altos: Allow use of internal EEPROM for config storage

[fw/altos] / src / core / ao_config.h

diff --git a/src/core/ao_config.h b/src/core/ao_config.h
new file mode 100644 (file)
index 0000000..5e38430
--- /dev/null
+++ b/src/core/ao_config.h
@@ -0,0 +1,57 @@
+/*
+ * 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_CONFIG_H_
+#define _AO_CONFIG_H_
+
+#ifndef USE_STORAGE_CONFIG
+#define USE_STORAGE_CONFIG 1
+#endif
+
+#ifndef USE_EEPROM_CONFIG
+#define USE_EEPROM_CONFIG 0
+#endif
+
+#if USE_STORAGE_CONFIG
+
+#include <ao_storage.h>
+
+#define ao_config_setup()              ao_storage_setup()
+
+#define ao_config_write(bytes, len)    do {                            \
+               ao_storage_erase(ao_storage_config);                    \
+               ao_storage_write(ao_storage_config, bytes, len);        \
+       } while (0)
+
+#define ao_config_read(bytes, len)     ao_storage_read(ao_storage_config, bytes, len)
+
+#define ao_config_flush()              ao_storage_flush()
+
+#endif
+
+#if USE_EEPROM_CONFIG
+
+#include <ao_eeprom.h>
+
+#define ao_config_setup()
+#define ao_config_write(bytes, len)    ao_eeprom_write(0, bytes, len)
+#define ao_config_read(bytes, len)     ao_eeprom_read(0, bytes, len)
+#define ao_config_flush()
+
+#endif
+
+#endif /* _AO_CONFIG_H_ */