Configpac and config command, Serial port communications, Changing baud rates and autobauding – Pioneer 2TM User Manual

Page 50: Erial port communications

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ActivMedia Robotics Operating System

received a command from a client. Restarts on restoration
of connection.

P2M

PACS

byte 1 enables alternative SIP.

S

TALL

V

AL

int

Maximum PWM before stall. If > PwmMax, never.

S

TALL

C

OUNT

int

Ms time after a stall for recovery. Motors not engaged
during this time.

J

OY

V

EL

int

Joystick translation velocity setting, mm/sec

J

OY

RV

EL

int

Joystick rotation velocity setting in deg/sec

R

OT

V

EL

M

AX

int

Current max rotational speed; deg/sec.

T

RANS

V

EL

M

AX

int

Current max translational speed; mm/sec.

R

OT

A

CC

int

Current rotational acceleration; deg/sec

2

R

OT

D

ECEL

int

Current rotational deceleration; deg/sec

2

R

OT

K

P

int

Current Proportional PID for rotation

R

OT

K

V

int

Current Derivative PID for rotation

R

OT

K

I

int

Current Integral PID for rotation

T

RANS

A

CC

int

Current translational acceleration; mm/sec

2

T

RANS

D

ECEL

int

Current translational deceleration; mm/sec

2

T

RANS

K

P

int

Current Proportional PID for translation

T

RANS

K

V

int

Current Derivative PID for translation

T

RANS

K

I

int

Current Integral PID for translation

ADDED IN AROS 1.6

F

RONT

B

UMPS

byte Number of front bumper segments

R

EAR

B

UMPS

byte Number of rear bumper segments

ADDED IN AROS 1.7

CHARGER

byte 1 if P3 or 2 if PowerBot automated charger mechanism and

circuitry installed in robot; otherwise 0

ADDED IN AROS 1.8

S

ONAR

C

YCLE

byte Sonar duty cycle time in milliseconds

A

UTO

B

AUD

byte 1 if can change baud rates; 2 if auto-baud implemented

H

AS

G

YRO

byte 1 if has the gyro device; otherwise 0

CONFIGpac and CONFIG Command

Send the CONFIG command #18 without an argument to have AROS send back a
CONFIGpac SIP packet type 32 (0x20) server information packet containing the robot's
operational parameters. Use the CONFIGpac to examine many of your robot’s default

FLASH_based settings or their working values, when appropriate, as changed by other
client commands, such as SETV and ROTKV. A table nearby gives details about the

configuration packet data.

S

ERIAL PORT COMMUNICATIONS

AROS provides two-way communications through the HOST client-server communication

port and to and through two auxillary serial ports on the microcontroller, AUX1 and AUX2.

Changing Baud Rates and Autobauding

The baud rates for the HOST, AUX1, and AUX2 ports initially are set from their respective
FLASH-based defaults and get reset to those values whenever the controller is reset or

upon client disconnection. For advanced serial port management from the client side, in

AROS 1.8 and later we provide three client commands which let your software reset the
HOST (HOSTBAUD #50), AUX1 (AUX1BAUD #51), and AUX2 (AUX2BAUD #52) serial port baud

rates, respectively. Use the integer command argument values: 0=9600, 1=19.2K, 2=38.8K,
3=57.6K or 4=115.2K baud.

44

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3TM