Camera for turning

[DanDon]

Originally Posted by DustinB_3

I am using a combination of the camera and a gyro to turn until the camera is lined up with the green light. With the code I'm using the robot just rotates back and forth and will never stop. Is there a better way to accomplish this. Here is the code:

Camera_Handler();
Servo_Track();

temp_gyro = Get_Gyro_Angle();
tracking_state = Get_Tracking_State();

printf("gyro_angle = %d\r\n", (int)temp_gyro);

if(capture == 0 && tracking_state == CAMERA_ON_TARGET )
{
goal_angle = ((((int)PAN_SERVO - 124) * 65)/124);
capture = 1;
}

milliradian_goal = ((goal_angle * 3.1415 * 1000)/180);

if(capture == 1)
{
if((milliradian_goal - 60) < temp_gyro)
{
pwm03 = pwm06 = 150; //Turns robot left
pwm04 = pwm05 = 150;
}
if(temp_gyro < milliradian_goal + 60)
{
pwm03 = pwm06 = 104; //Turns robot right
pwm04 = pwm05 = 104;
}
if(((milliradian_goal + 60) >= temp_gyro) && (temp_gyro >= (milliradian_goal - 60)))
{
pwm03 = pwm06 = 127;
pwm04 = pwm05 = 127;
capture = 2;
}
}

Why are you setting all four PWM outs to the same value? If you want to turn left, set your right motors forward and your left motors either stopped or reversed and opposite for turning right.