LPC MicrocontrollersのトピックRe: LPC-4350-DB1

LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:02 GMT

Content originally posted in LPCWare by JohnR on Wed Jan 04 06:27:10 MST 2012
Hi All,

Does anybody know anything about the LPC-4350-DB1 development board on LPC4350.com? The board layout page shows a board with an Arrow logo but seaching on Arrow does not turn up anything.

JohnR

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:03 GMT

Content originally posted in LPCWare by asherman on Thu Feb 09 04:44:58 MST 2012
Hello John ,

We have build this board and it is in production . Arrow EMEA got all info. and you will have an option to order it via Arrow and Diolan Web Site .

Amir Sherman
Arrow Israel

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:04 GMT

Content originally posted in LPCWare by JohnR on Thu Feb 09 06:55:32 MST 2012
Hello Amir,

Thanks for the reply.

I cannot find any reference to the new board on the Diolan site and the only reference on Arrow only seems to point back to the LPC4350 site?

Do you have a web address with price and delivery information.

Thanks in advance.

JohnR

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:04 GMT

Content originally posted in LPCWare by maxkombarov on Tue Feb 14 08:10:54 MST 2012
Hello John,

LPC4350-DB1 board is available to order from today. Use direct link to Diolan site http://www.diolan.com/lpc4350.html or "Buy LPC4350-DB1 Development Board Online" link at www.lpc4350.com.

Best Regards,
Maxim

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:05 GMT

Content originally posted in LPCWare by JohnR on Thu Feb 16 13:39:15 MST 2012
Hi Maxim,

Sorry for the delay in replying - I have been travelling.

Is the CodeRed LPCXPresso compiler and the Embedded Artists LPC Link from a LPC1769 board compatible with the LPC4350-DB1?

Thanks again,

John.

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:05 GMT

Content originally posted in LPCWare by maxkombarov on Fri Feb 17 08:02:55 MST 2012
Hi John.

For now we only tested LPC4350-DB1 with examples created in IAR Embedded Workbench and SEGGER J-Link. All examples are available for download http://www.lpc4350.com/projects/lpc-4350/wiki/Software_Examples

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:06 GMT

Content originally posted in LPCWare by dima2611 on Thu Feb 23 02:31:15 MST 2012
Beware that pin P2_7 (which is actually the ISP pin) is floating in Rev. B of this board.
You can find this line at J5 as WAKEUP0 at pin #17.

I had big troubles connecting Red Probe+. The guy from Code Red Technologies gave me some hints.
Check this: http://support.code-red-tech.com/CodeRedWiki/HardwareDebugConnections

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:07 GMT

Content originally posted in LPCWare by MrSteel on Sat Feb 25 19:15:06 MST 2012
Hi

Thanks for that information!

I have tried to download the LPC-4350-DB1 Keil projects to the board using a ULINK2 debugger. I can compile the projects fine but I can't get the ULINK2 to do its job. I get an error saying "flash download failed - Cortex M4". I wonder if this has to do with the floating ISP pin - would you know? I have copied the FLT files for the external Spansion FLASH into the Keil/flash folder and in uVision I can add this programming algorithm in the Utility configuration so I believe that part is done right.

Also, can you please share what you connected pin#17 at J5 to - which pull up resistor did you make use of?

If anyone has had success in making use of the project in uVision using a ULINK2 debugger I be happy to hear how it is done.

Cheers

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:07 GMT

Content originally posted in LPCWare by MrSteel on Sat Feb 25 19:16:47 MST 2012
...

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:08 GMT

Content originally posted in LPCWare by dima2611 on Sun Feb 26 02:56:10 MST 2012
Hi,

as far as I understand you want to write into external flash memory. This part is still a big mystery to me since I don't know which JTAG tool can do this and which not. I have Red Probe+, and it can apparently only load to SRAM for debugging. LPC43x0 are flash-less, the fact JTAG tool do not see from the beginning.

I have to correct my statement about P2_7 and WAKEUP1. P2_7 is the ISP pin. That's true. WAKEUP1 is another story having nothing to do with ISP and P2_7.

You can find the wire connected to P2_7 among pads of not mounted resistors surrounding the flash memory IC on the top. That is BTW where I could locate P2_0 and P2_1 used for booting over UART0.

P2_7 is still "floating" in my case. OK, actually, there is an internal pullup. So, I left it as it was. I can debug now.

/Dima

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:09 GMT

Content originally posted in LPCWare by MrSteel on Tue Feb 28 18:03:16 MST 2012
Hi

Thanks for your reply!

I still haven't succeeded writing to the external flash and I'm now trying to just download to internal RAM directly which I'm not successful in either. So I really can't use the board for much these day :(

I'm using Keil/uVision and an ULINK2 programmer. Can someone please share how to do this (When I press "Download" in uVision it always tries to upload to flash)? I went to Keils homepage and searched around looking for how to target RAM instead FLASH but couldn't find much information.

Update: I have now found out how to load code into SRAM (by pressing ctrl+F5 instead of the download button - yeah I'm a newbie) but I still can't run the projects made for the board (from lpc4350.com).

In the command window I get:

/////////////////////////////////////////////
Running with Code Size Limit: 32K
Include "C:\\Keil\\lpc4350-db1_demo\\Examples\\ButtonsLedsSimple\\Keil\\..\\..\\..\\..\\ARM\\Examples\\lpc43xx\\2012-01-25\\Examples\\ATIMER\\Atimer_Wic\\Keil\\Internal SRAM.ini"

FUNC void Setup (unsigned int region) {
region &= 0xFFFF0000;
SP = _RDWORD(region);                          // Setup Stack Pointer
PC = _RDWORD(region + 4);                          // Setup Program Counter
_WDWORD(0xE000ED08, region);                   // Setup Vector Table Offset Register
}

LOAD "Internal SRAM\\cm4.axf" INCREMENTAL

*** Restricted Version with 32768 Byte Code Size Limit
*** Currently used: 3764 Bytes (11%)

Setup(0x10000000); // Get ready to execute image in SRAM or whatever region it is in
g,main
/////////////////////////////////////////////

but the run button is ghosted and cant be reached!

Thx

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:09 GMT

Content originally posted in LPCWare by dima2611 on Thu Mar 01 14:33:58 MST 2012
Maybe, you just need a correct driver. Maybe, the flash memory which is mounted is all wrong. I did a simple chip erase test with an example supplied with LPCXpresso 4.2. It took 13 (!!!!) seconds (I observed D6 pin which gets toggled when the chip is busy). It think it was just a timeout for whatever reason.

Anyway, I ordered the same memory as with Hitex boards from Farnell. It is pin-compatible but a bit different. I will try it tomorrow with flash drivers supplied by Code Red for LPCXpresso 4.2. You can find drivers for Keil here (Tools/Flash/Keil_Binaries):

http://www.lpcware.com/content/nxpfile/lpc4350apdlzip

Beware: you must replace the flash itself with the correct type. I will tell you if I would succeed tomorrow.

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:10 GMT

Content originally posted in LPCWare by dima2611 on Mon Mar 05 10:21:32 MST 2012
Hello all,

It got good before turning really bad.

I replaced the flash memory on the board with the same type used by Hitex. And then, I could download some programms in it and debug with Red Probe Plus. So far so good.

Now, (I did not touch it over the weekend) the whole setup seems "infected" with a nasty "lost debugger connection" virus. I keep getting the "Target error from status-poll" message in the original Mass storage host example as soon as the USB host gets initiated. I tryed lowering the wire speed down to 150 kHz. No help. Another simple LED blinky programm gets debugged just fine. The reasons for this fault described here (http://support.code-red-tech.com/CodeRedWiki/StatusPoll) make me think the whole thing is highly sensitive to smallest deviations of the design from the "ideal". It means for me, even if I would succeed using the original Hitex board, I would fail trying to clone it.

This is not the kind of tools I could rely on. I'm thinking of ending my Odyssey (I still could need a HS-USB and some floating point capabilities).

I'm sad.

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:11 GMT

Content originally posted in LPCWare by drs on Mon Mar 05 11:49:25 MST 2012
Don't get discouraged. If it worked before with no hardware changes then it should work again. Unless you caught the dreaded "stop working on Monday morning" virus.

Sometimes the USB driver gets into a funny state and has to be reloaded. Sometimes the IDE leaves behind a zombie process that has to be killed.

Try:
unplug the JTAG USB cable
kill the IDE application
kill the wedged IDE process in task manager (lpcxpresso.exe *32)

If this doesn't work then power cycle the building...

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:11 GMT

Content originally posted in LPCWare by dima2611 on Mon Mar 05 12:16:31 MST 2012
The point is that I can step through the programm a bit. If I comment the USB initialization leaving all other stuff there, the debugger does not fail. So, it is not the wire speed's relation to the clock. It is some nasty relation in the HW.

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:12 GMT

Content originally posted in LPCWare by dima2611 on Sun Mar 11 17:16:57 MST 2012
Hi drs,

please take a look. A possible reason is a simole register access...

http://www.lpcware.com/showthread.php?t=2988

My findings are way discouraging. I hope I have a bad chip.

/Dima

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:13 GMT

Content originally posted in LPCWare by drs on Mon Mar 12 09:54:36 MST 2012
The only other thing that I can think of which would cause this problem is if the PHY was not powered up. The bootloader for this part powers down the PHY on startup. But in the v0.92 release it is powered back up in HAL18XX_USBConnect() which should have been called before the line you are USB_ResetInterface().
Is it possible that __LPC18XX__ is not defined in your build?

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:13 GMT

Content originally posted in LPCWare by dima2611 on Mon Mar 12 16:32:34 MST 2012
__LPC18xx__ and USB_HOST_ONLY are defined as it is done in the example for LPCXpresso.
Since USB_HOST_ONLY is defined, USB_CAN_BE_DEVICE is undefined by the precompiler.

The only place where HAL_USBConnect(1) could be called is USB_Init_Device() which is not available in USB_HOST_ONLY mode.

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:14 GMT

Content originally posted in LPCWare by drs on Mon Mar 12 20:39:12 MST 2012
My mistake. The calls are:

USB_Init()->HAL_USBInit()->HAL18XX_USBInit()-> line 71:

/* Turn on the phy */
LPC_CREG->CREG0 &= ~(1<<5);

Re: LPC-4350-DB1

lpcware — Wed, 15 Jun 2016 19:16:15 GMT

Content originally posted in LPCWare by dima2611 on Tue Mar 13 09:07:02 MST 2012
Maybe, it is just one of those "unaligned load" issues that cause the crash?

And if it is soooo much life-saving to have data aligned in a right way, why it is not done by the compiler or the linker?