Operating System is Linux with 2.0.35 kernel. It currently needs a shutdown because the HD gets mounted read-write in order to be able to save the playlists. If the HD were to be mounted read-only, then no shutdown would be required.
About this software ------------------- This software is used with my "MP3-O-Phono" (C) hardware, a linux based player, without monitor or keyboard. It has a Matrix Orbital 20x4 LCD and 9 buttons to the front. It boots from a small HD, and has a CDROM for reading MP3 songs. The buttons are connected to the keyboard socket of the motherboard through a chip taken by a dissasembled keyboard, so the input comes from stdin! This is much cheaper in money and time than connecting a serial or parallel keypad. BEFORE COMPILING ---------------- Edit file rxcontrol.h to make appropriate changes to the paths. Remember that playlists are saved like "playlist-%d" in the PLDIR directory where %d is the number of files in PLDIR + 1 Also note that setting 'kbdrate -r 30' allows a fast seek, and 'kbdrate -r 10' allows a realative fast seek but you can also listen to the song as it seeks (tested on a Pentium-133). INSTALLNG --------- Before com You may start rxcontrol from init. Just add something like the following in /etc/inittab: rx:234:respawn:/home/sivann/develop/rxcontrol/rxcontrol Make sure that you have commented out the getty to virtual console 5 if rxcontrol is compiled with -DCHVT Song name format ---------------- Song must be in the following format: "artist - song name.mp3" or "artist - song name - other info.mp3" `other info' is not displayed on the LCD. The spaces before and after the '-' are optional. General Operation ----------------- There are 3 states: -normal -file selection -playlist editing when the program starts and when it plays a song it is in the normal state For the hardware version, keyboard keys will be connected to buttons. All keys are the default keys defined in rxkeys.h * * For the hardware implementation I have done, only keys marked with '*' are * needed and used. Capital letters are implemented through the button* so you press a combination of 2 buttons. It has the label 'All' which means * for example that if 'v' (the stop button) erases the current entry, 'V' * erases all the entries, e.t.c. * Commands in normal mode ------------------------ Just type in the corresponding letter f: enter file selection mode p: enter playlist editing mode l: browse through pre-compiled playlists *u: load a menu capable of loading the previous 3 functions plus a linux shutdown option Playing commands r: toggle repeat flag c: pause *x: play/restart *v: stop *[: seek left / Scroll LCD left *]: seek right / Scroll LCD right *z: previous track / Go up in list browsing *b: next track / Go down in list browsing right arrow: seek right left arrow: seek left Other commands m: mute (don't press it, dont' know how to de-mute !) ,: volume down (or arrow up) .: volume up (or arrow down) q: quit program Commands in file selection mode -------------------------------- Just type in the corresponding letter *]: scroll display right *[: scroll display left *z: go up *b: go down *x: select current file *r: make a random selection from all files in this directory X: select all files in this directory V: clear playlist *u: go back to normal mode Commands in playlist editing mode ---------------------------------- Just type in the corresponding letter *]: scroll display right *[: scroll display left *z: go up *b: go down *v: remove current entry from playlist *V: clear playlist *X: save playlist (to #PLDIR) *u: go back to normal mode Commands in playlist editing mode ---------------------------------- Just type in the corresponding letter v: delete playlist from disk [enter]: load current playlist Also NOTE: ---------- 1.after pressing one of : stop/edit-playlist/file-browser , the playlist doesn't restart from file #1, but only if stop pressed twice (i.e. pressed when already stopped) so you can continue listening from the current song by pressing "play" and not from the beggining. BUGS ---- None found before each release.If you find any please mail it to me. The 'none found' goes to rxcontrol, NOT to rxaudio. Rxaudio has MANY bugs which cause rxcontrol to fail sometimes. I've never seen any fatal ones of them to my PC but the've been reported to me. Mail those to xaudio@mpegtv.com please.