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authorDavid A. Mellis <d.mellis@arduino.cc>2011-03-01 20:00:16 -0500
committerDavid A. Mellis <d.mellis@arduino.cc>2011-03-01 20:00:16 -0500
commit218eb5e80706b53c691da133461830c895e0c8ff (patch)
tree3158c57f7e0538cbcd6b338cea2acc22b34d8ac6 /cores/arduino/Arduino.h
parente009c5c6c61da7dcf2683a75e7b17ea4fb3c6e2d (diff)
Moving wiring.h contents into Arduino.h.
Diffstat (limited to 'cores/arduino/Arduino.h')
-rwxr-xr-xcores/arduino/Arduino.h202
1 files changed, 173 insertions, 29 deletions
diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h
index ceaa560..213f623 100755
--- a/cores/arduino/Arduino.h
+++ b/cores/arduino/Arduino.h
@@ -7,7 +7,179 @@
#include <avr/interrupt.h>
-#include "wiring.h"
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <stdlib.h>
+#include "binary.h"
+#include "pins_arduino.h"
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#define HIGH 0x1
+#define LOW 0x0
+
+#define INPUT 0x0
+#define OUTPUT 0x1
+
+#define true 0x1
+#define false 0x0
+
+#define PI 3.1415926535897932384626433832795
+#define HALF_PI 1.5707963267948966192313216916398
+#define TWO_PI 6.283185307179586476925286766559
+#define DEG_TO_RAD 0.017453292519943295769236907684886
+#define RAD_TO_DEG 57.295779513082320876798154814105
+
+#define SERIAL 0x0
+#define DISPLAY 0x1
+
+#define LSBFIRST 0
+#define MSBFIRST 1
+
+#define CHANGE 1
+#define FALLING 2
+#define RISING 3
+
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#define INTERNAL1V1 2
+#define INTERNAL2V56 3
+#else
+#define INTERNAL 3
+#endif
+#define DEFAULT 1
+#define EXTERNAL 0
+
+// undefine stdlib's abs if encountered
+#ifdef abs
+#undef abs
+#endif
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+#define abs(x) ((x)>0?(x):-(x))
+#define constrain(amt,low,high) ((amt)<(low)?(low):((amt)>(high)?(high):(amt)))
+#define round(x) ((x)>=0?(long)((x)+0.5):(long)((x)-0.5))
+#define radians(deg) ((deg)*DEG_TO_RAD)
+#define degrees(rad) ((rad)*RAD_TO_DEG)
+#define sq(x) ((x)*(x))
+
+#define interrupts() sei()
+#define noInterrupts() cli()
+
+#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L )
+#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) )
+#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L )
+
+#define lowByte(w) ((uint8_t) ((w) & 0xff))
+#define highByte(w) ((uint8_t) ((w) >> 8))
+
+#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
+#define bitSet(value, bit) ((value) |= (1UL << (bit)))
+#define bitClear(value, bit) ((value) &= ~(1UL << (bit)))
+#define bitWrite(value, bit, bitvalue) (bitvalue ? bitSet(value, bit) : bitClear(value, bit))
+
+
+typedef unsigned int word;
+
+#define bit(b) (1UL << (b))
+
+typedef uint8_t boolean;
+typedef uint8_t byte;
+
+void init(void);
+
+void pinMode_lookup(uint8_t, uint8_t);
+void digitalWrite_lookup(uint8_t, uint8_t);
+int digitalRead_lookup(uint8_t);
+int analogRead(uint8_t);
+void analogReference(uint8_t mode);
+void analogWrite(uint8_t, int);
+
+unsigned long millis(void);
+unsigned long micros(void);
+void delay(unsigned long);
+void delayMicroseconds(unsigned int us);
+unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout);
+
+void shiftOut(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder, uint8_t val);
+uint8_t shiftIn(uint8_t dataPin, uint8_t clockPin, uint8_t bitOrder);
+
+void attachInterrupt(uint8_t, void (*)(void), int mode);
+void detachInterrupt(uint8_t);
+
+void setup(void);
+void loop(void);
+
+/*
+ * Check if a given pin requires locking.
+ * When accessing lower 32 IO ports we can use SBI/CBI instructions, which are atomic. However
+ * other IO ports require load+modify+store and we need to make them atomic by disabling
+ * interrupts.
+ */
+INLINED int portWriteNeedsLocking(uint8_t pin)
+{
+ /* SBI/CBI instructions only work on lower 32 IO ports */
+ if (inlined_portOutputRegister(inlined_digitalPinToPort(pin)) > (volatile uint8_t*)&_SFR_IO8(0x1F)) {
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * These functions will perform OR/AND on a given register, and are atomic.
+ */
+extern void __digitalWriteOR_locked(volatile uint8_t*out, uint8_t bit);
+extern void __digitalWriteAND_locked(volatile uint8_t*out, uint8_t bit);
+
+INLINED void digitalWrite(uint8_t pin, uint8_t value)
+{
+ if (__builtin_constant_p(pin)) {
+ if (portWriteNeedsLocking(pin)) {
+ if (value==LOW) {
+ __digitalWriteAND_locked(inlined_portOutputRegister(inlined_digitalPinToPort(pin)),~inlined_digitalPinToBitMask(pin));
+ } else {
+ __digitalWriteOR_locked(inlined_portOutputRegister(inlined_digitalPinToPort(pin)),inlined_digitalPinToBitMask(pin));
+ }
+ } else {
+ if (value==LOW) {
+ *inlined_portOutputRegister(inlined_digitalPinToPort(pin)) &= ~(inlined_digitalPinToBitMask(pin));
+ } else {
+ *inlined_portOutputRegister(inlined_digitalPinToPort(pin)) |= inlined_digitalPinToBitMask(pin);
+ }
+ }
+ } else {
+ digitalWrite_lookup(pin,value);
+ }
+}
+
+INLINED void pinMode(uint8_t pin, uint8_t mode)
+{
+ if (__builtin_constant_p(pin)) {
+ if (mode==INPUT) {
+ *inlined_portModeRegister(inlined_digitalPinToPort(pin)) &= ~(inlined_digitalPinToBitMask(pin));
+ } else {
+ *inlined_portModeRegister(inlined_digitalPinToPort(pin)) |= inlined_digitalPinToBitMask(pin);
+ }
+ } else {
+ pinMode_lookup(pin,mode);
+ }
+}
+
+INLINED int digitalRead(uint8_t pin)
+{
+ if (__builtin_constant_p(pin)) {
+ return !! *inlined_portInputRegister(inlined_digitalPinToPort(pin));
+ } else {
+ return digitalRead_lookup(pin);
+ }
+}
+
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
#ifdef __cplusplus
#include "WCharacter.h"
@@ -30,34 +202,6 @@ long random(long, long);
void randomSeed(unsigned int);
long map(long, long, long, long, long);
-#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
-const static uint8_t A0 = 54;
-const static uint8_t A1 = 55;
-const static uint8_t A2 = 56;
-const static uint8_t A3 = 57;
-const static uint8_t A4 = 58;
-const static uint8_t A5 = 59;
-const static uint8_t A6 = 60;
-const static uint8_t A7 = 61;
-const static uint8_t A8 = 62;
-const static uint8_t A9 = 63;
-const static uint8_t A10 = 64;
-const static uint8_t A11 = 65;
-const static uint8_t A12 = 66;
-const static uint8_t A13 = 67;
-const static uint8_t A14 = 68;
-const static uint8_t A15 = 69;
-#else
-const static uint8_t A0 = 14;
-const static uint8_t A1 = 15;
-const static uint8_t A2 = 16;
-const static uint8_t A3 = 17;
-const static uint8_t A4 = 18;
-const static uint8_t A5 = 19;
-const static uint8_t A6 = 20;
-const static uint8_t A7 = 21;
-#endif
-
#endif
#endif \ No newline at end of file