Configuration
Listing 12-1 illustrates the use of the previous functions for initializing the Vendor class.
(1)
static
CPU_BOOLEAN
App_USBD_Vendor_VendorReq (
const
CPU_INT08U
USBD_SETUP_REQ
class_nbr,
*p_setup_req);
CPU_BOOLEAN
App_USBD_Vendor_Init (CPU_INT08U
CPU_INT08U
dev_nbr,
cfg_hs,
{
USBD_ERR
err;
CPU_INT08U
class_nbr;
USBD_Vemdor_Init(&err);
CPU_INT08U
cfg_fs)
(2)
12
if (err != USBD_ERR_NONE) {
/* $$$$ Handle the error. */
}
(3)
class_nbr = USBD_Vendor_Add(DEF_FALSE,
0u,
App_USBD_Vendor_VendorReq,
&err);
if (err != USBD_ERR_NONE) {
/* $$$$ Handle the error. */
}
if (cfg_hs != USBD_CFG_NBR_NONE) {
USBD_Vendor_CfgAdd(class_nbr, dev_nbr, cfg_hs, &err);
if (err != USBD_ERR_NONE) {
/* $$$$ Handle the error. */
}
}
if (cfg_fs != USBD_CFG_NBR_NONE) {
USBD_Vendor_CfgAdd(class_nbr, dev_nbr, cfg_fs, &err);
(1)
(4)
(5)
if (err != USBD_ERR_NONE) {
/* $$$$ Handle the error. */
}
}
}
Listing 12-1 Vendor Class Initialization Example
L12-1(1)
Provide an application callback for vendor requests decoding.
L12-1(2)
Initialize Vendor internal structures, variables.
209
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