RTC - Revision history

Sol HSA: gallerize images

2025-10-07T14:46:28Z

gallerize images

← Older revision		Revision as of 15:46, 7 October 2025
Line 15:		Line 15:
	This is the mounting position on the PCB:		This is the mounting position on the PCB:

	~~{\| width=100%~~		<gallery>
	~~\|valign=top width=50%\| [[Image:~~RTC_Port_Location.jpg]]		RTC_Port_Location.jpg\|port location
	~~\|valign=top\| [[Image:~~RTC_Port.png]]		RTC_Port.png\|pinout
	\|}		</gallery>

	== Software Support ==		== Software Support ==

Xalior: /* Software Support */

2021-10-12T10:54:12Z

Software Support

← Older revision		Revision as of 11:54, 12 October 2021
Line 53:		Line 53:
	The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others then they are likely parts of the HDMI connection or maybe you have something connected on J15.		The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others then they are likely parts of the HDMI connection or maybe you have something connected on J15.

	Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt and \docs\~~nextzxosz~~\ NextZXOS_and_esxDOS_APIs.pdf		Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt and \docs\nextzxos\NextZXOS_and_esxDOS_APIs.pdf

Xalior: /* Software Support */

2021-10-12T10:46:22Z

Software Support

← Older revision		Revision as of 11:46, 12 October 2021
Line 53:		Line 53:
	The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others then they are likely parts of the HDMI connection or maybe you have something connected on J15.		The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others then they are likely parts of the HDMI connection or maybe you have something connected on J15.

	Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt		Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt and \docs\nextzxosz\ NextZXOS_and_esxDOS_APIs.pdf

Timgilberts at 19:55, 28 February 2020

2020-02-28T19:55:40Z

← Older revision		Revision as of 20:55, 28 February 2020
Line 51:		Line 51:
	OPEN #4,"u>filename":CLOSE #4		OPEN #4,"u>filename":CLOSE #4

	The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others ~~when you have nothing on J15~~ then ~~make sure you have~~ the ~~latest TBU, any capacitor mod etc - if so and~~ you ~~still~~ have ~~others detected then please contribute to the RTC posts~~ on ~~Facebook or the [https://www.specnext.com/forum Forum]~~.		The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others then they are likely parts of the HDMI connection or maybe you have something connected on J15.

	Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt		Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt

Timgilberts at 19:53, 28 February 2020

2020-02-28T19:53:12Z

← Older revision		Revision as of 20:53, 28 February 2020
Line 36:		Line 36:
	\| .TIME -h \|\| Print help message		\| .TIME -h \|\| Print help message
	\|}		\|}

			You can also set the time with the .NXTP command if you have WIFI setup and configured.

	If you use these without a RTC soldered to the board they will just give an error that no signature is found or No ACK received. You can however use the option TIME -d to get the contents of the chip which will be junk if the RTC is not fitted but, but may help to diagnose any problems getting it working.		If you use these without a RTC soldered to the board they will just give an error that no signature is found or No ACK received. You can however use the option TIME -d to get the contents of the chip which will be junk if the RTC is not fitted but, but may help to diagnose any problems getting it working.

	When the RTC is fitted, the date and time automatically appear in the NextZXOS menus. The ".ls" command will print a file listing with dates, and "cat exp" will show times as well.		When the RTC is fitted, as long as it has been set the date and time automatically appear in the NextZXOS menus. The ".ls" command will print a file listing with dates, and "cat exp" will show times as well.

	You can get the contents of a dot command into a string using this NextBASIC:		You can get the contents of a dot command into a string using this NextBASIC:

Julian S at 15:44, 26 April 2019

2019-04-26T15:44:09Z

← Older revision		Revision as of 16:44, 26 April 2019
Line 39:		Line 39:
	If you use these without a RTC soldered to the board they will just give an error that no signature is found or No ACK received. You can however use the option TIME -d to get the contents of the chip which will be junk if the RTC is not fitted but, but may help to diagnose any problems getting it working.		If you use these without a RTC soldered to the board they will just give an error that no signature is found or No ACK received. You can however use the option TIME -d to get the contents of the chip which will be junk if the RTC is not fitted but, but may help to diagnose any problems getting it working.

	When the RTC is fitted, the date and time automatically appear in the ~~NextOS~~ menus. The ".ls" command will print a file listing with dates, and "cat exp" will show times as well.		When the RTC is fitted, the date and time automatically appear in the NextZXOS menus. The ".ls" command will print a file listing with dates, and "cat exp" will show times as well.

	You can get the contents of a dot command into a string using this NextBASIC:		You can get the contents of a dot command into a string using this NextBASIC:
Line 49:		Line 49:
	OPEN #4,"u>filename":CLOSE #4		OPEN #4,"u>filename":CLOSE #4

	The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others when you have nothing on J15 then make sure you have the latest TBU, any ~~Capacitor~~ mod etc - if so and you still have others detected then please contribute to the RTC posts on Facebook or the [https://www.specnext.com/forum Forum].		The RTC is connected to the I2C bus. Also supplied is a DOT command called I2CSCAN - this will search the I2C bus for any devices found which can help in seeing what is connected. You should see at least one device at 0x68 if the RTC chip is connected. If you see others when you have nothing on J15 then make sure you have the latest TBU, any capacitor mod etc - if so and you still have others detected then please contribute to the RTC posts on Facebook or the [https://www.specnext.com/forum Forum].

	Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt		Further information, including ESXDOS support, can be found on the TBBlue Distribution in the file \docs\extra-hw\rtc\RTCI2CTIMEDATEreadme.txt

Daz: Headings

2019-04-26T13:48:49Z

Headings

← Older revision		Revision as of 14:48, 26 April 2019
Line 1:		Line 1:
	A Real Time Clock (RTC) and Wi-Fi module were optional additions to the full cased Spectrum Next at the time of the original Kickstarter. They can be added to development boards and units that don't already have them, although the RTC requires soldering components to the board (whilst the Wi-Fi module is push-fit).		A Real Time Clock (RTC) and Wi-Fi module were optional additions to the full cased Spectrum Next at the time of the original Kickstarter. They can be added to development boards and units that don't already have them, although the RTC requires soldering components to the board (whilst the Wi-Fi module is push-fit).

			== Hardware Requirements ==

	Adding a RTC requires the following components:		Adding a RTC requires the following components:
Line 17:		Line 19:
	\|valign=top\| [[Image:RTC_Port.png]]		\|valign=top\| [[Image:RTC_Port.png]]
	\|}		\|}

			== Software Support ==

	The [https://www.specnext.com/latestdistro/ TBBlue SD Distribution] contains dot commands "DATE" and "TIME" for working with the RTC:		The [https://www.specnext.com/latestdistro/ TBBlue SD Distribution] contains dot commands "DATE" and "TIME" for working with the RTC:

Daz: Added dot commands

2019-04-26T13:27:58Z

Added dot commands

@@ Line 3: / Line 3: @@
 Adding a RTC requires the following components:
-* Crystal
+* 12pF Crystal
 * DS1307 IC
 * 8 pin DIL Socket
 * CR2032 Holder
 * CR2032 Battery
 This is the mounting position on the PCB:
@@ Line 15: / Line 17: @@
 |valign=top| [[Image:RTC_Port.png]]
 |}

Daz at 12:36, 26 April 2019

2019-04-26T12:36:16Z

← Older revision		Revision as of 13:36, 26 April 2019
Line 11:		Line 11:
	This is the mounting position on the PCB:		This is the mounting position on the PCB:

	[[Image:~~/w/images/1/15/RTC Port Location~~.jpg]]		{\| width=100%
			\|valign=top width=50%\| [[Image:RTC_Port_Location.jpg]]
			\|valign=top\| [[Image:RTC_Port.png]]
			\|}

Daz at 12:34, 26 April 2019

2019-04-26T12:34:37Z

← Older revision		Revision as of 13:34, 26 April 2019
Line 11:		Line 11:
	This is the mounting position on the PCB:		This is the mounting position on the PCB:

	[[~~File~~:/w/images/1/15/RTC Port Location.jpg~~\|frame\|RTC mounting location~~]]		[[Image:/w/images/1/15/RTC Port Location.jpg]]