X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b7049da11b6fe3c37b23d8f7dddfff08ba14f449..86819ba9d8e30e7eeefd79ece41094a42e521d78:/LUFA/Drivers/USB/Class/Host/CDC.h diff --git a/LUFA/Drivers/USB/Class/Host/CDC.h b/LUFA/Drivers/USB/Class/Host/CDC.h index 292411be4..90ea3ab4b 100644 --- a/LUFA/Drivers/USB/Class/Host/CDC.h +++ b/LUFA/Drivers/USB/Class/Host/CDC.h @@ -31,6 +31,10 @@ /** \ingroup Group_USBClassCDC * @defgroup Group_USBClassCDCHost CDC Class Host Mode Driver * + * \section Sec_Dependencies Module Source Dependencies + * The following files must be built with any user project that uses this module: + * - LUFA/Drivers/USB/Class/Host/CDC.c + * * \section Module Description * Host Mode USB Class driver framework interface, for the CDC USB Class driver. * @@ -50,26 +54,103 @@ #endif /* Public Interface - May be used in end-application: */ + /* Type Defines: */ + /** Class state structure. An instance of this structure should be made within the user application, + * and passed to each of the CDC class driver functions as the CDCInterfaceInfo parameter. This + * stores each CDC interface's configuration and state information. + */ + typedef struct + { + const struct + { + uint8_t DataINPipeNumber; /**< Pipe number of the CDC interface's IN data pipe */ + uint8_t DataOUTPipeNumber; /**< Pipe number of the CDC interface's OUT data pipe */ + uint8_t NotificationPipeNumber; /**< Pipe number of the CDC interface's IN notification endpoint, if used */ + } Config; /**< Config data for the USB class interface within the device. All elements in this section + * must be set or the interface will fail to enumerate and operate correctly. + */ + struct + { + uint8_t ControlInterfaceNumber; /**< Interface number of the CDC control interface within the 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 endpoint, if used */ + + 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 + { + bool Active; /**< Indicates if the interface is currently active, i.e. attached to the connected device */ + + 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 + */ + uint8_t ParityType; /**< Parity setting of the virtual serial port, a value from the + * CDCDevice_LineCodingParity_t enum + */ + uint8_t DataBits; /**< Bits of data per character of the virtual serial port */ + } LineEncoding; + } State; /**< State data for the USB class interface within the device. All elements in this section + * may be set to initial values, but may also be ignored to default to sane values when + * the interface is enumerated. + */ + } USB_ClassInfo_CDC_Host_t; + + /* Enums: */ + enum + { + CDC_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully */ + CDC_ENUMERROR_ControlError = 1, /**< A control request to the device failed to complete successfully */ + CDC_ENUMERROR_DescriptorTooLarge = 2, /**< The device's Configuration Descriptor is too large to process */ + CDC_ENUMERROR_InvalidConfigDataReturned = 3, /**< The device returned an invalid Configuration Descriptor */ + CDC_ENUMERROR_NoCDCInterfaceFound = 4, /**< A compatible CDC interface was not found in the device's Configuration Descriptor */ + CDC_ENUMERROR_NoEndpointFound = 5, /**< Compatible CDC endpoints were not found in the device's CDC interface */ + } CDCHost_EnumerationFailure_ErrorCodes_t; + /* Function Prototypes: */ - void CDC_Host_Task(void); + void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* Macros: */ - #define CDC_CONTROL_CLASS 0x02 - #define CDC_CONTROL_SUBCLASS 0x02 - #define CDC_CONTROL_PROTOCOL 0x01 - #define CDC_DATA_CLASS 0x0A - #define CDC_DATA_SUBCLASS 0x00 - #define CDC_DATA_PROTOCOL 0x00 + #define CDC_CONTROL_CLASS 0x02 + #define CDC_CONTROL_SUBCLASS 0x02 + #define CDC_CONTROL_PROTOCOL 0x01 + #define CDC_DATA_CLASS 0x0A + #define CDC_DATA_SUBCLASS 0x00 + #define CDC_DATA_PROTOCOL 0x00 + + #define CDC_FOUND_DATAPIPE_IN (1 << 0) + #define CDC_FOUND_DATAPIPE_OUT (1 << 1) + #define CDC_FOUND_DATAPIPE_NOTIFICATION (1 << 2) /* Function Prototypes: */ #if defined(INCLUDE_FROM_CDC_CLASS_HOST_C) - static uint8_t CDC_Host_ProcessConfigDescriptor(void); + static uint8_t CDC_Host_ProcessConfigDescriptor(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); static uint8_t DComp_CDC_Host_NextCDCControlInterface(void* CurrentDescriptor); static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor); static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor); #endif + + void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); + + uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); + uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); + + void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length); + void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data); + uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); + uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo); #endif