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2
Chapter 2
#include
<usbd_bsp_ template .h>
(1)
CPU_BOOLEAN
{
App_USBD_Init (void)
CPU_INT08U
CPU_INT08U
USBD_ERR
dev_nbr;
cfg_fs_nbr;
err;
USBD_Init(&err);
dev_nbr = USBD_DevAdd(& USBD_DevCfg_Template ,
&App_USBD_BusFncts,
& USBD_DrvAPI_Template ,
& USBD_DrvCfg_Template ,
& USBD_DrvBSP_Template ,
&err);
if ( USBD_DrvCfg_Template .Spd == USBD_DEV_SPD_HIGH) {
(2)
(3)
(4)
(5)
(6)
(7)
cfg_hs_nbr = USBD_CfgAdd( dev_nbr,
USBD_DEV_ATTRIB_SELF_POWERED,
100u,
USBD_DEV_SPD_HIGH,
"HS configuration",
&err);
}
....
}
Listing 2-3 App_USBD_Init() in app_usbd.c
L2-3(1)
Include the USB driver BSP header file that is specific to your board. This file
can be found in the following folder:
\Micrium\Software\uC-USB-Device\Drivers\<controller>\BSP\<board name>
L2-3(2)
Initialize the USB device stack’s internal variables, structures and core RTOS
port.
L2-3(3)
Specify the address of the device configuration structure that you modified in
the section “Modify Device Configuration” on page 34.
36
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