~ni/nxt-python

ref: aade1c04513451ed32d01e1cc0fae2835de82792 nxt-python/nxt/sensor/mindsensors.py -rw-r--r-- 29.8 KiB
aade1c04Nicolas Schodet Simplify usage of super() 5 months ago
                                                                                
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# nxt.sensor.mindsensors module -- Classes implementing Mindsensors sensors
# Copyright (C) 2006,2007  Douglas P Lau
# Copyright (C) 2009  Marcus Wanner, Paulo Vieira, rhn
# Copyright (C) 2010  Marcus Wanner, MindSensors
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

import logging

from nxt.sensor import Type, Mode
from .digital import BaseDigitalSensor, SensorInfo
from .analog import BaseAnalogSensor

logger = logging.getLogger(__name__)

class SumoEyes(BaseAnalogSensor):   
    """The class to control Mindsensors Sumo sensor. Warning: long range not
    working for my sensor.
    """
    #range: 5-10cm
    class Reading:
        """Contains the reading of SumoEyes sensor. left and right can be True or
        False. If True, then there is something there, if False, then it's empty
        there.
        """
        def __init__(self, raw_reading):
            self.raw = raw_reading
            val = raw_reading.normalized_value # FIXME: make it rely on raw_value
            right = 600 < val < 700
            both = 700 <= val < 900
            left = 300 < val < 400
            self.left = left or both
            self.right = right or both
        
        def __str__(self):
            return '(left: ' + str(self.left) + ', right: ' + str(self.right) + ')'

    def __init__(self, brick, port, long_range=False):
        super().__init__(brick, port)
        self.set_long_range(long_range)
        
    def set_long_range(self, val):
        """Sets if the sensor should operate in long range mode (12 inches) or
        the short range mode (6 in). val should be True or False.
        """
        if val:
            type_ = Type.LIGHT_INACTIVE
        else:
            type_ = Type.LIGHT_ACTIVE
        self.set_input_mode(type_, Mode.RAW)
    
    def get_sample(self):
        """Returns the processed meaningful values of the sensor"""
        return self.Reading(self.get_input_values())


class Compassv2(BaseDigitalSensor):
    """Class for the now-discontinued CMPS-Nx sensor. Also works with v1.1 sensors.
Note that when using a v1.x sensor, some of the commands are not supported!
To determine your sensor's version, use get_sensor_info().version"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command': (0x41, '<B'),
                        'heading': (0x42, '<H'),
                        'x_offset': (0x44, '<h'), #unsure about signedness for this one
                        'y_offset': (0x46, '<h'), #and this one
                        'x_range': (0x48, '<H'),
                        'y_range': (0x4A, '<H'),
                        'x_raw': (0x4C, '<H'), #and this one
                        'y_raw': (0x4E, '<H'), #and this one
    })
    
    class Commands:
        AUTO_TRIG_ON = 'A'
        AUTO_TRIG_OFF = 'S'
        MAP_HEADING_BYTE = 'B'      # map heading to 0-255 range
        MAP_HEADING_INTEGER = 'I'   # map heading to 0-36000 (or 3600) range
        SAMPLING_50_HZ = 'E'        # set sampling frequency to 50 Hz
        SAMPLING_60_HZ = 'U'        # set sampling frequency to 60 Hz
        SET_ADPA_MODE_ON = 'N'      # set ADPA mode on
        SET_ADPA_MODE_OFF = 'O'     # set ADPA mode off
        BEGIN_CALIBRATION = 'C'     # begin calibration
        DONE_CALIBRATION = 'D'      # done with calibration
        LOAD_USER_CALIBRATION = 'L' # load user calibration value
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)
        self.command(self.Commands.MAP_HEADING_INTEGER)

    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))
    
    def get_heading(self):
        return self.read_value('heading')[0]
        
    get_sample = get_heading

Compassv2.add_compatible_sensor(None, 'mndsnsrs', 'CMPS')


class DIST(BaseDigitalSensor):  
    """Class for the Distance Infrared Sensor"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command': (0x41, '<B'),
                        'distance': (0x42, '<H'),
                        'voltage': (0x44, '<H'),
                        'type': (0x50, '<B'),
                        'no_of_data_points': (0x51, '<B'),
                        'min_distance': (0x52, '<H'),
                        'max_distance': (0x54, '<H'),
    })

    class Commands:
        TYPE_GP2D12 = '1' #GP2D12 sensor Module
        TYPE_GP2D120 = '2' #Short range sensor Module
        TYPE_GP2Y0A21YK = '3' #Medium range sensor Module
        TYPE_GP2Y0A02YK = '4' #Long range sensor Module
        TYPE_CUSTOM = '5' #Custom sensor Module
        POWER_ON = 'E' #Sensor module power on
        POWER_OFF = 'D' #Sensor module power offset
        ADPA_ON = 'N' #ADPA mode on
        ADPA_OFF = 'O' #ADPA mode off (default)
    
    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))
    
    def get_distance(self):
        return self.read_value('distance')[0]

    get_sample = get_distance

    def get_type(self):
        return self.read_value('type')[0]
        
    def get_voltage(self):
        return self.read_value('voltage')[0]
    
    def get_min_distance(self):
        return self.read_value('min_distance')[0]
        
    def get_max_distance(self):
        return self.read_value('max_distance')[0]

DIST.add_compatible_sensor(None, 'mndsnsrs', 'DIST')


class RTC(BaseDigitalSensor):
    """Class for the RealTime Clock sensor (DS1307)"""
    #TODO: Create a function to set the clock
    #Has no identification
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'seconds': (0x00, '<B'),
                        'minutes': (0x01, '<B'),
                        'hours':   (0x02, '<B'),
                        'day':     (0x03, '<B'),
                        'date':    (0x04, '<B'),
                        'month':   (0x05, '<B'),
                        'year':    (0x06, '<B'),
                      })
    I2C_DEV = 0xD0

    def __init__(self, brick, port):
        super().__init__(brick, port, check_compatible=False)

    def get_seconds(self):  
        gs = self.read_value('seconds')[0]
        gs2 = gs & 0xf  # bitmasks
        gs3 = gs & 0x70
        gs3 = gs3 >> 4
        return str(gs3) + str(gs2)
    
    def get_minutes(self):
        gm = self.read_value('minutes')[0]
        gm2 = gm & 0xf
        gm3 = gm & 0x70
        gm3 = gm3 >> 4
        return str(gm3) + str(gm2)
        
    def get_hours(self):    
        gh = self.read_value('hours')[0]
        gh2 = gh & 0xf
        gh3 = gh & 0x30
        gh3 = gh3 >> 4
        return str(gh3) + str(gh2)

    def get_day(self):      
        gwd = self.read_value('day')[0]
        gwd = gwd & 0x07
        return gwd

    def get_month(self):    
        gmo = self.read_value('month')[0]
        gmo2 = gmo & 0xf
        gmo3 = gmo & 0x10
        gmo3 = gmo3 >> 4
        return str(gmo3) + str(gmo2)

    def get_year(self):
        """Last two digits (10 for 2010)"""
        gy = self.read_value('year')[0]
        gy2 = gy & 0xf
        gy3 = gy & 0xF0
        gy3 =  gy3 >> 4
        return str(gy3) + str(gy2)

    def get_date(self):
        gd = self.read_value('date')[0]
        gd2 = gd & 0xf
        gd3 = gd & 0x60
        gd3 = gd3 >> 4
        return str(gd3) + str(gd2)

    def hour_mode(self, mode):
        """Writes mode bit and re-enters hours, which is required"""
        if mode == 12 or 24:
            hm = self.read_value('hours')[0]
            hm2 = hm & 0x40
            hm2 = hm2 >> 6
            if mode == 12 and hm2 == 0:  #12_HOUR = 1
                hm3 = hm + 64
                self.write_value('hours', (hm3, ))
            elif mode == 24 and hm2 == 1:  #24_HOUR = 0
                hm3 = hm - 64
                self.write_value('hours', (hm3, ))
        else:
            raise ValueError('Must be 12 or 24!')

    def get_mer(self):
        mer = self.read_value('hours')[0]
        mer2 = mer & 0x40
        mer2 = mer2 >> 6
        if mer2 == 1:
            mer3 = mer & 0x20
            mer3 = mer3 >> 0x10
            return mer3
        else:
            logger.error('cannot get mer in 24-hour mode')
    
    def get_sample(self):
        """Returns a struct_time() tuple which can be processed by the time module."""
        import time
        return time.struct_time((
            int(self.get_year())+2000,
            int(self.get_month()),
            int(self.get_date()),
            int(self.get_hours()),
            int(self.get_minutes()),
            int(self.get_seconds()),
            int(self.get_day()),
            0, #Should be the Julian Day, but computing that is hard.
            0 #No daylight savings time to worry about here.
            ))


class ACCL(BaseDigitalSensor):
    """Class for Accelerometer sensor"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'sensitivity':  (0x19, 'B'),
                        'command':      (0x41, 'B'),
                        'x_tilt':       (0x42, 'b'),
                        'y_tilt':       (0x43, 'b'),
                        'z_tilt':       (0x44, 'b'),
                        'all_tilt':     (0x42, '3b'),

                        'x_accel':      (0x45, '<h'),
                        'y_accel':      (0x47, '<h'),
                        'z_accel':      (0x49, '<h'),
                        'all_accel':    (0x45, '<3h'),

                        'x_offset': (0x4B, '<h'),
                        'x_range':  (0x4D, '<h'),

                        'y_offset': (0x4F, '<h'),
                        'y_range':  (0x51, '<h'),

                        'z_offset': (0x53, '<h'),
                        'z_range':  (0x55, '<h'),
                      })
    
    class Commands:
        SENS_15G = '1' #that's 1.5...Alt. 2.5G (sensors older than V3.20)
        SENS_2G = '2' #Alt .3.3G
        SENS_4G = '3' #Alt. 6.7G
        SENS_6G = '4' #Alt. 10G
        X_CALIBRATION = 'X' #Acquire X point calibration
        X_CAL_AND_END = 'x' #X point calibration and end calibration
        Y_CALIBRATION = 'Y' #Acquire Y point calibration
        Y_CAL_AND_END = 'y' #Y point calibration and end calibration
        Z_CALIBRATION = 'Z' #Acquire Z point calibration
        Z_CAL_AND_END = 'z' #Z point calibration and end calibration
        CAL_RESET = 'R' #Reset to factory set calibration
        ADPA_ON = 'N' #Set ADPA mode On
        ADPA_OFF = 'O' #Set ADPA mode Off (default)
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)

    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))
    
    def get_sensitivity(self):
        return chr(self.read_value('sensitivity')[0])

    def get_tilt(self, axis):
        xyz = str(axis) + '_tilt'
        return self.read_value(xyz)[0]
    
    def get_all_tilt(self):
        return self.read_value('all_tilt')
    
    def get_accel(self, axis):
        xyz = str(axis) + '_accel'
        return self.read_value(xyz)[0]
    
    def get_all_accel(self):
        return self.read_value('all_accel')
    
    get_sample = get_all_accel

    def get_offset(self, axis):
        xyz = str(axis) + '_offset'
        return self.read_value(xyz)[0]

    def get_range(self, axis):
        xyz = str(axis) + '_range'
        return self.read_value(xyz)[0]

    def set_offset(self, axis, value):
        xyz = str(axis) + '_offset'
        self.write_value(xyz, (value, ))

    def set_range(self, axis, value):
        xyz = str(axis) + '_range'
        self.write_value(xyz, (value, ))

ACCL.add_compatible_sensor(None, 'mndsnsrs', 'ACCL-NX') #Tested with version 'V3.20'


class MTRMUX(BaseDigitalSensor):
    """Class for RCX Motor Multiplexer sensor"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command'     :  (0x41, '<B'),
                        'direction_m1':  (0x42, '<B'),
                        'speed_m1':      (0x43, '<B'),
                        'direction_m2':  (0x44, '<B'),
                        'speed_m2':      (0x45, '<B'),
                        'direction_m3':  (0x46, '<B'),
                        'speed_m3':      (0x47, '<B'),
                        'direction_m4':  (0x48, '<B'),
                        'speed_m4':      (0x49, '<B'),
                      })
    I2C_DEV = 0xB4
    
    class Commands:
        FLOAT = 0x00
        FORWARD = 0x01
        REVERSE = 0x02
        BRAKE = 0x03    
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)

    def command(self, command):
        self.write_value('command', (command, )) 

    def set_direction(self, number, value):
        addressname = 'direction_m' + str(number)
        self.write_value(addressname, (value, ))

    def set_speed(self, number, value):
        addressname = 'speed_m' + str(number)
        self.write_value(addressname, (value, ))

    def get_direction(self, number):
        addressname = 'direction_m' + str(number)
        return self.read_value(addressname)[0]

    def get_speed(self, number):
        addressname = 'speed_m' + str(number)
        return self.read_value(addressname)[0]

MTRMUX.add_compatible_sensor(None, 'mndsnsrs', 'MTRMUX') #Tested with version 'V2.11'


class LineLeader(BaseDigitalSensor):
    """Class for Line Sensor Array"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command':   (0x41, '<B'),
                        'steering':  (0x42, '<b'),
                        'average':   (0x43, '<B'),
                        'result':    (0x44, '<B'),
                        'set_point': (0x45, '<B'),
                
                        'kp':        (0x46, '<B'),
                        'ki':        (0x47, '<B'),
                        'kd':        (0x48, '<B'),
                        'kp_divisor':(0x61, '<B'),
                        'ki_divisor':(0x62, '<B'),
                        'kd_divisor':(0x63, '<B'),
                 #One byte for each sensor, so byte# = sensor#
                        'calibrated_reading_byte1':  (0x49, '<B'),
                        'calibrated_reading_byte2':  (0x4A, '<B'),
                        'calibrated_reading_byte3':  (0x4B, '<B'),
                        'calibrated_reading_byte4':  (0x4C, '<B'),
                        'calibrated_reading_byte5':  (0x4D, '<B'),
                        'calibrated_reading_byte6':  (0x4E, '<B'),
                        'calibrated_reading_byte7':  (0x4F, '<B'),
                        'calibrated_reading_byte8':  (0x50, '<B'),
                        'all_calibrated_readings':   (0x49, '<8B'),

                        'w_read_limit':(0x51, '<H'),
                        'b_read_limit':(0x59, '<B'),
                        'w_cal_data1':(0x64, '<B'),
                        'b_cal_data':(0x6C, '<B'),

                        'uncal_sensor1_voltage_byte1':(0x74, '<B'),
                        'uncal_sensor2_voltage_byte1':(0x76, '<B'),
                        'uncal_sensor3_voltage_byte1':(0x78, '<B'),
                        'uncal_sensor4_voltage_byte1':(0x7A, '<B'),
                        'uncal_sensor5_voltage_byte1':(0x7C, '<B'),
                        'uncal_sensor6_voltage_byte1':(0x7E, '<B'),
                        'uncal_sensor7_voltage_byte1':(0x80, '<B'),
                        'uncal_sensor8_voltage_byte1':(0x82, '<B'),
                        'all_uncal_readings':         (0x74, '<8B'),
                      })
    
    class Commands:
        CALIBRATE_WHITE = 'W'
        CALIBRATE_BLACK = 'B'
        SENSOR_SLEEP = 'D'
        US_CONFIG = 'A'
        EU_CONFIG = 'E'
        UNI_CONFIG = 'U'
        SENSOR_WAKE = 'P'
        COLOR_INVERT = 'I'
        COLOR_INVERT_REVERSE = 'R'
        SNAPSHOT = 'S'
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)

    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))

    def get_steering(self):
        'Value to add to the left and subtract from the right motor\'s power.'
        return self.read_value('steering')[0]

    def get_average(self):
        'Weighted average; greater as line is closer to right edge. 0 for no line.'
        return self.read_value('average')[0]

    def get_result(self):
        'Bitmap, one bit for each sensor'
        return self.read_value('result')[0]

    def set_set_point(self, value):
        'Average value for steering to gravitate to. 10 (left) to 80 (right).'
        self.write_value('set_point', (value, ))

    def set_pid(self, pid, value):
        addressname = 'k' + str(pid)
        self.write_value(addressname, (value, ))

    def set_pid_divisor(self, pid, value):
        addressname = 'k' + str(pid) +  '_divisor'
        self.write_value(addressname, (value, ))

    def get_reading(self, number):
        addressname = 'calibrated_reading_byte' + str(number)
        return self.read_value(addressname)[0]
    
    def get_reading_all(self):
        return self.read_value('all_calibrated_readings')
    
    get_sample = get_reading_all
    
    def get_uncal_reading(self, number):
        addressname = 'uncal_sensor' + str(number) + '_voltage_byte1'
        return self.read_value(addressname)[0]
    
    def get_uncal_all(self):
        return self.read_value('all_uncal_readings')

LineLeader.add_compatible_sensor(None, 'mndsnsrs', 'LineLdr') #Tested with version 'V1.16'


class Servo(BaseDigitalSensor):
    """Class for Servo sensors"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command'  : (0x41, '<B'),

                        'servo_1_pos':  (0x42, '<H'),
                        'servo_2_pos':  (0x44, '<H'),
                        'servo_3_pos':  (0x46, '<H'),
                        'servo_4_pos':  (0x48, '<H'),
                        'servo_5_pos':  (0x4A, '<H'),
                        'servo_6_pos':  (0x4C, '<H'),
                        'servo_7_pos':  (0x4E, '<H'),
                        'servo_8_pos':  (0x50, '<H'),

                        'servo_1_speed':    (0x52, '<B'),
                        'servo_2_speed':    (0x53, '<B'),
                        'servo_3_speed':    (0x54, '<B'),
                        'servo_4_speed':    (0x55, '<B'),
                        'servo_5_speed':    (0x56, '<B'),
                        'servo_6_speed':    (0x57, '<B'),
                        'servo_7_speed':    (0x58, '<B'),
                        'servo_8_speed':    (0x59, '<B'),
                  
                        'servo_1_quick':      (0x5A, '<B'),
                        'servo_2_quick':      (0x5B, '<B'),
                        'servo_3_quick':      (0x5C, '<B'),
                        'servo_4_quick':      (0x5D, '<B'),
                        'servo_5_quick':      (0x5E, '<B'),
                        'servo_6_quick':      (0x5F, '<B'),
                        'servo_7_quick':      (0x60, '<B'),
                        'servo_8_quick':      (0x61, '<B'),
                     })
    I2C_DEV = 0xB0
    
    COMMANDVALUES = {'R':  (0x52),   #Resume macro execution
                'S':  (0x53),   #reset initial position and speed
                'I1': (0x4931), #store initial position motor 1
                'I2': (0x4932), #store initial position motor 2
                'I3': (0x4933), #etc...
                'I4': (0x4934),
                'I5': (0x4935),
                'I6': (0x4936),
                'I7': (0x4937),
                'I8': (0x4938),
                'H':  (0x48),   #Halt macro
                'Gx': (0x4778), #not going to work yet x = variable
                'EM': (0x454d), #Edit Macro
                'P':  (0x50),   #Pause Macro
                }
    
    class Commands:
        RESUME_MACRO = 'R'
        RESET_POS_SPEED = 'S'
        STORE_MOTOR_POS_1 = 'I1'
        STORE_MOTOR_POS_2 = 'I2'
        STORE_MOTOR_POS_3 = 'I3'
        STORE_MOTOR_POS_4 = 'I4'
        STORE_MOTOR_POS_5 = 'I5'
        STORE_MOTOR_POS_6 = 'I6'
        STORE_MOTOR_POS_7 = 'I7'
        STORE_MOTOR_POS_8 = 'I8'
        HALT_MACRO = 'H'
        X_TO_VAR = 'Gx' #not going to work yet
        EDIT_MACRO = 'EM'
        PAUSE_MACRO = 'P'
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)
        
    def command(self, command):
        value = self.COMMANDVALUES[command]
        self.write_value('command', (value, ))
    
    def get_bat_level(self):
        return self.read_value('command')[0]

    def set_position(self, number, value):
       addressname = 'servo_' + str(number) + '_pos'
       self.write_value(addressname, (value, ))
    
    def get_position(self, number):
        return self.read_value('servo_' + str(number) + '_pos')[0]
    
    def set_speed(self, number, value):
       addressname = 'servo_' + str(number) + '_speed'
       self.write_value(addressname, (value, ))
    
    def get_speed(self, number):
        return self.read_value('servo_' + str(number) + '_speed')[0]
    
    def set_quick(self, number, value):
           addressname = 'servo_' + str(number) + '_quick'
           self.write_value(addressname, (value, ))
            
Servo.add_compatible_sensor(None, 'mndsnsrs', 'NXTServo') #Tested with version 'V1.20'


class MMX(BaseDigitalSensor):
    """Class for MMX sensors"""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command'  :        (0x41, '<B'),
                        #Motor Writes
                        'encoder_1_target': (0x42, '<l'),
                        'speed_1':          (0x46, '<B'),
                        'seconds_to_run_1': (0x47, '<B'),
                        'command_b_1':      (0x48, '<B'),
                        'command_a_1':      (0x49, '<B'),

                        'encoder_2_target': (0x4A, '<l'),
                        'speed_2':          (0x4E, '<B'),
                        'seconds_to_run_2': (0x4F, '<B'),
                        'command_b_2':      (0x50, '<B'),
                        'command_a_2':      (0x51, '<B'),
                        #Motor reads
                        'encoder_1_pos':    (0x62, '<H'),
                        'encoder_2_pos':    (0x66, '<H'),
                        'status_m1':        (0x72, '<B'),
                        'status_m2':        (0x73, '<B'),
                        'tasks_running_m1': (0x76, '<H'),
                        'tasks_running_m2': (0x77, '<H'),
                        #PID Control
                        'p_encoder':       (0x7A, '<H'),
                        'i_encoder':       (0x7C, '<H'),
                        'd_encoder':       (0x7E, '<H'),
                        'p_speed':         (0x80, '<H'),
                        'i_speed':         (0x82, '<H'),
                        'd_speed':         (0x84, '<H'),
                        'pass_count':       (0x86, '<B'),
                        'tolerance':        (0x87, '<B'),
                  })      
    I2C_DEV = 0x06
    
    class Commands:
        RESET_PARAMS_ENCODERS = 'R'
        ISSUE_SYNCED_COMMANDS = 'S'
        MOTOR_1_FLOAT_STOP = 'a'
        MOTOR_2_FLOAT_STOP = 'b'
        BOTH_FLOAT_STOP = 'c'
        MOTOR_1_BRAKE_STOP = 'A'
        MOTOR_2_BRAKE_STOP = 'B'
        BOTH_BRAKE_STOP = 'C'
        MOTOR_1_ENC_RESET = 'r'
        MOTOR_2_ENC_RESET = 's'
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)
    
    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))
    
    def get_bat_level(self):
        return self.read_value('command')[0]

    def set_encoder_target(self, motor_number, value):
        addressname = 'encoder_' + str(motor_number) + '_target'
        self.write_value(addressname, (value, ))

    def set_speed(self, motor_number, value):
        addressname = 'speed_' + str(motor_number)
        self.write_value(addressname, (value, ))

    def set_time_run(self, motor_number, seconds):
        addressname = 'seconds_to_run_' + str(motor_number)
        self.write_value(addressname, (seconds, ))

    def command_b(self, motor_number, value):
        addressname = 'command_b_' + str(motor_number)
        self.write_value(addressname, (value, ))

    def command_a(self, motor_number, bit_num, bit_val):
        addressname = 'command_a_' + str(motor_number)
        s = self.read_value(addressname)[0]
        #I feel like there must be an easier way to write one bit...
        val = bit_val << bit_num
        if bit_val == 1:    
            value = val | s
            self.write_value(addressname, (value, ))
            return value #testing purposes
        elif bit_val == 0:
            val = 1
            val = val << bit_num
            val = val ^ 0xFF
            value = val & s
            self.write_value(addressname, (value, ))
            return value
            
    def get_encoder_pos(self, motor_number):
        addressname = 'encoder_' +str(motor_number) +'_pos'
        return self.read_value(addressname)[0]
        
    def get_motor_status(self, motor_number, bit_num):
        addressname = 'status_m' + str(motor_number)
        s = self.read_value(addressname)[0]
        x = 1
        x = x << bit_num
        value = x & s
        value = value >> bit_num
        return value

    def get_tasks(self, motor_number):
        addressname = 'tasks_running_m' + str(motor_number)
        return self.read_value(addressname)[0]

    def set_pid(self, pid, target, value):
        addressname = str(pid) + '_' + str(target)
        self.write_value(addressname, (value, ))

    def set_pass_count(self, value):
        self.write_value('pass_count', (value, ))
        
    def set_tolerance(self, value):
        self.write_value('tolerance', (value, ))
        
MMX.add_compatible_sensor(None, 'mndsnsrs', 'NxTMMX') #Tested with version 'V1.01'


class HID(BaseDigitalSensor):
    """Class for Human Interface Device sensors.
These are connected to a computer and look like a keyboard to it."""
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command'  :        (0x41, '<B'),
                        'modifier'  :       (0x42, '<B'),
                        'keyboard_data'  :  (0x43, '<B'),
                        })
    I2C_DEV = 0x04
    
    class Commands:
        TRANSMIT = 'T'
        ASCII_MODE = 'A'
        DIRECT_MODE = 'D'
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)
    
    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))
    
    def set_modifier(self, mod):
        self.write_value('modifier', (mod, ))
    
    def write_data(self, data):
        data = ord(data)
        self.write_value('keyboard_data', (data, ))
                
HID.add_compatible_sensor(None, 'mndsnsrs', 'NXTHID') #Tested with version 'V1.02'


class PS2(BaseDigitalSensor):   
    I2C_ADDRESS = BaseDigitalSensor.I2C_ADDRESS.copy()
    I2C_ADDRESS.update({'command'  :        (0x41, '<B'),
                        'button_set_1':     (0x42, '<B'),
                        'button_set_2':     (0x43, '<B'),
                        'x_left_joystick':  (0x44, '<b'),
                        'y_left_joystick':  (0x45, '<b'),
                        'x_right_joystick': (0x46, '<b'),
                        'y_right_joystick': (0x47, '<b'),
                        })
    
    class ControllerState:
        class Buttons:
            left, down, right, up, square, cross, circle, triangle, r1, r2, r3, l1, l2, l3 = [0 for i in range(14)] #14 zeros
        def __init__(self, buttons_1, buttons_2, left_x, left_y, right_x, right_y):
            self.leftstick = (left_x, left_y)
            self.rightstick = (right_x, right_y)
            buttons_1 = ~buttons_1
            buttons_2 = ~buttons_2
            self.buttons = self.Buttons()
            self.buttons.left = bool(buttons_1 & 0x80)
            self.buttons.down = bool(buttons_1 & 0x40)
            self.buttons.right = bool(buttons_1 & 0x20)
            self.buttons.up = bool(buttons_1 & 0x10)
            self.buttons.square = bool(buttons_2 & 0x80)
            self.buttons.cross = bool(buttons_2 & 0x40)
            self.buttons.circle = bool(buttons_2 & 0x20)
            self.buttons.triangle = bool(buttons_2 & 0x10)
            self.buttons.r1 = bool(buttons_2 & 0x08)
            self.buttons.r2 = bool(buttons_2 & 0x02)
            self.buttons.r3 = bool(buttons_1 & 0x04)
            self.buttons.l1 = bool(buttons_2 & 0x04)
            self.buttons.l2 = bool(buttons_2 & 0x01)
            self.buttons.l3 = bool(buttons_1 & 0x02)
    
    class Commands:
        POWER_ON = 'E'
        POWER_OFF = 'D'
        DIGITAL_MODE = 'A'
        ANALOG_MODE = 's'
        ADPA_ON = 'N'
        ADPA_OFF = 'O'
    
    def __init__(self, brick, port, check_compatible=True):
        super().__init__(brick, port, check_compatible)
    
    def command(self, command):
        value = ord(command)
        self.write_value('command', (value, ))

    def get_joystick(self, xy, lr):
        addressname = str(xy) + '_' + str(lr) + '_joystick'
        return self.read_value(addressname)[0]

    def get_buttons(self, setnum):
        addressname = 'button_set_' + str(setnum)
        return self.read_value(addressname)[0]
    
    def get_sample(self):
        return self.ControllerState(
            self.get_buttons(1),
            self.get_buttons(2),
            self.get_joystick('x', 'left'),
            self.get_joystick('y', 'left'),
            self.get_joystick('x', 'right'),
            self.get_joystick('y', 'right'))

PS2.add_compatible_sensor(None, 'mndsnsrs', 'PSPNX') #Tested with version 'V2.00'