Re: bootloader
2006-02-22 by Steve Franks
... I believe jasoorah is not the first person on this group to have found that wrong crystal freq s in the isp application can create dead parts, or at least
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Re: I2C Master Receiving Mode
2006-02-22 by andersryl
OK. This time I got it. One have to prepare for the coming byte; Set AA to 0 if the next incoming byte is the last. I guess there are reasons for
Re: JTAG difference between LPC2138 mask A and B know ?
2006-02-22 by r_bottleneck
... The ... Yes, sounds similar, but just the other way around. First time after power up the debugger can take control about the device, any further startup
Re: trashed 2148 bootloader
2006-02-22 by Guillermo Prandi
Thanks, Richard. Unfortunately my device uses all the available GPIO pins, so I am unable to use JTAG. Guille ... the ... so if ... JTAG to ... you ...
Re: trashed 2148 bootloader
2006-02-22 by Guillermo Prandi
Thanks, Jayasooriah. ... for the ... code that ... they have ... IAP ... You may ... your board ... enough ... cycle ... things go ... is not ... general) ...
Re: trashed 2148 bootloader
2006-02-22 by brendanmurphy37
... Paul, I think you re wasting your time here (as I ve been). I d suggest making no further contributions to this thread (I certainly won t be making any).
Re: [lpc2000] Re: I2C Master Receiving Mode
2006-02-22 by Richard Duits
The documentation is not wrong, but it may be incomplete. The actions are correct, you just have to add that clearing the SI bit must be the last action you
Re: [lpc2000] Re: Port ucos to lpc2132 with Karm250
2006-02-22 by FreeRTOS Info
... Hmm. Sounds to be a familiar issue that sometimes occurs when people port FreeRTOS.org to new processors. FreeRTOS.org sets the registers of each task to
Re: Port ucos to lpc2132 with Karm250
2006-02-22 by june_hsia
... vendors. ... ports, and ... to ... timer. I ... course I ... Hi, There is no error when I Compile and link the project.But when I uses uV3 simulator,it s
RE: [lpc2000] Re: trashed 2148 bootloader
2006-02-22 by Paul Curtis
Hi, ... To my knowledge, those devices do not have an ARM7 in them. You have, therefore, not answered the question I posed. ... Why would I want to do that?
Re: I2C Master Receiving Mode
2006-02-22 by andersryl
Thanks for the quick reply. If I interpret you correctly I can control the reponse to the data bytes by altering AA BEFORE clearing the SI bit (not an exact
Re: trashed 2148 bootloader
2006-02-22 by Jayasooriah
Re: [lpc2000] I2C Master Receiving Mode
2006-02-22 by Richard Duits
The next byte is received/transmitted on the I2C bus after you clear the SI bit. So if you set/clear AA before or in the same write as the SI bit you also can
Re: trashed 2148 bootloader
2006-02-22 by Jayasooriah
Hi Guile, I am happy to clarify by way of annotation: --- In lpc2000@yahoogroups.com, Guillermo Prandi wrote: Oh, I think I see
I2C Master Receiving Mode
2006-02-22 by andersryl
Hi, I m writing a driver for the I2C-bus on a LPC2214. The idea is to avoid busy waiting and instead use the I2C interrupt for capturing events on the I2C-bus.
Re: [lpc2000] Re: trashed 2148 bootloader
2006-02-22 by Richard Duits
... You can use JTAG to upload your own code to RAM and execute this, so if you really do not want to use the philips bootloader you can use JTAG to do
Re: SW Support for Interfacing BGW200 (WLAN) with LPC21xx thru SPI.
2006-02-22 by dashing_dhruv_in
Here you go ... http://www.adyasystems.com/products.htm Regards, Dan ... Google has
Re: [lpc2000] Re: SW Support for Interfacing BGW200 (WLAN) with LPC21xx thru SPI.
2006-02-22 by Martin Maurer
Hello, ... Do you have additional information or a website about this kit ? Google has not much info about it... Regards, Martin
Re: trashed 2148 bootloader
2006-02-22 by Jayasooriah
Re: trashed 2148 bootloader
2006-02-22 by Guillermo Prandi
Oh, I think I see the point, now. From what you say I get the following: 1) I have no choice but to go through the embedded bootloader for the initial
Re: Which LPC2138 dev kit to buy?
2006-02-22 by dashing_dhruv_in@yahoo.co.in
Hi! I have came across the WLAN Application Development Kit from Adya Systems. This kit is based on Philips LPC2138 and BGW200 connected through SPI, board
Re: SW Support for Interfacing BGW200 (WLAN) with LPC21xx thru SPI.
2006-02-22 by dashing_dhruv_in
Hi Ranjith, Your solution could be Adya Systems WLAN Application Development Kit . Kit is based on Philips LPC2138 and BGW200, and seems to be helpful for the
RE: [lpc2000] Re: trashed 2148 bootloader
2006-02-22 by Paul Curtis
Hi, ... Can you name one ARM7 with embedded flash that has feed sequences to protect its flash programming registers? As you claim that this is industry
Re: trashed 2148 bootloader
2006-02-22 by brendanmurphy37
... the ... to be ... flash ... flash ... Jaya, This is indeed useful information. Do you have any examples of specific failure modes that you ve observed?
Re: [lpc2000] On LPC2103: Can I short VBat to V18?
2006-02-22 by Tom Walsh
... No ... The 32KHz oscillator and clock circuitry (counters) operate over the 2.0 .. 3.6volt range. This is the typical discharge life of a lithium cell.
On LPC2103: Can I short VBat to V18?
2006-02-22 by unity0724
Hi, On LPC2103, Can I short VBat to V18? The 2 pins are next to each other. = Simplify my PCB layout = Simplify my RTC backup circuit also, if V18 does not
Re: [lpc2000] JTAG difference between LPC2138 mask A and B know ?
2006-02-22 by Tom Walsh
... Strange behavior? Hmm, like it makes rude gestures? I have had some difficulty in being able to connect to the LPC2138. The BDI2000 reports ICE-BREAKER
Re: trashed 2148 bootloader
2006-02-22 by Jayasooriah
Hi Guile, Based on my own experience, and of those who have communicated such problems to me by email, there are two reasons as to why you may need to
Re: trashed 2148 bootloader
2006-02-22 by Guillermo Prandi
Thanks, Jayasooriah. This however leaves me with more questions than before. I am not particularly interested in code read protection. However, my company
Re: LPC2148 USB
2006-02-22 by philips_apps
Varuzhan, On Keil s website, there is an app-note how to use the soft connect: http://www.keil.com/support/docs/3141.htm It s a regret that, unlike Olimex and
Re: [lpc2000] Re: Multiple compare and capture on same Timer
2006-02-22 by Robert Adsett
... It seems more likely to me that you have got an unexpected source of latency in your system somewhere (another interrupt perhaps?). Can you set it up to
Re: trashed 2148 bootloader
2006-02-21 by Jayasooriah
Hi Guile, I found a number of things broken in the boot loader. These have stopped me (and from the posts here, a lot of others) from doing what they should
RE: Circuit Cellar article
2006-02-21 by Bruce Paterson
... Yes I did find that finally. I doubt I ll bother with the US$1.50 then (with overseas Transaction charge of $4.00 or whatever) :). It is odd that a search
Re: trashed 2148 bootloader
2006-02-21 by Jayasooriah
I did make my the my findings public. The CSI bug that crashes the boot loader is one example. There has been no word whatsoever from Philips. As Philips
RE: [lpc2000] Discrepancy of timing during debugging versus non-debugging
2006-02-21 by Joel Winarske
Hi Jeff, ... Check under Linker settings, and verify Buffered terminal output is unchecked. Joel
Re: Discrepancy of timing during debugging versus non-debugging
2006-02-21 by Jeff Davis
I do have PLL code (which does work when enabled), but I ve been running most all of the debugging with the PLL disabled (removing calls to config PLL with
Re: trashed 2148 bootloader
2006-02-21 by brendanmurphy37
... of ... post ... about ... I ll second that, as I m sure everyone would. Our own experience of the boot loader is that it s fine for development and initial
Re: [lpc2000] LPC214X UART 5V tolerance
2006-02-21 by Xtian Xultz
... I am using here a MAX232 attached to a LPC2106. The MAX232 runs at 5V and I founded no problems, the 3.3V from the LPC TX is enough to run the MAX232 and
Re: Discrepancy of timing during debugging versus non-debugging
2006-02-21 by Danish Ali
If you single-step through the setup routine for the PLL, it is possible that this kills the PLL feed sequence and you ll probably be running at the crystal
LPC214X UART 5V tolerance
2006-02-21 by deliconn
I know the I/O pins are 5V tolerant, does that also mean that the other devices connected to them are also 5V tolerant? I want to use a 5V RS232 transceiver
Re: trashed 2148 bootloader
2006-02-21 by Jean-Rene David
... Oh is that what it is. Well I think we are all grown up enough to recognize a coherent technical argument when we see one (i.e. sometimes referred to as
Discrepancy of timing during debugging versus non-debugging
2006-02-21 by Jeff Davis
I m developing with the LPC2220 processor, using IAR s Embedded Workbench (4.30A and J-Link. For some reason, about 30% of the time, when I run code in debug
Re: trashed 2148 bootloader
2006-02-21 by Guillermo Prandi
Hi, Jayasooriah. I too would like to hear about your findings. If you d just post your findings in cold objective words instead of making misterious announces
Re: [lpc2000] Re: trashed 2148 bootloader
2006-02-21 by 42Bastian Schick
Jaya, ... I wonder, why don t you just make your findings public ? = Files section -- 42Bastian
frame pointer
2006-02-21 by Thiago Takehara
Sorry about my ignorance, but what is the frame pointer defined for r11 register? Do I really need to set it? Because the source code I am analysing here sets
Re: SD card boot sector location
2006-02-21 by derbaier
... Easy search! http://www.circuitcellar.com/magazine/176toc.htm ********************************QUOTE********************************* Portable FAT Library
How to generate Freq & how to perform bit operation
2006-02-21 by Saravanakumar S
Hi , I am new to this Embedded field. I have the following query. 1.I want to generate Particular frequency Say Eg 50 kHz, with enable Ack bit. When ever i
Re: Phytec LPC2294 board UART problems
2006-02-21 by Jayasooriah
You can do this by watchdog reset. Assembler code would look this: @ force reset ldr r0, =0xe0000000 mov r1, #3
RE: [lpc2000] Re: Multiple compare and capture on same Timer
2006-02-21 by Joel Winarske
... Hmm, I m doing this on a LPC2148 with no problem: T0MR0 += SAMPLE_INTERVAL; Did you check the assembler output? Joel
RE: [lpc2000] Re: SD card boot sector location
2006-02-21 by Joel Winarske
... No kidding from December...