The usbclient program expects to receive and send certain hard coded
messages. It uses this to work out how to decode the messages it
receives (the output from the Blackberry from USB channels opened using
Connectors has a header, where as output from USB channels opened using
net.rim.device.api.system.USBPort have no header).
On the PC side you should have a look at the usbclient program found at
samples\usbclient in BlackBerry JDEs. Basically you have to make use of
COM to get an IChannelPtr (via IDeviceManagerPtr) which you can then use
to send and receive data.
Of course you could just use the brawchannel tool in Barry to send and
receive any data you want to your BlackBerry application via a simple
command line application :)
Regards,
Toby
On 14/10/2010 23:15, Josh Kropf wrote:
When you run the usbdemo program it sends data to the handheld and the
handheld sends some back. You will see the output from the program on
the command line (stdout) I think (it's been a while since I tinkered
with it).
On 10/14/2010 06:10 PM, Eric Arseneau wrote:
Does that mean that once I run the USBDemo.exe, run it, that the
serial port will work?
On Oct 14, 2010, at 2:53 PM, Josh Kropf wrote:
Eric,
The USBDemo program is important. It sets up the channel for
communicating between the PC and the handheld.
Simply using a terminal emulator on the comm ports is not going to
work I'm afraid.
On 10/14/2010 05:32 PM, Eric Arseneau wrote:
I KNOW this is the wrong list, but your the smartest bunch I've met
in BlackBerry land and I am desperate :(
If this should not be done, then I will refrain from doing it in
future.
I've tried the better part of the day trying to get USB comm's to
work from BB to Windows PC.
I KNOW there is a USBDemo, but it requires that I have the USBDemo
exe on the Windows side.
I am trying to generate some data from app on BB and send it via
serial to an application on desktop via a serial port.
Has anyone been able to do this? I have NO Bluetooth, nor wifi,
nor any other option other than USB cable.
Here is a snippet of the thread I start
printlnTestResult(true, "Send thread started");
try {
connection = (StreamConnection)
Connector.open("comm:USB;baudrate=38400;channel=JDE_USBClient");
outputStream = connection.openOutputStream();
// inputStream = connection.openDataInputStream();
} catch (IOException e) {
printTestResultError(e);
setFailed();
return;
}
printlnTestResult(true, "Connection setup");
int count = 0;
String message = "Hello Jon!!!";
while (isRunning()) {
if ((count % 10) == 0) {
printlnTestResult(true, "About to send: " + message);
try {
outputStream.write(message.getBytes());
} catch (IOException e) {
printTestResultError(e);
}
printlnTestResult(true, "Sent: " + message);
}
count++;
Util.sleep(500);
}
The app jams on the about to send, never gets to Sent:. I am using
hyper terminal on Windows connected to both virtual comm ports on
windows side.
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