Latest threads in Embedded Programmingshow only best voted threads
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STMicroelectronics Introduces ST SPEAr1310 Microcontroller with Dual-Core Cortex
This has dual ARM Cortex-A9 cores and a DDR3 memory interface. Also, multiple Ethernet interfaces, three USB ports, CAN, I2C, touchscreen interface, and a bunch of other stuff. From...
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13 years ago
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Start Frame Delimiter
Hi All, I would like to understand the real importance of "start frame delimitor" in a wireless protocol. Especially why do we need a fixed pattern like SFD when we already do some pattern matching to...
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13 years ago
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CAN functional test
Hi, I'm preparing a end of production test for a board. The test will be semi automatic, there will be a guy that push some buttons and turn some poti. On the board I have rs232 an CAN communication....
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13 years ago
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PHY Problems
Hi All I'm having trouble configuring a PHY and I'm not sure if the problem is the software or the hardware. I have two boards: 1) IAR NXP2468 (Arm-based) dev-kit using a DP8348 PHY in RMII mode. 2)...
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13 years ago
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Wayyyyy OT: Flavorings
Hi, I'm looking for ideas on good "complementary" flavorings to pair with *coconut* in ice cream. Keep in mind the nature of the tastes -- as well as textures. E.g., "coconut - banana" wouldn't fare...
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13 years ago
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Problems with VHDL lookup table in Quartus
Hi, I'm trying to debug a Cyclone design which writes values taken from a lookup table to the address inputs of a crosspoint analog switch. The problem is that everything looks OK in the Quartus...
2
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13 years ago
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DSS Interface
We happen to be doing an upgrade to an existing card I am selling a customer and they are asking about the feasibility of providing a DSS interface (56 kbps AMI encoding). Their thought was to use the...
2
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13 years ago
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Fibre Optic Cable Linking
I am looking for reference materials and design ideas for implementing a customized high speed synchronous serial communications solution over a fiber optic cable pair (one for Rx and the other for...
4
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13 years ago
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32 bit USB uC in 48pins
We are evaluating low end 32 bit USB (device only) uCs. Ideally, we want 64K flash and 30 I/Os in 48 pins. So far, these are possible choices: Are there any other we should like into? AT32UC3B164 64K...
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13 years ago
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What might be the meaning of 10-tooth machine?
Following is a link to a typical machine. What might be the meaning of by 10-tooth machine? Is it the teeth on the gears? --------------------------------------- Posted through
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13 years ago
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lex/yacc efficiency tradeoffs
Hi, Does anyone have any rule-of-thumb guidelines for the relative efficiencies of doing promotions in the lexer vs the formal grammar? Both in terms of time and space? E.g., imagine: [1-9][0-9]{2,4}...
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13 years ago
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Data transfer via ezusb.sys
Hi everyone, I'm using driver to send data to CY7C68013A chip (BULK TRANSFER). Suppose i need to send 4 i need to add additional 508 zero bytes to packet when i'm using DeviceIoControl with...
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13 years ago
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Migrating from PIC18 to ARM: which MCU to choose?
We have a product based around the PIC18F6680 which is now becoming a rare and expensive part. Since it looks like ARM devices are winning the popularity war, the chips are cheap and plentiful. The...
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13 years ago
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Black box inventor David Warren dies at 85
Black box inventor David Warren dies at 85 July 22nd, 2010 THE TERRITORY-born inventor of the black box flight recorder has died. David Warren died, aged 85, at a Melbourne nursing home on Monday. He...
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13 years ago
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Drilling through firewalls
Hi, I'm looking for ideas on ways to subvert firewalls for short messages. I.e., passing what *appears* to be *legitimate* traffic through a (properly configured) firewall that is, in fact, *not*...
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13 years ago
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