開発​/AVR​/Arduino

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piramp8.name=Yuji's AVR Board(8MHz)

piramp8.upload.tool=avrdude
piramp8.upload.protocol=arduino
piramp8.upload.maximum_size=14336
piramp8.upload.speed=19200

piramp8.bootloader.low_fuses=0xc2
piramp8.bootloader.high_fuses=0xdd
piramp8.bootloader.extended_fuses=0xf8
piramp8.bootloader.file=atmega/ATmegaBOOT_168P_piramp_8mhz.hex
piramp8.bootloader.unlock_bits=0x3F
piramp8.bootloader.lock_bits=0x0F

piramp8.build.mcu=atmega168p
piramp8.build.f_cpu=8000000L
piramp8.build.board=AVR_PIRAMP8
piramp8.build.core=arduino
piramp8.build.variant=piramp

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piramp16.name=Yuji's AVR Board(16MHz)

piramp16.upload.tool=avrdude
piramp16.upload.protocol=arduino
piramp16.upload.maximum_size=14336
piramp16.upload.speed=19200

piramp16.bootloader.low_fuses=0xcf
piramp16.bootloader.high_fuses=0xdd
piramp16.bootloader.extended_fuses=0xf8
piramp16.bootloader.file=ATmegaBOOT_168P_piramp_16mhz.hex
piramp16.bootloader.unlock_bits=0x3F
piramp16.bootloader.lock_bits=0x0F

piramp16.build.mcu=atmega168p
piramp16.build.f_cpu=16000000L
piramp16.build.board=AVR_PIRAMP16
piramp16.build.core=arduino
piramp16.build.variant=piramp

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avrisp2.name=ISP2 old one
avrisp2.communication=serial
avrisp2.protocol=stk500v2

yujiisp.name=Yuji Ueno's ISP Cable
yujiisp.communication=par
yujiisp.protocol=yuji

int led = 13;
 ↓
int led = 8;

#include <Arduino.h>

int main(void)
{
	init();

#if defined(USBCON)
	USBDevice.attach();
#endif
	
	setup();
    
	for (;;) {
		loop();
		if (serialEventRun) serialEventRun();
	}
        
	return 0;
}

void init()
{
	// this needs to be called before setup() or some functions won't
	// work there
	sei();
	
	// 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(TCCR0A) && defined(WGM01)
	sbi(TCCR0A, WGM01);
	sbi(TCCR0A, WGM00);
#endif  

	// set timer 0 prescale factor to 64
#if defined(__AVR_ATmega128__)
	// CPU specific: different values for the ATmega128
	sbi(TCCR0, CS02);
#elif defined(TCCR0) && defined(CS01) && defined(CS00)
	// this combination is for the standard atmega8
	sbi(TCCR0, CS01);
	sbi(TCCR0, CS00);
#elif defined(TCCR0B) && defined(CS01) && defined(CS00)
	// this combination is for the standard 168/328/1280/2560
	sbi(TCCR0B, CS01);
	sbi(TCCR0B, CS00);
#elif defined(TCCR0A) && defined(CS01) && defined(CS00)
	// this combination is for the __AVR_ATmega645__ series
	sbi(TCCR0A, CS01);
	sbi(TCCR0A, CS00);
#else
	#error Timer 0 prescale factor 64 not set correctly
#endif

	// enable timer 0 overflow interrupt
#if defined(TIMSK) && defined(TOIE0)
	sbi(TIMSK, TOIE0);
#elif defined(TIMSK0) && defined(TOIE0)
	sbi(TIMSK0, TOIE0);
#else
	#error	Timer 0 overflow interrupt not set correctly
#endif

	// timers 1 and 2 are used for phase-correct hardware pwm
	// this is better for motors as it ensures an even waveform
	// note, however, that fast pwm mode can achieve a frequency of up
	// 8 MHz (with a 16 MHz clock) at 50% duty cycle

#if defined(TCCR1B) && defined(CS11) && defined(CS10)
	TCCR1B = 0;

	// set timer 1 prescale factor to 64
	sbi(TCCR1B, CS11);
#if F_CPU >= 8000000L
	sbi(TCCR1B, CS10);
#endif
#elif defined(TCCR1) && defined(CS11) && defined(CS10)
	sbi(TCCR1, CS11);
#if F_CPU >= 8000000L
	sbi(TCCR1, CS10);
#endif
#endif
	// put timer 1 in 8-bit phase correct pwm mode
#if defined(TCCR1A) && defined(WGM10)
	sbi(TCCR1A, WGM10);
#elif defined(TCCR1)
	#warning this needs to be finished
#endif

	// set timer 2 prescale factor to 64
#if defined(TCCR2) && defined(CS22)
	sbi(TCCR2, CS22);
#elif defined(TCCR2B) && defined(CS22)
	sbi(TCCR2B, CS22);
#else
	#warning Timer 2 not finished (may not be present on this CPU)
#endif

	// configure timer 2 for phase correct pwm (8-bit)
#if defined(TCCR2) && defined(WGM20)
	sbi(TCCR2, WGM20);
#elif defined(TCCR2A) && defined(WGM20)
	sbi(TCCR2A, WGM20);
#else
	#warning Timer 2 not finished (may not be present on this CPU)
#endif

#if defined(TCCR3B) && defined(CS31) && defined(WGM30)
	sbi(TCCR3B, CS31);		// set timer 3 prescale factor to 64
	sbi(TCCR3B, CS30);
	sbi(TCCR3A, WGM30);		// put timer 3 in 8-bit phase correct pwm mode
#endif

#if defined(TCCR4A) && defined(TCCR4B) && defined(TCCR4D) /* beginning of timer4 block for 32U4 and similar */
	sbi(TCCR4B, CS42);		// set timer4 prescale factor to 64
	sbi(TCCR4B, CS41);
	sbi(TCCR4B, CS40);
	sbi(TCCR4D, WGM40);		// put timer 4 in phase- and frequency-correct PWM mode	
	sbi(TCCR4A, PWM4A);		// enable PWM mode for comparator OCR4A
	sbi(TCCR4C, PWM4D);		// enable PWM mode for comparator OCR4D
#else /* beginning of timer4 block for ATMEGA1280 and ATMEGA2560 */
#if defined(TCCR4B) && defined(CS41) && defined(WGM40)
	sbi(TCCR4B, CS41);		// set timer 4 prescale factor to 64
	sbi(TCCR4B, CS40);
	sbi(TCCR4A, WGM40);		// put timer 4 in 8-bit phase correct pwm mode
#endif
#endif /* end timer4 block for ATMEGA1280/2560 and similar */	

#if defined(TCCR5B) && defined(CS51) && defined(WGM50)
	sbi(TCCR5B, CS51);		// set timer 5 prescale factor to 64
	sbi(TCCR5B, CS50);
	sbi(TCCR5A, WGM50);		// put timer 5 in 8-bit phase correct pwm mode
#endif

#if defined(ADCSRA)
	// set a2d prescale factor to 128
	// 16 MHz / 128 = 125 KHz, inside the desired 50-200 KHz range.
	// XXX: this will not work properly for other clock speeds, and
	// this code should use F_CPU to determine the prescale factor.
	sbi(ADCSRA, ADPS2);
	sbi(ADCSRA, ADPS1);
	sbi(ADCSRA, ADPS0);

	// enable a2d conversions
	sbi(ADCSRA, ADEN);
#endif

	// 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(UCSRB)
	UCSRB = 0;
#elif defined(UCSR0B)
	UCSR0B = 0;
#endif
}