 | | Re: undefined reference to `___ucmpsi2'
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Hi, The problem is that wakeup_t is an unsigned long, and in order to save space, the switch statement is optimized to call a library comparator, ucmpsi2. Since the argument to ds_scale is an unsigned int, the argument to LIGHT should also be an (...) (24 years ago, 18-Jan-01, to lugnet.robotics.rcx.legos)
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| | undefined reference to `___ucmpsi2'
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I get this error when linking if I have the following in my source code in a wait_event function: #define THRESHOLD (unsigned short)50 static wakeup_t light_found(wakeup_t sens_num) { switch (sens_num) { case 2: return (LIGHT(SENSOR_2) > THRESHOLD); (...) (24 years ago, 18-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: pass by refrence or value?
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Did you care to declare your global variable as volatile? this (normaly) prevent the compiler to optimize memory access and force it to read the actual value of the variable each time it need it ( instead of localy storing it in a register wich will (...) (24 years ago, 18-Jan-01, to lugnet.robotics.rcx.legos)
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| | c++ changes
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After some prompting, I have made the method names in the c++ classes uniform in case. Unfortunately, the changes are not backward compatible. Please let me know of any problems you discover. If I don't hear of any problems, I'll check in the (...) (24 years ago, 18-Jan-01, to lugnet.robotics.rcx.legos)
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| | util/dll-src makefile patch
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Hi, Here is a set of patches for util/dll-src/Makefile against the current cvs version. The first patch avoids the need of a symbolic link to lnp.c under unix. Can somebody please let me know if it works under windows. The other patches are for (...) (24 years ago, 18-Jan-01, to lugnet.robotics.rcx.legos)
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| | pass by refrence or value?
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Hi all, i have a slight problem with legosv0.2.5 . The program code on the rcx is set up so that there is serverall callback methods which get called when a message comes in on the particular port for that object or class. These callback methods set (...) (24 years ago, 18-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: LegOS 0.2.5 and LNP
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(...) Btw. README is (...) Ooops... :-) Changed to 0.2.5 version inside. (...) transport (...) packets of (...) mainly as way for (...) collisions, lost (...) which works as (...) write code to (...) To cut time (...) code that (...) directives (...) (24 years ago, 17-Jan-01, to lugnet.robotics.rcx.legos)
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| | LegOS 0.2.5 and LNP
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Yesterday I downloaded legOS 0.2.5 and peeked at the code. Btw. README is not up to date. For last two month I was working with a friend of mine on a transport protocol implemented on top of LNP for the transmission of packets of unlimited size and (...) (24 years ago, 17-Jan-01, to lugnet.robotics.rcx.legos)
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| | legOS lcd management and thoughts on velocities
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Hello! I' am french, from Paris ( a way to say: excuse my english... or feel free to correct it!). Few weeks ago I download legOS (v2.5), and I made my first step with it. First all I wish to thank all people involved in this project. This OS is (...) (24 years ago, 16-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: LEGO remote and LNP (legOS 0.2.4)
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(...) My patch changes both, dll and the legOS kernel, to operate with odd parity. Did you both, reinstall the new kernel and use the new dll afterwards? You should also change the lnp daemon to odd parity if you are using it, I don't use it. (...) (...) (24 years ago, 15-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Redhat 7 and legOS
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Just following up my own message. I have just tried the instructions with kgcc in redhat 7. It fails with exactly the same problem. All binutils and egcs compiled normally with kgcc except for the one error specified in the HOWTO. Mike Ruelle (...) (24 years ago, 15-Jan-01, to lugnet.robotics.rcx.legos)
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| | Redhat 7 and legOS
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I have gone through the HowTo setup legOS. The only problem I have had is that none of the demo code projects can compile. They all fail with [demo]# make /usr/local/crossgcc/...hi-hms-gcc -O2 -fno-builtin -fomit-frame-pointer -Wall (...) (24 years ago, 14-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: LNP Help
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(...) Is there some reason you're not using liblnp? It will take care of all this junk for you and you just have to give it the data. (24 years ago, 14-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Automatic switch
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(...) 0.2.5 includes the idle timeout code. After 15 minutes of no activity (program isn't running, no buttons pushed) it will turn itself off. I added this feature when I woke up to discover I left the RCX on overnight for the third time. You can (...) (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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| | Re: Automatic switch
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Yes, but I don't know the API off the top of my head and I'm in a line outside right now so I can't look it up. It should be in the HOWTO, but if you can't find it, please write again later today and I'll find it. Luis (...) ---...--- "Nobody ever (...) (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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| | LNP Help
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Hey, I am trying to get my computer to talk to 2 rcxs. I have the program and when I send ir messages to the RCX loaded with LegOS, it shows the IR port on. However I do not understand what the packets should look like with the intergrity layer. (...) (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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| | LNP in Java 2
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I realized that the way the listing appears on the mail is far to be perfect. So here is an URL when you can download the files from : (URL) ! (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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| | Automatic switch
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Is there any API for switching off the rcx, either immediately or after a givent period of inactivity (i.e a watchdog) ? (already used many batteries by forgetting to switch it off...). Thanx ! (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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| | LNP in Java
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Hi there, Few weeks ago, someone's asked if there were any Java handler for LNP. Here we are ! There is one now. Including with this mail is the Java listing. What to do 1) download the JVM 2) download java communication API from Sun (lets you drive (...) (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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| | Remote control (again)
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Hi all The following message (URL) a possible solution to the remote control problem, by "ignoring framing errors". I'm just wondering how this can be accomplished. Does anyone here know? Thanks ROSCO (24 years ago, 13-Jan-01, to lugnet.robotics.rcx.legos)
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