RxUsbDeviceGetConfiguration: Difference between revisions
Created page with "==Description== Executes the Standard Device Request that obtains the current Configuration Value. ==Syntax== <pre> rc = RxUsbDeviceGetConfiguration(Handle,Config) </pre> =..." |
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==Return Code== | ==Return Code== | ||
<pre> | |||
0x0000 - NO_ERROR | |||
</pre> | |||
===Errors=== | ===Errors=== | ||
<pre> | |||
0x0006 - ERROR_INVALID_HANDLE | |||
0x0008 - ERROR_NOT_ENOUGH_MEMORY | |||
0x0057 - ERROR_INVALID_PARAMETER | |||
0x005F - ERROR_INTERRUPT | |||
0x0122 - ERROR_TOO_MANY_HANDLES | |||
0x0280 - ERROR_TIMEOUT | |||
0x1B58 - USB_NOT_INIT | |||
0x4000 - USB_IORB_REQUEST | |||
0x80XX - USB_IORB_FAILED | |||
</pre> | |||
==Remarks== | ==Remarks== | ||
Revision as of 16:54, 22 January 2017
Description
Executes the Standard Device Request that obtains the current Configuration Value.
Syntax
rc = RxUsbDeviceGetConfiguration(Handle,Config)
Parameters
- Handle
- the Device Handle received from the previous RxUsbOpen.
- Config
- the name of the variable to receive the Configuration Value.
Return Code
0x0000 - NO_ERROR
Errors
0x0006 - ERROR_INVALID_HANDLE 0x0008 - ERROR_NOT_ENOUGH_MEMORY 0x0057 - ERROR_INVALID_PARAMETER 0x005F - ERROR_INTERRUPT 0x0122 - ERROR_TOO_MANY_HANDLES 0x0280 - ERROR_TIMEOUT 0x1B58 - USB_NOT_INIT 0x4000 - USB_IORB_REQUEST 0x80XX - USB_IORB_FAILED
Remarks
Example Code
/* add RxUsbDeviceGetConfiguration */
rc = RxFuncAdd('RxUsbDeviceGetConfiguration','usbcalls','RxUsbDeviceGetConfiguration')
say '+RxUsbDeviceGetConfiguration(),RC=0x'd2x(rc)
/* invoke RxUsbDeviceGetConfiguration */
drop Config /* receives configuration value */
rc = RxUsbDeviceGetConfiguration(Handle,Config)
say '*RxUsbDeviceGetConfiguration(),RC=0x'd2x(rc)
/* drop RxUsbDeviceGetConfiguration */
rc = RxFuncDrop('RxUsbDeviceGetConfiguration')
say '-RxUsbDeviceGetConfiguration(),RC=0x'd2x(rc)