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Atmel SAM V71 - reading and writing non-volatile settings in Flash
Hi all I am working on an application (based on Atmel START) with the SAM V71 Xplained board and things are running quite fine.   Now I am trying to use internal Flash...
Friday, 25 January 2019 - 13:36
Identifying SMD diode "ST BBL Z107"
Hi, I need help identifying an SMD diode on a PCB. The marking is: ST ??? BBL Z107   where "ST" is the ST Microelectronics logo. The "???" is some symbols that resemble "e3 6...
Monday, 15 October 2018 - 19:24
Stringify complex expression
Greetings I have a problem with stringification of a pre-processor macro.   #define FAST_SIN_PHASE_RESOLUTION 1024 #define PZT_TICK_FREQ_TO_FASTSIN_RES_SHIFTS...
Tuesday, 20 June 2017 - 08:32
assert() gives me "incompatible implicit declaration of built-in function 'abort'"
I am trying to use the assert() function from assert.h in my code:   #include <assert.h> // ... char txok; // ... assert(txok);When I compile, I get this error:...
Friday, 19 August 2016 - 10:03
Want error instead of warning "assignment makes pointer from integer without a cast"
I am using Atmel Studio 6.0 (with AVR-GCC) and discovered that this code will give a warning: uint8_t *tx_len; tx_len = 20;  The warning is "assignment makes pointer from...
Wednesday, 17 August 2016 - 10:52
Problem registering at savannah.gnu.org
I tried to register at savannah.gnu.org twice, but I haven't got any confirmation email (I used my hotmail account). Checked the junk folder just in case, but no email there. Also...
Saturday, 18 December 2010 - 15:12
How to check loss of precision using pre-processor?
This should be a common task, but I couldn't find any information in the forum (quick search only). In my C code I declare a timer overflow frequency using: #define...
Thursday, 25 November 2010 - 10:59
OK to sei() in SIGNAL function?
In one of my SIGNAL functions I need to enable interrupts for around 1 second. Is that allowed? Seems like it's not working properly...
Sunday, 22 January 2006 - 22:03
Programmers Notepad output window disappeared
Hi everybody I accidentally click-dragged the output window out of the PN window, and it disappeared. I cannot get it back! :-( Pressing F8 makes the PN window inactive, as if...
Tuesday, 3 January 2006 - 01:53
yes, it is another lookup table question
I want a table with unsigned int's in program memory. This is how I declare it: #define baud38400 12 #define baud19200 25 #define baud9600 51 #define baud4800 103 #define...
Sunday, 6 November 2005 - 20:15
Clamping current
Does anyone the max allowed current through the clamping diodes of the ATmega8 (or any other AVR)?
Monday, 24 October 2005 - 13:52
Strange RS232 stuff
I just discovered that the stuff sent through the serial port of my laptop behaves really strange. I use Hyperterminal, and a USB-to-RS232 adapter. I have an oscilloscope...
Sunday, 23 October 2005 - 10:12