HAL_IICReadLines (changes)
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Hardware Abstraction Layer
HAL entry points from RISC OS
» HAL_IICReadLines
HAL_IICReadLines
(HAL entry #34)
__value_in_regs IICLines HAL_IICReadLines(int bus)
| Entry | |
|---|---|
| bus | Bus number to query |
| Exit | |
|---|---|
| a1-a2 | IICLines structure containing the current values read from the bus |
Use
Reads This the is state an of internal the call for OS use only and should not be used by user software.IIC lines on the specified bus, without changing
their state.
Note Reads the “__value_in_regs” state keyword, of which signifies that the binary ABI IIC
expects SDA and SCL to be returned in registers a1 and a2.
Note the “__value_in_regs” keyword, which signifies that the binary ABI expects SDA and SCL to be returned in registers a1 and a2.
See also
Information sources: Kernel.Docs.HAL.HAL_API, Kernel.Docs.HAL.MoreEnts in CVS
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