22 lines
649 B
C
22 lines
649 B
C
|
#include "syslib.h"
|
||
|
|
|
||
|
|
/*===========================================================================*
|
||
|
|
* sys_in *
|
||
|
|
*===========================================================================*/
|
||
|
|
int sys_in(port, value, type)
|
||
|
|
int port; /* port address to read from */
|
||
|
|
u32_t *value; /* pointer where to store value */
|
||
|
|
int type; /* byte, word, long */
|
||
|
|
{
|
||
|
|
message m_io;
|
||
|
|
int result;
|
||
|
|
|
||
|
|
m_io.m_lsys_krn_sys_devio.request = _DIO_INPUT | type;
|
||
|
|
m_io.m_lsys_krn_sys_devio.port = port;
|
||
|
|
|
||
|
|
result = _kernel_call(SYS_DEVIO, &m_io);
|
||
|
|
*value = m_io.m_krn_lsys_sys_devio.value;
|
||
|
|
return(result);
|
||
|
|
}
|
||
|
|
|