.\" Generated by scdoc 1.11.2 .\" Complete documentation for this program is not available as a GNU info page .ie \n(.g .ds Aq \(aq .el .ds Aq ' .nh .ad l .\" Begin generated content: .TH "fwflash" "1" "2024-01-07" .P .SH NAME .P fwflash - flash firmware image to a connected NXT device .P .SH SYNOPSIS .P \fBfwflash\fR \fIfile\fR .P .SH DESCRIPTION .P The \fBfwflash\fR utility takes a firmware image file and sends it to a connected NXT device through USB.\& It takes only one parameter which is the firmware file to send.\& This file usually has the .\&bin or .\&rfw extension and a size of 262144 octets.\& .P Connect the NXT using a USB cable.\& Make sure it is detected by the computer when powered on.\& If you run \fBfwflash\fR now, it should report that the NXT is found, but not running in reset mode.\& .P \fBThe next step will erase the current firmware image!\&\fR .P Press and hold, for at least five seconds, the reset button which is hidden in the pin hole under the USB port.\& The brick should make a clicking noise and be detected by the computer in SAM-BA mode.\& .P You can then use \fBfwflash\fR to send the firmware.\& After a few seconds, it should announce successful flashing.\& .P In case of problem, check your USB cable, and your device permissions.\& .P The \fBfwflash\fR utility is part of LibNXT.\& .P .SH SEE ALSO .P \fBfwexec\fR(1) .P .SH AUTHOR .P Maintained by Nicolas Schodet .\& .P Originally written by David Anderson .\&