Resetting a peripheral driver and prohibiting writing into a register retaining data to be written into a peripheral on exceeding a predetermined time period
US9164823B2 · kind B2 · utility
1Cited by
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9Claims
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Key dates
| Filing date | May 14, 2013 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Jan 4, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/3485
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An access method is executed by a multi-core processor system. The access method includes activating a driver that corresponds to a first CPU, based on a start of execution of a first application; starting measurement of an access time period, based on access of a peripheral device; outputting, when the access time period exceeds a predetermined time period, a detection signal to reset the driver; and prohibiting, when the access time period exceeds a predetermined time period, writing into a register retaining data to be written into the peripheral device from the first CPU.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.