ACM Subclass
Listing 8-2 illustrates the use of the previous functions for initializing the ACM subclass. Note
that the error handling has been omitted for clarity.
8
(4)
static
void
App_USBD_CDC_SerialLineCtrl
(CPU_INT08U
subclass_nbr,
CPU_INT08U
CPU_INT08U
void
(5)
events,
events_chngd,
*p_arg);
static
CPU_BOOLEAN
App_USBD_CDC_SerialLineCoding(CPU_INT08U
USBD_ACM_SERIAL_LINE_CODING
void
subclass_nbr,
*p_line_coding,
*p_arg);
CPU_BOOLEAN
{
App_USBD_CDC_Init (CPU_INT08U
CPU_INT08U
CPU_INT08U
dev_nbr,
cfg_hs,
cfg_fs)
USBD_ERR
CPU_INT08U
err;
subclass_nbr;
USBD_CDC_Init(&err);
USBD_ACM_SerialInit(&err);
subclass_nbr = USBD_ACM_SerialAdd(100u, &err);
(1)
(2)
(3)
(4)
USBD_ACM_SerialLineCodingReg(
subclass_nbr,
App_USBD_CDC_SerialLineCoding,
(void *)0,
&err);
(5)
USBD_ACM_SerialLineCtrlReg( subclass_nbr,
App_USBD_CDC_SerialLineCtrl,
(void *)0,
&err);
if (cfg_hs != USBD_CFG_NBR_NONE) {
USBD_ACM_SerialCfgAdd(subclass_nbr, dev_nbr, cfg_hs, &err); (6)
}
if (cfg_fs != USBD_CFG_NBR_NONE) {
USBD_ACM_SerialCfgAdd(subclass_nbr, dev_nbr, cfg_fs, &err); (7)
}
}
Listing 8-2 CDC ACM Subclass Initialization Example
125
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