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센서
아두이노 고성능 수압센서 MS5540-CM
수압센서 MS5540-CM
26,500원
(VAT 별도)-
제품번호
EN00002283
-
브랜드명
에듀이노
-
제조사
OEM
-
M.O.Q
1
-
평균발송일
약 3일
- 포장단위
-
판매단위
1
-
배송비
3,000 (60,000원 이상 무료배송)
수압센서 MS5540-CM
수량
총 주문 금액
26,500원
(VAT 포함) 29,150원
상품상세정보
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#include <SPI.h>
// generate a MCKL signal pin
const int clock = 9;
void resetsensor() //this function keeps the sketch a little shorter
{
SPI.setDataMode(SPI_MODE0);
SPI.transfer(0x15);
SPI.transfer(0x55);
SPI.transfer(0x40);
}
void setup() {
Serial.begin(9600);
SPI.begin(); //see SPI library details on arduino.cc for details
SPI.setBitOrder(MSBFIRST);
SPI.setClockDivider(SPI_CLOCK_DIV32); //divide 16 MHz to communicate on 500 kHz
pinMode(clock, OUTPUT);
delay(100);
}
void loop()
{
TCCR1B = (TCCR1B & 0xF8) | 1 ; //generates the MCKL signal
analogWrite (clock, 128) ;
resetsensor(); //resets the sensor - caution: afterwards mode = SPI_MODE0!
//Calibration word 1
unsigned int result1 = 0;
unsigned int inbyte1 = 0;
SPI.transfer(0x1D); //send first byte of command to get calibration word 1
SPI.transfer(0x50); //send second byte of command to get calibration word 1
SPI.setDataMode(SPI_MODE1); //change mode in order to listen
result1 = SPI.transfer(0x00); //send dummy byte to read first byte of word
result1 = result1 << 8; //shift returned byte
inbyte1 = SPI.transfer(0x00); //send dummy byte to read second byte of word
result1 = result1 | inbyte1; //combine first and second byte of word
Serial.print("Calibration word 1 = ");
Serial.print(result1,HEX);
Serial.print(" ");
Serial.println(result1);
resetsensor(); //resets the sensor
//Calibration word 2; see comments on calibration word 1
unsigned int result2 = 0;
byte inbyte2 = 0;
SPI.transfer(0x1D);
SPI.transfer(0x60);
SPI.setDataMode(SPI_MODE1);
result2 = SPI.transfer(0x00);
result2 = result2 <<8;
inbyte2 = SPI.transfer(0x00);
result2 = result2 | inbyte2;
Serial.print("Calibration word 2 = ");
Serial.print(result2,HEX);
Serial.print(" ");
Serial.println(result2);
resetsensor(); //resets the sensor
//Calibration word 3; see comments on calibration word 1
unsigned int result3 = 0;
byte inbyte3 = 0;
SPI.transfer(0x1D);
SPI.transfer(0x90);
SPI.setDataMode(SPI_MODE1);
result3 = SPI.transfer(0x00);
result3 = result3 <<8;
inbyte3 = SPI.transfer(0x00);
result3 = result3 | inbyte3;
Serial.print("Calibration word 3 = ");
Serial.print(result3,HEX);
Serial.print(" ");
Serial.println(result3);
resetsensor(); //resets the sensor
//Calibration word 4; see comments on calibration word 1
unsigned int result4 = 0;
byte inbyte4 = 0;
SPI.transfer(0x1D);
SPI.transfer(0xA0);
SPI.setDataMode(SPI_MODE1);
result4 = SPI.transfer(0x00);
result4 = result4 <<8;
inbyte4 = SPI.transfer(0x00);
result4 = result4 | inbyte4;
Serial.print("Calibration word 4 = ");
Serial.print(result4,HEX);
Serial.print(" ");
Serial.println(result4);
//now we do some bitshifting to extract the calibration factors
//out of the calibration words;
long c1 = (result1 >> 1) & 0x7FFF;
long c2 = ((result3 & 0x003F) << 6) | (result4 & 0x003F);
long c3 = (result4 >> 6) & 0x03FF;
long c4 = (result3 >> 6) & 0x03FF;
long c5 = ((result1 & 0x0001) << 10) | ((result2 >> 6) & 0x03FF);
long c6 = result2 & 0x003F;
Serial.print("c1 = ");
Serial.println(c1);
Serial.print("c2 = ");
Serial.println(c2);
Serial.print("c3 = ");
Serial.println(c3);
Serial.print("c4 = ");
Serial.println(c4);
Serial.print("c5 = ");
Serial.println(c5);
Serial.print("c6 = ");
Serial.println(c6);
resetsensor(); //resets the sensor
//Pressure:
unsigned int presMSB = 0; //first byte of value
unsigned int presLSB |
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