https://devzone.nordicsemi.com/f/nordic-q-a/35126/how-to-count-no-of-elements-in-an-atomic_fifoHi, I&#39;m using Atomic_FIFO library and for my application I need to know the number of elements currently in the fifo, the library itself doesn&#39;t provide any functionality that tells the fifo size so I made some changes to it. I added following two linesen-USTelligent Community 13Fri, 08 Jun 2018 05:48:00 GMThttps://devzone.nordicsemi.com/thread/135281?ContentTypeID=1Fri, 08 Jun 2018 05:48:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:02c7931a-b276-4867-bdef-5044c27d4ce3Salman Azmat<p>Hi,</p> <p>The buffer size tells the total buffer size allocated for fifo, so I think I&#39;ll have to keep an array for fifo_size.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/135076?ContentTypeID=1Thu, 07 Jun 2018 07:59:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dcbd19e2-0f3f-4ebb-9cfd-98f155ea4cecJ&#248;rgen Holmefjord<p>Hi,</p> <p>You should be able to get the available size from the FIFO object,&nbsp;<a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk5.v15.0.0/group__nrf__atfifo.html#gad621f8aba0ef06539ad40f6959cb4aed">nrf_atfifo_t</a>. This object contain buffer size, item size, head and tail position for read and write.</p> <p>If you are not able to utilize this, you will have to create an array that can hold the size for each available FIFO, and update the size value for the corresponding FIFO object.</p> <p>Best regards,<br />Jørgen</p><div style="clear:both;"></div>