IR Ping - This program allows to check the communication between a Palm III or a PalmPilot Professional with IrDA extension and other IrDA devices or another PalmPilot. The current version tries to access a IrCOMM port. This is present in most printers and Palm devices with PalmOS >= 3.3.
IR Ping uses the built-in IrDA stack of these devices and allows to play around with various IrDA functions and commands:
Discover - This command starts a discovery on the IrDA medium. All devices within the range are displayed with hardware address, hint bits and device name. The first device discovered will be used for the connect/test commands.
Connect IrLap - With 'Connect IrLap' a IrLap connection is set up to the first device discovered during the discovery.
Discon Irlap - Disconnect a running IrLap connection
Connect TP - Tries to set up a TinyTP connection. Therefore requests the receivers TinyTP-Lsap from the IAS data base of the receiver and on receipt requests the TinyTP connection.
Connect LMP - Sets up a IrLMP session. Requests the receivers IrLMP-Lsap from its IAS data base and requests a IrLMP connection. Some devices (e.g. the windows95 ir stack) have a short timeout between setup of the IrLap connection and the TP/LMP connection has to be set up shortly after the IrLap connection is established. Otherwise the device sends a disconnect.
TestReq - With this function a IrDA test is requested.
SendReq - The transmission of a data packet is requested. IR Ping sends 16 bytes (0x00, 0x01, 0x02 ... 0x0f) to the connected machine.
RxSize - The command displays the maximum packet size, the connected machine will transmit.
TxSize - This command displays the maximum paket size that can be transmitted.
DeviceName - This command requests the DeviceName from the receiver IAS data base. The answer is displayed with the next IAS callback.
All feedback, error and status information is displayed in a scrollable 80 lines buffer display.
What to do with this program?
This program is intended as a base for real IrDA applications. Just use IR Ping to check if your printer, cellular phone, notebook or PDA really talks the IrDA protocol and start writing an application like:
* printer driver for IR printer
* interactive (action) games
* internet communication over cellular phones
* backup, restore or HotSync to IrDA notebooks
* or just code segments like a selector box showing all IrDA devices in range and let the user select one
* ...
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Supported operating systems:
Palm OS 3.x, Palm OS 4.x, Palm OS 5.x
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