Description
Create a new instance of the PHDC.
Files
usbd_phdc.h / usbd_phdc.c
Prototype
Arguments
data_fmt_11073
Variable that indicates whether the class instance uses IEEE 11073 or a vendor-defined data format.
DEF_YES
Class instance uses IEEE 11073 data format.
DEF_NO
Class instance uses vendor-defined data format.
preamble_capable
Variable that indicates whether the class instance support metadata message preamble or not.
DEF_YES
Class instance support metadata message preamble.
DEF_NO
Class instance doesn’t support metadata message preamble.
preamble_en_notify
Pointer to a callback function that will notify the application if the host enable / disable metadata message preamble.
low_latency_interval
Interrupt endpoint interval in milliseconds. Can be 0 if PHDC device will not send low latency data. When the value is different from 0, it must be a power of 2.
p_err
Pointer to variable that will receive the return error code from this function.
USBD_ERR_NONE
USBD_ERR_ALLOC
Returned Value
Class instance number, if NO error(s).
USBD_CLASS_NBR_NONE, otherwise.
Callers
Application.
Notes / Warnings
None.