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out32s()

Write longs to a port

Synopsis:

#include <hw/inout.h>

void * out32s( const void * buff,
               unsigned len,
               uintptr_t port );

Arguments:

val
A pointer to a buffer that holds the values that you want to write.
len
The number of values that you want to write.
port
The port you want to write the values to.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The out32s() function writes len longs from the buffer pointed to by buff to the specified port.

Returns:

A pointer to the end of the written data.

Classification:

QNX Neutrino

Safety:
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes

Caveats:

The calling thread must have I/O privileges; see ThreadCtl()'s _NTO_TCTL_IO command for details.

The calling process must also use mmap_device_io() to access the device's I/O registers.

See also:

in8(), in8s(), in16(), in16s(), in32(), in32s(), mmap_device_io(), out8(), out8s(), out16(), out16s(), out32()


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