altos: Shuffle LCO functions around, add telelco first cut

[fw/altos] / src / drivers / ao_lco_func.c

diff --git a/src/drivers/ao_lco_func.c b/src/drivers/ao_lco_func.c
new file mode 100644 (file)
index 0000000..152b5d1
--- /dev/null
+++ b/src/drivers/ao_lco_func.c
@@ -0,0 +1,70 @@
+/*
+ * 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_pad.h>
+#include <ao_radio_cmac.h>
+#include <ao_lco_func.h>
+
+static __xdata struct ao_pad_command   command;
+static __xdata uint8_t                 ao_lco_mutex;
+
+int8_t
+ao_lco_query(uint16_t box, struct ao_pad_query *query, uint16_t *tick_offset)
+{
+       uint8_t         i;
+       int8_t          r;
+       uint16_t        time;
+
+       ao_mutex_get(&ao_lco_mutex);
+       time = ao_time();
+       command.tick = time;
+       command.box = box;
+       command.cmd = AO_LAUNCH_QUERY;
+       command.channels = 0;
+       ao_radio_cmac_send(&command, sizeof (command));
+       r = ao_radio_cmac_recv(query, sizeof (*query), AO_MS_TO_TICKS(500));
+       if (r == AO_RADIO_CMAC_OK)
+               *tick_offset = time - query->tick;
+       ao_mutex_put(&ao_lco_mutex);
+       return r;
+}
+
+void
+ao_lco_arm(uint16_t box, uint8_t channels, uint16_t tick_offset)
+{
+       ao_mutex_get(&ao_lco_mutex);
+       command.tick = ao_time() - tick_offset;
+       command.box = box;
+       command.cmd = AO_LAUNCH_ARM;
+       command.channels = channels;
+       ao_radio_cmac_send(&command, sizeof (command));
+       ao_mutex_put(&ao_lco_mutex);
+}
+
+void
+ao_lco_ignite(uint16_t box, uint8_t channels, uint16_t tick_offset)
+{
+       ao_mutex_get(&ao_lco_mutex);
+       command.tick = ao_time() - tick_offset;
+       command.box = box;
+       command.cmd = AO_LAUNCH_FIRE;
+       command.channels = channels;
+       ao_radio_cmac_send(&command, sizeof (command));
+       ao_mutex_put(&ao_lco_mutex);
+}
+