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Questions re Coding Efficiency

Started by MaxMaxfield 3 years ago18 replieslatest reply 3 years ago142 views
I just received an email from someone saying that his commercial coding experience started with a programmable calculator with 512 bytes of memory -- he wend on...

UART communication with ACK/NACK error handling

Started by Keno 3 years ago17 replieslatest reply 3 years ago2209 views
IDEA: I'm trying to establish firm communication between a transmitter and receiver; firm in a sense of some basic error handling. I'm trying to implement ACK(acknowledgement)/NACK(negative-acknowledgement)...

Communication protocol suggestions

Started by gold_spark7 3 years ago10 replieslatest reply 3 years ago164 views
I’m building a bus with 6 sensors. Each sensor has its microcontroller. We call it a node. There will be a master micro which will communicate with all the nodes. Sensor...

Cache memory vs volatile

Started by sadash 3 years ago9 replieslatest reply 3 years ago1938 views
Can you explain how does volatile prevents the compiler optimization on caching of variables? What does MMU do in this context?

Five different ways of incrementing a variable in C?

Started by MaxMaxfield 3 years ago22 replieslatest reply 3 years ago228 views
Hi there, sorry to bug you again, but I always learn useful stuff here -- again I'm writing a column -- and again I would appreciate the benefit of your feedback.Question...
I have SG for the Z80. Does anyone else have any other versions of Sourcegate? Let's trade!!

Docker like dedicated embedded system

Started by Emanuel_Allely 3 years ago99 views
Hi there!  :) I've just launched the new release of an open source embedded software named Luos.Luos is like Docker, but dedicated to embedded systems. In other,...

We are looking for speakers & topic recommendations for the upcoming Embedded Online Conference

Started by stephaneb 3 years ago2 replieslatest reply 3 years ago75 views
In our quest to make the Embedded Online Conference ever more interesting and insightful for Embedded Systems developers, we are reaching out to ask the EmbeddedRelated...
The current bootloader that I am working on for MSP430F2618 works fine with memory size of 64K and instruction set of MSP430X. Changing the memory size to 1MB does...

How to setup Modbus over RS485 between a RPi and STM32 Blue Pill

Started by dannychris37 3 years ago1 replylatest reply 3 years ago749 views
For RaspberryPi I found this: https://github.com/stephane/libmodbus but I'm trying to understand how I can implement a modbus RTU via U(S)ART for STM32 blue pill....

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