class Drive(Subsystem):
def __init__(self):
super().__init__('Drive')
# These can be used individually, but you should use RobotDrive to controll these
self.LB = Motor(ids.LB_motor)
self.LF = Motor(ids.LF_motor)
self.RB = Motor(ids.RB_motor)
self.RF = Motor(ids.RF_motor)
self.drive_train = RobotDrive(self.LF, self.LB, self.RF, self.RB)
self.drive_train.setInvertedMotor(0, True)
self.drive_train.setInvertedMotor(1, True)
self.drive_train.setExpiration(0.1)
## Uncomment to fail
#import time
#time.sleep(5)
# doesn't work bc HAL Resource error
#self.pcm0 = Solenoid(ids.PCM_pin0)
#self.pcm1 = Solenoid(ids.PCM_pin1)
def tank(self, L_speed, R_speed):
self.drive_train.tankDrive(L_speed, R_speed, squaredInputs=False)
def mecanum_cartesian(self, X_speed, Y_speed, R_speed=0, gyroHeading=0):
self.drive_train.mecanumDrive_Cartesian(X_speed, Y_speed, R_speed,
gyroHeading)
def mecanum_polar(self, _speed, _direction, R_speed=0):
self.drive_train.mecanumDrive_Polar(_speed, _direction, R_speed)
class DriveBase:
left_motor_one = CANTalon
left_motor_two = CANTalon
right_motor_one = CANTalon
right_motor_two = CANTalon
left_encoder = Encoder
right_encoder = Encoder
navx = AHRS
def __init__(self):
super().__init__()
"""
Motor objects init
Reason for recall is because MagicRobot is looking for the CANTalon
Object instance before init
"""
self.left_motor_one = CANTalon(motor_map.drive_base_left_one_motor)
self.left_motor_two = CANTalon(motor_map.drive_base_left_two_motor)
self.right_motor_one = CANTalon(motor_map.drive_base_right_one_motor)
self.right_motor_two = CANTalon(motor_map.drive_base_right_two_motor)
self.left_encoder = Encoder(sensor_map.left_drive_encoder_one, sensor_map.left_drive_encoder_two,
False, Encoder.EncodingType.k4X)
self.right_encoder = Encoder(sensor_map.right_drive_encoder_one, sensor_map.right_drive_encoder_two,
False, Encoder.EncodingType.k4X)
self.navx = AHRS(SPI.Port.kMXP)
self.left_motor_one.enableBrakeMode(True)
self.left_motor_two.enableBrakeMode(True)
self.right_motor_one.enableBrakeMode(True)
self.right_motor_two.enableBrakeMode(True)
self.base = RobotDrive(self.left_motor_one, self.left_motor_two,
self.right_motor_one, self.right_motor_two)
self.dpp = sensor_map.wheel_diameter * math.pi / 360
self.left_encoder.setDistancePerPulse(self.dpp)
self.right_encoder.setDistancePerPulse(self.dpp)
self.left_encoder.setSamplesToAverage(sensor_map.samples_average)
self.right_encoder.setSamplesToAverage(sensor_map.samples_average)
self.left_encoder.setMinRate(sensor_map.min_enc_rate)
self.right_encoder.setMinRate(sensor_map.min_enc_rate)
self.auto_pid_out = AutoPIDOut()
self.pid_d_controller = PIDController(sensor_map.drive_P,
sensor_map.drive_I,
sensor_map.drive_D,
sensor_map.drive_F,
self.navx, self.auto_pid_out, 0.005)
self.type_flag = ("DRIVE", "TURN")
self.current_flag = self.type_flag[0]
self.auto_pid_out.drive_base = self
self.auto_pid_out.current_flag = self.current_flag
def drive(self, left_power, right_power):
self.base.tankDrive(left_power, right_power)
def execute(self):
if int(self.base.getNumMotors()) < 3:
self.base.drive(0, 0)
def get_drive_distance(self):
return -float(self.left_encoder.getDistance()), float(self.right_encoder.getDistance())
def rest_base(self):
self.left_encoder.reset()
self.right_encoder.reset()
def pid_drive(self, speed, distance, to_angle=None):
self.navx.isCalibrating()
self.pid_d_controller.reset()
self.pid_d_controller.setPID(sensor_map.drive_P,
sensor_map.drive_I,
sensor_map.drive_D,
sensor_map.drive_F)
self.pid_d_controller.setOutputRange(speed - distance, speed + distance)
if to_angle is None:
set_angle = self.navx.getYaw()
else:
set_angle = to_angle
self.pid_d_controller.setSetpoint(float(set_angle))
self.drive(speed + 0.03, speed)
self.pid_d_controller.enable()
self.current_flag = self.type_flag[0]
self.auto_pid_out.current_flag = self.current_flag
def pid_turn(self, angle):
self.pid_d_controller.reset()
self.pid_d_controller.setPID(sensor_map.turn_P,
sensor_map.turn_I,
sensor_map.turn_D,
sensor_map.turn_F)
self.pid_d_controller.setOutputRange(sensor_map.output_range_min,
sensor_map.output_range_max)
self.pid_d_controller.setSetpoint(float(angle))
self.pid_d_controller.enable()
self.current_flag = self.type_flag[1]
self.auto_pid_out.current_flag = self.current_flag
def stop_pid(self):
self.pid_d_controller.disable()
self.pid_d_controller.reset()