Using the Demo Application
In the example of Figure 12-4, the demo will handle 10 transfers. Each transfer is sent after
the header following the simple protocol described in Figure 12-3. The first transfer will
have a data payload of 1 byte. Then subsequent transfers will have their size incremented of
1 byte until the last transfer. In our example, the last transfer will have 10 bytes. Figure 12-5
presents the execution.
12
Figure 12-5 Demo Application Execution (Single Device)
The demo will propose to do a new execution. Figure 12-5 shows the example of a single
device with 1 vendor interface. The demo is able to communicate with each vendor
interface in the case of a composite device. In that case, the demo will open bulk IN and
OUT pipes for each interface. You will be asked the maximum number of transfers for each
interface composing the device. Figure 12-6 shows an example of composite device.
227
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