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Arduino dictionary ? Where can I get a dictionary of Arduino speech ? E.g. what means shield, sketch and so on. I fear, it's not related to fighting or laughing. And why Arduino use a different speech... |
Tue. Feb 26, 2013 - 01:48 PM |
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ATmega1284: only one timer 16bit ? The ATmega1284P was the first. Now the new ATmega1284 was available. But it seems, there is a big difference, it lost one timer. :!: On the data sheet, there was a very hidden... |
Thu. Jun 28, 2012 - 12:57 PM |
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[C] [UTIL] Efficient 64 bit support Sometimes you need more accuracy and thus want to use 64 bit variables. Unfortunately the AVR-GCC implementation was very huge and slow. On the web you can found several code... |
Tue. Nov 8, 2011 - 09:35 PM |
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key states naming convention I want to define the 4 different key states: 1. the key changes from release to pressed 2. the key was held down 3. the key changes from pressed to released 4. the key was in the... |
Fri. Aug 12, 2011 - 10:24 AM |
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WINAVR - 20100110, critical bugs known ? Is there a way to see, if critical bugs are present on the actual WINAVR - 20100110 ? - AVR GNU Compiler Collection (GCC) 4.3.3 - avr-libc 1.6.7cvs I meant such bugs, which cause... |
Mon. May 30, 2011 - 09:35 AM |
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[TUT][C] LCD Tutorial 1001 Tutorial for HD44780-LCD and similar. Following an easy, universal and code saving example. 1. There are different ways to control the LCD. You can use the 8bit mode with busy... |
Sun. Jan 16, 2011 - 06:48 PM |
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The reverse volatile pitfall ! I observed, that the volatile pitfall not only exist on reading a variable in main from an interrupt. Also the writing inside main was rejected: #include uint8_t val; ISR(... |
Mon. Jan 10, 2011 - 01:33 PM |
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AVR-GCC: bug or my fault? AVR-GCC 4.3.3 (WINAVR): #include uint8_t data( void ) { return PINB; } uint32_t wrong( void ) { return (uint32_t)(data() << 8); } uint32_t right( void ) {... |
Wed. Jul 7, 2010 - 08:32 AM |
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[TUT] [C] Smart EEPROM usage Reading the EEPROM need longer than reading the SRAM. Writing the EEPROM need over 1000 times longer and was also limited in count. Thus I use always the follwing approach: I... |
Sun. Mar 21, 2010 - 08:55 PM |
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[TUT] [C] Easy bit fiddling We all know, how a port pin can be cleared: PORTB &= ~(1<<PB3); But then it can happen, that we make mistakes, e.g.: PORTB &= ~1<<PB3; // forget... |
Sun. Mar 21, 2010 - 06:51 PM |
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Quiz of the week: limit a value A very common task was to adjust a value with an encoder: uint16_t adjust( uint16_t val, int8_t delta ) { return val + delta; } The encoder gives the changing step (-128... |
Tue. Oct 27, 2009 - 05:30 PM |
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Strange disoptimization on AVR-GCC 4.3.0 I tried this code: #include #define TIME 0x0100 ISR( INT0_vect ) { int16_t x = TCNT1; x -= TIME / 2; if( x... |
Wed. Feb 11, 2009 - 09:08 AM |