CHAR TFTPGetUploadStatus();Returns the TFTP file upload status started by calling the TFTPUploadRAMFileToHost() or TFTPUploadFragmentedRAMFileToHost() functions.
None
A status code. Negative results are fatal errors. Positive results indicate the TFTP upload operation is still being processed. A zero result indicates successful file upload completion (TFTP API is now idle and available for further calls). Specific return values are as follows: 0 (TFTP_UPLOAD_COMPLETE): Upload completed successfully 1 (TFTP_UPLOAD_GET_DNS): Attempting to obtain DNS client module 2 (TFTP_UPLOAD_RESOLVE_HOST): Attempting to resolve TFTP hostname 3 (TFTP_UPLOAD_CONNECT): Attempting to ARP and contact the TFTP server 4 (TFTP_UPLOAD_SEND_FILENAME): Attempting to send the filename and receive acknowledgement. 5 (TFTP_UPLOAD_SEND_DATA): Attempting to send the file contents and receive acknowledgement. 6 (TFTP_UPLOAD_WAIT_FOR_CLOSURE): Attempting to send the final packet of file contents and receive acknowledgement. -1 (TFTP_UPLOAD_HOST_RESOLVE_TIMEOUT): Couldn't resolve hostname -2 (TFTP_UPLOAD_CONNECT_TIMEOUT): Couldn't finish ARP and reach server -3 (TFTP_UPLOAD_SERVER_ERROR): TFTP server returned an error (ex: access denial) or file upload failed due to a timeout (partial file may have been uploaded).
The DNS client module must be enabled to use this function. i.e. STACK_USE_DNS must be defined in TCPIPConfig.h.