https://devzone.nordicsemi.com/f/nordic-q-a/27991/printf-floats-in-nrf52832Hello, I&#39;ve gone through the other posts regarding printf() with floats ( devzone.nordicsemi.com/.../) and I still can&#39;t seem to get float to print. Currently, printf() of floats prints a blank. I&#39;ve declared in system_nrf52.c &quot;#define __FPU_USEDen-USTelligent Community 13Thu, 07 Dec 2017 02:27:42 GMThttps://devzone.nordicsemi.com/thread/110403?ContentTypeID=1Thu, 07 Dec 2017 02:27:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a62be3be-ac86-4a34-a1c4-f91c3a5341dcNguyen Hoan Hoang<p>Try with regular newlib. I just remember some version of nano does not support it. It&#39;s been a while I don&#39;t remember exactly which</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/110402?ContentTypeID=1Wed, 06 Dec 2017 22:17:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9c83ba72-5de9-43ed-9568-0e878b01cf6cSami<p>Thank Nguyen, I did that and still no luck. Yes I&#39;m using &quot;newlib-nano&quot;. Here is a snippet of my commands from the Makefile:</p> <p>LDFLAGS += --specs=nano.specs -lc -lnosys</p> <p>LDFLAGS += -u _printf_float</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/110401?ContentTypeID=1Wed, 06 Dec 2017 21:26:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9a8b3a51-f544-43e5-904c-2e6b15ed4478Nguyen Hoan Hoang<p>If you are using newlib-nano, you need to enable printf with float support link the linker setting with flag <code>-u _printf_float</code></p><div style="clear:both;"></div>