Add Mini logging format. Use in EasyMini

[fw/altos] / src / core / ao_log_mini.c

diff --git a/src/core/ao_log_mini.c b/src/core/ao_log_mini.c
new file mode 100644 (file)
index 0000000..1273b0e
--- /dev/null
+++ b/src/core/ao_log_mini.c
@@ -0,0 +1,163 @@
+/*
+ * 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.h>
+#include <ao_data.h>
+#include <ao_flight.h>
+
+static __xdata uint8_t ao_log_mutex;
+static __xdata struct ao_log_mini log;
+
+__code uint8_t ao_log_format = AO_LOG_FORMAT_MINI;
+
+static uint8_t
+ao_log_csum(__xdata uint8_t *b) __reentrant
+{
+       uint8_t sum = 0x5a;
+       uint8_t i;
+
+       for (i = 0; i < sizeof (struct ao_log_mini); i++)
+               sum += *b++;
+       return -sum;
+}
+
+uint8_t
+ao_log_mini(__xdata struct ao_log_mini *log) __reentrant
+{
+       uint8_t wrote = 0;
+       /* set checksum */
+       log->csum = 0;
+       log->csum = ao_log_csum((__xdata uint8_t *) log);
+       ao_mutex_get(&ao_log_mutex); {
+               if (ao_log_current_pos >= ao_log_end_pos && ao_log_running)
+                       ao_log_stop();
+               if (ao_log_running) {
+                       wrote = 1;
+                       ao_storage_write(ao_log_current_pos,
+                                        log,
+                                        sizeof (struct ao_log_mini));
+                       ao_log_current_pos += sizeof (struct ao_log_mini);
+               }
+       } ao_mutex_put(&ao_log_mutex);
+       return wrote;
+}
+
+static uint8_t
+ao_log_dump_check_data(void)
+{
+       if (ao_log_csum((uint8_t *) &log) != 0)
+               return 0;
+       return 1;
+}
+
+static __data uint8_t  ao_log_data_pos;
+
+/* a hack to make sure that ao_log_minis fill the eeprom block in even units */
+typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_mini))] ;
+
+#ifndef AO_SENSOR_INTERVAL_ASCENT
+#define AO_SENSOR_INTERVAL_ASCENT      1
+#define AO_SENSOR_INTERVAL_DESCENT     10
+#endif
+
+void
+ao_log(void)
+{
+       __pdata uint16_t        next_sensor, next_other;
+       uint8_t                 i;
+
+       ao_storage_setup();
+
+       ao_log_scan();
+
+       while (!ao_log_running)
+               ao_sleep(&ao_log_running);
+
+#if HAS_FLIGHT
+       log.type = AO_LOG_FLIGHT;
+       log.tick = ao_sample_tick;
+       log.u.flight.flight = ao_flight_number;
+       log.u.flight.ground_pres = ao_ground_pres;
+       ao_log_mini(&log);
+#endif
+
+       /* Write the whole contents of the ring to the log
+        * when starting up.
+        */
+       ao_log_data_pos = ao_data_ring_next(ao_data_head);
+       next_other = next_sensor = ao_data_ring[ao_log_data_pos].tick;
+       ao_log_state = ao_flight_startup;
+       for (;;) {
+               /* Write samples to EEPROM */
+               while (ao_log_data_pos != ao_data_head) {
+                       log.tick = ao_data_ring[ao_log_data_pos].tick;
+                       if ((int16_t) (log.tick - next_sensor) >= 0) {
+                               log.type = AO_LOG_SENSOR;
+                               ao_log_pack24(log.u.sensor.pres,
+                                             ao_data_ring[ao_log_data_pos].ms5607_raw.pres);
+                               ao_log_pack24(log.u.sensor.temp,
+                                             ao_data_ring[ao_log_data_pos].ms5607_raw.temp);
+                               log.u.sensor.sense_a = ao_data_ring[ao_log_data_pos].adc.sense_a;
+                               log.u.sensor.sense_m = ao_data_ring[ao_log_data_pos].adc.sense_m;
+                               log.u.sensor.v_batt = ao_data_ring[ao_log_data_pos].adc.v_batt;
+                               ao_log_mini(&log);
+                               if (ao_log_state <= ao_flight_coast)
+                                       next_sensor = log.tick + AO_SENSOR_INTERVAL_ASCENT;
+                               else
+                                       next_sensor = log.tick + AO_SENSOR_INTERVAL_DESCENT;
+                       }
+                       ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
+               }
+#if HAS_FLIGHT
+               /* Write state change to EEPROM */
+               if (ao_flight_state != ao_log_state) {
+                       ao_log_state = ao_flight_state;
+                       log.type = AO_LOG_STATE;
+                       log.tick = ao_time();
+                       log.u.state.state = ao_log_state;
+                       log.u.state.reason = 0;
+                       ao_log_mini(&log);
+
+                       if (ao_log_state == ao_flight_landed)
+                               ao_log_stop();
+               }
+#endif
+
+               ao_log_flush();
+
+               /* Wait for a while */
+               ao_delay(AO_MS_TO_TICKS(100));
+
+               /* Stop logging when told to */
+               while (!ao_log_running)
+                       ao_sleep(&ao_log_running);
+       }
+}
+
+uint16_t
+ao_log_flight(uint8_t slot)
+{
+       if (!ao_storage_read(ao_log_pos(slot),
+                            &log,
+                            sizeof (struct ao_log_mini)))
+               return 0;
+
+       if (ao_log_dump_check_data() && log.type == AO_LOG_FLIGHT)
+               return log.u.flight.flight;
+       return 0;
+}