arduino.h
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00001 00008 #ifndef _ARDUINO_H 00009 #define _ARDUINO_H 00010 00011 #include <avr/io.h> 00012 00013 /* 00014 utility functions 00015 */ 00016 00017 #ifndef MASK 00018 00019 #define MASK(PIN) (1 << PIN) 00020 #endif 00021 00022 /* 00023 magic I/O routines 00024 00025 now you can simply SET_OUTPUT(STEP); WRITE(STEP, 1); WRITE(STEP, 0); 00026 */ 00027 00029 #define _READ(IO) (IO ## _RPORT & MASK(IO ## _PIN)) 00030 00031 #define _WRITE(IO, v) do { if (v) { IO ## _WPORT |= MASK(IO ## _PIN); } else { IO ## _WPORT &= ~MASK(IO ## _PIN); }; } while (0) 00032 00033 #define _TOGGLE(IO) do { IO ## _RPORT = MASK(IO ## _PIN); } while (0) 00034 00036 #define _SET_INPUT(IO) do { IO ## _DDR &= ~MASK(IO ## _PIN); } while (0) 00037 00038 #define _SET_OUTPUT(IO) do { IO ## _DDR |= MASK(IO ## _PIN); } while (0) 00039 00041 #define _GET_INPUT(IO) ((IO ## _DDR & MASK(IO ## _PIN)) == 0) 00042 00043 #define _GET_OUTPUT(IO) ((IO ## _DDR & MASK(IO ## _PIN)) != 0) 00044 00045 // why double up on these macros? see http://gcc.gnu.org/onlinedocs/cpp/Stringification.html 00046 00048 #define READ(IO) _READ(IO) 00049 00050 #define WRITE(IO, v) _WRITE(IO, v) 00051 00052 #define TOGGLE(IO) _TOGGLE(IO) 00053 00055 #define SET_INPUT(IO) _SET_INPUT(IO) 00056 00057 #define SET_OUTPUT(IO) _SET_OUTPUT(IO) 00058 00060 #define GET_INPUT(IO) _GET_INPUT(IO) 00061 00062 #define GET_OUTPUT(IO) _GET_OUTPUT(IO) 00063 00064 /* 00065 ports and functions 00066 00067 added as necessary or if I feel like it- not a comprehensive list! 00068 */ 00069 00070 #if defined (__AVR_ATmega168__) || defined (__AVR_ATmega328__) || defined (__AVR_ATmega328P__) 00071 #include "arduino_168_328p.h" 00072 #endif /* _AVR_ATmega{168,328,328P}__ */ 00073 00074 #if defined (__AVR_ATmega644__) || defined (__AVR_ATmega644P__) || defined (__AVR_ATmega644PA__) 00075 #include "arduino_644.h" 00076 #endif /* _AVR_ATmega{644,644P,644PA}__ */ 00077 00078 #if defined (__AVR_ATmega1280__) 00079 #include "arduino_1280.h" 00080 #endif /* __AVR_ATmega1280__ */ 00081 00082 #if defined (__AVR_ATmega2560__) 00083 #include "arduino_1280.h" //2560 has the same pins and ports so we can reuse the 1280 file. 00084 #endif 00085 00086 #if defined (__AVR_AT90USB1287__) 00087 #include "arduino_usb1287.h" 00088 #endif 00089 00090 #ifndef DIO0_PIN 00091 #error pins for this chip not defined in arduino.h! If you write an appropriate pin definition and have this firmware work on your chip, please tell us via the forum thread 00092 #endif 00093 00094 #endif /* _ARDUINO_H */
