https://devzone.nordicsemi.com/f/nordic-q-a/8594/how-to-enable-and-disable-peripheral-like-twi-to-save-powerNow with the twi_hw_master.c with softdevice, I enable the twi on the start of twi_master_transfer and disable it at the end of twi_master_transfer, but I found the twi can not transfer data correctly sometime.en-USTelligent Community 13Fri, 07 Aug 2015 10:51:15 GMThttps://devzone.nordicsemi.com/thread/31449?ContentTypeID=1Fri, 07 Aug 2015 10:51:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:05783474-d3e8-422e-ad69-453b58dccd21Hung Bui<p>@cgha: Could you point to the github project you used that you get the twi_hw_master.c ? Have you tried the newer SDK ? Do you also use softdevice when testing TWI ?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/31448?ContentTypeID=1Fri, 07 Aug 2015 03:33:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:36dbdb74-27f3-4b4e-87fd-03792b39331ccgha<p>I&#39;m using G version 51822 and using twi_hw_master.c from twi-display-5.1.0.c from github. Seems write correct but read sometime fail.</p><div style="clear:both;"></div>