Embedded Programming

timestamp in ms and 64-bit counter

I need a timestamp in millisecond in linux epoch. It is a number that doesn't fit in a 32-bits number. I'm using a 32-b...

62 comments posted 6yrs

posted by pozzugno

62 comments posted 6yrs posted by pozzugno

newlib, FreeRTOS, reentrancy, heap and related questions

Usually arm gcc compiler uses newlib (or newlib-nano) for standard C libraries (memset, malloc, printf, time and so on)...

25 comments posted 6yrs

posted by pozzugno

25 comments posted 6yrs posted by pozzugno

STM32L4R9 native bootloader (system memory)

I have a board that mounts STM32L4R9 MCU. I'm interested in the native USB bootloader, the one that resides in system m...

4 comments posted 6yrs

posted by pozzugno

4 comments posted 6yrs posted by pozzugno

What are the best courses to learn Embedded Engineering In the United States?

I'm a good programmer in just about any computer language you can mention. But for example, I don't know how to use the...

2 comments posted 6yrs

posted by ashos.owner

2 comments posted 6yrs posted by ashos.owner

What are the best courses to learn Embedded Engineering?

I'm a good programmer in just about any computer language you can mention. But for example, I don't know how to use the...

0 comments posted 6yrs

posted by ashos.owner

0 comments posted 6yrs posted by ashos.owner

Looking For The Best Classroom Course(s) To Learn Software Embedded Engineering? [closed]

What are the best courses to learn Embedded Engineering? I'm a good programmer in just about any computer language you...

2 comments posted 6yrs

posted by ashos.owner

2 comments posted 6yrs posted by ashos.owner

Codewright Editor Issues

Maybe I'm stuck in my ways like a dinosaur, but I've always liked my Codewr ight editor. My latest PC would not take my...

22 comments posted 6yrs

posted by gnuarm.deletethisbit

22 comments posted 6yrs posted by gnuarm.deletethisbit

available toroids

I've been looking for a toroid with a cross section area (one side) of probably 2 or 3 square centimeters and an id of...

0 comments posted 6yrs

posted by ht

0 comments posted 6yrs posted by ht

Problem with connecting ADV7280-M to V4L in Rock Pi 4B SoC

I have to connect ADV7280-M (contained in the EVAL-ADV7280MEBZ board) board to Rock Pi 4B SoC. I have recompiled the ke...

0 comments posted 6yrs

posted by wzab01

0 comments posted 6yrs posted by wzab01

From cooperative to preemptive scheduler: a real example

I noticed my previous post about preemptive OS involved many people and started many discussions, most of them theoric....

31 comments posted 6yrs

posted by pozzugno

31 comments posted 6yrs posted by pozzugno

stty -F /dev/ttyUSB0

stty -F /dev/ttyUSB0 speed 0 baud; line = 0; min = 1; time = 0; -brkint -icrnl -imaxbel -opost -isig -icanon -iexten -e...

4 comments posted 6yrs

posted by klammerj

4 comments posted 6yrs posted by klammerj

Task priorities in non strictly real-time systems

I have always worked on non real-time systems, i.e. when the reaction of the system to an event should occur in a reaso...

73 comments posted 6yrs

posted by pozzugno

73 comments posted 6yrs posted by pozzugno

gpsim segfaults when loading a .cod with stack in linmem.

the version is gpsim-0.31.0 # (Dec 30 2019) the commandline was gdb --args gpsim -s ../pic/main.cod Here's a debug sess...

1 comments posted 6yrs

posted by klammerj

1 comments posted 6yrs posted by klammerj

Group with more traffic than CAE?

Hi This group has not much traffic Any recommendations for an alternative group? Cheers Klaus

2 comments posted 6yrs

posted by klaus.kragelund

2 comments posted 6yrs posted by klaus.kragelund

high voltage charge pump

Anyone familiar with a high voltage charge pump designed as a step down power supply? The voltage is between 175 & 200....

4 comments posted 6yrs

posted by ht

4 comments posted 6yrs posted by ht