altos: Add telerepeat-v1.0

This uses TeleBT hardware to provide a telemetry repeater, receiving
packets on one frequency and re-transmitting them on another.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/kernel/ao_forward.c b/src/kernel/ao_forward.c
new file mode 100644
index 00000000..2a937183
--- /dev/null
+++ b/src/kernel/ao_forward.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright © 2014 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_telem.h"
+
+static void
+ao_monitor_forward(void)
+{
+	uint32_t					recv_radio_setting;
+	static __xdata struct ao_telemetry_all_recv	packet;
+
+	for (;;) {
+		while (ao_monitoring)
+			ao_sleep(DATA_TO_XDATA(&ao_monitoring));
+
+		if (!ao_radio_recv(&packet, sizeof(packet), 0))
+			continue;
+		if (!(packet.status & PKT_APPEND_STATUS_1_CRC_OK))
+			continue;
+		recv_radio_setting = ao_config.radio_setting;
+		ao_config.radio_setting = ao_send_radio_setting;
+		ao_radio_send(&packet.telemetry, sizeof (packet.telemetry));
+		ao_config.radio_setting = recv_radio_setting;
+	}
+}
+
+static __xdata struct ao_task ao_monitor_forward_task;
+
+void
+ao_monitor_forward_init(void) __reentrant
+{
+	ao_add_task(&ao_monitor_forward_task, ao_monitor_forward, "monitor_forward");
+}