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HAL_IICDevice
Hardware Abstraction Layer
HAL entry points from RISC OS
ยป HAL_IICDevice
HAL_IICDevice
(HAL entry #35)
irq_descriptor HAL_IICDevice(int bus)
| Entry | |
|---|---|
| bus | Bus number to query |
| Exit | |
|---|---|
| irq_descriptor? giving the interrupt specification of the bus. |
Use
This is an internal call for OS use only and should not be used by user software.
Returns the interrupt specification for the bus. This is not meaningful if bit 4 of the HAL_IICType flags word is not set. The OS will claim the interrupt and call HAL_IICMonitorTransfer() each time it occurs.