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 | | Re: BrickOS Assembler
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| (...) Volatile tells the compiler that should assume the value can change without the compiler's knowledge. So yes, it gets reloaded every time. (...) To find this stuff, you need to read through documentation for GCC. It has been a few years since (...) (21 years ago, 21-Jan-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.230)
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| | Re: Sensor Power
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| (...) Take a look at the functions ds_power_on() & ds_power_off() as defined in the dsensor.c kernel file. When you've set the sensor to passive mode, you should be able to manipulate the sensor power bits using these functions[1] or just use the (...) (21 years ago, 6-Jan-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.229)
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brickos
(score: 1.229)
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| | Re: BricxCC release 3.3.7.6
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| (...) You are welcome! I'm glad you were able to get the pre-built tools installed and working. The brickOS root that BricxCC had configured on your system was a result of having a previous installation of BricxCC where I had used that path as the (...) (21 years ago, 15-Jan-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.228)
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| | BrickOS: No rule to make target
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| Hi, I'm trying to build the BrickOS demo programs on windows98. I have gcc v3.2 and make v3.8 installed from cygwin. make clean and make realclean work but when I try to just do a make, the .depend files get built in both the demo directory and in (...) (21 years ago, 12-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.228)
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| | cannot install brickOS
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| Hi, When I'm trying to install the Hitachi H8 cross compiler (on win2000), I have some errors during the installation like : sys/types.h: No such file or directory But at the end it says : GCC install end Done. :---...--- End Wed Feb 25 14:05:50 (...) (21 years ago, 25-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.228)
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brickos
(score: 1.228)
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brickos
(score: 1.228)
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brickos
(score: 1.227)
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| | Re: BrickOS: No rule to make target
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| (...) Try to substitute the line PROGRAMS=helloworld.lx rover.lx linetrack.lx robots.lx c++.lx sound.lx by this one PROGRAMS= and then "make helloworld.lx" I had also to modify the line in Makefile.common (included by the demo Makefile) which sets (...) (21 years ago, 12-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.226)
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| | Cannot receive with LNP.
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| Hi list! my name is Gerard and I'm working with BrickOS over the lego mindstorms. My problem with LNP is that it seems not to be receiving anything. After having installed the handlers on both sides (pc and rcx) no one seems to receive anything. On (...) (21 years ago, 30-Jan-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.226)
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| | How does?
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| Hi, How does the lnp_integrity_byte function ever get invoked? I see it defined in kernel/lnp.c, and I see it referenced in boot/brickOS.lvs. Is there some magic to the number 0x9419 (0x8000+0x1414)? Is the ROM receiving a byte and then calling this (...) (21 years ago, 3-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.225)
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brickos
(score: 1.225)
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brickos
(score: 1.225)
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| | Solved my problem with lnpd
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| Hi, I've solved my problem that RCX didn't receive correctly from tower. I've posted the patch at the brickos project site at sourceforge. (URL) it doesn't work try: (URL) and click on the link " View and post Patches at brickOS project site" (...) (21 years ago, 18-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.224)
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| | Re: brickOS & Cygwin with BricxCC
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| Hi, I've again found a way to solve this problem: Sometimes you have to replace the OS root "\brickos" with "c:\cygwin\brickos". Sometimes it works just with "\brickos". I don't know why. Franz Steinmetz www.roboshow.de franzsteinmetz@roboshow.de (20 years ago, 12-Apr-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.223)
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| | Re: Spurious bad readings from sensors
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| (...) Because of the way BrickOS uses interrupts to handle active sensors, it's possible for sensors to be deprived of power for 300us or more, though typically the interval is only 30us or so. This is due to long interrupt latencies in BrickOS that (...) (21 years ago, 25-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.223)
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brickos
(score: 1.222)
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| | Spurious bad readings from sensors
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| Hi, I instrumented Steve Hassenplug's legway code so that after it falls over it can dump sensor data and motor control valiables out to a PC. One of the things I noticed in this process is that aperiodically, the sensor inputs give a sensor reading (...) (21 years ago, 25-Feb-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.221)
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brickos
(score: 1.221)
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