Embedded Programming

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Task, process, thread, etc.

I've been refactoring some of my RTOS documentation. Comments from the reviewers suggest there's still some confusion a...
27 comments posted 5yrs
posted by blockedofcourse
27 comments posted 5yrs posted by blockedofcourse

Multi-master RS485

Are there any *real* implementation of multi-master half-duplex RS485 bus? I often use half-duplex RS485 and I always u...
30 comments posted 5yrs
posted by pozzugno
30 comments posted 5yrs posted by pozzugno

Obsolete 8051 Dev Gear

I have some 8051 ICE equipment back from my initial employment in the 80s Nohau Emul51 Hardware (2 x Full length ISA ca...
0 comments posted 5yrs
posted by chris.hoffmann
0 comments posted 5yrs posted by chris.hoffmann

Addressing on I2C

Are they some 'reserved' 'well known' addresses on i2c?
4 comments posted 5yrs
posted by pasmoi
4 comments posted 5yrs posted by pasmoi

Static allocation and data hiding

It's a common problem in embedded projects. You want to hide private data of modules, but you don't want to use dynamic...
2 comments posted 5yrs
posted by pozzugno
2 comments posted 5yrs posted by pozzugno

Is there such thing as a 4 bit CRC ?

If I create a 1 byte command that only uses 4 bits for 16 different functions, and there were NO following bytes (there...
35 comments posted 5yrs
posted by boB
35 comments posted 5yrs posted by boB

assembly language/masm32

I need some help for an exam on friday morning using assembly language if any1 can help me.
2 comments posted 5yrs
posted by pkrazzvanz
2 comments posted 5yrs posted by pkrazzvanz

Looking for uC/OS-II companion CD (2026 Update)

Hi, I have the "MicroC/OS-II The Real Time Kernel" book (2nd ed), but since I bought it used, it came without the compa...
2 comments posted 5yrs
posted by szamosj
2 comments posted 5yrs posted by szamosj

Slow (industrial?) SD cards

I have a setup with a micro SD card which may be suffering signal integrity issues. One suggested remedy is to try it w...
2 comments posted 5yrs
posted by theom+news
2 comments posted 5yrs posted by theom+news

Communist Chinese Military Companies

A new FPGA company in China has appeared on a list of Communist Chinese Mil itary Companies (CCMCs). One article I read...
0 comments posted 5yrs
posted by gnuarm.deletethisbit
0 comments posted 5yrs posted by gnuarm.deletethisbit

Fixed Point Calculations

I'm working with a custom designed hardware in fixed point arithmetic. I e xpect it won't be too difficult once I get m...
16 comments posted 5yrs
posted by gnuarm.deletethisbit
16 comments posted 5yrs posted by gnuarm.deletethisbit