라즈베리파이 소리(SOUND) 소스코드

라즈베리파이 소리(SOUND) 소스코드   RASPBERRY-PI 1

#include <stdio.h>
#include <wiringPi.h>
#include <wiringPiSPI.h>

#define CS_ADC		7
#define SPI_CHANNEL	0
#define SPI_SPEED	1000000

int adcRead(char adcChannel)
{
	char buff[3];
	int adcValue = 0;

	buff[0] = 0x06 |((adcChannel & 0x07) >>2);
	buff[1] = ((adcChannel &0x07)<<6);
	buff[2] = 0x00;

	digitalWrite(CS_ADC, LOW);
	wiringPiSPIDataRW(SPI_CHANNEL, buff, 3);
	buff[1] = 0x0F & buff[1];
	adcValue = (buff[1]<<8| buff[2]);
	digitalWrite(CS_ADC,HIGH);

	return adcValue;
}

int main(void)
{
	int adcValue_SOUND = 0;
	wiringPiSetupGpio();

	if(wiringPiSPISetup(SPI_CHANNEL, SPI_SPEED)<0)
	{
		return -1;
	}

	pinMode(CS_ADC, OUTPUT);

	while(1)
	{
		adcValue_SOUND = adcRead(2);
		printf("SOUND = %u\n", adcValue_SOUND);
		delay(1000);
	}
	return 0;
}

 

 

라즈베리파이 소리(SOUND) 소스코드   RASPBERRY-PI 2

#include <stdio.h>
#include <wiringPi.h>
#include <wiringPiSPI.h>

#define CS_ADC		7
#define SPI_CHANNEL	0
#define SPI_SPEED	1000000

int adcRead(char adcChannel)
{
	char buff[3];
	int adcValue = 0;

	buff[0] = 0x06 |((adcChannel & 0x07) >>2);
	buff[1] = ((adcChannel &0x07)<<6);
	buff[2] = 0x00;

	digitalWrite(CS_ADC, LOW);
	wiringPiSPIDataRW(SPI_CHANNEL, buff, 3);
	buff[1] = 0x0F & buff[1];
	adcValue = (buff[1]<<8| buff[2]);
	digitalWrite(CS_ADC,HIGH);

	return adcValue;
}

int main(void)
{
	int adcValue_SOUND = 0;
	wiringPiSetupGpio();

	if(wiringPiSPISetup(SPI_CHANNEL, SPI_SPEED)<0)
	{
		return -1;
	}

	pinMode(CS_ADC, OUTPUT);

	while(1)
	{
		adcValue_SOUND = adcRead(2);
		printf("SOUND = %u\n", adcValue_SOUND);
		delay(1000);
	}
	return 0;
}