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GCC - option to print all defined macros
This is a branch from topic "how to start writing in the end of an existing file? (SD Card)".   skeeve wrote: IIRC gcc has an option that will tell it to print all defined...
Saturday, 17 September 2016 - 22:07
BNC input with 600 Ohm termination - How to drive?
I have a BK Precission 1856D Frequency Counter.  It has a BNC input connector for a 10MHz external reference frequency input.  The input is terminated with 600 Ohms....
Thursday, 23 June 2016 - 02:05
Interrupt Timing Conundrum
I'm having difficulty understanding the timing of an ISR. I'm using Timer/Counter0 to both toggle OC0A output and generate an interrupt. The ISR toggles output pin D2 while a...
Monday, 13 January 2014 - 05:03
[TUT] Deleting Old COM Ports in Windows 7
When working with USB Serial Adapters or other devices that appear as USB Virtual Serial Ports, it's not unusual to end up with a large number of COM ports that are listed as "In...
Monday, 10 June 2013 - 03:49
Resistor voltage divider vs. temperature
Take a simple voltage divider composed of R1 and R2: Vout = V(R2/(R1 + R2)) How much would the output vary with temperature if each resistor was spec'd at +/- 100ppm/degree? In...
Tuesday, 8 January 2013 - 06:55
Can't find DIDR1 register in AT90USB162
I'm using an AT90USB162 and want to use the built-in comparator. The datasheet says that there is a register "Digital Input Disable Registers (DIDR1)" to disable the digital...
Monday, 4 June 2012 - 07:09
[Solved] In Studio5, is char signed or unsigned?
Edit: Solved I'm using an external makefile - a modified version taken from the LUFA VirtualSerial demo. It uses the compiler option: "CFLAGS += -funsigned-char" which tells the...
Wednesday, 18 April 2012 - 09:27
[Tut][C][Code] LUFA & Studio5 - Beginner's Guide, Part 3
LUFA & Studio5 - Beginner's Guide, Part 3: Create New Project with USB CDC Connectivity   In Part 3, we create a Studio5 New Project and use LUFA to add USB CDC...
Saturday, 14 April 2012 - 23:12
[Tut][C][Code] LUFA & Studio5 - Beginner's Guide, Part 2
LUFA & Studio5 - Beginner's Guide, Part 2: Modifying VirtualSerial for OLIMEX162 Board In Part 2, the Studio5 project that was built in Part 1 will be modified to work with...
Tuesday, 27 March 2012 - 04:34
LUFA & ManufacturerString
I programmed a board using LUFA VirtualSerial. In Descriptors.c, the ManufacturerString = "Dean Camera" but when I examine the COM port I see "Manufacturer: http://www.lufa-lib....
Friday, 23 March 2012 - 20:28
LUFA USB CDC - Detect when host application connects
Using LUFA to create a virtual serial connection to the host computer. Is it possible for the microcontroller to detect when a host application makes a connection? For example,...
Tuesday, 20 March 2012 - 03:12
[Tut] LUFA & Studio5 - Beginner's Guide, Part 1
LUFA & Studio5 - Beginner's Guide Part 1 "“ Compiling the VirtualSerial Demo. I had a somewhat difficult time getting started using Studio5 to compile the VirtualSerial demo...
Friday, 16 March 2012 - 03:30

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