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Results tagged with embedded
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user 76449
An embedded system is a computer system designed to perform one or a few dedicated functions, often with real-time computing constraints. It is embedded as part of a complete device often including hardware and mechanical parts.
3
votes
Accepted
SPI interface returns only ones (0xFF)
It turned out that I was misinformed about the chip select pin of the ADC. Changing spidev child node's reg value to 1 solved the problem. Final parameters I use are:
./spi_d -D /dev/spidev0.1 -b 16 …
- 179
1
vote
3
answers
6k
views
SPI interface returns only ones (0xFF)
I'm trying to register an SPI device to my Angstrom Linux (kernel version 3.10) in order to use an ADC chip (LTC2258) for my custom board. Processor that I2m using is Cyclone V, and FPGA handoffs seem …
- 179
1
vote
Accepted
A Guaranteed Way to Corrupt SD Card
I've achieved my goal with this combination:
A relay to simulate hard reset (power off) for the embedded Linux board. …
- 179
2
votes
4
answers
2k
views
A Guaranteed Way to Corrupt SD Card
I am working on an embedded Linux project that it is important to be sure that the file system won't be destroyed when some unexpected thing occurs (e.g., power failure during a write operation on SD Card …
- 179