http://forums.leaflabs.com/topic.php?id=877 A place to share, learn, and grow... en-US Fri, 22 Jan 2016 00:06:46 +0000 http://bbpress.org/?v=1.0.2 q http://forums.leaflabs.com/search.php http://forums.leaflabs.com/topic.php?id=877#post-12757 Tue, 21 Aug 2012 09:05:23 +0000 Phono 12757@http://forums.leaflabs.com/ <p>Could you please provide a tutorial and examples on using the multitasking in Maple IDE? </p> http://forums.leaflabs.com/topic.php?id=877#post-12433 Wed, 15 Aug 2012 01:32:05 +0000 feurig 12433@http://forums.leaflabs.com/ <p>Actually I realized the issue I had had nothing to do with the usb. Rather with the fact that the malloc in newlibs stdio wont work with freertos. </p> http://forums.leaflabs.com/topic.php?id=877#post-12432 Wed, 15 Aug 2012 00:43:06 +0000 nully 12432@http://forums.leaflabs.com/ <p>I had no luck with freertos and usb, probably an issue with my code however. </p> http://forums.leaflabs.com/topic.php?id=877#post-12345 Mon, 13 Aug 2012 01:41:13 +0000 feurig 12345@http://forums.leaflabs.com/ <p>And has anyone experimented with it and usb. </p> http://forums.leaflabs.com/topic.php?id=877#post-5410 Fri, 24 Jun 2011 18:25:16 +0000 ridgebackred 5410@http://forums.leaflabs.com/ <p>Wow!</p> <p>Can anyone hazard a rough guesstimate on the percent of processor capacity used by FreeRTOS in a simple (less than 20 threads) application? </p> http://forums.leaflabs.com/topic.php?id=877#post-5404 Fri, 24 Jun 2011 13:44:10 +0000 mbolivar 5404@http://forums.leaflabs.com/ <p>ok, support for FreeRTOS 7.0.1 is now part of libmaple:</p> <p><a href="https://github.com/leaflabs/libmaple/commit/8e8975a8f5f42cc46a96f4b8b6778844270db370" rel="nofollow">https://github.com/leaflabs/libmaple/commit/8e8975a8f5f42cc46a96f4b8b6778844270db370</a></p> <p>thanks a lot to nis for the pull request, and x893 for the initial version! </p> http://forums.leaflabs.com/topic.php?id=877#post-5402 Fri, 24 Jun 2011 13:15:15 +0000 infyrno917 5402@http://forums.leaflabs.com/ <p>I was mistaken about the datasheet, I must have been mixed up with a different chip. I just looked over it again and there's no way to do this without an OS, like you said. Thanks for the quick reply. </p> http://forums.leaflabs.com/topic.php?id=877#post-5399 Fri, 24 Jun 2011 13:12:51 +0000 mbolivar 5399@http://forums.leaflabs.com/ <p>there's no libmaple support for multithreading. for that, yup, you'll probably want to use a real-time operating system. for example, there's a guide on using ChibiOS on the Maple in the wiki:</p> <p><a href="http://wiki.leaflabs.com/index.php?title=Running_ChibiOS_on_the_Maple_r5" rel="nofollow">http://wiki.leaflabs.com/index.php?title=Running_ChibiOS_on_the_Maple_r5</a></p> <p>if you like FreeRTOS, we've received a pull request to merge FreeRTOS support into libmaple which should get merged into master any day now. if you're impatient and know how to use git, you can get it yourself:</p> <p><a href="https://github.com/leaflabs/libmaple/pull/19" rel="nofollow">https://github.com/leaflabs/libmaple/pull/19</a> </p> http://forums.leaflabs.com/topic.php?id=877#post-5398 Fri, 24 Jun 2011 13:04:41 +0000 robodude666 5398@http://forums.leaflabs.com/ <p>Where in the datasheet did you read about Multi-Threading support?</p> <p>The <code>setup()</code> function comes from Wiring's paradigms, not from multi-threading. When your sketch is compiled, the following main function is attached to your project:</p> <pre><code>int main(void) { setup(); while (1) { loop(); } return 0; }</code></pre> <p>As you can see, setup is called first, followed by loop endlessly.</p> <p>The closest thing you can get to multi-threading is a real time operating system like ChibiOS. </p> http://forums.leaflabs.com/topic.php?id=877#post-5397 Fri, 24 Jun 2011 12:50:58 +0000 infyrno917 5397@http://forums.leaflabs.com/ <p>If I recall from the STM32F103RB datasheet, the core supports threading. The Maple IDE's Arduino lang seems very similar to cpp (with a hole which I will point out). The function "setup()" is implemented as part of the initialization for Maple; however, at least on Linux the function "setup()" is part of creating a new thread with cpp.</p> <p>How would one go about creating multiple threads on the Maple through the Maple IDE? Did I miss something in the language library? </p>