RxUsbIrqWrite

Description

Executes synchronous host-to-device Interrupt Transfer with a specific endpoint.

Syntax

rc = RxUsbIrqWrite(Handle,Endpoint,AltSetting,NumBytes,Data,Timeout) 

Parameters

Handle

the Device Handle received from the previous RxUsbOpen.

Endpoint

the Endpoint Number with the Direction Bit set to zero.

AltSetting

the Alternate Setting of the interface having this endpoint.

NumBytes

the name of the variable to receive the number of bytes transferred.

Data

the character string if any with the data bytes to be transferred.

Timeout

the timeout to wait for completion in milliseconds.

Example Code

/* add RxUsbIrqWrite */
rc = RxFuncAdd('RxUsbIrqWrite','usbcalls','RxUsbIrqWrite')
say '+RxUsbIrqWrite(),RC=0x'd2x(rc)

/* invoke RxUsbIrqWrite */
drop NumBytes /* receives number of data bytes written */
Endpoint=2; AltSetting=0; Data=copies(x2c(DB),4096); Timeout=8000
rc = RxUsbIrqWrite(Handle,Endpoint,AltSetting,NumBytes,Data,Timeout)
say '*RxUsbIrqWrite(),RC=0x'd2x(rc)

/* drop RxUsbIrqWrite */
rc = RxFuncDrop('RxUsbIrqWrite')
say '-RxUsbIrqWrite(),RC=0x'd2x(rc)