Messages

46

NXP^TM LPC2XXX and LPC17XX / Re: LPC17XX Preliminary Information

« on: January 24, 2010, 10:21:27 PM »

Hi Mark,

Eventually I'd be interested in both USB device & USB host support (the LPC24xx have two USB interfaces and we are currently configuring one as s device and one as a hos, though as far as I know the LPC17xx only have a single USB interface).

There are some useful examples on the NXP site to help you get the USB working in host mode though the documentation could be a bit more helpful at times. It's allowed us to verify that our hardware for USB Host works ok (for connecting to USB per drives for example) which is a good start.

Later on we may even need to add HID support (keyboard / mouse) but there's no timescale for this yet.

I'm not asking for faster development on either device or host for the LPC family, just any idea of when you're planning to roll it out ;-)

I'm interested in many of your other future developments as well, so I don't want to upset those!

Let me know if I can help you with the USB host in some way!

Cheers,
    Jez

47

utFAT / Re: CF card support

« on: January 23, 2010, 10:43:21 PM »

Hi,

I'd be very interested if you (and any other contributors) would be prepared to share some of your experience with porting uTasker to the Freescale 5282 processor (or others) - we've an existing design using this processor which would benefit greatly from uTasker being available!

I know this isn't directly relevant to this thread, but is there scope within this forum for people to identify which processors they have ported to?

One of the most refreshing (and valuable) things about this software is the excellent support offered by Mark and the forum contributors - along with the great value and continual improvements, of course!

Just hoping to be able to widen the use of uTasker within our company!   

Cheers,
    JezC

48

NXP^TM LPC2XXX and LPC17XX / Re: LPC17XX Preliminary Information

« on: January 23, 2010, 10:24:54 PM »

Hi Mark,

I'll be very interested to get up and running with these devices - not least with the planned release of the upgrade for the LPC24xx family (including 2478) for the middle of this year!

Is there any plan in the near future to add/exterd the USB support for these or the LPC2xxx ports?

Any more info you're prepared to release will be most welcome on this :-)

Cheers,
    JezC

49

NXP^TM LPC2XXX and LPC17XX / Software reset of LPC2478

« on: December 02, 2009, 10:08:41 PM »

Hi,

I'm looking for a way to perform as complete a reset of the LPC2478 through software as I can.

Our hardware currently doesn't include any way for the processor GPIO pins to force an actual hardware reset so I'm hoping there's a way to achieve basically the same result using just software.

On other processors (e.g. Coldfire), there's a reset register which includes the ability to perform a software reset of the whole device - but I can't see anything similar for this processor.

Can anyone offer any suggestions please?

Thanks in advance

Jez

50

NXP^TM LPC2XXX and LPC17XX / Re: Battery back-up and RTC

« on: November 10, 2009, 01:51:54 PM »

Hi Mark,

We've had to use an external I2C RTC solution for our design as well - the LPC2478 has a similarly high backup current to the LPC23xx.

The newer LPC17xx and LPC13xx families (using the Cortex M3 core but the same/very similar peripherals) have much better RTC backup currents (I think it's targetted at less than 1uA for RTC plus 20 bytes of battery backed RAM for the LPC17xx).

I'll be very interested to hear more about this when you've got it ready.

Cheers,
    JezC

51

MODBUS / Re: MODBUS simulation/testing on PC

« on: October 04, 2009, 09:11:43 PM »

Hi Mark,

Brilliant - I'd got the serial port setup wrong, reverting back to the original settings and re-configuring COM0COM to suit has done the trick!

I can now see both the MODBUS queries and responses in Wireshark - great!

Thanks - feel a bit daft for not sorting this out for myself.

Cheers,
    JezC

52

MODBUS / Re: MODBUS simulation/testing on PC

« on: October 03, 2009, 07:52:14 PM »

Hi Mark,

I've been trying to run the standard modbus_app.c in the simulator as a starting point (using the LP23xx project configured for Olimex LPC2478 dev board).

I've installed COM0COM (as my laptop doesn't have any real serial ports) as well as Wireshark, and I can see the MODBUS packets on the Ethernet connection in Wireshark but so far I've not managed to see these being forwarded onto the serial port or any responses to these packets.

Can you please suggest what steps I've missed out? I'm sure it's something basic (probably with the serial ports & COM0COM) that I've (not) done.

Any help will be most welcome!

Cheers,
    JezC

53

µTasker general / Re: Using uTasker to create a serial to Ethernet conveter

« on: September 01, 2009, 10:37:11 PM »

Hi Martin,

Did you get a chance to follow this up yet?

We're looking to enhance our products by providing serial to Ethernet interfaces (as the majority of serial over USB products don't appear to properly support all the hand-shaking signals for modem operation) and so would be most interested if there's an efficient way to do this with uTasker.

We've seen several commercial modules that can offer this facility but their price has been too high for our customers so we're looking to develop our own solution.

If there's someone out there who already has a solution for this, is there any chance to get in touch to discuss it further?

Cheers,
    Jez

54

MODBUS / Re: MODBUS simulation/testing on PC

« on: September 01, 2009, 10:24:32 PM »

Hi Mark & Martin,

Many thanks to you both for such complete and helpful responses!

It certainly sounds like there's plenty of options for us to use to validate/test the MODBUS over IP operation - I guess the first step is to get the licenses sorted so that we can test the capability on a dev kit for ourselves!

I can hardly wait to sort this out and see how well it works for our applications!

Thanks to you both once again - the support puts many commercial products to shame!

Cheers,
    JezC

55

MODBUS / MODBUS simulation/testing on PC

« on: September 01, 2009, 03:39:10 PM »

Hi Mark,

Following some comments made by some of your many satisfied customers/users, I was wondering how much of the MODBUS capability was supported on the simulator?

We currently support a subset of the commands for MODBUS RTU over serial line and we're interested in widening this to include MODBUS over IP.

The next question for us is how then to test the additional capability - we have software to independently verify our MODBUS RTU over serial line support but I'm wondering how much need we would have for this for MODBUS over IP?

Basically I guess I'm asking how we can go beyond using the simulation on the PC for testing?
Could we for instance use some of the code in the simulation as the basis for our own MODBUS over IP test software on the PC? Or would we really need to buy some other software to cover this? If so, do you have any recommendations we could follow?

Cheers,
    JezC

56

NXP^TM M522XX, KINETIS and i.MX RT / Re: uTasker V1.4 for M522XX now available

« on: August 10, 2009, 10:13:02 AM »

Hi Mark,

I've got the information now - many thanks for sorting that out!

Looking forward to trying out the new additions!

Cheers,
    Jez

PS - When do you think you'll be looking to add support for the MCF51CN (V1 ColdFire core with Ethernet)? I've just got my hands on the tower system for one of these ;-)

57

NXP^TM M522XX, KINETIS and i.MX RT / Re: uTasker V1.4 for M522XX now available

« on: August 09, 2009, 08:26:59 AM »

Hi Mark,

I've not had an e-mail regarding the v1.4 release for this (but I have for the LPC23xx & SAM7x ports).

Can you please send the information for downloading the updated files?

Many thanks,

JezC

58

NXP^TM LPC2XXX and LPC17XX / Re: LPC24XX with LCD

« on: July 13, 2009, 09:43:03 PM »

Hi Mark,

We're planning to use a range of NXP processors in our work projects so we'd like to be sure that there aren't any general problems with ethernet, so helping prove where the problem lies would help us both in the long run!

But for now, I'm primarily looking at the NXP port out of personal interest (to compare it with the Kirin 3 port on a price/performance basis).

We're also looking at the new LPC17xx family devices which I'm sure you'll be supporting soon?

Just let me know what you'd like me to check (and whether it's worth checking on say the Embedded Artists board as well as the IAR//Olimex one) and I'll feed back my results as soon as I can. Obviously, to try it on both boards would probably require me to register for the NXP so taht I can access the source - I will do this as soon as it's necessary if that's ok?

Cheers,
    JezC

59

NXP^TM LPC2XXX and LPC17XX / Re: LPC24XX with LCD

« on: July 07, 2009, 10:30:03 PM »

Hi Mark,

I have access to the Olimex 2478 board (badged as IAR) through work - if you still need someone to try running the code as a comparative test, please let me know!

We also have two other board types with the LPC2478 fitted (an Embedded Artists 2478 board and another board by Future Electronics) so if there are problems with the Olimex one, we should be able to compare the performance/behaviour with one of the other designs.

I'd be very interested to hear when you actually release the full NXP version!

Cheers,
    JezC

60

ST^TM STM32 and STR91XF / Re: Porting to other evaluation boards

« on: August 30, 2008, 10:34:52 PM »

Hi Mark,

I've borrowed a Raisonance R-Link to let me make faster progress & managed to program the hex file (via CAPS) ok. But when I run the code, one of the LEDs on the IAR dev board is flashing (LED9) but the board isn't being recognised by my router! I've edited the config.h to build for the IAR dev board rather than the Raisonance one and followed the instructions re CAPS in the tutorial. I've got a red power LED on solidly, a green LED next to the USB connector on solidly & LED9 flashing but no display on the LCD. Pressing the reset button extinguishes the green LED & LED9 briefly.

The green LED on the ethernet socket on the board is showing green most of the time & I see an occasional flicker of orange from the other LED on the RJ45.

Any ideas what I'm doing wrong this time?

Also, re-reading your first reply, I notice that the source snippet has a reference to the STR9_DONGLE as a supported board but the code I've got only mentions the Raisonance & IAR boards. Is there a newer version I should try?

The simulation under dev studio works brilliantly, I'm just hoping to get the real hardware working ready to start developing my own application!

Cheers,
Jez