| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain an electronic equipment which can actuate an OS fast independent of the performance peculiar to a memory. SOLUTION: This equipment is equipped with a real-time OS 11 which actuates plural tasks 14 and 15 by supplying power from a backup power source 21 and a main power source 22 and performs task-schedule for the tasks in real time, an initializing means 16 which generates the tasks and a message queue MQ on the real-time OS and allocates the priority of the tasks and the message queue when the backup power source is turned on, a root task 13 becoming the parent task of the real-time OS and the tasks and memory means 25 and 26 which record the contents of the root task and erase the contents of the tasks by supplying power from the backup power source at the time of cutting the main power source. Then, the real-time OS starts the tasks according to the contents of the memory means or the root task when the main power source is turned on again.</p> |
