USB_STATUS usb_class_cdc_set_acm_ctrl_state
(
/* [IN] The communication device data instance structure */
CLASS_CALL_STRUCT_PTR ccs_ptr,
/* [IN] DTR state to set */
uint_8 dtr,
/* [IN] RTS state to set */
uint_8 rts
)
{ /* Body */
USB_DATA_CLASS_INTF_STRUCT_PTR if_data_ptr;
USB_ACM_CLASS_INTF_STRUCT_PTR if_acm_ptr;
CLASS_CALL_STRUCT_PTR acm_instance;
USB_STATUS status = USBERR_NO_INTERFACE;
USB_EVENT_STRUCT_PTR event;
CDC_COMMAND cmd;
USB_lock();
/* Validity checking: for data interface */
if (usb_host_class_intf_validate(ccs_ptr)) {
if_data_ptr = (USB_DATA_CLASS_INTF_STRUCT_PTR)ccs_ptr->class_intf_handle;
acm_instance = if_data_ptr->BOUND_CONTROL_INTERFACE;
if (usb_host_class_intf_validate(acm_instance)) {
if_acm_ptr = (USB_ACM_CLASS_INTF_STRUCT_PTR) if_data_ptr->BOUND_CONTROL_INTERFACE->class_intf_handle;
if (if_acm_ptr->acm_desc->bmCapabilities & USB_ACM_CAP_LINE_CODING) {
event = &if_acm_ptr->acm_event;
USB_unlock(); /* we must wait until ctrl pipe is used */
#if !HIGH_SPEED_DEVICE
while(USB_EVENT_NOT_SET == _usb_event_wait_ticks(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH, FALSE, 0)){
_usb_khci_task();
}
#endif
_usb_event_clear(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH);
USB_lock();
if (usb_host_class_intf_validate(acm_instance)) {
cmd.CLASS_PTR = ccs_ptr;
cmd.CALLBACK_FN = (tr_callback)usb_class_cdc_ctrl_acm_callback;
cmd.CALLBACK_PARAM = acm_instance;
if_acm_ptr->ctrl_state.bmStates[0] = (uint_8)(dtr ? USB_ACM_LINE_STATE_DTR : 0);
if_acm_ptr->ctrl_state.bmStates[0] |= rts ? USB_ACM_LINE_STATE_RTS : 0;
status = usb_class_cdc_cntrl_common(&cmd, if_acm_ptr,
REQ_TYPE_OUT | REQ_TYPE_CLASS | REQ_TYPE_INTERFACE,
USB_CDC_SET_CTRL_LINE_STATE, * ((uint_16 *) &if_acm_ptr->ctrl_state), 0, NULL);
}
}
else
status = USBERR_INVALID_BMREQ_TYPE;
} /* Endif */
} /* Endif */
USB_unlock();
#if !HIGH_SPEED_DEVICE
while(USB_EVENT_NOT_SET == _usb_event_wait_ticks(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH, FALSE, 0)){
_usb_khci_task();
}
#endif
_usb_event_clear(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH);
_usb_event_set(event, USB_ACM_CTRL_PIPE_FREE);
return status;
} /* Endbody */
usb_status usb_class_cdc_set_acm_ctrl_state
(
/* [IN] The communication device data instance structure */
cdc_class_call_struct_t * ccs_ptr,
/* [IN] DTR state to set */
uint8_t dtr,
/* [IN] RTS state to set */
uint8_t rts
)
{ /* Body */
usb_data_class_intf_struct_t * if_data_ptr;
usb_acm_class_intf_struct_t * if_acm_ptr;
cdc_class_call_struct_t * acm_instance;
usb_status status = USBERR_NO_INTERFACE;
os_event_handle event = NULL;
cdc_command_t cmd;
#ifdef _HOST_DEBUG_
DEBUG_LOG_TRACE("usb_class_cdc_set_acm_ctrl_state");
#endif
/* Validity checking: for data interface */
if (usb_class_cdc_intf_validate(ccs_ptr)) {
if_data_ptr = (usb_data_class_intf_struct_t *)ccs_ptr->class_intf_handle;
acm_instance = if_data_ptr->BOUND_CONTROL_INTERFACE;
if (usb_class_cdc_intf_validate(acm_instance)) {
if_acm_ptr = (usb_acm_class_intf_struct_t *) if_data_ptr->BOUND_CONTROL_INTERFACE->class_intf_handle;
USB_CDC_ACM_lock();
if (if_acm_ptr->acm_desc->bmCapabilities & USB_ACM_CAP_LINE_CODING) {
event = if_acm_ptr->acm_event;
if (event != NULL) {
usb_class_cdc_os_event_wait(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH, FALSE, 0);
if (OS_Event_check_bit(event, USB_ACM_CTRL_PIPE_FREE))
OS_Event_clear(event, USB_ACM_CTRL_PIPE_FREE);
if (OS_Event_check_bit(event, USB_ACM_DETACH))
OS_Event_clear(event, USB_ACM_DETACH);
}
if (usb_class_cdc_intf_validate(acm_instance)) {
cmd.CLASS_PTR = ccs_ptr;
cmd.CALLBACK_FN = (tr_callback) usb_class_cdc_ctrl_acm_callback;
cmd.CALLBACK_PARAM = acm_instance;
if_acm_ptr->ctrl_state.state = dtr ? USB_ACM_LINE_STATE_DTR : 0;
if_acm_ptr->ctrl_state.state |= rts ? USB_ACM_LINE_STATE_RTS : 0;
status = usb_class_cdc_cntrl_common(&cmd, if_acm_ptr,
REQ_TYPE_OUT | REQ_TYPE_CLASS | REQ_TYPE_INTERFACE,
USB_CDC_SET_CTRL_LINE_STATE, if_acm_ptr->ctrl_state.state, 0, NULL);
}
}
else{
status = USBERR_INVALID_BMREQ_TYPE;
}
USB_CDC_ACM_unlock();
} /* Endif */
} /* Endif */
/* This piece of code cannot be executed if it is running in USB interrupt context */
if (!status && event != NULL) {
/* wait for command completion */
usb_class_cdc_os_event_wait(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH, FALSE, 0);
if (OS_Event_check_bit(event, USB_ACM_CTRL_PIPE_FREE))
OS_Event_clear(event, USB_ACM_CTRL_PIPE_FREE);
if (OS_Event_check_bit(event, USB_ACM_DETACH))
OS_Event_clear(event, USB_ACM_DETACH);
/* and unlock control pipe as it is automatic event */
OS_Event_set(event, USB_ACM_CTRL_PIPE_FREE);
}
#ifdef _HOST_DEBUG_
if (!status) {
DEBUG_LOG_TRACE("usb_class_cdc_set_acm_ctrl_state, SUCCESSFUL");
}
else {
DEBUG_LOG_TRACE("usb_class_cdc_set_acm_ctrl_state, FAILED");
}
#endif
return status;
} /* Endbody */
USB_STATUS usb_class_cdc_get_acm_line_coding
(
/* [IN] The communication device data instance structure */
CLASS_CALL_STRUCT_PTR ccs_ptr,
/* [IN] Where to store coding */
USB_CDC_UART_CODING_PTR uart_coding_ptr
)
{ /* Body */
USB_DATA_CLASS_INTF_STRUCT_PTR if_data_ptr;
USB_ACM_CLASS_INTF_STRUCT_PTR if_acm_ptr;
CLASS_CALL_STRUCT_PTR acm_instance;
USB_STATUS status = USBERR_NO_INTERFACE;
USB_EVENT_STRUCT_PTR event;
CDC_COMMAND cmd;
USB_lock();
/* Validity checking: for data interface */
if (usb_host_class_intf_validate(ccs_ptr)) {
if_data_ptr = (USB_DATA_CLASS_INTF_STRUCT_PTR)ccs_ptr->class_intf_handle;
acm_instance = if_data_ptr->BOUND_CONTROL_INTERFACE;
if (usb_host_class_intf_validate(if_data_ptr->BOUND_CONTROL_INTERFACE)) {
if_acm_ptr = (USB_ACM_CLASS_INTF_STRUCT_PTR) if_data_ptr->BOUND_CONTROL_INTERFACE->class_intf_handle;
if (if_acm_ptr->acm_desc->bmCapabilities & USB_ACM_CAP_LINE_CODING) {
event = &if_acm_ptr->acm_event;
USB_unlock(); /* we must wait until ctrl pipe is used */
#if !HIGH_SPEED_DEVICE
while(USB_EVENT_NOT_SET == _usb_event_wait_ticks(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH, FALSE, 0)){
_usb_khci_task();
}
#endif
_usb_event_clear(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH);
USB_lock();
if (usb_host_class_intf_validate(acm_instance)) {
cmd.CLASS_PTR = ccs_ptr;
cmd.CALLBACK_FN = (tr_callback)usb_class_cdc_ctrl_acm_callback;
cmd.CALLBACK_PARAM = acm_instance;
status = usb_class_cdc_cntrl_common(&cmd, if_acm_ptr,
REQ_TYPE_IN | REQ_TYPE_CLASS | REQ_TYPE_INTERFACE,
USB_CDC_GET_LINE_CODING, 0, 7 /* sizeof(USB_CDC_UART_CODING)*/, (uchar_ptr)uart_coding_ptr);
}
}
else
status = USBERR_INVALID_BMREQ_TYPE;
} /* Endif */
} /* Endif */
USB_unlock();
#if !HIGH_SPEED_DEVICE
while(USB_EVENT_NOT_SET == _usb_event_wait_ticks(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH, FALSE, 0)){
_usb_khci_task();
}
#endif
_usb_event_clear(event, USB_ACM_CTRL_PIPE_FREE | USB_ACM_DETACH);
_usb_event_set(event, USB_ACM_CTRL_PIPE_FREE);
return status;
} /* Endbody */
