fgets() call doesn&#39;t use uarthttps://devzone.nordicsemi.com/f/nordic-q-a/45573/fgets-call-doesn-t-use-uartAlthough redirect.c is included and printf() calls use the uart as expected, fgets() calls don&#39;t seem to be able to detect incoming characters. This isn&#39;t critical, since I just wrote a quick wrapper for the app_uart_get() function that does exactlyen-USTelligent Community 13Sun, 31 Mar 2019 15:32:18 GMTRE: fgets() call doesn't use uarthttps://devzone.nordicsemi.com/thread/179360?ContentTypeID=1Sun, 31 Mar 2019 15:32:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:155ddd30-99dd-4380-857d-7d272a85b83dNguyen Hoan Hoang<p>the f.. functions are for file stream. &nbsp;It is not guaranty that it is implement with __getchar __putchar.&nbsp;</p><div style="clear:both;"></div>RE: fgets() call doesn't use uarthttps://devzone.nordicsemi.com/thread/179359?ContentTypeID=1Sun, 31 Mar 2019 15:23:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6afb8489-f94b-4296-8ff0-c7a67c1c1f04msmithRT<p>That seems to be true, but why is that? Do the f.. functions not use __getchar and __putchar?</p> <p></p> <p>It&#39;s also kind of funny that gets() might work, when it&#39;s the crazy-unsafe version of the input call.</p><div style="clear:both;"></div>RE: fgets() call doesn't use uarthttps://devzone.nordicsemi.com/thread/179350?ContentTypeID=1Sun, 31 Mar 2019 01:31:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8b975f1-8820-4e86-bb98-c253d638715aNguyen Hoan Hoang<p>redirect.c is not full redirect it only replaces a few functions. gets() may work all the f.. stuff will not.</p> <p>proper implementation is here</p> <p><a href="https://github.com/I-SYST/EHAL/blob/master/src/stddev.c">https://github.com/I-SYST/EHAL/blob/master/src/stddev.c</a></p> <p><a href="https://github.com/I-SYST/EHAL/blob/master/src/uart_retarget.c">https://github.com/I-SYST/EHAL/blob/master/src/uart_retarget.c</a></p><div style="clear:both;"></div>