Multicore system, control method of multicore system, and non-transitory readable medium storing program

摘要

A multicore system 2 includes a main system program 610 that operates on a first processor core 61 and stores synthesized audio data, which is mixed audio data, to a buffer for DMA transfer 63, a standby program 620 that operates on a second processor 62, and an audio output unit 64 that sequentially stores the synthesized audio data transferred from the buffer for DMA transfer 63 and plays the stored synthesized audio data. When an amount of storage of the synthesized audio data stored to the buffer for DMA transfer 63 has not reached a predetermined amount of data determined according to the amount of storage of the synthesized audio data stored to the audio output unit 64, the standby system program 620 takes over and executes the mixing and the storage of the synthesized audio data that is executed by the main system program 610.

主权项

1. A multicore system comprising:
a main system program that operates on a first processor core, mixes first and second audio data to create synthesized audio data, and stores the synthesized audio data to a buffer for DMA transfer; a standby system program that operates on a second processor core and operates as a standby system of the main system program; and an audio output unit that sequentially stores the synthesized audio data transferred from the buffer for DMA transfer and plays the stored synthesized audio data, wherein when an amount of storage of the synthesized audio data stored to the buffer for DMA transfer has not reached a predetermined amount of data determined according to the amount of storage of the synthesized audio data stored to the audio output unit, the standby system program takes over and executes the mixing and the storage of the synthesized audio data executed by the main system program.