Re: user block
"Tom Collins tom-lnEA/wrDJtNWk0Htik3J/[email protected] [rabbit-semi]" <[email protected]> Wed, 7 Dec 2016 13:19:12 -0800
| Newsgroups | gmane.comp.hardware.rabbit-semiconductor |
|---|---|
| Message-ID | <[email protected]> |
--Apple-Mail=_D1288A2C-5EAD-4CCA-BE22-FF506776C719 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii The libraries reserve space at the top of the UserBlock using the macro ZWO= RLD_RESERVED_SIZE. You should place your data at offset 0 (the start of th= e UserBlock). How often are you writing data? How long is it taking? You should be sure= to write all of the bytes in a single call to the function. Because of ho= w the library maintains mirrored UserBlocks (to always ensure a valid UserB= lock) it can take awhile to update even a small portion of the data. I wou= ld recommend only writing when necessary, such as when you're saving config= uration information. If you need frequent updates, maybe you should use a variable in nvram, cre= ated by using the bbram keyword (see Samples/RestartVars/BatteryRAM). writeUserBlockArray() is useful if you need to write a sequence of data fro= m multiple sources at one time. -Tom On Dec 7, 2016, at 12:06 PM, [email protected] [rabbit-semi] wrote: > I am using BL4S200. I want to use some of bytes to hold some critical par= ameters using user block. However, I don't know how to find address offset = free for me because I don't want to use adc calibration, and some other res= erved space. anybody know how to do it. >=20 >=20 >=20 > Basically I only have 100 bytes for my parameters, but when I use writeus= erblock, it takes the time longer than I expect and also it looks like to r= educe my program speed because my serial communication takes longer time. I= found another function writeuserblockarray, which one I can use and which = one is better? >=20 >=20 --Apple-Mail=_D1288A2C-5EAD-4CCA-BE22-FF506776C719 Content-Type: text/html; charset=US-ASCII Content-Transfer-Encoding: 7bit <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> </head> <body style="background-color: #fff;"> <span style="display:none"> </span> <!--~-|**|PrettyHtmlStartT|**|-~--> <div id="ygrp-mlmsg" style="position:relative;"> <div id="ygrp-msg" style="z-index: 1;"> <!--~-|**|PrettyHtmlEndT|**|-~--> <div id="ygrp-text" > <p><div>The libraries reserve space at the top of the UserBlock using the macro ZWORLD_RESERVED_SIZE. You should place your data at offset 0 (the start of the UserBlock).</div><div><br></div>How often are you writing data? How long is it taking? You should be sure to write all of the bytes in a single call to the function. Because of how the library maintains mirrored UserBlocks (to always ensure a valid UserBlock) it can take awhile to update even a small portion of the data. I would recommend only writing when necessary, such as when you're saving configuration information.<div><br></div><div>If you need frequent updates, maybe you should use a variable in nvram, created by using the bbram keyword (see Samples/RestartVars/BatteryRAM).<div><br></div><di v>writeUserBlockArray() is useful if you need to write a sequence of data from multiple sources at one time.<div><br><div> <span class="Apple-style-span" style="border-collapse: separate;color: rgb(0, 0, 0);font-family: Helvetica;font-size: 12px;font-style: normal;font-variant: normal;font-weight: normal;letter-spacing: normal;text-align: auto;text-indent: 0px;"><div>-Tom</div><br class="Apple-interchange-newline"></span> </div> <br><div><div>On Dec 7, 2016, at 12:06 PM, <a href="mailto:[email protected]">[email protected]</a> [rabbit-semi] wrote:</div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate;font-family: Helvetica;font-style: normal;font-variant: normal;font-weight: normal;letter-spacing: normal;text-indent: 0px;text-transform: none;white-space: normal;word-spacing: 0px;"><span class="Apple-style-span" style="font-family: Georgia;font-size: 13px;"><p style="margin-top: 0px;margin-right: 0px;margin-bottom: 1em;margin-left: 0px;">I am using BL4S200. I want to use some of bytes to hold some critical parameters using user block. However, I don't know how to find address offset free for me because I don't want to use adc calibration, and some other reserved space. any body know how to do it.</p><p style="margin-top: 0px;margin-right: 0px;margin-bottom: 1em;margin-left: 0px;"><br></p><p style="margin-top: 0px;margin-right: 0px;margin-bottom: 1em;margin-left: 0px;">Basically I only have 100 bytes for my parameters, but when I use writeuserblock, it takes the time longer than I expect and also it looks like to reduce my program speed because my serial communication takes longer time. I found another function writeuserblockarray, which one I can use and which one is better?</p></span></span><br class="Apple-interchange-newline"></blockquote></div><br></div></div></div></p> </div> <!--~-|**|PrettyHtmlStart|**|-~--> <div style="color: #fff; height: 0;">__._,_.___</div> <div style="clear:both"> </div> <div id="fromDMARC" style="margin-top: 10px;"> <hr style="height:2px ; border-width:0; color:#E3E3E3; background-color:#E3E3E3;"> Posted by: Tom Collins <tom-lnEA/wrDJtNWk0Htik3J/[email protected]> <hr style="height:2px ; border-width:0; color:#E3E3E3; background-color:#E3E3E3;"> </div> <div style="clear:both"> </div> <table cellspacing=4px style="margin-top: 10px; margin-bottom: 10px; color: #2D50FD;"> <tbody> <tr> <td style="font-size: 12px; font-family: arial; font-weight: bold; padding: 7px 5px 5px;" > <a style="text-decoration: none; color: #2D50FD" href="https://groups.yahoo.com/neo/groups/rabbit-semi/conversations/messages/42421;_ylc=X3oDMTJxMnBlYTdtBF9TAzk3MzU5NzE0BGdycElkAzIzMDczMTYEZ3Jwc3BJZAMxNzA2NTU0MjA1BG1zZ0lkAzQyNDIxBHNlYwNmdHIEc2xrA3JwbHkEc3RpbWUDMTQ4MTE0NTU1Nw--?act=reply&messageNum=42421">Reply via web post</a> </td> <td>•</td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px;" > <a href="mailto:tom-lnEA/wrDJtNWk0Htik3J/[email protected]?subject=Re%3A%20%5Brabbit-semi%5D%20user%20block" style="text-decoration: none; color: #2D50FD;"> Reply to sender </a> </td> <td>•</td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px;"> <a href="mailto:[email protected]?subject=Re%3A%20%5Brabbit-semi%5D%20user%20block" style="text-decoration: none; color: #2D50FD"> Reply to group </a> </td> <td>•</td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px;" > <a href="https://groups.yahoo.com/neo/groups/rabbit-semi/conversations/newtopic;_ylc=X3oDMTJlanA5MWpxBF9TAzk3MzU5NzE0BGdycElkAzIzMDczMTYEZ3Jwc3BJZAMxNzA2NTU0MjA1BHNlYwNmdHIEc2xrA250cGMEc3RpbWUDMTQ4MTE0NTU1Nw--" style="text-decoration: none; color: #2D50FD">Start a New Topic</a> </td> <td>•</td> <td style="font-size: 12px; font-family: arial; padding: 7px 5px 5px;color: #2D50FD;" > <a href="https://groups.yahoo.com/neo/groups/rabbit-semi/conversations/topics/5620;_ylc=X3oDMTM1dDI5bjRpBF9TAzk3MzU5NzE0BGdycElkAzIzMDczMTYEZ3Jwc3BJZAMxNzA2NTU0MjA1BG1zZ0lkAzQyNDIxBHNlYwNmdHIEc2xrA3Z0cGMEc3RpbWUDMTQ4MTE0NTU1NwR0cGNJZAM1NjIw" style="text-decoration: none; color: #2D50FD;">Messages in this topic</a> (5) </td> </tr> </tbody> </table> <div id="megaphoneModule"> <hr style="height:2px ; border-width:0; color:#E3E3E3; background-color:#E3E3E3;"> <div> <div class="stream" style="margin-bottom:10px;"> <div style="background-color:white;"> <div class="sn-img" style="display:inline;"><img name="tn_file" style="padding:0px 10px;vertical-align:top;margin-top:5px;" src="https://s.yimg.com/ru/static/images/yg/img/megaphone/1464031581_phpFA8bON" height="82" width="82"></div> <div class="mod-txt" style="display:inline-block;"> <a rel="nofollow" name="sub_url" target="_blank" href="https://yho.com/1wwmgg" style="color:#0000FF;display:block;margin-left:5px;text-decoration:none;"><span style="font-size:15px;">Have you tried the highest rated email app?</span></a> <div style="max-width:530px;padding:2px 5px;">With 4.5 stars in iTunes, the Yahoo Mail app is the highest rated email app on the market. 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