Merge branch 'master' into mm-ms5611

[fw/altos] / src / micropeak / ao_log_micro.c

diff --git a/src/micropeak/ao_log_micro.c b/src/micropeak/ao_log_micro.c
new file mode 100644 (file)
index 0000000..eda0d1d
--- /dev/null
+++ b/src/micropeak/ao_log_micro.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright © 2012 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>
+#include <ao_log_micro.h>
+#include <ao_async.h>
+
+#if HAS_EEPROM
+
+ao_pos_t       ao_log_micro_pos;
+
+void
+ao_log_micro_data(uint32_t data)
+{
+       ao_storage_write(ao_log_micro_pos, &data, sizeof (data));
+       ao_log_micro_pos += sizeof (data);
+}
+
+uint32_t       ao_log_last_ground;
+uint32_t       ao_log_last_done;
+
+uint8_t
+ao_log_micro_scan(void)
+{
+       uint32_t        data;
+       ao_pos_t        pos;
+
+       ao_storage_read(0, &data, sizeof (data));
+       if ((data & AO_LOG_MICRO_MASK) != AO_LOG_MICRO_GROUND)
+               return 0;
+
+       ao_log_last_ground = data & ~(AO_LOG_MICRO_MASK);
+       for (pos = 4; pos < ao_storage_total; pos += 4) {
+               ao_storage_read(pos, &data, sizeof (data));
+               if ((data & AO_LOG_MICRO_MASK) == AO_LOG_MICRO_GROUND) {
+                       ao_log_last_done = data & ~(AO_LOG_MICRO_MASK);
+                       return 1;
+               }
+       }
+       return 0;
+}
+
+void
+ao_log_micro_dump(void)
+{
+       ao_pos_t        pos;
+       uint8_t         data[4];
+       uint8_t         i;
+
+       for (pos = 0; pos < ao_storage_total; pos += 4) {
+               ao_storage_read(pos, data, 4);
+               for (i = 0; i < 4; i++)
+                       ao_async_byte(data[i]);
+               if (data[3] == (uint8_t) (AO_LOG_MICRO_GROUND >> 24))
+                       break;
+       }
+}
+
+#endif