Client command argument types – Pioneer 2 / PeopleBot User Manual

Page 40

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Pioneer 2 Operating System

IOREQUEST

40

none

Request 1 or a continuous stream (>1) or
tell to stop sending (0) IO SIPs

– 1.E

PTUPOS

41

int

msb is the port number (1-4) and lsb is the
pulse width in 100µsec units PSOS, 10µsec
units P2OS. Version 1.J uses RC-servo
40ms duty cycle.

4.5 1.2

-

1.J

TTY2

42

string

Send string argument to serial device
connected to AUX port on microcontroller

4.2 1.0

GETAUX

43

int

Request to retrieve 1-200 bytes from the
aux serial channel; 0 flushes the aux serial
input buffer.

1.4

BUMP_STALL 44 int Stop

and

register a stall if front (1), rear (2)

or either (3) bump-ring contacted. Off
(default) is 0.

– 1.5

TCM2

45

int

TCM2 Module commands; see TCM2
Manual
for details.

– 1.6

DOCK

46

int

Default is 0=OFF; 1=enable docking
signals; 2=enable docking signals and stop
the robot when docking power sensed.

1.C

JOYDRIVE

47 int Default

is

O=OFF; 1=allow joystick drive

from hardware port

– 1.G

E_STOP

55

none

Emergency stop, overrides deceleration

1.8

E_STALL

56

int

Emergency stop button causes stall on
PeopleBot only

– 1.E

STEP

64

none

Single-step mode (simulator only)

3.x

1.0

ARM

70

80

Please consult the Pioneer 2 Arm Manual
for details.

1.H

ROTKP

82

int

Change rotation’s proportional drive factor

1.J

ROTKV

83 int Change

rotation’s

differential

drive

factor – 1.J

ROTKI

84

int

Change rotation’s integral drive factor

1.J

TRANSKP

85

int

Change translation proportional drive factor

TRANSKV

86

int

Change translation differential drive factor

TRANSKI

87

int

Change translation integral drive factor

PLAYLIST

90

int

Must be 0; request AmigoBot sound playlist

1.E

The client must send a command packet at least once every watchdog (default is two)
seconds (see next chapter). Otherwise, the robot’s onboard drives automatically stop,

but will resume again on receipt of a client packet. To maintain the watchdog, Saphira,
for instance, sends the action-less PULSE command in the absence of other client
commands.

A P2OS command is comprised of a one-byte command number optionally

followed by,

if required by the command, a one-byte description of the argument type and the
argument value.

Client Command Argument Types

There are four types of P2OS client command arguments: none, unsigned integers two

bytes long, signed integers two bytes long, and NULL-terminated strings consisting of as

many as 196 characters.

The byte order, where applicable, is least-significant byte first. Negative integers are

transmitted as their absolute value (unlike information packets, which use sign extension

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