There are no debug prints. I fixed the punctuation on the if and while. My new code is
//Arduino sonar car
#include <Ultrasonic.h>
#define TRIGGER_PIN 12
#define ECHO_PIN 13
Ultrasonic ultrasonic(TRIGGER_PIN, ECHO_PIN);
#include <Servo.h>
Servo myservo1;
Servo myservo2;
Servo myservo3;
int pos = 0;
float cmMsec;
void setup()
{
myservo1.attach(10,400,2400);
myservo2.attach(9,400,2400);
myservo3.attach(11);
}
void loop()
{
do
{
long microsec = ultrasonic.timing();
cmMsec = ultrasonic.convert(microsec, Ultrasonic::CM);
Serial.print(", CM: ");
Serial.print(cmMsec);
delay(200);
}
while(cmMsec>15);
{
myservo1.writeMicroseconds(1400); //FORWARD
myservo2.writeMicroseconds(1600);
delay(1000);
for(pos = 0; pos < 180; pos += 1) // goes from 0 degrees to 180 degrees
{ // in steps of 1 degree
myservo3.write(pos); // tell servo to go to position in variable 'pos'
delay(10); // waits 15ms for the servo to reach the position
}
for(pos = 180; pos>=1; pos-=1) // goes from 180 degrees to 0 degrees
{
myservo3.write(pos); // tell servo to go to position in variable 'pos'
delay(10); // waits 15ms for the servo to reach the position
}
if(cmMsec<=15)
{
myservo1.writeMicroseconds(1600); //BACKWARD
myservo2.writeMicroseconds(1400);
delay(2000);
myservo1.writeMicroseconds(1400); //LEFT
myservo2.writeMicroseconds(1400);
delay(1000);
}
}
}
Now the car waits for an object within 15cm to move forward and only reads it at the 0 degree mark(Right most). The car goes to its left if values are greater then 15cm. And there is are no values being printed. Everything that can go wrong is going wrong.