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| [9] | 1 | #include "syslib.h"
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| 2 |
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| 3 | /*===========================================================================*
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| 4 | * sys_in *
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| 5 | *===========================================================================*/
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| 6 | PUBLIC int sys_in(port, value, type)
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| 7 | int port; /* port address to read from */
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| 8 | unsigned long *value; /* pointer where to store value */
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| 9 | int type; /* byte, word, long */
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| 10 | {
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| 11 | message m_io;
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| 12 | int result;
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| 13 |
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| 14 | m_io.DIO_TYPE = type;
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| 15 | m_io.DIO_REQUEST = DIO_INPUT;
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| 16 | m_io.DIO_PORT = port;
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| 17 |
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| 18 | result = _taskcall(SYSTASK, SYS_DEVIO, &m_io);
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| 19 | *value = m_io.DIO_VALUE;
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| 20 | return(result);
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| 21 | }
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| 22 |
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