{
const struct
{
- uint8_t DataINPipeNumber; /**< Pipe number of the CDC interface's IN data pipe */
- bool DataINPipeDoubleBank; /**< Indicates if the CDC interface's IN data pipe should use double banking */
+ uint8_t DataINPipeNumber; /**< Pipe number of the CDC interface's IN data pipe. */
+ bool DataINPipeDoubleBank; /**< Indicates if the CDC interface's IN data pipe should use double banking. */
- uint8_t DataOUTPipeNumber; /**< Pipe number of the CDC interface's OUT data pipe */
- bool DataOUTPipeDoubleBank; /**< Indicates if the CDC interface's OUT data pipe should use double banking */
+ uint8_t DataOUTPipeNumber; /**< Pipe number of the CDC interface's OUT data pipe. */
+ bool DataOUTPipeDoubleBank; /**< Indicates if the CDC interface's OUT data pipe should use double banking. */
- uint8_t NotificationPipeNumber; /**< Pipe number of the CDC interface's IN notification endpoint, if used */
- bool NotificationPipeDoubleBank; /**< Indicates if the CDC interface's notification pipe should use double banking */
+ uint8_t NotificationPipeNumber; /**< Pipe number of the CDC interface's IN notification endpoint, if used. */
+ bool NotificationPipeDoubleBank; /**< Indicates if the CDC interface's notification pipe should use double banking. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref CDC_Host_ConfigurePipes() is called and the Host state machine is in the
- * Configured state
+ * Configured state.
*/
- uint8_t ControlInterfaceNumber; /**< Interface index of the CDC-ACM control interface within the attached device */
+ uint8_t ControlInterfaceNumber; /**< Interface index of the CDC-ACM control interface within the attached device. */
- uint16_t DataINPipeSize; /**< Size in bytes of the CDC interface's IN data pipe */
- uint16_t DataOUTPipeSize; /**< Size in bytes of the CDC interface's OUT data pipe */
- uint16_t NotificationPipeSize; /**< Size in bytes of the CDC interface's IN notification pipe, if used */
+ uint16_t DataINPipeSize; /**< Size in bytes of the CDC interface's IN data pipe. */
+ uint16_t DataOUTPipeSize; /**< Size in bytes of the CDC interface's OUT data pipe. */
+ uint16_t NotificationPipeSize; /**< Size in bytes of the CDC interface's IN notification pipe, if used. */
struct
{
struct
{
- uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second */
+ uint32_t BaudRateBPS; /**< Baud rate of the virtual serial port, in bits per second. */
uint8_t CharFormat; /**< Character format of the virtual serial port, a value from the
- * CDCDevice_CDC_LineCodingFormats_t enum
+ * \ref CDC_LineEncodingFormats_t enum.
*/
uint8_t ParityType; /**< Parity setting of the virtual serial port, a value from the
- * CDCDevice_LineCodingParity_t enum
+ * \ref CDC_LineEncodingParity_t enum.
*/
- uint8_t DataBits; /**< Bits of data per character of the virtual serial port */
+ uint8_t DataBits; /**< Bits of data per character of the virtual serial port. */
} LineEncoding; /**< Line encoding used in the virtual serial port, for the device's information. This is generally
* only used if the virtual serial port data is to be reconstructed on a physical UART. When set
* by the host application, the \ref CDC_Host_SetLineEncoding() function must be called to push
/** Enum for the possible error codes returned by the \ref CDC_Host_ConfigurePipes() function. */
enum CDCHost_EnumerationFailure_ErrorCodes_t
{
- CDC_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */
- CDC_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor */
- CDC_ENUMERROR_NoCDCInterfaceFound = 2, /**< A compatible CDC interface was not found in the device's Configuration Descriptor */
- CDC_ENUMERROR_EndpointsNotFound = 3, /**< Compatible CDC endpoints were not found in the device's CDC interface */
+ CDC_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
+ CDC_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
+ CDC_ENUMERROR_NoCDCInterfaceFound = 2, /**< A compatible CDC interface was not found in the device's Configuration Descriptor. */
+ CDC_ENUMERROR_EndpointsNotFound = 3, /**< Compatible CDC endpoints were not found in the device's CDC interface. */
};
/* Function Prototypes: */
/** General management task for a given CDC host class interface, required for the correct operation of the interface. This should
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing an CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing an CDC Class host configuration and state.
*/
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
* This should be called once after the stack has enumerated the attached device, while the host state machine is in
* the Addressed state.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing an CDC Class host configuration and state
- * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor
- * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing an CDC Class host configuration and state.
+ * \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
+ * \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor.
*
- * \return A value from the \ref CDCHost_EnumerationFailure_ErrorCodes_t enum
+ * \return A value from the \ref CDCHost_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, uint16_t ConfigDescriptorSize,
void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Sets the line encoding for the attached device's virtual serial port. This should be called when the LineEncoding
* values of the interface have been changed to push the new settings to the USB device.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
- * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
* notification. This should be called each time the CDC class driver's ControlLineStates.HostToDevice value is updated
* to push the new states to the USB device.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
- * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a Send Break request to the device. This is generally used to separate data data or to indicate a special condition
* to the receiving device.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
- * \param[in] Duration Duration of the break, in milliseconds
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
+ * \param[in] Duration Duration of the break, in milliseconds.
*
- * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum
+ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Duration) ATTR_NON_NULL_PTR_ARG(1);
* \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
- * \param[in] Data Pointer to the string to send to the device
- * \param[in] Length Size in bytes of the string to send to the device
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
+ * \param[in] Data Pointer to the string to send to the device.
+ * \param[in] Length Size in bytes of the string to send to the device.
*
- * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum
+ * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, char* Data, const uint16_t Length)
ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
* \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
- * \param[in] Data Byte of data to send to the device
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
+ * \param[in] Data Byte of data to send to the device.
*
- * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum
+ * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
* \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
- * \return Total number of buffered bytes received from the device
+ * \return Total number of buffered bytes received from the device.
*/
uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
* \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
- * \return Next received byte from the device, or 0 if no data received
+ * \return Next received byte from the device, or 0 if no data received.
*/
uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
* \pre This function must only be called when the Host state machine is in the HOST_STATE_Configured state or the
* call will fail.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
- * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum
+ * \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
* \note The created stream can be given as stdout if desired to direct the standard output from all <stdio.h> functions
* to the given CDC interface.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
- * \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
+ * \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed.
*/
void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream);
/** Identical to CDC_Host_CreateStream(), except that reads are blocking until the calling stream function terminates
* the transfer. While blocking, the USB and CDC service tasks are called repeatedly to maintain USB communications.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state
- * \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
+ * \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed.
*/
void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, FILE* Stream);
* are available in the ControlLineStates.DeviceToHost value inside the CDC host interface structure passed as a parameter, set as
* a mask of CDC_CONTROL_LINE_IN_* masks.
*
- * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state
+ * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*/
void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
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