DFR0126 Datasheet DFR0126 | P7-P9

delay_us(50);

PORTD.0 = 1; //S High

delay_us(18);

PORTD.0 = 0; //S Low

}

void main(void)

{

// Timer/Counter 1 initialization

// Clock source: System Clock

// Clock value: 15,625 kHz

// 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: On

// Input Capture Interrupt: Off

// Compare A Match Interrupt: Off

// Compare B Match Interrupt: Off

// Compare C Match Interrupt: Off

TCCR1A=0x00;

TCCR1B=0x05;

TCNT1H=0xC2;

TCNT1L=0xF7;

ICR1H=0x00;

ICR1L=0x00;

OCR1AH=0x00;

OCR1AL=0x00;

OCR1BH=0x00;

OCR1BL=0x00;

OCR1CH=0x00;

OCR1CL=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization

TIMSK=0x04;

ETIMSK=0x00;

// USART0 initialization

// Communication Parameters: 8 Data, 1 Stop, No Parity

// USART0 Receiver: Off

// USART0 Transmitter: On

// USART0 Mode: Asynchronous

// USART0 Baud Rate: 9600

UCSR0A=0x00;

UCSR0B=0x08;

UCSR0C=0x06;

UBRR0H=0x00;

UBRR0L=0x67;

// Analog Comparator initialization

// Analog Comparator: Off

// Analog Comparator Input Capture by Timer/Counter 1: Off

ACSR=0x80;

SFIOR=0x00;

// ADC initialization

// ADC Clock frequency: 1000,000 kHz

// ADC Voltage Reference: AREF pin

ADMUX=ADC_VREF_TYPE & 0xff;

ADCSRA=0x84;

// Global enable interrupts

#asm("sei")

Init();

while (1)

{

ReadFreq(freq);

for (i=0;i<7;i++) {

printf("%d",freq[i]-100);

if(i<6) printf(", ");

else printf("\r\n");

}

delay_ms(20);

};

}

NOTE: This code contributed by forum member Pandora.

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P1-P3 P4-P6 P7-P9

DFR0126

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DFRobot

Description:

Audio IC Development Tools Audio Analyzer

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