altos: Add preliminary TeleStatic v3.0 code

[fw/altos] / src / kernel / ao_log_telestatic.c

diff --git a/src/kernel/ao_log_telestatic.c b/src/kernel/ao_log_telestatic.c
new file mode 100644 (file)
index 0000000..fdf8da4
--- /dev/null
+++ b/src/kernel/ao_log_telestatic.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright © 2017 Bdale Garbee <bdale@gag.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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 struct ao_log_telestatic log;
+
+const uint8_t ao_log_format = AO_LOG_FORMAT_TELESTATIC;
+
+static uint8_t
+ao_log_csum(uint8_t *b) 
+{
+       uint8_t sum = 0x5a;
+       uint8_t i;
+
+       for (i = 0; i < sizeof (struct ao_log_telestatic); i++)
+               sum += *b++;
+       return -sum;
+}
+
+static uint8_t
+ao_log_telestatic(void)
+{
+       uint8_t wrote = 0;
+       /* set checksum */
+       log.csum = 0;
+       log.csum = ao_log_csum((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_telestatic));
+                       ao_log_current_pos += sizeof (struct ao_log_telestatic);
+               }
+       } ao_mutex_put(&ao_log_mutex);
+       return wrote;
+}
+
+#if HAS_ADC
+static uint8_t ao_log_data_pos;
+
+/* a hack to make sure that ao_log_metrums fill the eeprom block in even units */
+typedef uint8_t check_log_size[1-(256 % sizeof(struct ao_log_telestatic))] ;
+#endif
+
+void
+ao_log(void)
+{
+       ao_storage_setup();
+
+       do {
+               ao_log_scan();
+       
+               while (!ao_log_running)
+                       ao_sleep(&ao_log_running);
+       
+               log.type = AO_LOG_FLIGHT;
+               log.tick = ao_time();
+               log.u.flight.flight = ao_flight_number;
+               ao_log_telestatic();
+
+               /* Write the whole contents of the ring to the log
+               * when starting up.
+               */
+               ao_log_data_pos = ao_data_ring_next(ao_data_head);
+               for (;;) {
+                       /* Write samples to EEPROM */
+                       while (ao_log_data_pos != ao_data_head) {
+                               log.tick = ao_data_ring[ao_log_data_pos].tick;
+                               log.type = AO_LOG_SENSOR;
+#if HAS_ADS131A0X
+                               log.u.sensor.pressure = ao_data_ring[ao_log_data_pos].ads131a0x.ain[0];
+                               log.u.sensor.pressure2 = ao_data_ring[ao_log_data_pos].ads131a0x.ain[1];
+                               log.u.sensor.thrust = ao_data_ring[ao_log_data_pos].ads131a0x.ain[2];
+                               log.u.sensor.mass = ao_data_ring[ao_log_data_pos].ads131a0x.ain[3];
+#endif
+                               log.u.sensor.t_low = ao_data_ring[ao_log_data_pos].max6691.sensor[0].t_low;
+                               int i;
+                               for (i = 0; i < 4; i++)
+                                       log.u.sensor.t_high[i] = ao_data_ring[ao_log_data_pos].max6691.sensor[i].t_high;
+                               ao_log_telestatic();
+                               ao_log_data_pos = ao_data_ring_next(ao_log_data_pos);
+                       }
+
+                       ao_log_flush();
+
+                       if (!ao_log_running) break;
+
+                       /* Wait for a while */
+                       ao_delay(AO_MS_TO_TICKS(100));
+               }
+       } while (ao_log_running);
+}
+