Added const modifiers to device mode class drivers.
Added parameter directions to function parameter documentation. Added new experimental FAST_STREAM_FUNCTIONS compile time option to speed up stream transfers at the expense of a higher FLASH consumption (needs testing to verify improved throughput).
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Dean Camera
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115 changed files with 1031 additions and 633 deletions
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@ -108,34 +108,34 @@
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* \ref EVENT_USB_ConfigurationChanged() event so that the endpoints are configured when the configuration containing the
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* given CDC interface is selected.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*
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* \return Boolean true if the endpoints were sucessfully configured, false otherwise
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*/
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bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** Processes incomming control requests from the host, that are directed to the given CDC class interface. This should be
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* linked to the library \ref EVENT_USB_UnhandledControlPacket() event.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*/
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void CDC_Device_ProcessControlPacket(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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void CDC_Device_ProcessControlPacket(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** General management task for a given CDC class interface, required for the correct operation of the interface. This should
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* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*/
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void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** CDC class driver event for a line encoding change on a CDC interface. This event fires each time the host requests a
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* line encoding change (containing the serial parity, baud and other configuration information) and may be hooked in the
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* user program by declaring a handler function with the same name and parameters listed here. The new line encoding
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* settings are available in the LineEncoding structure inside the CDC interface structure passed as a parameter.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*/
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void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** CDC class driver event for a control line state change on a CDC interface. This event fires each time the host requests a
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* control line state change (containing the virtual serial control line states, such as DTR) and may be hooked in the
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@ -143,62 +143,62 @@
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* are available in the ControlLineStates.HostToDevice value inside the CDC interface structure passed as a parameter, set as
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* a mask of CDC_CONTROL_LINE_OUT_* masks.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*/
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void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** Sends a given string to the attached USB host, if connected. If a host is not connected when the function is called, the
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* string is discarded.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param Data Pointer to the string to send to the host
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* \param Length Size in bytes of the string to send to the host
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in] Data Pointer to the string to send to the host
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* \param[in] Length Size in bytes of the string to send to the host
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*/
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void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, char* Data, uint16_t Length);
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void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length);
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/** Sends a given byte to the attached USB host, if connected. If a host is not connected when the function is called, the
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* byte is discarded.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param Data Byte of data to send to the host
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in] Data Byte of data to send to the host
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*/
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void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, uint8_t Data);
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void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data);
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/** Determines the number of bytes received by the CDC interface from the host, waiting to be read.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*
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* \return Total number of buffered bytes received from the host
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*/
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uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** Reads a byte of data from the host. If no data is waiting to be read of if a USB host is not connected, the function
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* returns 0. The USB_CDC_BytesReceived() function should be queried before data is recieved to ensure that no data
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* underflow occurs.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*
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* \return Next received byte from the host, or 0 if no data received
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*/
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uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/** Sends a Serial Control Line State Change notification to the host. This should be called when the virtual serial
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* control lines (DCD, DSR, etc.) have changed states, or to give BREAK notfications to the host. Line states persist
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* until they are cleared via a second notification. This should be called each time the CDC class driver's
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* ControlLineStates.DeviceToHost value is updated to push the new states to the USB host.
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*
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* \param CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
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*/
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void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo);
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void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo);
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Function Prototypes: */
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#if defined(INCLUDE_FROM_CDC_CLASS_DEVICE_C)
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void CDC_Device_Event_Stub(void);
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void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
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void EVENT_CDC_Device_LineEncodingChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
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ATTR_WEAK ATTR_ALIAS(CDC_Device_Event_Stub);
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void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
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void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
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ATTR_WEAK ATTR_ALIAS(CDC_Device_Event_Stub);
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#endif
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