Latest threads in Embedded Programmingshow only best voted threads
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Re: examples of arm assem.
ARM has at least 4 instruction sets: 1. The classic 32-bit ISA (32-bit instructions operating on 32 bit data) 2. Thumb compressed 16-bit instructions (operating on 32 bit data) 3. Thumb-2 compressed...
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2 years ago
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Can ST Cube IDE do 32F4 execution time profiling?
The internet is full of posts from people tearing their hair out trying to use this tool :) I have it running OK although 99% of it is a mystery. And the code which the configurator generates is crap...
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2 years ago
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STM32 CUBE project
So, i created the ADC1 & PIOC13 blinker, bit it does me no good without knowing what the analog values are. But when i try to create an USB_CDC device, it complaints about: ADC1: partly disable...
9
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2 years ago
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9 | |
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gcc .data and .bss address space
What is the compiler option and/or directive to change the "Addr" field of elf file? If i use: .bss .data .org 0x100000 it simply increase the "Off" and create a huge file. The chip's ram is at...
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2 years ago
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"Appliance" updates
How often -- and for how long -- do folks find consumer "appliances" (TVs, DVRs, phones, etc.) being actively updated? How prevalent is the "if you want newer firmware, buy a new product" attitude?
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2 years ago
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ST Cube IDE - where is GDB server logging level set?
This bit I posted this on the ST forums and the reply doesn't work, and that's the end of it - the place gets so many posts, mostly never solved... Clearly there are multiple configs for this around...
4
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2 years ago
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How to change stm32 m4 adc channel?
Does anyone know how to do it in register level? I see many code examples using: ADC_ChannelConfTypeDef sConfig = {ADC_CHANNEL_0, 1, ADC_SAMPLETIME_28CYCLES}; HAL_ADC_ConfigChannel(&hadc1, &sConfig);...
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2 years ago
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Are there any ST 32F417 / Cube IDE / STLINK / C developers on here?
I am working on a project and need a bit of help here and there. I am working on it with someone who knows a lot more than I do but he is available only 1 day a week, so instead of posting questions...
7
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2 years ago
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7 | |
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C++, Ada, ...
What do you think about different languages than usual C for embedded systems? I mean C++, Ada but also Python. Always more powerful embedded processors are coming, so I expect new and modern...
55
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2 years ago
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55 | |
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Arm registers
Arm Cortex assembley code Does the Arm Cortex support both the "thumb" 16 bit machine codes and also the 32 bit codes? I had been under the impression that Cortex devices only provided the thumb codes...
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2 years ago
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Static analysis tool?
Perhaps someone here can help... I'm doing a presentation on techniques for embedded, especially removing and keeping out bugs ;-) Using an example project from last year. A reviewer of my first draft...
14
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2 years ago
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Using C preproc to uniquely identify structure members
I could use some advice for a problem that I've had on my mind for years. I'm looking for a black box function that will examine a memory block of a known structure and output a list of IDs that point...
11
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2 years ago
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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 as to terms (despite the fact that I explicitly define them! :< ) All seem to...
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2 years ago
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Multi-master RS485
Are there any *real* implementation of multi-master half-duplex RS485 bus? I often use half-duplex RS485 and I always use a master-slave polling protocol. This choice dramatically reduce the...
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3 years ago
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Linux embedded and direction control of RS485 transceiver
I have an half-duplex RS485 bus with 10-20 different nodes. Some of them are 8-bit MCU based, one of them could be Linux embedded. It's half-duplex, so it's important for the transmitter node to...
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3 years ago
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