... microcontrollers ... programming ... to 32 ... Short ... math and ... all ... 32 ... development ... settings like ... AT91SAM7S) ... program ... firmware ...
... I would suggest that you use a later gcc version. Version 3.4 is far better than 3.3 in generating ARM code, but still has some nasty little bugs where it...
... IT IS NOT AN ERROR! It is a nasty little bug in the LPC2000 that hammers the VPDIV reg when you set the EXTPOLAR reg. I ran into exactly the same...
Hello, I have bought a mcb2300 v3.1 board from Keil. I have tested some example programs wich I loaded with uVision3 and my ULINK2. I would like to have a RTOS...
Hi, Here is the initialise code for LCD using LPC2100 series controller. Here we have to increase the initialise delay value. void LcdInit(void) { IO0DIR =...
vedavyas acharya
vedavyas79@...
Oct 1, 2007 12:50 pm
27906
Dear All, Case I : With few LPC2148 chips, I get, "No Jtag device found" message when using Keil for programming. I then tried Philips Flash utility and tried...
... development board (10 KB) test code ... From the OpenOCD error message, it is clear that you don't have (or aren't running) the latest version. ... When I...
... Tom, I am sitting here reading the LPC2148 Errata dated July 9, 2007 and I don't see any mention of a problem with EINT0, VPBDIV, EXTPOLAR or any other...
... I hope not, I haven't used or looked at the LPC2148. I had thought the issue with the EXPOLAR was with the LPC213x series. But, the issue turned up on...
Greetings: I would like to find a repository of assembler source code examples specifically for the LPC21xx to have as a reference. Are there any web sites...
Thank you for your suggesstion Here is my path settings C:\Program Files\openocd-2007re204\bin;C:\Program Files\openocd-2007re204\utils\bin;C:\Program...
The same issues exist on the 2129 and 2292... so perhaps it's simply skipped a couple of the Errata sheets by mistake? Andy ... From: lpc2000@yahoogroups.com...
... The FreeRTOS.org download includes an alternative setup that you may have more luck with (?). See http://www.freertos.org/portlpc2368_Eclipse.html . ...
... Yes. You may also want to review these, both high quality products: http://www.micrium.com/products/rtos/kernel/rtos.html // They now distribute OS...
... Why do you assume the GPIO pins go low? In fact, at reset they float for a while before they are established as inputs. With really bad luck, they could...
... WOW. I assumed low because the reset value of the GPIO port is 0x00000000. I had no idea they floated and I guess this explains some of the transients...
... wrote: [snip] ... There is a later version. In Version 1.8 of the LPC2138 Erratasheet (July 9, 2007), "Errata history table for MAM.2 was updated". They...
... [snip] ... Philips: Is it so that increasing the MAMTIM setting is a reliable workaround for this bug? If so, what value does it need to be increased to...
... with ... You can signal events via queues, semaphores and mutexes within ISRs - but I assume you are referring to the lack of event flags as a separate...
... Sure, the GPIO port resets to 0x00000000 but so does IODIR which makes all GPIOs inputs by default. As inputs they may have weak pull-ups but, worst case,...
One other thing: set the output level before you set the pin to be an output. If you have an external pull-up resistor on the pin, it will be high at startup...
... I need 1 GPIO pin (P0.20) or the DAC output (could also be a GPIO during reset) to be low during reset. Would a pull down suffice for this purpose ? P0.20...
... Its still on the radar, but as I mentioned in the last post, I'm still pondering the best implementation. I have not yet come up with a scheme that is...
... There was a time, long long ago, which people in the field could pick up the phone and speak to the engineers that were designing the silicon. I even had...
Are you trying to drive power FETs with 3.3 Volt logic ?? They may not even turn on at 3.3 Volts. Also, if you are switching at high frequencies, you will...
... The flag/task enumeration for uC/OS-II and embOS occurs when the flag/event is set. So if you use flags/events for a system with one time critical task,...
