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openusb_set_debug

Name

openusb_set_debug -- Set debug information

Synopsis

void openusb_set_debug(openusb_handle_t *handle , uint32_t level , uint32_t flags , openusb_debug_callback_t callback );

Parameters

handle - An openusb instance handle, obtained in openusb_init.

level - Not used. Reserved.

flags - Not used in this release. Reserved.

callback - Application supplied debug routine.

Description

Application can call openusb_set_debug() to enable tracing of openusb with increasing level of detail. callback is application defined debug function. If it is NULL, the library embedded debug function is used and debug messages, if any and debug level set properly, will go to stderr.

This operation will override the USB_DEBUG environment variable, if set.

Return Value

None

See Also

openusb_init, openusb_fini

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