diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Host/CDCClassHost.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Host/CDCClassHost.h | 68 |
1 files changed, 38 insertions, 30 deletions
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 |