|
 | | Re: Ir transmission
|
| (...) The bytecode interpreter does it, which is what NQC maps to (opcode 43). I'd prefer a timer (or access to a clock) with millisecond resolution rather than a delay because things will get interesting whan multitasking. What is the CPU clock (...) (25 years ago, 16-Apr-99, to lugnet.robotics.rcx.pbforth)
| |
|  
ir
(score: 1.892)
|
|
| | Re: Ir transmission
|
| (...) Well, in the spirit of FORTH there should be no finite number, just create and destroy them on the fly as and whan you need them. I have been wandering around the internet looking and found that hForth has one already: \ hForth multitasker \ \ (...) (25 years ago, 17-Apr-99, to lugnet.robotics.rcx.pbforth)
| |
|
ir
(score: 1.892)
|
|
| | Re: IR download broken
|
| (...) The remote only works when the Firmware has been downloaded. Remove the batteries and download the firmware. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: IR download broken
|
| (...) Yep, that was it thanks. How come it forgot the firmware? And how come the programs stored on it were still working? Very strange. Matt (24 years ago, 16-Nov-00, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: IR download broken
|
| (...) The RCX has 5 programs built into the system when there is no firmware... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: IR download broken
|
| So what causes it to 'forget' the firmware. Doesn't it store it in Flash memory? Or does it require batteries to be installed all the time? Matt (24 years ago, 16-Nov-00, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: IR download broken
|
| (...) It requires batteries to be in it all the time. you get 60 seconds with it off and the batteries out. An easy way to tell is that it has 0000 when you turn it on with firmware and only the little man when it doesn't. Dean -- Coin-Op's For (...) (24 years ago, 16-Nov-00, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: Running IR in the background
|
| (...) Huge coincidence that your message should be the first I see after not having read the newsgroup for almost a year. No, as far as I can remember I never got an answer. I am using mindstorms for my final project after not having a chance to (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
| |
|
ir
(score: 1.892)
|
|
| | Re: Running IR in the background
|
| (...) Congratulations! Could you post your source code here, to compare with the solution that we previously submitted to an almost identical question? We use an active light sensor reading in one taks, with a different task bangin zeroes using (...) (24 years ago, 28-Mar-01, to lugnet.robotics.rcx.legos)
| |
|
ir
(score: 1.892)
|
|
| | Re: RCX IR protocol
|
| On the page (URL) look under the description of his send command and you'll see he sends a query "10" (hex) and gets a response "ef". This value, 0xEF, is the logical not (modulus 0xFF) of the query value 0x10. The tilde means "not". Dennis (...) (23 years ago, 3-Sep-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: RCX IR protocol
|
| (...) Take a look at (URL) (...) 55 ff 00 (...) complement, i.e. invert every bit separately. So for example ~f7=~11110111=00001000=10. (...) Good luck and show it to us when you are done Jürgen (23 years ago, 4-Sep-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: RCX IR protocol
|
| Hi, Juergen has done a small mistake in his example. (...) Better it should be ~f7=~11110111=00001000=08. If you want to get a little bit of math you may add every number to its complement and you will always get ff for the result. If we take (...) (23 years ago, 4-Sep-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: GP2D12 IR sensor RCX active sensor interface?
|
| (...) Hi Gareth, i build a interface (mutiplexer) using one input for three (ore more with little changes) sharp GP2D12 and a 9V battery. (Actually Michael Gasperi builds it !!!! I only made some changes !!!!) Have a look at : (2 URLs) more general) (...) (23 years ago, 8-Oct-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: GP2D12 IR sensor RCX active sensor interface?
|
| (...) Hi Gareth, I guess the three wire solution won't work. (Not tested it myself) The Sharp GP2D12 have a current consumption of about 35mA-50 mA (at 5V) !!!! Michael Gasperi mentioned that an input of the RCX only give about 15mA. ((URL) techno (...) (23 years ago, 8-Oct-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: GP2D12 IR sensor RCX active sensor interface?
|
| (...) Hi Gareth, maybe you don't need an external regulator ?!?! But, the specs also say that rating of supply voltage is "-0.3 to +7V". Do you know what happens to the sharp if supply voltage rises above +7V ??? (the mux has a supply voltage of +9V (...) (23 years ago, 9-Oct-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: GP2D12 IR sensor RCX active sensor interface?
|
| Hi all, It seems I missed this thread... (...) As suggested by Rainer, if you use an external battery everything is much simpler, you could even use a 4.5V battery to avoid regulator. (...) I don't think you can improve this circuit with a simple (...) (23 years ago, 10-Oct-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | RE: Using IR Remote within pbFORTH
|
| (...) If Caldera OpenDos supports QBASIC, then there is a program out there. I'll email it to you separately. (...) This can be awkward, because pbForth is expecting communications at 2400,n,8,1 while the remote is at 2400,o,8,1 You can call a (...) (23 years ago, 2-Nov-01, to lugnet.robotics.rcx.pbforth)
| |
|
ir
(score: 1.892)
|
|
| | Re: IR remote control codes.
|
| (...) What exactly do you want to know about this opcode? I have the full documentation in the form of the firmware disassembly... and it is online. See address 9700 of the disassembly at: (URL) you can't find it, search for "d2 opcode handler". I (...) (23 years ago, 6-Nov-01, to lugnet.robotics.rcx)
| |
|
ir
(score: 1.892)
|
|
| | Re: Lego IR Remote - What is max send rate?
|
| (...) I am not exactly sure, but you might consider using a vector in the robot so if a key is missed it continue on the same vector. In order to accomplish this you would need to have messages for keypresses and keyreleases. So if the robot does (...) (22 years ago, 27-Apr-02, to lugnet.robotics.rcx.legos)
| |
|
ir
(score: 1.892)
|
|
| | Re: Lego IR Remote - What is max send rate?
|
| Stephen - I've recently taken a couple of patch postings to legos.sourceforge.net by Ross Crawford and Zhengrong Zang and have come up with a hybrd solution (on 0.2.6) to implement the remote control. I am quite happy with the results. The original (...) (22 years ago, 29-Apr-02, to lugnet.robotics.rcx.legos)
| |
|
ir
(score: 1.892)
|
