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The ioctlUSE_CHARACTER_QUEUE_TX and ioctlUSE_CHARACTER_QUEUE_RX request codes are used in calls to FreeRTOS_ioctl() to configure a peripheral to use interrupt driven character queue writes and reads respectively. Note these request codes will result in the peripheral's interrupt being enabled, and the peripheral's interrupt priority being set to the lowest possible. The ioctlSET_INTERRUPT_PRIORITY request code can be used to raise the peripheral's priority if necessary.
Example Usage
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