Frame reception monitoring method in serial communications

Patent metadata

Field	Value
Publication number	US-10248588-B2
Application number	US-201615354166-A
Country	US
Kind code	B2
Filing date	Nov 17, 2016
Priority date	Jan 4, 2016
Publication date	Apr 2, 2019
Grant date	Apr 2, 2019

Abstract

The present disclosure relates to a frame reception monitoring method, including: when a plurality of sub-frames constituting a frame is each entered into a reception buffer at certain time intervals, allowing the respective sub-frames to be stored on a temporal buffer; allowing the plurality of sub-frames stored on the temporal buffer to be entered into a service buffer within a predetermined inter-sub-frames time-out time; using the plurality of sub-frames entered into the service buffer to generate a combined frame; and using the combined frame to execute a control.

First claim

What is claimed is:

1. A frame reception monitoring method in serial communications, the method comprising:
when a plurality of sub-frames constituting a frame is each entered into a reception buffer at certain time intervals, assigning timestamps to the plurality of sub-frames respectively, and allowing the respective sub-frames to be stored on a temporal buffer;
allowing the plurality of sub-frames stored on the temporal buffer to be entered into a service buffer within a predetermined inter-sub-frames time-out time;
using the plurality of sub-frames entered into the service buffer to generate a combined frame; and
using the combined frame to execute a control.

2. The method according to claim 1 , wherein assigning timestamps to the sub-frames and then allowing the sub-frames to be stored on the temporal buffer includes utilizing time information at a reception complete time point of each of the sub-frames to assign a timestamp to a corresponding sub-frame when the plurality of sub-frames is each entered into the reception buffer.

3. The method according to claim 1 , further comprising:
utilizing the timestamps respectively assigned to the sub-frames to calculate interval information between reception times of the sub-frames.

4. The method according to claim 3 , wherein utilizing the timestamps respectively assigned to the sub-frames to calculate interval information between reception times of the sub-frames includes utilizing time information at a reception complete time point of a first sub-frame of the plurality of sub-frames and time information at a reception start time point of a second sub-frame of the plurality of sub-frames to calculate interval information between reception times of the first sub-frame and the second sub-frame.

5. The method according to claim 4 , wherein calculating interval information between reception times of the first sub-frame and the second sub-frame includes utilizing a timestamp of the first sub-frame to determine time information at the reception complete time point of the first sub-frame.

6. The method according to claim 4 , wherein calculating interval information between reception times of the first sub-frame and the second sub-frame includes:
utilizing a timestamp of the second sub-frame to determine time information at a reception complete time point of the second sub-frame; and
utilizing the time information at the reception complete time point of the second sub-frame, a length of the second sub-frame, and a communication state to calculate time information at the reception start time point of the second sub-frame.

7. The method according to claim 3 , further comprising:
utilizing the interval information between reception times of the plurality of sub-frames to determine the inter-sub-frames time-out time.

8. The method according to claim 1 , wherein using the combined frame to execute a control includes:
determining whether the combined frame is identical to a subject frame meant to be received;
if it is determined that the combined frame is identical to the subject frame, executing the control using the combined frame; and
if it is determined that the combined frame is not identical to the subject frame, deleting the combined frame.

9. The method according to claim 1 , wherein the frame reception monitoring method is executed in a UART controller in serial communications.

Assignees

• Lsis Co Ltd

Inventors

• Yoon Geon
• Kim Ki-Myung

Classifications

• H04L49/9057

  Arrangements for supporting packet reassembly or resequencing · CPC title

• H04L47/34

  ensuring sequence integrity, e.g. using sequence numbers · CPC title

• H04L1/0061 Primary

  Error detection codes · CPC title

• H04L1/0045

  Arrangements at the receiver end · CPC title

• H04L1/0041

  Arrangements at the transmitter end · CPC title