Title:
MASTER-SLAVE COMMUNICATION SYSTEM, ELECTRONIC DEVICE, AND CONTROL METHOD FOR THEM
Document Type and Number:
Japanese Patent JP2021180448
Kind Code:
A
Abstract:
To determine the operation state of a plurality of slave nodes in a short time.SOLUTION: A master CPU 100 changes, from an initial address, the slave address of each of a plurality of slave nodes to an intrinsic address different from the initial address, then uses the initial address to try communication with each of the plurality of slave nodes. The master CPU 100 determines the operation state of each slave node on the basis of the result of the try.SELECTED DRAWING: Figure 7
Inventors:
INO KOICHIRO
Application Number:
JP2020085945A
Publication Date:
November 18, 2021
Filing Date:
May 15, 2020
Export Citation:
Assignee:
CANON KK
International Classes:
H04L12/40; H04L12/28
Attorney, Agent or Firm:
Another role Shigehisa