Pioneer 2 / PeopleBot Digin and Digout Test, Analog Tests, User PWMs, Digin Digout, Analog #1 A9

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Joydrive and Self Tests

DIGIN and DIGOUT Test

A subsequent self-test lets you examine the values of the eight digital input (ID0–7) and output (OD0-7) ports associated with User I/O on your ActivMedia robot’s microcontroller. The state of each port is mapped into a series of eight digits displayed on the LCD. Each digit, 0 or 1, representing the ON or OFF state of a port, numbered right-to-left from 0 to 7. For instance, in the example below, digital input (DIGIN) ports 1 and 5 are ON; the rest are OFF:

DIGIN: 00100010

DIGOUT: 01010101

The DIGOUT ports automatically and rhythmically toggle ON and OFF.

The basic microcontroller has no attachments to the I/O ports. Because their normal state is floating, the DIGIN readings will vary. The DIGIN self-test becomes useful, of course, when you have equipment attached to one or more of the digital input ports.

See Appendix A for the location of the digital input and output ports.

ANALOG Tests

P2OS versions 1.2 and later let you alternatively use four of the digital input ports as analog-to-digital (A/D) input ports. And there is one dedicated A/D port on the User I/O connector. The ANALOG self-test measures the voltage (0-5 VDC) applied to each of the A/D ports and display its digitized value as a single byte in hexadecimal on the LCD:

ANALOG #1: A9 13.2*

Press the white MOTORS button to select the next analog port, 2-5. Port #5 is the dedicated and default A/D port. Like DIGIN, the measured value is unreliable unless you connect something to the port.

See Appendix A for the location of the A/D ports on the microcontroller.

User PWMs

P2OS versions 1.2 and later let you alternatively use four of the digital output ports as pulse-width-modulating sources to drive servo motors, for example. The User PWM self- test puts a one millisecond pulse onto each of these four PWM ports. Monitor them with an oscilloscope.

See Appendix A for the location of the PWM ports on the microcontroller.

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Contents Pioneer 2 / PeopleBot TM Page Important Safety Instructions Table of Contents Pioneer 2 Operating System Appendix C Basic Components all shipments IntroductionRobot Package Optional Components and Attachments partial listSoftware Additional ResourcesUser-Supplied Components / System Requirements NewsgroupsSupport Support@activmedia.comWhat Is Pioneer? Client SoftwareHttp//robots.activmedia.com ActivMedia Robotics Basic SuiteAria SaphiraPioneer Pioneer LegacyPioneer 2 and PeopleBot Page Modes of Operation Physical Characteristics Specifications & ControlsMain Components Decks and Console Pioneer 2-AT Console and hinged DeckBody, Nose, and Accessory Panels Sonar Arrays with Gain Adjustment Electronics Batteries and PowerMotors and Position Encoders Controls, Ports, and Indicators Liquid-Crystal Display & Contrast Adjustment Reset and MotorsSerial Pioneer 2 Arm-related SIPs and Commands Safety Watchdogs and ConfigurationPeopleBot Sensors and Emergency Stop Quick Start Preparative AssemblySaphira Client Installation Http//robots.activmedia.comSET SAPHIRA=C\Saphira\ver62 Saphira Client Start-UpRobot Cold Start-Up Export DISPLAY=remotecomputer0Starting Client-Server Communications Successful ConnectionOperating the Saphira Demonstration Client ConnectedQuickstart Troubleshooting Quick Start Joystick Connection Joydrive and Self-TestsJoydrive Operation Press again to begin tests Engaging Self-TestsMotors Test Left forward 13.2Gripper Sonar TestBumpers CompassUser PWMs Digin and Digout TestAnalog Tests Digin DigoutPioneer 2 Operating System Communication Packet ProtocolPacket Data Types Packet ErrorsPacket Checksum Name Data Type Description Client Commands Server Information PacketsBefore Client Connection Client Command Argument Types PtuposProgramming P2OS Saphira Client Command SupportAutoconfiguration Establishing a Client-Server Connection-SYNCKeeping the Beat-PULSE Movement CommandsClosing the Connection-CLOSE Pioneer in Motion PID ControlsSonar Position IntegrationEstop and Estall SfRobotComInt44,1Extended Packets CONFIGpac and Config CommandPacket Processing SERAUXpac and Getaux GRIPPERpac and Griprequest ENCODERpac and Encoder CommandPLAYLISTpac and Playlist Command Checksum Integer Computed checksumInput / Output I/O TCM2pac and TCM2 CommandDIGIN, TIMER, and Adsel SfSMessageDigin is %i,sfRobot.diginDigout and Psupos IOpac and IorequestPerformance PeopleBot IRs Installing the P2OS Utilities Updating & Reconfiguring P2OSWhere to Get P2OS Software Updating P2OSDownload Troubleshooting Enable FlashPut Microcontroller into Download Mode Run p2osdlChanging Configuration Parameters Configuring P2OS Operating ParametersSteps 1-3 Preparing for Configuration Run p2oscfEditing P2OS Parameters Arm Parameters Saving and RestoringSave C\p2os\myP2DX Keyword PID Parameters Encoder and RevcountCalibration Tools revcountcal and compasscal Parameter DXe Performance PBCompasscal /dev/ttyS3 Drive Lubrication Maintenance & RepairBatteries Getting Inside Alternative Battery ChargersRemoving the Nose Opening the Deck Remove indicated screws to remove Original Pioneer 2-AT DeckFactory Repairs Support@activmedia.com 603 924-2184 fax 603 924-9100 voiceAppendix a C166 Controller Ports & ConnectionsInternal Serial Connectors User I/O Expansion PortPerformance PeopleBot I/O Pin Label UseGeneral I/O Bus Appendix B User Power ConnectionsPower Switch J7 and Delayed Shutdown Logic Onboard Computer OptionPower-State Logic Computer PowerJoystick Connector Appendix CSpecifications Appendix DControls and Ports Index ControlsSpecifications Warranty & Liabilities Page Concord Street Peterborough, NH 603

2 / PeopleBot specifications

Pioneer 2, also known as PeopleBot, is an advanced mobile robot platform heralded for its versatile design and robust capabilities. Developed by the renowned robotics company Adept Technology, Pioneer 2 has become a staple in the field of mobile robotics, widely utilized for research, education, and practical applications in various industries.

One of the standout features of Pioneer 2 is its exceptional mobility. The robot is equipped with differential steering, allowing it to navigate complex environments with precision. Its compact and sturdy chassis enables it to traverse a variety of terrains, making it suitable for indoor and outdoor exploration. This mobility is further enhanced by an adaptable wheel configuration, allowing for smooth movement even over obstacles.

In terms of technologies, Pioneer 2 is outfitted with an array of sensors that facilitate autonomous navigation and obstacle avoidance. These sensors include laser range finders, infrared sensors, and bumpers, which work in tandem to map the surrounding environment and detect potential hazards. This capability is critical for applications in areas such as warehouse automation or reconnaissance tasks, where safe navigation is paramount.

Pioneer 2 also supports extensive software frameworks, notably the Robot Operating System (ROS). This compatibility allows researchers and developers to leverage a vast library of tools and algorithms, expediting the process of programming and deploying robotic applications. Additionally, the platform can be integrated with various payloads, such as cameras or grippers, expanding its functionality further.

Another significant characteristic of Pioneer 2 is its user-friendly design. The robot comes with an easy-to-use programming interface that empowers users with varying levels of expertise to engage with the technology. Educational institutions often employ Pioneer 2 in robotics courses to provide students with hands-on experience in programming and operating robotic systems.

Powering Pioneer 2 is a rechargeable battery system that ensures extended operation times. This feature is particularly advantageous for fieldwork applications where connectivity to a power source may not be readily available. Importantly, the robot’s modular design facilitates maintenance and upgrades, allowing users to keep their systems current with advances in technology.

Overall, Pioneer 2 (PeopleBot) exemplifies innovation in mobile robotics with its outstanding mobility, advanced sensing technologies, compatibility with leading software frameworks, and a design focused on ease of use and adaptability. It continues to be a preferred choice for researchers, educators, and professionals in the rapidly evolving landscape of robotics.
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