1 files changed, 42 insertions, 0 deletions
diff --git a/ao_stdio.c b/ao_stdio.c
new file mode 100644
index 00000000..da57f409
--- /dev/null
+++ b/ao_stdio.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright © 2009 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+
+/*
+ * Basic I/O functions to support SDCC stdio package
+ */
+
+void
+putchar(char c)
+{
+	if (c == '\n')
+		ao_usb_putchar('\r');
+	ao_usb_putchar((uint8_t) c);
+}
+
+void
+flush(void)
+{
+	ao_usb_flush();
+}
+
+char
+getchar(void)
+{
+	return (char) ao_usb_getchar();
+}