altos: Add SDCARD and FAT16 filesystem support

This adds a fairly primitive FAT16 file system implementation
along with support for SD cards.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/src/drivers/ao_bufio.h b/src/drivers/ao_bufio.h
new file mode 100644
index 00000000..c3bee906
--- /dev/null
+++ b/src/drivers/ao_bufio.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright © 2013 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.
+ */
+
+#ifndef _AO_BUFIO_H_
+#define _AO_BUFIO_H_
+
+uint8_t *
+ao_bufio_get(uint32_t block);
+
+void
+ao_bufio_put(uint8_t *buf, uint8_t write);
+
+void
+ao_bufio_flush_one(uint8_t *buf);
+
+void
+ao_bufio_flush(void);
+
+void
+ao_bufio_init(void);
+
+#endif /* _AO_BUFIO_H_ */