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Discussion Title Created date
ASsembly Question
Hi freaks, I have a simple asm routine that I am having trouble compiling.  It is as follows: void context(void); __attribute__((naked))void context(void){ __asm__...
Thu. Aug 9, 2018 - 06:07 PM
Is it Real?
Hi guys, I've designed a scheduler for embedded systems aimed squarely at mid-range 32bit systems.  Interrupts and Exceptions are never disabling by the OS and API calls can...
Thu. Aug 2, 2018 - 09:03 PM
Requirements of a RTOS
Can I ask guys, I designed a RTOS recently and it never disables interrupts or exceptions, they always answered straight away.  However, RTOS api calls may be deferred....
Mon. Jul 30, 2018 - 03:55 PM
c editor
Is there an editor that allows you to copy c code text and paste it with the code highlighted in color
Mon. Jul 23, 2018 - 12:25 AM
Non Maskable Interrupt
Hi freaks, just a quick question.  The NMI Interrupt is handled in the exception.s file.  Can you disable the NMI by Disabling exceptions? 
Thu. Jul 12, 2018 - 06:30 PM
Initial VGA Timing conditions
Hi guys, have a look at this vga timing example.     So at the Start (initialisation) do I do the v-sync pulse, then begin the first line and at the end of that line is...
Sun. Jul 8, 2018 - 06:52 PM
Schematic tools
Could one of you nice guys recommend schematic software that is free?
Thu. Jul 5, 2018 - 01:11 AM
DMA for memory output on port
Hi guys, I reasonably comfortable with DMA transfers using the DMA controller that targets peripherals but I don't know how to do memory output.  I think I have to use a IRQ...
Mon. Jul 2, 2018 - 02:33 AM
vga timings
what vga resolution do you think is possible with a UC3 (dedicated) running at 66MHz dedicated to the vga ADV7120.     http://www.tinyvga.com/vga-timing  ...
Sun. Jul 1, 2018 - 02:18 AM
VGA, DAC Chips
Hi guys, I'm looking for three DAC chips for a VGA Driver.  Given that the VGA RGB Signals are in the range of 0 - 0.7volts what would be a good DAC to use..   Thanks,...
Fri. Jun 29, 2018 - 03:24 AM
TWI - I2C help
Hi guys,  I need to write the driver for TWI to send and receive byte on the TWI port.  I'm studying a Framework example and can't quite see how it actual write and...
Thu. Jun 28, 2018 - 12:10 AM
SPI bus???
I'm interested in interfacing a CMOS Camera to the UC3.  The UC3 has SPI ports.  Now the camera module, (OV7670 FIFO) has the following two interface pins, SCCB_C and...
Sun. Jun 24, 2018 - 06:26 PM

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