http://forums.leaflabs.com/topic.php?id=1183 A place to share, learn, and grow... en-US Fri, 22 Jan 2016 00:18:24 +0000 http://bbpress.org/?v=1.0.2 q http://forums.leaflabs.com/search.php http://forums.leaflabs.com/topic.php?id=1183#post-7243 Fri, 25 Nov 2011 09:55:03 +0000 Xavier 7243@http://forums.leaflabs.com/ <p>Update :<br /> Regarding the I2C instability of 0.0.11 i copied from v0.0.12 the "dispatch" modification of file timer.c and now i can read thousands of times in a row my data from the EEPROM.<br /> Seems like "timer compare irq" and i2c_transfer does not work well together in 0.0.11.</p> <p>I still have no idea why Serial3.print(char) is slower in v0.0.12. But i don't need 0.0.12 anymore.</p> <p>Cheers,</p> <p>Xavier </p> http://forums.leaflabs.com/topic.php?id=1183#post-7219 Tue, 22 Nov 2011 17:42:14 +0000 Xavier 7219@http://forums.leaflabs.com/ <p>Hello,</p> <p>I'm trying to switch from 0.0.11 to 0.0.12 for my sound module because it seems to have a more stable i2c to communicate with 24lc512 EEPROM. </p> <p>Everything compiles fine after modifying a few usb names in the link process.</p> <p>But Serial3.print(char) (used to transmit midi information) seems to be much slower...<br /> I really get audio dropout each time a call it... Everything is fine when i shortcut these calls. And it worked perfectly with 0.0.11.</p> <p>I use Serial3 which is initialized using :<br /> Serial3.begin(31250);</p> <p>Any change that could have cause this ?</p> <p>Thanks,</p> <p>Xaiver </p>