microcontroller

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Concurrent access to struct member

I\'m using 32-bit microcontroller (STR91x). I\'m concurrently accessing (from ISR and main loop) struct member of type enum. Access is limited to writing to that enum field in the ISR and checking in[详细]

2023-01-13 02:41 分类：问答
what is/where can i find more info on "HI2COUT"

looking to bit-bang the I2C interface of a MCP23017 with an ATtiny13A, a lot of places mention HI2COUT as a method to send data on the I2C bus but i have no clue if this is part of a language or a Lib[详细]

2023-01-12 04:16 分类：问答
TCP vs UDP for Microprocessor Communication

I am using TCP for communicating with an arduino (just open a socket and wait for a connection)using an ethernet shield, While watching开发者_开发问答/reading about various other project that use some[详细]

2023-01-10 23:38 分类：问答
Triple Play Test using PIC24 micro-controller

Can anybody suggest me if I can program my device as Triple-Play-Te开发者_开发百科ster? My device has PIC24 processor and ENC28J60 chip. I am thinking can my micro-controller process the packets and m[详细]

2023-01-10 17:45 分类：问答
What is difference between MSP430 and MSP430X?

开发者_StackOverflow社区Any comparison table available?The basic change for the 430X architecture was to introduce a 20 bit address range to allow addressing outside the 64K available on the original[详细]

2023-01-10 08:31 分类：问答
Why Bitshift operators?

I dont understand when and why you would use bitshift operators for microchip programming: for example...[详细]

2023-01-09 20:52 分类：问答
Is there any C standard for microcontrollers?

Is there any special C standard for microcontrollers? I ask because so far when I programmed something under Windows OS, it doesn\'t matter which compiler I used. If I had a compiler for C99, I knew[详细]

2023-01-08 08:40 分类：问答
Access to two variables safely when an interrupt might occur between them

First of all I\'d welcome edits to the title of this question, I couldn\'t think how to word it better but I\'m not too happy with what I came up with.[详细]

2023-01-07 23:59 分类：问答
Why does avr-gcc bother to save the register state when calling main()?

The main() function in an avr-gcc program saves the register state on the stack, but when the runtime calls it I understand on a microcontroller there isn\'t anything to return to. Is this a waste of[详细]

2023-01-07 00:09 分类：问答
How can I interface an ARM chip with an external memory chip?

I have finished a project using an LPC2132 and quickly ran into problems with not having enough RAM (64k).[详细]

2023-01-04 10:02 分类：问答