Latest threads in Embedded Programmingshow only best voted threads
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FSM - Mealy vs. Moore
I'm discussing Finite State Machine (FSM) design in logic with some hardwar e folks and I thought I'd ask what a software community thinks. Moore - outputs are only a function of the state. Mealy -...
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4 years ago
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Remove unused data from the build output
I have defined a myassert(char *module, int line) function that uses the arguments only in Debug build. myassert() is defined in myassert.c and declared in myassert.h. In myassert.h there's also a...
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4 years ago
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PJRC Teensy 4.0 announced, small 600 mhz Cortex M7 board
In case anyone cares about this sort of thing. I find it cool. Teensy 4.0 is announced: - NXP iMXRT1062 Cortex M7 MCU, 1024k ram (512k tightly coupled, i.e. on a special fast internal bus that allows...
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4 years ago
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Examples for tklib's diagram package?
Hello out there, I am tasked to create a 'block diagram editor' and looking at tklib's diagram package it looks like maybe the right choice to start with. It would help a lot if I could look at some...
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4 years ago
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External SPI Flash for storing data
I have a board with Cortex-M3 NXP LPC1875 MCU with 512kB internal Flash, one 8MB external SDRAM and 2MB external SPI Flash. The external Flash is connected to a normal SPI, not SPIFI (in other words,...
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4 years ago
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Dynamic allocation and newlib-nano
I normally don't use dynamic allocation in embedded projects, however there are situations where this isn't possible. I'm working on a project with LPC1768 Cortex-M3 MCU that features 32kB+32kB RAM....
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4 years ago
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Boeing 737 Max software fix fails... again
Just when you thought it was safe to fly again... It make me think that every time you add code to close a loop-hole, you open new, smaller loopholes around the boundaries. Clifford Heath.
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4 years ago
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GE Smart Light Bulb reset
It took a very long time to realise that this wasn't a bad parody. If you were the engineer who implemented this, kill yourself. It's not a sin; you have no soul anyway.
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4 years ago
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Anybody here using STM32F4xx parts ?
Using the STM32F443 Cortex M4 with DMA2 feeding TIM1 and TIM8 CCRx registers for PWM generation. Curious if anybody here is using these parts as well ? boB
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4 years ago
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Data serialization for embedded platforms: ASN.1, JSON, Protocol Buffers....
It's a long time I work with embedded platforms, however I never used a well-defined and "standard" data serialization format. I often had the need to exchange data between platforms (Wifi, Ethernet,...
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4 years ago
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H8S2676 faulty chips
We use the Hitachi H8S2676 chip in one of our products and a while ago Rene sas told us the chip was going out of production. Someone here forgot to d o a lifetime buy from them in time but we...
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4 years ago
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Static JSON parser for embedded
Maybe in this group someone could be interested.
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4 years ago
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68360 QUICC debugging
I'm working with a very old 68360 based embedded system running from flash ROM based on pSOS+ RTOS, and need to debug. The BDM cannot do hardware breakpoints while running from ROM and thus I'm...
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4 years ago
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Why UART data is getting corrupted?
I'm getting a strange issue. We have a Atmega 128 controller board that kee ps on polling 15 Atmega8 based ultrasonic sensors. They are connected in RS 422 model where all Tx pins of 15 sensors are...
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4 years ago
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How to protect signals from MCU
I need to connect some signals (around 10) coming from an MCU to another MCU/logic IC far away round 1 meter. They are on different PCBs (and different metallic cases). The connectors between the...
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4 years ago
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