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Andre Guedes
826ff7cb29
x86: Add pic_unmask_irq() helper
This patch implements the pic_unmask_irq() helper and uses it where applicable. This function zeros the corresponding bit from the IRQ number in IMR register. This patch doesn't implement the pic_mask_irq() helper since it is not useful at this moment.
The Contiki Operating System
Contiki is an open source operating system that runs on tiny low-power microcontrollers and makes it possible to develop applications that make efficient use of the hardware while providing standardized low-power wireless communication for a range of hardware platforms.
Contiki is used in numerous commercial and non-commercial systems, such as city sound monitoring, street lights, networked electrical power meters, industrial monitoring, radiation monitoring, construction site monitoring, alarm systems, remote house monitoring, and so on.
For more information, see the Contiki website:
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