diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Device/CDC.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Device/CDC.h | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/LUFA/Drivers/USB/Class/Device/CDC.h b/LUFA/Drivers/USB/Class/Device/CDC.h index 13fa8d3b7..bcf8ff7b9 100644 --- a/LUFA/Drivers/USB/Class/Device/CDC.h +++ b/LUFA/Drivers/USB/Class/Device/CDC.h @@ -71,7 +71,15 @@ /** Current State information structure for \ref USB_ClassInfo_CDC_Device_t CDC device interface structures. */
typedef struct
{
- uint8_t ControlLineState; /**< Current control line states, as set by the host */
+ struct
+ {
+ uint8_t HostToDevice; /**< Control line states from the host to device, as a set of CDC_CONTROL_LINE_OUT_*
+ * masks.
+ */
+ uint8_t DeviceToHost; /**< Control line states from the device to host, as a set of CDC_CONTROL_LINE_IN_*
+ * masks.
+ */
+ } ControlLineStates;
struct
{
@@ -143,8 +151,8 @@ /** CDC class driver event for a control line state change on a CDC interface. This event fires each time the host requests a
* control line state change (containing the virtual serial control line states, such as DTR) and may be hooked in the
* user program by declaring a handler function with the same name and parameters listed here. The new control line states
- * are available in the ControlLineState value inside the CDC interface structure passed as a parameter, set as a mask of
- * CDC_CONTROL_LINE_OUT_* masks.
+ * are available in the ControlLineStates.HostToDevice value inside the CDC interface structure passed as a parameter, set as
+ * a mask of CDC_CONTROL_LINE_OUT_* masks.
*
* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
*/
@@ -185,14 +193,14 @@ */
uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
- /** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial control
- * lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist until they are
- * cleared via a second notification.
+ /** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial
+ * control lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist
+ * until they are cleared via a second notification. This should be called each time the CDC class driver's
+ * ControlLineStates.DeviceToHost value is updated to push the new states to the USB host.
*
* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
- * \param LineStateMask Mask of CDC_CONTROL_LINE_IN_* masks giving the current control line states
*/
- void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, uint16_t LineStateMask);
+ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
|