| 摘要 |
PROBLEM TO BE SOLVED: To perform version-up without stopping a monitor/control function of a transmitter system. SOLUTION: In a version-up method for firmware in a system provided with a transmitter TRU consisting of a hardware part HDW, a firmware part FMW and an upper unit UPU to monitor/control the device, two surfaces are formed by defining memory areas M0, M1 for each of an operational surface and a non-operational surface and when the version-up of the firmware is requested while control by current version firmware CVF stored in the memory area M0 of the operational surface is executed, new version firmware NVF is down-loaded from the upper unit to the memory area M1 of the non- operational surface. The firmware CVF, NVF of the current version and the new version are executed simultaneously and in parallel by a multi-task processing and the version-up is performed at timing in which both versions are synchronized. |
