Do you need an RTOS in your LPC2xxx system?

Started by "Pont, Michael J." in LPC200012 years ago 1 reply

In an earlier e-mail, I raised some questions about the general need for an RTOS in an embedded system (and argued that - for many designs - use...

In an earlier e-mail, I raised some questions about the general need for an RTOS in an embedded system (and argued that - for many designs - use of co-operative multi-tasking may *sometimes* be a better starting point). It was suggested that this wasn't an appropriate subject for debate on this list. Personally, I think this debate is important (not least because many people on this ...


ECOS

Started by duci750 in LPC200011 years ago 27 replies

Hi! I'am trying to find a good RTOS that can help me with a CAN based home automation project. I am trying to put some intelligence...

Hi! I'am trying to find a good RTOS that can help me with a CAN based home automation project. I am trying to put some intelligence into controlling the heating, air-conditioning etc. So far couple of Olimex LPC-H2294 header boards seem like good candidates. I'am a bit spoiled by the power of PCs and would like to get a feature rich RTOS that can handle networks etc. Also I would like to ...


Are there any web sites or books with examples on how to write RTOS for Cortex-M

Started by Mike in LPC20008 years ago 6 replies

I have searched the messages here for some but I can't seem to find what I am looking for. I am specifically looking for information pertaining...

I have searched the messages here for some but I can't seem to find what I am looking for. I am specifically looking for information pertaining to how to do the context switch. I am being confused by the EXEC_RETURN business and how to do the initial stack switch from MSP to PSP (I want to use thread mode with unprivileged access in my RTOS). If there are any concise examples out there on how...


RTOS for life support

Started by Marko Pavlin in LPC200013 years ago 7 replies

Hello! What options are available when certain level of life support is an issue? I am looking for RTOS for the device based on LPC2000 for...

Hello! What options are available when certain level of life support is an issue? I am looking for RTOS for the device based on LPC2000 for monitoring purposes. There is no direct life or death dependence on this device, but failure rate should be minimal. Thanks! M.


uEZ RTOS - new version available

Started by Marcel Salvioni in LPC200010 years ago 2 replies

Dear fellows, a new version of uEZ RTOS is available. It is an alternative for developers who have the LPC2478 Embedded Artists board and...

Dear fellows, a new version of uEZ RTOS is available. It is an alternative for developers who have the LPC2478 Embedded Artists board and want to use the Onboard LCD to check it out. The current versions of uEZ are compatible with other boards. It is free and some more information is available on the following website: http://www.ctpim.org.br/uez2.html Get to know more about CT-PIM ...


RTOS on LPC2136

Started by topandurangs in LPC200013 years ago

Hi all, I am using LPC2136.I have gone through Freertos site.At FreeRtos example is given with LPC2129.I am wish to use RTOS with...

Hi all, I am using LPC2136.I have gone through Freertos site.At FreeRtos example is given with LPC2129.I am wish to use RTOS with 2136 ,what procedure i should follow. Thanks in advance. Regards, Pandurang S. ------------------------ Yahoo! Groups Sponsor --------------------~--> Something is new at Yahoo! Groups. Check out the enhanced email design. http://us.click


Data abort inside RTOS os_get_first() method

Started by KM Shore in LPC200010 years ago

This is a copy of a thread on the Keil site - There never seemed to be any resolution. I now have the same headache and am looking for a...

This is a copy of a thread on the Keil site - There never seemed to be any resolution. I now have the same headache and am looking for a clue. This is with Keil's RL-ARM, various revisions. I am having a lot of pain trying to find out this problem. I am right now trying to understand why this happens inside the RTOS. It is caused when the ready task linked list os_rdy-> p_lnk-> p_lnk is assi


Porting an RTOS to Keil MCB 2130

Started by Joe Bungo in LPC200013 years ago 10 replies

Hello, I am a beginner to porting OS'. I want to port an RTOS to a Keil MCB2130 evaluation board, based on Philips LPC2138 (512 KB Flash,...

Hello, I am a beginner to porting OS'. I want to port an RTOS to a Keil MCB2130 evaluation board, based on Philips LPC2138 (512 KB Flash, 32 KB RAM) for academic purposes. I am looking at either uClinux or eCOS (or a better recommendation). Which do you think would be a more feasible task? I briefly took a look at the eCOS website, and saw that there might be an already existing port ...


Free RTOS Source code for LPC2129

Started by abhilash krishna in LPC200010 years ago 2 replies

Hi Friends, ??????????? I am new to this groups.I trying to learn RTOS program.So please help how to start to writting program for LPC2129.If u...

Hi Friends, ??????????? I am new to this groups.I trying to learn RTOS program.So please help how to start to writting program for LPC2129.If u have any source code please forward to this mail. ? ? Thaks & Regards T.R.Abhilash The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/


Open source uITRON 4.0 compatible RTOS

Started by misstero in LPC200015 years ago

Hi all, For awhile I have interested in uITRON compatible RTOS I found Opensource project name TOPPERS that develop both...

Hi all, For awhile I have interested in uITRON compatible RTOS I found Opensource project name TOPPERS that develop both Standard profile (JSP) and Fullset (FI4) uITRON 4.0 Specification. Additionally, They have extension to support TCP/IP stack (TINET) including IPv6.


Porting lpcusb to a rtos task

Started by Marko Panger in LPC200011 years ago 5 replies

Hi all, This post is oriented towards the 'lpcusb' project ad it probably should be posted on the project's mailing list, but I've seen many...

Hi all, This post is oriented towards the 'lpcusb' project ad it probably should be posted on the project's mailing list, but I've seen many post about lpcusb in this forum so I'm posting it here. Maybe others will be interested too. I'm trying to port the lpcusb stack to my custom RTOS (preliminary documentation available at http://www.smartec.si/smartx_doc/index.html). Main main ...


OLIMEX LPC L2294 (GNUARM, ECOS, RTOS) ??

Started by santosfilipe in LPC200013 years ago

Hello, I'm working on OLIMEX LPC-L2294, and have a few questions, and i ask for help! First question is, what do you think about of RTOS vs...

Hello, I'm working on OLIMEX LPC-L2294, and have a few questions, and i ask for help! First question is, what do you think about of RTOS vs ECOS? (I have instaled the pre-builted RedBOOT and it work, it reset's after some time) 2? There is somebody that have used the file olpcl2294-1.0.epk on ecos? (because I try to add att ecos and it remove on the end) tclsh $ECOS_REPOSITORY/ecosadm...


Embedded Programming & RTOS Tutorials

Started by spoli58 in LPC200010 years ago 3 replies

I just started a blog dedicated to Embedded Programming & RTOS Tutorials at http://polisoftdesign.com/blog. While the examples may look...

I just started a blog dedicated to Embedded Programming & RTOS Tutorials at http://polisoftdesign.com/blog. While the examples may look trivial for some, I'm sure others will find them useful. Few topics covered: - development tools - writing peripheral drivers - real-time operating systems - fast arithmetic - programming tips - coding standards and style Take a look and send me you...


error in RTOS with LPC 2148

Started by "pual.love" in LPC20009 years ago

hi i m working on RTOS with keil and i have error with it my code for scat file LR_IROM1 0x00000000 0x00080000 { ; load region...

hi i m working on RTOS with keil and i have error with it my code for scat file LR_IROM1 0x00000000 0x00080000 { ; load region size_region ER_IROM1 0x00000000 0x00080000 { ; load address = execution address *.o (RESET, +First) *(InRoot$$Sections) .ANY (+RO) } RW_IRAM1 0x40000000 0x00008000 { ; RW data .ANY (+RW +ZI) } } this is the error which i have...


RTOS task task adjustment

Started by in LPC200011 years ago 2 replies

Hello, I am having a lot of pain adjusting some RTOS task stacks. The=20 RealView Peripheral-> RTX Kernel only shows the current stack load...

Hello, I am having a lot of pain adjusting some RTOS task stacks. The=20 RealView Peripheral-> RTX Kernel only shows the current stack load and=20 not the maximum usage. Is there any way to obtain the stack maximum=20 usage per stack? I have also notice that the sprintf() function seems=20 to use a huge amount of stack memory. Does anyone here have noticed=20 this? Thanks in advance, An


Open source TCP/IP stack / RTOS for LPC2138

Started by householder_lpc in LPC200014 years ago 1 reply

I'm trying to build a control platform using a LPC2138 processor. Is there any open source TCP/IP stack and RTOS available which can be used?...

I'm trying to build a control platform using a LPC2138 processor. Is there any open source TCP/IP stack and RTOS available which can be used? I came across FreeRTOS, which seems interesting. Does anyone have any experiences with this? Is it a decent OS? Thanks for all possible info.


RTEMS RTOS on LPC2xxx

Started by Jean-Sebastien Stoezel in LPC200011 years ago

Hi, I started this thread http://forum.sparkfun.com/viewtopic.php?p=63604#63604 on the sparkfun forum and Leon mention there was some...

Hi, I started this thread http://forum.sparkfun.com/viewtopic.php?p=63604#63604 on the sparkfun forum and Leon mention there was some knowledge about RTEMS on this list. There is a port available for this RTOS for the LPC22xx family. The port mentions it could also be ported to the LPC21xx family. Is anybody knowledgeable with running RTEMS on LPC2xxx devices? I am very inter...


Need help to identify the reason of a sys_exit () call

Started by in LPC200011 years ago

Hello, =20 Can anyone here help to identify the cause of a sys_exit() function call by= the RTOS? =20 My device uses a LPC2366 ARM. The IDE...

Hello, =20 Can anyone here help to identify the cause of a sys_exit() function call by= the RTOS? =20 My device uses a LPC2366 ARM. The IDE is the RV3 MDK 3.22a, RTOS is RL-ARM= =20 Real-Time Library Version V3.22a =20 The call stack is: =20 Callee caller 000: \Retarget\_sys_exit 0x000282BE 001: 0x000282BE 0x0002861E 002: 0x0002861E ...


ready to use TCP/IP project for IAR 4.x(LPC2000)

Started by naderus2000 in LPC200012 years ago 11 replies

Hi, Is anyone here have a ready to use TCP/IP project for IAR 4.x(LPC2000)? I don't want to use any RTOS. I hear something about PowerPack...

Hi, Is anyone here have a ready to use TCP/IP project for IAR 4.x(LPC2000)? I don't want to use any RTOS. I hear something about PowerPack TCP/IP Stack but it isn't ready yet and may be RTOS depended. Thanks.


IAP

Started by a_storic in LPC200013 years ago 1 reply

Is it possible to program the LPC2129 micro for RTOS operation and then reprogram a task within the micro RTOS for a new function. IE program...

Is it possible to program the LPC2129 micro for RTOS operation and then reprogram a task within the micro RTOS for a new function. IE program the micro to be a particular function type (set the input and output pins, comms Ethernet, CAN, the number of task(program parameters for how the input and output will function) and then with the IAP program task with the program. having alloca...