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-rwxr-xr-xcores/arduino/WInterrupts.c18
-rwxr-xr-xcores/arduino/pins_arduino.c20
-rwxr-xr-xcores/arduino/wiring.c34
-rwxr-xr-xcores/arduino/wiring_analog.c14
-rwxr-xr-xcores/arduino/wiring_digital.c6
-rwxr-xr-xcores/arduino/wiring_serial.c44
6 files changed, 68 insertions, 68 deletions
diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index 21ebe62..bcee7b7 100755
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -35,9 +35,9 @@
volatile static voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
// volatile static voidFuncPtr twiIntFunc;
-#if defined(__AVR_ATmega168__)
-#define MCUCR EICRA
-#define GICR EIMSK
+#if defined(__AVR_ATmega8__)
+#define EICRA MCUCR
+#define EIMSK GICR
#endif
void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
@@ -49,13 +49,13 @@ void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
// edge, or falling edge). The mode constants were chosen to correspond
// to the configuration bits in the hardware register, so we simply shift
// the mode into place.
- MCUCR = (MCUCR & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
+ EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
// Enable the interrupt.
- GICR |= (1 << INT0);
+ EIMSK |= (1 << INT0);
} else {
- MCUCR = (MCUCR & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
- GICR |= (1 << INT1);
+ EICRA = (EICRA & ~((1 << ISC10) | (1 << ISC11))) | (mode << ISC10);
+ EIMSK |= (1 << INT1);
}
}
}
@@ -64,9 +64,9 @@ void detachInterrupt(uint8_t interruptNum) {
if(interruptNum < EXTERNAL_NUM_INTERRUPTS) {
if (interruptNum == 0)
// Disable the interrupt.
- GICR &= ~(1 << INT0);
+ EIMSK &= ~(1 << INT0);
else
- GICR &= ~(1 << INT1);
+ EIMSK &= ~(1 << INT1);
intFunc[interruptNum] = 0;
}
diff --git a/cores/arduino/pins_arduino.c b/cores/arduino/pins_arduino.c
index 3ef07b6..ef3f168 100755
--- a/cores/arduino/pins_arduino.c
+++ b/cores/arduino/pins_arduino.c
@@ -134,28 +134,28 @@ const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
NOT_ON_TIMER,
NOT_ON_TIMER,
// on the ATmega168, digital pin 3 has hardware pwm
-#if defined(__AVR_ATmega168__)
- TIMER2B,
-#else
+#if defined(__AVR_ATmega8__)
NOT_ON_TIMER,
+#else
+ TIMER2B,
#endif
NOT_ON_TIMER,
// on the ATmega168, digital pins 5 and 6 have hardware pwm
-#if defined(__AVR_ATmega168__)
- TIMER0B,
- TIMER0A,
-#else
+#if defined(__AVR_ATmega8__)
NOT_ON_TIMER,
NOT_ON_TIMER,
+#else
+ TIMER0B,
+ TIMER0A,
#endif
NOT_ON_TIMER,
NOT_ON_TIMER, /* 8 - port B */
TIMER1A,
TIMER1B,
-#if defined(__AVR_ATmega168__)
- TIMER2A,
-#else
+#if defined(__AVR_ATmega8__)
TIMER2,
+#else
+ TIMER2A,
#endif
NOT_ON_TIMER,
NOT_ON_TIMER,
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c
index 31e0247..19f348c 100755
--- a/cores/arduino/wiring.c
+++ b/cores/arduino/wiring.c
@@ -130,23 +130,23 @@ void init()
// on the ATmega168, timer 0 is also used for fast hardware pwm
// (using phase-correct PWM would mean that timer 0 overflowed half as often
// resulting in different millis() behavior on the ATmega8 and ATmega168)
-#if defined(__AVR_ATmega168__)
+#if !defined(__AVR_ATmega8__)
sbi(TCCR0A, WGM01);
sbi(TCCR0A, WGM00);
#endif
// set timer 0 prescale factor to 64
-#if defined(__AVR_ATmega168__)
- sbi(TCCR0B, CS01);
- sbi(TCCR0B, CS00);
-#else
+#if defined(__AVR_ATmega8__)
sbi(TCCR0, CS01);
sbi(TCCR0, CS00);
+#else
+ sbi(TCCR0B, CS01);
+ sbi(TCCR0B, CS00);
#endif
// enable timer 0 overflow interrupt
-#if defined(__AVR_ATmega168__)
- sbi(TIMSK0, TOIE0);
-#else
+#if defined(__AVR_ATmega8__)
sbi(TIMSK, TOIE0);
+#else
+ sbi(TIMSK0, TOIE0);
#endif
// timers 1 and 2 are used for phase-correct hardware pwm
@@ -161,16 +161,16 @@ void init()
sbi(TCCR1A, WGM10);
// set timer 2 prescale factor to 64
-#if defined(__AVR_ATmega168__)
- sbi(TCCR2B, CS22);
-#else
+#if defined(__AVR_ATmega8__)
sbi(TCCR2, CS22);
+#else
+ sbi(TCCR2B, CS22);
#endif
// configure timer 2 for phase correct pwm (8-bit)
-#if defined(__AVR_ATmega168__)
- sbi(TCCR2A, WGM20);
-#else
+#if defined(__AVR_ATmega8__)
sbi(TCCR2, WGM20);
+#else
+ sbi(TCCR2A, WGM20);
#endif
// set a2d prescale factor to 128
@@ -187,9 +187,9 @@ void init()
// the bootloader connects pins 0 and 1 to the USART; disconnect them
// here so they can be used as normal digital i/o; they will be
// reconnected in Serial.begin()
-#if defined(__AVR_ATmega168__)
- UCSR0B = 0;
-#else
+#if defined(__AVR_ATmega8__)
UCSRB = 0;
+#else
+ UCSR0B = 0;
#endif
} \ No newline at end of file
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c
index de0372e..f3767d2 100755
--- a/cores/arduino/wiring_analog.c
+++ b/cores/arduino/wiring_analog.c
@@ -87,7 +87,13 @@ void analogWrite(uint8_t pin, int val)
sbi(TCCR1A, COM1B1);
// set pwm duty
OCR1B = val;
-#if defined(__AVR_ATmega168__)
+#if defined(__AVR_ATmega8__)
+ } else if (digitalPinToTimer(pin) == TIMER2) {
+ // connect pwm to pin on timer 2, channel B
+ sbi(TCCR2, COM21);
+ // set pwm duty
+ OCR2 = val;
+#else
} else if (digitalPinToTimer(pin) == TIMER0A) {
if (val == 0) {
digitalWrite(pin, LOW);
@@ -116,12 +122,6 @@ void analogWrite(uint8_t pin, int val)
sbi(TCCR2A, COM2B1);
// set pwm duty
OCR2B = val;
-#else
- } else if (digitalPinToTimer(pin) == TIMER2) {
- // connect pwm to pin on timer 2, channel B
- sbi(TCCR2, COM21);
- // set pwm duty
- OCR2 = val;
#endif
} else if (val < 128)
digitalWrite(pin, LOW);
diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c
index f38b2e1..3044e18 100755
--- a/cores/arduino/wiring_digital.c
+++ b/cores/arduino/wiring_digital.c
@@ -53,13 +53,13 @@ static inline void turnOffPWM(uint8_t timer)
if (timer == TIMER1A) cbi(TCCR1A, COM1A1);
if (timer == TIMER1B) cbi(TCCR1A, COM1B1);
-#if defined(__AVR_ATmega168__)
+#if defined(__AVR_ATmega8__)
+ if (timer == TIMER2) cbi(TCCR2, COM21);
+#else
if (timer == TIMER0A) cbi(TCCR0A, COM0A1);
if (timer == TIMER0B) cbi(TCCR0A, COM0B1);
if (timer == TIMER2A) cbi(TCCR2A, COM2A1);
if (timer == TIMER2B) cbi(TCCR2A, COM2B1);
-#else
- if (timer == TIMER2) cbi(TCCR2, COM21);
#endif
}
diff --git a/cores/arduino/wiring_serial.c b/cores/arduino/wiring_serial.c
index 4cac891..2dd242b 100755
--- a/cores/arduino/wiring_serial.c
+++ b/cores/arduino/wiring_serial.c
@@ -37,17 +37,7 @@ int rx_buffer_tail = 0;
void beginSerial(long baud)
{
-#if defined(__AVR_ATmega168__)
- UBRR0H = ((F_CPU / 16 + baud / 2) / baud - 1) >> 8;
- UBRR0L = ((F_CPU / 16 + baud / 2) / baud - 1);
-
- // enable rx and tx
- sbi(UCSR0B, RXEN0);
- sbi(UCSR0B, TXEN0);
-
- // enable interrupt on complete reception of a byte
- sbi(UCSR0B, RXCIE0);
-#else
+#if defined(__AVR_ATmega8__)
UBRRH = ((F_CPU / 16 + baud / 2) / baud - 1) >> 8;
UBRRL = ((F_CPU / 16 + baud / 2) / baud - 1);
@@ -57,6 +47,16 @@ void beginSerial(long baud)
// enable interrupt on complete reception of a byte
sbi(UCSRB, RXCIE);
+#else
+ UBRR0H = ((F_CPU / 16 + baud / 2) / baud - 1) >> 8;
+ UBRR0L = ((F_CPU / 16 + baud / 2) / baud - 1);
+
+ // enable rx and tx
+ sbi(UCSR0B, RXEN0);
+ sbi(UCSR0B, TXEN0);
+
+ // enable interrupt on complete reception of a byte
+ sbi(UCSR0B, RXCIE0);
#endif
// defaults to 8-bit, no parity, 1 stop bit
@@ -64,16 +64,16 @@ void beginSerial(long baud)
void serialWrite(unsigned char c)
{
-#if defined(__AVR_ATmega168__)
- while (!(UCSR0A & (1 << UDRE0)))
+#if defined(__AVR_ATmega8__)
+ while (!(UCSRA & (1 << UDRE)))
;
- UDR0 = c;
+ UDR = c;
#else
- while (!(UCSRA & (1 << UDRE)))
+ while (!(UCSR0A & (1 << UDRE0)))
;
- UDR = c;
+ UDR0 = c;
#endif
}
@@ -104,16 +104,16 @@ void serialFlush()
rx_buffer_head = rx_buffer_tail;
}
-#if defined(__AVR_ATmega168__)
-SIGNAL(SIG_USART_RECV)
-#else
+#if defined(__AVR_ATmega8__)
SIGNAL(SIG_UART_RECV)
+#else
+SIGNAL(SIG_USART_RECV)
#endif
{
-#if defined(__AVR_ATmega168__)
- unsigned char c = UDR0;
-#else
+#if defined(__AVR_ATmega8__)
unsigned char c = UDR;
+#else
+ unsigned char c = UDR0;
#endif
int i = (rx_buffer_head + 1) % RX_BUFFER_SIZE;