legOS : 4009


Robotics / RCX / legOS / 4009	4008 \| 4010

Subject:	Re: brickos 090 problem no program download with CONF_LNP_FAST
Newsgroups:	lugnet.robotics.rcx.legos
Date:	Wed, 30 Apr 2008 11:13:53 GMT
Viewed:	28159 times

> Hello Jochen > Solutions: > > 1)Try the old serial tower. Now i have success ! !) i made to directorys brickos-0.9.0_orig with //#ifdef CONF_LNP_FAST in /boot/config.h and util/dll-src/config.h and brickos-0.9.0_pat48 with #ifdef CONF_LNP_FAST in /boot/config.h and util/dll-src/config.h 2) compile all 3) download the 2 brickOS.srec file to 2 rcx's 4) using now the serial tower download a program with dll 2400 to rcx using the brickOS.srec 2400 sucess download a program with dll 4800 to rcx using the brickOS.srec 2400 no sucess download a program with dll 2400 to rcx using the brickOS.srec 4800 no sucess download a program with dll 4800 to rcx using the brickOS.srec 4800 no sucess interesting because i thing there must be a option to change the usb tower to 4800 baud but how ? > best regard > Bernhard

Message has 2 Replies:

		RE: brickos 090 problem no program download with CONF_LNP_FAST
You should scan for some old posts by either John Barnes or Philo concerning the different "IR transceiver" chips used between RCX 1.0 and 2.0 and between serial vs USB towers. As I recall: Serial tower can only transmit 38 KHz carrier. It's IR (...) (17 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)

		Re: brickos 090 problem no program download with CONF_LNP_FAST
Hello Bernhard, (...) I just checked the source code. There is no speed setting for usb tower in the code. If you look into firmdl3 you also find that fast mode is disabled for USB, because it doesn't work. I think the USB tower sends at 2400 baud (...) (17 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)

Message is in Reply To:

		Re: brickos 090 problem no program download with CONF_LNP_FAST
Hello Jochen At first i was astonished, that somebody is answering so fast, because in the last 2 years there is not much conversation here. (...) I am not completly shure about your question concerning standart HW. I use the USB Tower and the (...) (17 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)

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