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-rw-r--r--bsps/shared/dev/serial/console-polled.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/bsps/shared/dev/serial/console-polled.c b/bsps/shared/dev/serial/console-polled.c
new file mode 100644
index 0000000000..26c9817bdb
--- /dev/null
+++ b/bsps/shared/dev/serial/console-polled.c
@@ -0,0 +1,143 @@
+/*
+ * This file contains the hardware independent portion of a polled
+ * console device driver. If a BSP chooses to use this, then it
+ * only has to provide a few board dependent routines.
+ */
+
+/*
+ * COPYRIGHT (c) 1989-1997.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#include <bsp/console-polled.h>
+#include <bsp/fatal.h>
+#include <rtems/console.h>
+
+/*
+ * Prototypes
+ */
+ssize_t console_write_support(int, const char *, size_t);
+
+/*
+ * Console Termios Support Entry Points
+ *
+ */
+ssize_t console_write_support (
+ int minor,
+ const char *bufarg,
+ size_t len
+)
+{
+ int nwrite = 0;
+ const char *buf = bufarg;
+
+ while (nwrite < len) {
+ console_outbyte_polled( minor, *buf++ );
+ nwrite++;
+ }
+ return nwrite;
+}
+
+/*
+ * Console Device Driver Entry Points
+ *
+ */
+
+rtems_device_driver console_initialize(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void *arg
+)
+{
+ rtems_status_code status;
+
+ /*
+ * Ensure Termios is initialized
+ */
+ rtems_termios_initialize();
+
+ /*
+ * Make sure the hardware is initialized.
+ */
+ console_initialize_hardware();
+
+ /*
+ * Register Device Names
+ */
+ status = rtems_io_register_name( "/dev/console", major, 0 );
+ if (status != RTEMS_SUCCESSFUL)
+ rtems_fatal_error_occurred(BSP_FATAL_CONSOLE_REGISTER_DEV_2);
+
+ return RTEMS_SUCCESSFUL;
+}
+
+rtems_device_driver console_open(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void * arg
+)
+{
+ static const rtems_termios_callbacks pollCallbacks = {
+ NULL, /* firstOpen */
+ NULL, /* lastClose */
+ console_inbyte_nonblocking, /* pollRead */
+ console_write_support, /* write */
+ NULL, /* setAttributes */
+ NULL, /* stopRemoteTx */
+ NULL, /* startRemoteTx */
+ 0 /* outputUsesInterrupts */
+ };
+
+ assert( minor == 0 );
+ if ( minor != 0 )
+ return RTEMS_INVALID_NUMBER;
+
+ rtems_termios_open( major, minor, arg, &pollCallbacks );
+
+ return RTEMS_SUCCESSFUL;
+}
+
+rtems_device_driver console_close(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void * arg
+)
+{
+ return rtems_termios_close( arg );
+}
+
+rtems_device_driver console_read(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void * arg
+)
+{
+ return rtems_termios_read( arg );
+}
+
+rtems_device_driver console_write(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void * arg
+)
+{
+ return rtems_termios_write( arg );
+}
+
+rtems_device_driver console_control(
+ rtems_device_major_number major,
+ rtems_device_minor_number minor,
+ void * arg
+)
+{
+ return rtems_termios_ioctl( arg );
+}