RTEMS C User's Guide
The input/output interface manager provides a well-defined mechanism for accessing device drivers and a structured methodology for organizing device drivers. The directives provided by the I/O manager are:
rtems_io_initialize - Initialize a device driver
rtems_io_register_name - Register a device name
rtems_io_lookup_name - Look up a device name
rtems_io_open - Open a device
rtems_io_close - Close a device
rtems_io_read - Read from a device
rtems_io_write - Write to a device
rtems_io_control - Special device services
RTEMS C User's Guide
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