diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host')
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDCClassHost.c | 134 | ||||
-rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDCClassHost.h | 68 |
2 files changed, 106 insertions, 96 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDCClassHost.c b/LUFA/Drivers/USB/Class/Host/CDCClassHost.c index f60fe0047..d463c667b 100644 --- a/LUFA/Drivers/USB/Class/Host/CDCClassHost.c +++ b/LUFA/Drivers/USB/Class/Host/CDCClassHost.c @@ -276,9 +276,8 @@ uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, return USB_Host_SendControlRequest(NULL); } -uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const void* const Buffer, - const uint16_t Length) +uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const char* const String) { if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) return PIPE_READYWAIT_DeviceDisconnected; @@ -288,13 +287,13 @@ uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address); Pipe_Unfreeze(); - ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL); + ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL); Pipe_Freeze(); return ErrorCode; } -uint8_t CDC_Host_SendData_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, +uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const void* const Buffer, const uint16_t Length) { @@ -306,45 +305,48 @@ uint8_t CDC_Host_SendData_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address); Pipe_Unfreeze(); - ErrorCode = Pipe_Write_PStream_LE(Buffer, Length, NULL); + ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL); Pipe_Freeze(); return ErrorCode; } -uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const char* const String) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; +#if defined(ARCH_HAS_FLASH_ADDRESS_SPACE) + uint8_t CDC_Host_SendString_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const char* const String) + { + if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; - uint8_t ErrorCode; + uint8_t ErrorCode; - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address); - Pipe_Unfreeze(); - ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL); - Pipe_Freeze(); + Pipe_Unfreeze(); + ErrorCode = Pipe_Write_PStream_LE(String, strlen_P(String), NULL); + Pipe_Freeze(); - return ErrorCode; -} + return ErrorCode; + } -uint8_t CDC_Host_SendString_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const char* const String) -{ - if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) - return PIPE_READYWAIT_DeviceDisconnected; + uint8_t CDC_Host_SendData_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const void* const Buffer, + const uint16_t Length) + { + if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive)) + return PIPE_READYWAIT_DeviceDisconnected; - uint8_t ErrorCode; + uint8_t ErrorCode; - Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address); + Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address); - Pipe_Unfreeze(); - ErrorCode = Pipe_Write_PStream_LE(String, strlen_P(String), NULL); - Pipe_Freeze(); + Pipe_Unfreeze(); + ErrorCode = Pipe_Write_PStream_LE(Buffer, Length, NULL); + Pipe_Freeze(); - return ErrorCode; -} + return ErrorCode; + } +#endif uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Data) @@ -456,51 +458,51 @@ uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) } #if defined(FDEV_SETUP_STREAM) -void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - FILE* const Stream) -{ - *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW); - fdev_set_udata(Stream, CDCInterfaceInfo); -} - -void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - FILE* const Stream) -{ - *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW); - fdev_set_udata(Stream, CDCInterfaceInfo); -} + void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + FILE* const Stream) + { + *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW); + fdev_set_udata(Stream, CDCInterfaceInfo); + } -static int CDC_Host_putchar(char c, - FILE* Stream) -{ - return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0; -} + void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + FILE* const Stream) + { + *Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW); + fdev_set_udata(Stream, CDCInterfaceInfo); + } -static int CDC_Host_getchar(FILE* Stream) -{ - int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); + static int CDC_Host_putchar(char c, + FILE* Stream) + { + return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0; + } - if (ReceivedByte < 0) - return _FDEV_EOF; + static int CDC_Host_getchar(FILE* Stream) + { + int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); - return ReceivedByte; -} + if (ReceivedByte < 0) + return _FDEV_EOF; -static int CDC_Host_getchar_Blocking(FILE* Stream) -{ - int16_t ReceivedByte; + return ReceivedByte; + } - while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0) + static int CDC_Host_getchar_Blocking(FILE* Stream) { - if (USB_HostState == HOST_STATE_Unattached) - return _FDEV_EOF; + int16_t ReceivedByte; - CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); - USB_USBTask(); - } + while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0) + { + if (USB_HostState == HOST_STATE_Unattached) + return _FDEV_EOF; - return ReceivedByte; -} + CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream)); + USB_USBTask(); + } + + return ReceivedByte; + } #endif void CDC_Host_Event_Stub(void) diff --git a/LUFA/Drivers/USB/Class/Host/CDCClassHost.h b/LUFA/Drivers/USB/Class/Host/CDCClassHost.h index 13f6a5158..e5dba5d1b 100644 --- a/LUFA/Drivers/USB/Class/Host/CDCClassHost.h +++ b/LUFA/Drivers/USB/Class/Host/CDCClassHost.h @@ -183,6 +183,22 @@ uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, const uint8_t Duration) ATTR_NON_NULL_PTR_ARG(1); + /** Sends a given null-terminated string to the attached USB device, if connected. If a device is not connected when the + * function is called, the string is discarded. Bytes will be queued for transmission to the device until either the pipe + * bank becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to the device. This allows + * for multiple bytes to be packed into a single pipe packet, increasing data throughput. + * + * \pre This function must only be called when the Host state machine is in the \ref 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] String Pointer to the null terminated string to send to the device. + * + * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. + */ + uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + /** Sends a given data buffer to the attached USB device, if connected. If a device is not connected when the function is * called, the data will be discarded. Bytes will be queued for transmission to the device until either the pipe bank * becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to the device. This allows for @@ -201,55 +217,47 @@ const void* const Buffer, const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); - /** Sends a given data buffer from PROGMEM space to the attached USB device, if connected. If a device is not connected when the - * function is called, the string is discarded. Bytes will be queued for transmission to the host until either the pipe - * bank becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to the device. This allows - * for multiple bytes to be packed into a single pipe packet, increasing data throughput. + /** Sends a given null terminated string from PROGMEM space to the attached USB device, if connected. If a device is not connected + * when the function is called, the string is discarded. Bytes will be queued for transmission to the device until either + * the pipe bank becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to + * the device. This allows for multiple bytes to be packed into a single pipe packet, increasing data throughput. * * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or * the call will fail. * + * \note This function does not exist on architectures that do not have a separate flash memory space. + * * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state. - * \param[in] Buffer Pointer to a buffer containing the data to send to the device. - * \param[in] Length Length of the data to send to the host. + * \param[in] String Pointer to the null terminated string to send to the host. * * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. */ - uint8_t CDC_Host_SendData_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const void* const Buffer, - const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + #if defined(ARCH_HAS_FLASH_ADDRESS_SPACE) + uint8_t CDC_Host_SendString_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + #endif - /** Sends a given null-terminated string to the attached USB device, if connected. If a device is not connected when the - * function is called, the string is discarded. Bytes will be queued for transmission to the device until either the pipe + /** Sends a given data buffer from PROGMEM space to the attached USB device, if connected. If a device is not connected when the + * function is called, the string is discarded. Bytes will be queued for transmission to the host until either the pipe * bank becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to the device. This allows * for multiple bytes to be packed into a single pipe packet, increasing data throughput. * - * \pre This function must only be called when the Host state machine is in the \ref 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] String Pointer to the null terminated string to send to the device. - * - * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. - */ - uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); - - /** Sends a given null terminated string from PROGMEM space to the attached USB device, if connected. If a device is not connected - * when the function is called, the string is discarded. Bytes will be queued for transmission to the device until either - * the pipe bank becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to - * the device. This allows for multiple bytes to be packed into a single pipe packet, increasing data throughput. - * * \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or * the call will fail. * + * \note This function does not exist on architectures that do not have a separate flash memory space. + * * \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state. - * \param[in] String Pointer to the null terminated string to send to the host. + * \param[in] Buffer Pointer to a buffer containing the data to send to the device. + * \param[in] Length Length of the data to send to the host. * * \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum. */ - uint8_t CDC_Host_SendString_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, - const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2); + #if defined(ARCH_HAS_FLASH_ADDRESS_SPACE) + uint8_t CDC_Host_SendData_P(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, + const void* const Buffer, + const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1); + #endif /** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the * byte is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the |