Mon code au complet !
#include <LiquidCrystal.h>
LiquidCrystal lcd (13,12,11,10,9,8);
int iX;
int signX;
long valueX;
float resultX;
int clockpinX = 6;
int datapinX = 7;
int iY;
int signY;
long valueY;
float resultY;
int clockpinY = 4;
int datapinY = 5;
int iZ;
int signZ;
long valueZ;
float resultZ;
int clockpinZ = 2;
int datapinZ = 3;
unsigned long tempmicrosX;
unsigned long tempmicrosY;
unsigned long tempmicrosZ;
void setup() {
lcd.begin (20,4); // Nature de l'écran LCD
delay(500);
pinMode(clockpinX, INPUT);
pinMode(datapinX, INPUT);
pinMode(clockpinY, INPUT);
pinMode(datapinY, INPUT);
pinMode(clockpinZ, INPUT);
pinMode(datapinZ, INPUT);
}
void loop () {
while (digitalRead(clockpinX)==HIGH) {} //if clock is LOW wait until it turns to HIGH
tempmicrosX=micros();
while (digitalRead(clockpinX)==LOW) {} //wait for the end of the HIGH pulse
if ((micros()-tempmicrosX)>500) { //if the HIGH pulse was longer than 500 micros we are at the start of a new bit sequence
decodeX(); //decode the bit sequence
}
while (digitalRead(clockpinY)==HIGH) {} //if clock is LOW wait until it turns to HIGH
tempmicrosY=micros();
while (digitalRead(clockpinY)==LOW) {} //wait for the end of the HIGH pulse
if ((micros()-tempmicrosY)>500) { //if the HIGH pulse was longer than 500 micros we are at the start of a new bit sequence
decodeY(); //decode the bit sequence
}
while (digitalRead(clockpinZ)==HIGH) {} //if clock is LOW wait until it turns to HIGH
tempmicrosZ=micros();
while (digitalRead(clockpinZ)==LOW) {} //wait for the end of the HIGH pulse
if ((micros()-tempmicrosZ)>500) { //if the HIGH pulse was longer than 500 micros we are at the start of a new bit sequence
decodeZ(); //decode the bit sequence
}
}
//=======================================================================================================//
void decodeX() {
signX=1;
valueX=0;
for (iX=0;iX<23;iX++) {
while (digitalRead(clockpinX)==HIGH) { } //wait until clock returns to HIGH- the first bit is not needed
while (digitalRead(clockpinX)==LOW) {} //wait until clock returns to LOW
if (digitalRead(datapinX)==LOW) {
if (iX<20) {
valueX|= 1<<iX;
}
if (iX==20) {
signX=-1;
}
}
}
resultX=(valueX*signX)/100.00;
lcd.setCursor(0, 1);
lcd.print ("X: ");
lcd.setCursor(2, 1);
lcd.print (resultX,2);
delay(5);
}
//==================================================================================================//
void decodeY() {
signY=1;
valueY=0;
for (iY=0;iY<23;iY++) {
while (digitalRead(clockpinY)==HIGH) { } //wait until clock returns to HIGH- the first bit is not needed
while (digitalRead(clockpinY)==LOW) {} //wait until clock returns to LOW
if (digitalRead(datapinY)==LOW) {
if (iY<20) {
valueY|= 1<<iY;
}
if (iY==20) {
signY=-1;
}
}
}
resultY=(valueY*signY)/100.00;
lcd.setCursor(0, 2);
lcd.print ("Y: ");
lcd.setCursor(2, 2);
lcd.print (resultY,2);
delay(5);
}
//================================================================================================//
void decodeZ() {
signZ=1;
valueZ=0;
for (iZ=0;iZ<23;iZ++) {
while (digitalRead(clockpinZ)==HIGH) { } //wait until clock returns to HIGH- the first bit is not needed
while (digitalRead(clockpinZ)==LOW) {} //wait until clock returns to LOW
if (digitalRead(datapinZ)==LOW) {
if (iZ<20) {
valueZ|= 1<<iZ;
}
if (iZ==20) {
signZ=-1;
}
}
}
resultZ=(valueZ*signZ)/100.00;
lcd.setCursor(0, 3);
lcd.print ("Z: ");
lcd.setCursor(2, 3);
lcd.print (resultZ,2);
delay(5);
}