rtc core: registered mcp7940x-rtc as rtc0
			</pre>

	== Usage ==		== Usage ==

2015-05-18T13:47:50Z

Links

← Older revision		Revision as of 15:47, 18 May 2015
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	== Links ==		== Links ==
	* [http://datasheets.maxim-ic.com/en/ds/DS1374-DS1374U.pdf Maxim's DS1374 datasheet]		* [http://datasheets.maxim-ic.com/en/ds/DS1374-DS1374U.pdf Maxim's DS1374 datasheet]
	* [http://www.yoannsculo.fr/uclibc-et-timezone-info-tz/] (French)		* [http://www.yoannsculo.fr/uclibc-et-timezone-info-tz/ uClibc et Timezone Info (TZ)] (French)

2015-05-18T13:46:38Z

Links

← Older revision		Revision as of 15:46, 18 May 2015
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	== Links ==		== Links ==
	* [http://datasheets.maxim-ic.com/en/ds/DS1374-DS1374U.pdf Maxim's DS1374 datasheet]		* [http://datasheets.maxim-ic.com/en/ds/DS1374-DS1374U.pdf Maxim's DS1374 datasheet]
			* [http://www.yoannsculo.fr/uclibc-et-timezone-info-tz/] (French)

2015-05-18T13:46:10Z

Usage

← Older revision		Revision as of 15:46, 18 May 2015
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	CET-1DST,M3.5.0/2:00,M10.5.0/3:00		CET-1DST,M3.5.0/2:00,M10.5.0/3:00
	</pre>		</pre>
			Examples for TZ can be found here:http://www.sonoracomm.com/support/20-voice-support/107-uclibc-tz

	* you can update RTC from a NTP (Network Time Protocol) server if your board is connected to internet or a NTP server		* you can update RTC from a NTP (Network Time Protocol) server if your board is connected to internet or a NTP server
	<pre class="apf">		<pre class="apf">

2015-05-18T13:39:30Z

Usage

← Older revision		Revision as of 15:39, 18 May 2015
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	wm831x-rtc wm831x-rtc: setting system clock to 2011-xxxx		wm831x-rtc wm831x-rtc: setting system clock to 2011-xxxx
	</pre>		</pre>
	* TimeZone/Summer time handling can be configured in /etc/TZ:		* TimeZone/Summer time handling can be configured in ''/etc/TZ'' (uClibc particularity):
	<pre class="apf">		<pre class="apf">
	# cat /etc/TZ		# cat /etc/TZ

2015-05-18T13:35:50Z

Usage

← Older revision		Revision as of 15:35, 18 May 2015
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	</pre>		</pre>
	{{Warning\|Security "features" prevent to change RTC time more than 8 times per hour '''on the APF51''' !!}}		{{Warning\|Security "features" prevent to change RTC time more than 8 times per hour '''on the APF51''' !!}}
	* ~~and~~ '''date''' to read and update system date and time while running:		* Use '''date''' command to read and update system date and time while running:
	<pre class="apf">		<pre class="apf">
	# date --help for more information		# date --help for more information

2015-05-18T13:34:59Z

APF6

← Older revision		Revision as of 15:34, 18 May 2015
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	===APF6===		===APF6===
	~~MCP497000~~ driver is integrated by default in armadeus BSP.		MCP794000 driver is integrated by default in armadeus BSP's Linux kernel for [[APF6]].

	== Usage ==		== Usage ==

2015-05-18T13:34:17Z

Keep clock

← Older revision		Revision as of 15:34, 18 May 2015
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	And to wake-up the board push the button 'ON'. The date and hour will be keeped when you type 'date' or 'hwclock'.		And to wake-up the board push the button 'ON'. The date and hour will be keeped when you type 'date' or 'hwclock'.

			===APF6===
			MCP497000 driver is integrated by default in armadeus BSP.

	== Usage ==		== Usage ==

2015-05-18T13:33:10Z

Driver installation

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	== Driver installation ==		== Driver installation ==
	===APF9328/APF27===		===APF9328/APF27===
	DS1374 is by default included in standard Armadeus Linux kernel. To check if your board (Linux) has correctly detected the RTC:		DS1374 driver is by default included in standard Armadeus Linux kernel. To check if your board (Linux) has correctly detected the RTC:
	<pre class="apf">		<pre class="apf">
	# dmesg \| grep ds1374		# dmesg \| grep ds1374