:
3097/1
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7 .
, .
... 261,63
充.... 293,67
腅....329,63
.349,23
.392,00
.440.00
腅.493,88
́ (. Synthesizer) , () . ( ) ( ). , , . MIDI- , , MIDI-. , , . (, Reason), - ( , , , , , MIDI-), .
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, : -/standalone . . , , , , , .. , , , . , , - , . . , .
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ATMEGA 1280
. - ,
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This program was produced by the
CodeWizardAVR V2.03.4 Standard
Automatic Program Generator
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Copyright 1998-2008 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com
Project:
Version:
Date: 28.04.2013
Author:
Company:
Comments:
Chip type: ATmega1280
Program type: Application
Clock frequency: 8,000000 MHz
Memory model: Small
External RAM size: 0
Data Stack size: 2048
*****************************************************/
#include <delay.h>
#include <math.h>
#include <mega1280.h>
#define dt 125 // us (8)
#define speed_delay 5 // us
#define F_1 261.63 // Hz
#define F_2 293.67 // Hz
#define F_3 329.63 // Hz
#define F_4 349.23 // Hz
#define F_5 392.00 // Hz
#define F_6 440.00 // Hz
#define F_7 493.88 // Hz
#define note_1 PIND.0
#define note_2 PIND.1
#define note_3 PIND.2
#define note_4 PIND.3
#define note_5 PINE.4
#define note_6 PINE.5
#define note_7 PINE.6
int intr=0;
// External Interrupt 0 service routine
interrupt [INT0] void ext_int0_isr(void)
{
intr=1;
}
// External Interrupt 1 service routine
interrupt [INT1] void ext_int1_isr(void)
{
intr=2;
}
// External Interrupt 2 service routine
interrupt [INT2] void ext_int2_isr(void)
{
intr=3;
}
// External Interrupt 3 service routine
interrupt [INT3] void ext_int3_isr(void)
{
intr=4;
}
// External Interrupt 4 service routine
interrupt [INT4] void ext_int4_isr(void)
{
intr=5;
}
// External Interrupt 5 service routine
interrupt [INT5] void ext_int5_isr(void)
{
intr=6;
}
// External Interrupt 6 service routine
interrupt [INT6] void ext_int6_isr(void)
{
intr=7;
}
// External Interrupt 7 service routine
interrupt [INT7] void ext_int7_isr(void)
{
// Place your code here
}
// Declare your global variables here
void main(void)
{
int i=0;
//
int N_1=(20*8000/F_1);
int N_2=(20*8000/F_2);
int N_3=(20*8000/F_3);
int N_4=(20*8000/F_4);
int N_5=(20*8000/F_5);
int N_6=(20*8000/F_6);
int N_7=(20*8000/F_7);
//
int signal_1[N_1];
int signal_2[N_2];
int signal_3[N_3];
int signal_4[N_4];
int signal_5[N_5];
int signal_6[N_6];
int signal_7[N_7];
// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=0x80;
CLKPR=0x00;
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
// Input/Output Ports initialization
// Port A initialization
// Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out
// State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0
PORTA=0x00;
DDRA=0xFF;
// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=P State6=P State5=P State4=P State3=P State2=P State1=P State0=P
PORTB=0x00;
DDRB=0x00;
// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTC=0x00;
DDRC=0x00;
// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
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// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTD=0xFF;
DDRD=0x00;
// Port E initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTE=0xFF;
DDRE=0x00;
// Port F initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTF=0x00;
DDRF=0x00;
// Port G initialization
// Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State5=T State4=T State3=T State2=T State1=T State0=T
PORTG=0x00;
DDRG=0x00;
// Port H initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTH=0x00;
DDRH=0x00;
// Port J initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTJ=0x00;
DDRJ=0x00;
// Port K initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTK=0x00;
DDRK=0x00;
// Port L initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T
PORTL=0x00;
DDRL=0x00;
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0A output: Disconnected
// OC0B output: Disconnected
TCCR0A=0x00;
TCCR0B=0x00;
TCNT0=0x00;
OCR0A=0x00;
OCR0B=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// OC1C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
OCR1CH=0x00;
OCR1CL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2A output: Disconnected
// OC2B output: Disconnected
ASSR=0x00;
TCCR2A=0x00;
TCCR2B=0x00;
TCNT2=0x00;
OCR2A=0x00;
OCR2B=0x00;
// Timer/Counter 3 initialization
// Clock source: System Clock
// Clock value: Timer 3 Stopped
// Mode: Normal top=FFFFh
// Noise Canceler: Off
// Input Capture on Falling Edge
// OC3A output: Discon.
// OC3B output: Discon.
// OC3C output: Discon.
// Timer 3 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR3A=0x00;
TCCR3B=0x00;
TCNT3H=0x00;
TCNT3L=0x00;
ICR3H=0x00;
ICR3L=0x00;
OCR3AH=0x00;
OCR3AL=0x00;
OCR3BH=0x00;
OCR3BL=0x00;
OCR3CH=0x00;
OCR3CL=0x00;
// Timer/Counter 4 initialization
// Clock source: System Clock
// Clock value: Timer 4 Stopped
// Mode: Normal top=FFFFh
// OC4A output: Discon.
// OC4B output: Discon.
// OC4C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 4 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR4A=0x00;
TCCR4B=0x00;
TCNT4H=0x00;
TCNT4L=0x00;
ICR4H=0x00;
ICR4L=0x00;
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OCR4AH=0x00;
OCR4AL=0x00;
OCR4BH=0x00;
OCR4BL=0x00;
OCR4CH=0x00;
OCR4CL=0x00;
// Timer/Counter 5 initialization
// Clock source: System Clock
// Clock value: Timer 5 Stopped
// Mode: Normal top=FFFFh
// OC5A output: Discon.
// OC5B output: Discon.
// OC5C output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 5 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
// Compare C Match Interrupt: Off
TCCR5A=0x00;
TCCR5B=0x00;
TCNT5H=0x00;
TCNT5L=0x00;
ICR5H=0x00;
ICR5L=0x00;
OCR5AH=0x00;
OCR5AL=0x00;
OCR5BH=0x00;
OCR5BL=0x00;
OCR5CH=0x00;
OCR5CL=0x00;
// External Interrupt(s) initialization
// INT0: On
// INT0 Mode: Falling Edge
// INT1: On
// INT1 Mode: Falling Edge
// INT2: On
// INT2 Mode: Falling Edge
// INT3: On
// INT3 Mode: Falling Edge
// INT4: On
// INT4 Mode: Falling Edge
// INT5: On
// INT5 Mode: Falling Edge
// INT6: On
// INT6 Mode: Falling Edge
// INT7: On
// INT7 Mode: Falling Edge
EICRA=0xAA;
EICRB=0xAA;
EIMSK=0xFF;
EIFR=0xFF;
// PCINT0 interrupt: Off
// PCINT1 interrupt: Off
// PCINT2 interrupt: Off
// PCINT3 interrupt: Off
// PCINT4 interrupt: Off
// PCINT5 interrupt: Off
// PCINT6 interrupt: Off
// PCINT7 interrupt: Off
// PCINT8 interrupt: Off
// PCINT9 interrupt: Off
// PCINT10 interrupt: Off
// PCINT11 interrupt: Off
// PCINT12 interrupt: Off
// PCINT13 interrupt: Off
// PCINT14 interrupt: Off
// PCINT15 interrupt: Off
// PCINT16 interrupt: Off
// PCINT17 interrupt: Off
// PCINT18 interrupt: Off
// PCINT19 interrupt: Off
// PCINT20 interrupt: Off
// PCINT21 interrupt: Off
// PCINT22 interrupt: Off
// PCINT23 interrupt: Off
PCMSK0=0x00;
PCMSK1=0x00;
PCMSK2=0x00;
PCICR=0x00;
// Timer/Counter 0 Interrupt(s) initialization
TIMSK0=0x00;
// Timer/Counter 1 Interrupt(s) initialization
TIMSK1=0x00;
// Timer/Counter 2 Interrupt(s) initialization
TIMSK2=0x00;
// Timer/Counter 3 Interrupt(s) initialization
TIMSK3=0x00;
// Timer/Counter 4 Interrupt(s) initialization
TIMSK4=0x00;
// Timer/Counter 5 Interrupt(s) initialization
TIMSK5=0x00;
// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
ADCSRB=0x00;
//
for(i=0;i<N_1;i++) signal_1[i]=125+125*sin((2*PI*i*dt*0.000001)*F_1);
for(i=0;i<N_2;i++) signal_2[i]=125+125*sin((2*PI*i*dt*0.000001)*F_2);
for(i=0;i<N_3;i++) signal_3[i]=125+125*sin((2*PI*i*dt*0.000001)*F_3);
for(i=0;i<N_4;i++) signal_4[i]=125+125*sin((2*PI*i*dt*0.000001)*F_4);
for(i=0;i<N_5;i++) signal_5[i]=125+125*sin((2*PI*i*dt*0.000001)*F_5);
for(i=0;i<N_6;i++) signal_6[i]=125+125*sin((2*PI*i*dt*0.000001)*F_6);
for(i=0;i<N_7;i++) signal_7[i]=125+125*sin((2*PI*i*dt*0.000001)*F_7);
//
#asm("sei")
//
while (1)
{
// note_1
if(intr==1)
{
while(note_1==0)
{
for(i=0;i<N_1;i++)
{
PORTA=signal_1[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
// note_2
if(intr==2)
{
while(note_2==0)
{
for(i=0;i<N_2;i++)
{
PORTA=signal_2[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
// note_3
if(intr==3)
{
while(note_3==0)
{
for(i=0;i<N_3;i++)
{
PORTA=signal_3[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
// note_4
if(intr==4)
{
while(note_4==0)
{
for(i=0;i<N_4;i++)
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{
PORTA=signal_4[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
// note_1
if(intr==5)
{
while(note_5==0)
{
for(i=0;i<N_5;i++)
{
PORTA=signal_5[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
// note_6
if(intr==6)
{
while(note_6==0)
{
for(i=0;i<N_6;i++)
{
PORTA=signal_6[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
// note_7
if(intr==7)
{
while(note_7==0)
{
for(i=0;i<N_7;i++)
{
PORTA=signal_7[i];
delay_us(dt-speed_delay);
}
}
intr=0;
PORTA=0x00;
}
}
}
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1. Datasheet ATMEGA 1280
2. Datasheet DAC800
3. .., ..