RISCOS_IICOpV (changes)
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Hardware Abstraction Layer
» RISC OS entry points from HAL
» RISCOS_IICOpV
RISCOS_IICOpV
(OS entry #6)
kernel_oserror int *RISCOS_IICOpV(iic_transfer RISCOS_IICOpV(iic_transfer *descs, int ndesc_and_bus)
| Entry | |
|---|---|
| descs | Pointer to list of iic_transfer structures |
| ndesc_and_bus | Bits 0-23: Number of iic_transfer structures |
| Bits 24-31: IIC bus number |
| Exit | |
|---|---|
| - | |
| kernel_oserror? pointer (Bad!) on error |
Use
This call is a simple wrapper to IIC_OpV, an internal kernel routine which is used by SWI OS_IICOp to handle IIC transfers. As such, it allows the HAL to perform IIC transfers.
Note that it is only safe to call this function once HAL_Init has completed.
Information sources: Kernel.s.HAL, Kernel.hdr.OSEntries in CVS
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