JTAG debugging tools
2005-12-09 by householder_lpc
Hi all, I m currently trying to find good and not too expensive tools for programming and debugging the LPC2148. I intend to use gcc as compiler. Can anyone
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I want to port ecos to My target board based on LPC2106
2005-12-09 by subhashinimanne
Hello! I have therotical knowledge regarding ecos.Now I want to implement eCos on my arget board whic file to copy and where to get these files Please help me
RE: [lpc2000] Re: LPC2146 IAP Erase & Write not working.
2005-12-09 by Joel Winarske
... You bet! Joel
Re: LPC2146 IAP Erase & Write not working.
2005-12-09 by mark_dell555
Thanks for the snippet, I tried everything in this code and almost gave up, then just by accident I noticed that erase has a 3rd parameter (CCLK). Cant
Re: [lpc2000] USB to RS232 adapter for Flash ISP Ultility downloads?
2005-12-09 by Rob Jansen
... Another program is the USB timing. USB 1.1 has a 1 ms packet timing and USB 2 a 128 us timing. This means that combined reading writing (e.g. set CLK, read
Re: {Definitely Spam?} [lpc2000] LPC2104 Power Up 1.8v and 3.3v
2005-12-09 by Robert Adsett
... How so? Do they just never start? Can you perform an ISP operation on them ... Within reason there don t appear to be any power sequencing issues on
Re: [lpc2000] Re: Problem with watchdog
2005-12-09 by Robert Adsett
... One thought that occurs to me, and I have no idea whether it is an issue with this processor, is that some watchdogs must be cleared before they are
Re: [lpc2000] USB to RS232 adapter for Flash ISP Ultility downloads?
2005-12-09 by Peter Homann
Hi Joerg, The USB to RS232 or Parallel port converters don t retain any timing data. The Phillips flash utility uses a standard serial RS232 interface so it
Re: USB to RS232 adapter for Flash ISP Ultility downloads?
2005-12-08 by Joerg Schulze-Clewing
Hello Rob, ... product ... Thanks for the info. Guess I have to get an adapter then. At least the newer ones should be able to do 115200 baud. Regards, Joerg
Re: USB to RS232 adapter for Flash ISP Ultility downloads?
2005-12-08 by Joerg Schulze-Clewing
Hello David, Thanks. That gives me hope. I may have to order it as you did since even the local computer stores do not carry USB-RS232 adapters of any kind.
Re: [lpc2000] MEMMAP register problem
2005-12-08 by Joel Winarske
... The order both Keil and IAR use is setup PLL, MAM, then MEMMAP. Keil implements in startup assembler, while IAR implements in main() post crt init. Either
Re: JTAG Programmer Confusion - Noob Question
2005-12-08 by leon_heller
... research ... build one ... particular ... through ... designer), ... pins ... any ... port ... possibly ... with it ... I should also have said that
JTAG Download problems
2005-12-08 by dagoss123
I am new to the ARM uC and the Keil tools I have a Keil MCB2130 board with a 2138 I have the Keil ULINK connected to a USB port (and the USB light is on) and
Re: [lpc2000] Re: JTAG Programmer Confusion - Noob Question
2005-12-08 by Leon Heller
... From: Bertrik Sikken To: Sent: Thursday, December 08, 2005 8:23 PM Subject: Re: [lpc2000] Re: JTAG
Re: [lpc2000] Re: JTAG Programmer Confusion - Noob Question
2005-12-08 by Bertrik Sikken
... Hash: SHA1 ... Hi Leon, Sorry if I m asking a stupid question (I m not a hardware designer), but is your circuit safe for the parallel port? As far as I
MEMMAP register problem
2005-12-08 by arm_beta_tester
I have problem with MEMMAP register in LPC2138. By default MEMMAP register is equal to 0x00. In this mode during the code execution after the reset vector next
RE: [lpc2000] Re: LPC2146 IAP Erase & Write not working.
2005-12-08 by Joel Winarske
This code works: http://groups.yahoo.com/group/lpc2000/files/EE_demo.zip (code here modified from original) unsigned int command_iap[5]; unsigned int
Re: LPC2214 and 16 bit flash
2005-12-08 by Ken Wada
Byte accesses on these 16-bit FLASH devices are not a problem! From what I can tell, you are most likely using an Intel 16-bit wide StrataFlash, or one of
Re: LPC2214 and 16 bit flash
2005-12-08 by Ken Wada
Yes, it is possible to write bytes! What you need to do, is to read the entire 16-bit word, modify the byte, (upper or lower), then write the entire 16-bit
Re: LPC2106 in new housing - is the SPI bug fixed?
2005-12-08 by philips_apps
Mark, the new package is still the old existing device inside. There is going to be a version for the LPC2106 with all bugs known today fixed to be released in
Re: LPC2214 and 16 bit flash
2005-12-08 by smoutpatrick
... accesses? ... datasheet on ... Tom, what should i look for in the datasheet? The datasheet tells me that no byte access is supported (see original
Re: LPC2214 and 16 bit flash
2005-12-08 by smoutpatrick
Ken, We have selected a flash that supports page mode. However, the device doesn t support byte access. Is it nevertheless possible to write bytes with the
Re: LPC2214 and 16 bit flash
2005-12-08 by Ken Wada
This is emminently doable...A few issues to concern your self though: 1. Make sure you have boot-up code in your internal FLASH, (if you are using the
Re: LPC2138 Timer0 Interrupt
2005-12-08 by Ken Wada
First of all; you are not acknowledging your VIC interrupt. This will cause your system to look like it is not interrupting. void decrement_timers() __irq {
LPC2106 in new housing - is the SPI bug fixed?
2005-12-08 by Mark Butcher
Hi All I have been using the LPC2106 in LQFP48 for some time now. This is also available HVQFN48 now - it wasn t when we started production - and I want to
SV: [lpc2000] LPC2138 Timer0 Interrupt
2005-12-08 by Jørgen Daugaard
Maybe you forgot to enable global interrupt just before entering the loop? // just an infinite loop to check Timer0 system_timer = 4000; __ARMLIB_enableIRQ();
Re: LPC2138 Timer0 Interrupt
2005-12-08 by mark_dell555
Make sure your global IRQ flag is clear, (I_BIT in CPSR needs to be 0). Also you need to clear the VICVectAddr (VICVectAddr = 0x00000000) at the end of your
Re: LPC2138 Timer0 Interrupt
2005-12-08 by Randy Ott
Maybe interrupts are not enabled? ... gets
Re: LPC2146 IAP Erase & Write not working.
2005-12-08 by mark_dell555
Tried SVC mode, with interrupts both enable and disabled. The result is still the same.
LPC2138 Timer0 Interrupt
2005-12-08 by dodge1955
Can anyone tell me why my interrupt is not firing? The T0IR flag is set upon rollover of the TIMER0 32 bit timer, but my code is not vectored to the interrupt
Re: [lpc2000] LPC2146 IAP Erase & Write not working.
2005-12-08 by Richard Duits
The only thing I can think of is that the IAP routines may not work in user mode. Try switching to system mode before calling an IAP routine. Richard.
Re: [lpc2000] LPC2214 and 16 bit flash
2005-12-08 by Tom Walsh
... That would be solely dependant on your Flash. Look to your datasheet on the Flash device. TomW -- Tom Walsh - WN3L - Embedded Systems Consultant
LPC2146 IAP Erase & Write not working.
2005-12-08 by mark_dell555
Hi, I m having a problem erasing the flash with IAP calls on my lpc2146. I m making calls to the IAP, and get the chip id fine from the IAP. Next I make a
Re: OT: Screws that come pre thread locked
2005-12-08 by gregdeuerling
... know a ... pre ... to ... the web ... coat ... topic :) ... Thanks Dennis, they had exactly what I needed!
Re: WARNING: problem reading state of external interrupt lines.
2005-12-08 by brendanmurphy37
Good suggestions. Routing to a 2nd pin is probably safest. Problem is we re short on pins and also would prefer not to re-spin the board at this late stage of
Wiggler debugging in Flash
2005-12-08 by lynchzilla
Hi nieuw bericht. The crucial element in wiggler debugging is the Macraigor OCDRemote utility that converts GDB serial commands into bit-banging on the LPT1
Re: WARNING: problem reading state of external interrupt lines.
2005-12-08 by Karl Olsen
... Or route the signal to a GPIO pin in addition to the EINT pin. Or use a timer capture pin, and let it generate a capture interrupt on both rising and
Re: [lpc2000] Re: Problem with watchdog
2005-12-08 by Ake Hedman, eurosource
Brenda*n,* thanks. It s really good to here that. Even if 99.999% of the problems comes from the code we write ourselves it is still nice to take away that
Re: Problem with watchdog
2005-12-08 by brendanmurphy37
Ake, Thanks for your comments. I m not sure if you want to hear this or not, but we ve just put in support for the watchdog. It worked first time, with no
LPC2104 Power Up 1.8v and 3.3v
2005-12-08 by phlpcmicro
Hi Guys, We have built a few boards with LPC2104 s and 1 or 2 are not powering up and are hanging after power up. We scope the 1.8v and 3.3v and the waveforms
Re: (unknown) -> JTAG debugger code size constraints
2005-12-08 by Wolfgang Büscher
Hello nieuw bericht (?), ... and if not, is it possible to use a low-cost JTAG emulator (like Amontec s debug value pack) with gcc/gcb to program the lpc2000
WARNING: problem reading state of external interrupt lines.
2005-12-08 by brendanmurphy37
Hi, We ve just discovered come characteristics of the external interrupt lines on the LPC213x parts (probably other parts as well, though not on the newer ones
REG: IAP in LPC2138.
2005-12-08 by rockraj_2003
Hi Freind, Had anybody tried an IAP routine in LPC2138 using IAR Ewarm version. I want to write data to the FLASH. Had anybody has got some example code on how
Re: [lpc2000] Re: Problem with watchdog
2005-12-08 by Ake Hedman, eurosource
Thanks Brendan, This is the right approach surely. I m at that state now and have no other alternative then to back a bit and go through this the right way .
Message 11209
2005-12-08 by nieuw bericht
Hi all, I m learning to work with the LPC2148 processor, and have a pcb board for this, from embeddedartists.com. I would like to use the gnuarm toolchain with
blinky flash download problem
2005-12-08 by dagoss123
I am new to the ARM uC and the Keil tools I have a Keil MCB2130 board with a 2138 I have the Keil ULINK connected to a USB port (and the USB light is on) and
Re: Problem with watchdog
2005-12-08 by brendanmurphy37
Ake, I can almost feel your frustration: we ve all been there! I m very interested in the outcome of this, as our own task for next week is to get the watchdog
Re: [lpc2000] JTAG Programmer Confusion - Noob Question
2005-12-08 by Dominic Rath
Hello, ... The 0x4f1f0f0f is what I get on my lpc2294, so this should be fine. ... That s because of Philips code protection. The test logic is forced into
Re: [lpc2000] Re: JTAG Programmer Confusion - Noob Question
2005-12-08 by Leon Heller
... From: sixtyfivebit To: Sent: Thursday, December 08, 2005 7:35 AM Subject: [lpc2000] Re: JTAG
Re: clock freq. for new LPC2103
2005-12-08 by lpc2100_fan
Gus, I agree with Joel about the UART frequencies. To answer your question, use a 10 MHz crystal, the only one that is within the PLL range 10-25 and that can