Code:
#include <avr/io.h>
#include <avr/interrupt.h>
#include "asm.S"
// Declare your global variables here
volatile uint8_t asmtable = 0;
volatile uint8_t maintable = 0;
//************* Test Working Tables *************
// Registersatz 0, Die Tabellen müssen in der Hauptschleife erzeugt werden
volatile uint8_t pwmport0[13] = {0,1,2,3,4,5,6,7,8,9,10,11,0xFF}; //Reihenfolge und Endemarker
volatile uint16_t pwmtime0[13] = {11,12,13,14,15,16,17,18,19,20,21,22,0}; //PWM Abschaltezeitpunkte
//Zu setzende / löschende Bits auf Port B
volatile uint8_t pwmportb0[13] = {
0b00111111,
0b00111110,
0b00111100,
0b00111000,
0b00110000,
0b00100000,
0b00000000,
0b00000000,
0b00000000,
0b00000000,
0b00000000,
0b00000000
};
//Zu setzende Bits auf Port C
//Zu setzende / löschende Bits auf Port C
volatile uint8_t pwmportc0[13] = {
0b00111111,
0b00111111,
0b00111111,
0b00111111,
0b00111111,
0b00111111,
0b00111110,
0b00111100,
0b00111000,
0b00110000,
0b00100000,
0b00000000
};
//Registersatz 1
volatile uint8_t pwmport1[13] = {0,1,2,3,4,5,6,7,8,9,10,11,0xFF};
volatile uint16_t pwmtime1[13] = {21,22,23,24,25,26,27,28,29,30,31,32,0};
//Zu setzende / löschende Bits auf Port B
volatile uint8_t pwmportb1[13] = {
0b00111111,
0b00111110,
0b00111100,
0b00111000,
0b00110000,
0b00100000,
0b00000000,
0b00000000,
0b00000000,
0b00000000,
0b00000000,
0b00000000
};
//Zu setzende Bits auf Port C
//Zu setzende / löschende Bits auf Port C
volatile uint8_t pwmportc1[13] = {
0b00111111,
0b00111111,
0b00111111,
0b00111111,
0b00111111,
0b00111111,
0b00111110,
0b00111100,
0b00111000,
0b00110000,
0b00100000,
0b00000000
};
//*****************End of Test Working Tables *************
// External Interrupt 0 service routine
ISR (INT0_vect)
{
uint8_t uc_buffer;
uc_buffer=EICRA;
if((uc_buffer&0b00000011)>0)
{
asm volatile ("nop"); //War die steigende Flanke
}
else
{
asm volatile ("nop"); //War die fallende Flanke
}
EICRA^=0b00000011;
asm volatile ("nop");
asm volatile ("nop");
// Place your code here
}
//Timer 0 Comparematch A Interrupt 5ms generierung
/*ISR (TIMER0_COMPA_vect)
{
asm volatile (
"nop\n\t"
"nop\n\t"
);
}
*/
//Timer 1 Comparematch A Interrupt PWM generierung
/*ISR (TIMER1_COMPA_vect)
{
//asm volatile ("nop");
asm volatile (
"push r16\n\t"
"push r16\n\t"
"nop\n\t"
"pop r16\n\t"
"pop r16"
);
}
*/
//Hauptschleife
int main(void)
{
// Declare your local variables here
// Crystal Oscillator division factor: 1
//#pragma optsize-
CLKPR=(1<<CLKPCE);
CLKPR=(0<<CLKPCE) | (0<<CLKPS3) | (0<<CLKPS2) | (0<<CLKPS1) | (0<<CLKPS0);
/*#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif */
// Input/Output Ports initialization
// Port B initialization
// Function: Bit7=In Bit6=In Bit5=Out Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out
DDRB=(0<<DDB7) | (0<<DDB6) | (1<<DDB5) | (1<<DDB4) | (1<<DDB3) | (1<<DDB2) | (1<<DDB1) | (1<<DDB0);
// State: Bit7=T Bit6=T Bit5=0 Bit4=0 Bit3=0 Bit2=0 Bit1=0 Bit0=0
PORTB=(0<<PORTB7) | (0<<PORTB6) | (0<<PORTB5) | (0<<PORTB4) | (0<<PORTB3) | (0<<PORTB2) | (0<<PORTB1) | (0<<PORTB0);
// Port C initialization
// Function: Bit6=In Bit5=Out Bit4=Out Bit3=Out Bit2=Out Bit1=Out Bit0=Out
DDRC=(0<<DDC6) | (1<<DDC5) | (1<<DDC4) | (1<<DDC3) | (1<<DDC2) | (1<<DDC1) | (1<<DDC0);
// State: Bit6=T Bit5=0 Bit4=0 Bit3=0 Bit2=0 Bit1=0 Bit0=0
PORTC=(0<<PORTC6) | (0<<PORTC5) | (0<<PORTC4) | (0<<PORTC3) | (0<<PORTC2) | (0<<PORTC1) | (0<<PORTC0);
// Port D initialization
// Function: Bit7=In Bit6=In Bit5=In Bit4=In Bit3=In Bit2=In Bit1=In Bit0=In
DDRD=(0<<DDD7) | (0<<DDD6) | (0<<DDD5) | (0<<DDD4) | (0<<DDD3) | (0<<DDD2) | (0<<DDD1) | (0<<DDD0);
// State: Bit7=T Bit6=T Bit5=T Bit4=T Bit3=T Bit2=T Bit1=T Bit0=T
PORTD=(0<<PORTD7) | (0<<PORTD6) | (0<<PORTD5) | (0<<PORTD4) | (0<<PORTD3) | (0<<PORTD2) | (0<<PORTD1) | (0<<PORTD0);
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 19,531 kHz
// Mode: CTC top=OCR0A
// OC0A output: Disconnected
// OC0B output: Disconnected
// Timer Period: 5,0688 ms
TCCR0A=(0<<COM0A1) | (0<<COM0A0) | (0<<COM0B1) | (0<<COM0B0) | (1<<WGM01) | (0<<WGM00);
TCCR0B=(0<<WGM02) | (1<<CS02) | (0<<CS01) | (1<<CS00);
TCNT0=0x00;
OCR0A=0x62;
OCR0B=0x00;
// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 312,500 kHz
// Mode: Fast PWM top=0x03FF
// OC1A output: Disconnected
// OC1B output: Disconnected
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer Period: 3,2768 ms
// Timer1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: On
// Compare B Match Interrupt: Off
TCCR1A=(0<<COM1A1) | (0<<COM1A0) | (0<<COM1B1) | (0<<COM1B0) | (1<<WGM11) | (1<<WGM10);
TCCR1B=(0<<ICNC1) | (0<<ICES1) | (0<<WGM13) | (1<<WGM12) | (0<<CS12) | (1<<CS11) | (1<<CS10);
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;
// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer2 Stopped
// Mode: Normal top=0xFF
// OC2A output: Disconnected
// OC2B output: Disconnected
ASSR=(0<<EXCLK) | (0<<AS2);
TCCR2A=(0<<COM2A1) | (0<<COM2A0) | (0<<COM2B1) | (0<<COM2B0) | (0<<WGM21) | (0<<WGM20);
TCCR2B=(0<<WGM22) | (0<<CS22) | (0<<CS21) | (0<<CS20);
TCNT2=0x00;
OCR2A=0x00;
OCR2B=0x00;
// Timer/Counter 0 Interrupt(s) initialization
TIMSK0=(0<<OCIE0B) | (1<<OCIE0A) | (0<<TOIE0);
// Timer/Counter 1 Interrupt(s) initialization
TIMSK1=(0<<ICIE1) | (0<<OCIE1B) | (1<<OCIE1A) | (0<<TOIE1);
// Timer/Counter 2 Interrupt(s) initialization
TIMSK2=(0<<OCIE2B) | (0<<OCIE2A) | (0<<TOIE2);
// External Interrupt(s) initialization
// INT0: On
// INT0 Mode: Rising Edge
// INT1: Off
// Interrupt on any change on pins PCINT0-7: Off
// Interrupt on any change on pins PCINT8-14: Off
// Interrupt on any change on pins PCINT16-23: Off
EICRA=(0<<ISC11) | (0<<ISC10) | (1<<ISC01) | (1<<ISC00);
EIMSK=(0<<INT1) | (1<<INT0);
EIFR=(0<<INTF1) | (1<<INTF0);
PCICR=(0<<PCIE2) | (0<<PCIE1) | (0<<PCIE0);
// USART initialization
// USART disabled
UCSR0B=(0<<RXCIE0) | (0<<TXCIE0) | (0<<UDRIE0) | (0<<RXEN0) | (0<<TXEN0) | (0<<UCSZ02) | (0<<RXB80) | (0<<TXB80);
// Analog Comparator initialization
// Analog Comparator: Off
// The Analog Comparator's positive input is
// connected to the AIN0 pin
// The Analog Comparator's negative input is
// connected to the AIN1 pin
ACSR=(1<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
ADCSRB=(0<<ACME);
// Digital input buffer on AIN0: On
// Digital input buffer on AIN1: On
DIDR1=(0<<AIN0D) | (0<<AIN1D);
// ADC initialization
// ADC disabled
ADCSRA=(0<<ADEN) | (0<<ADSC) | (0<<ADATE) | (0<<ADIF) | (0<<ADIE) | (0<<ADPS2) | (0<<ADPS1) | (0<<ADPS0);
// SPI initialization
// SPI disabled
SPCR=(0<<SPIE) | (0<<SPE) | (0<<DORD) | (0<<MSTR) | (0<<CPOL) | (0<<CPHA) | (0<<SPR1) | (0<<SPR0);
// TWI initialization
// TWI disabled
TWCR=(0<<TWEA) | (0<<TWSTA) | (0<<TWSTO) | (0<<TWEN) | (0<<TWIE);
// Global enable interrupts
sei();
while (1)
{
PORTB|=(1<<PB4);
asm volatile ("nop");
PORTB&=(~(1<<PB4));
asm volatile ("nop");
// Place your code here
}
return 0;}
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