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>

4 files changed, 121 insertions, 1 deletions

diff --git a/src/kernel/ao_config.c b/src/kernel/ao_config.c
index d1b93122..6b8a1813 100644
--- a/src/kernel/ao_config.c
+++ b/src/kernel/ao_config.c
@@ -93,10 +93,18 @@ ao_config_put(void)
 #endif
 
 #if HAS_RADIO
+
+#if HAS_RADIO_FORWARD
+__xdata uint32_t	ao_send_radio_setting;
+#endif
+
 void
 ao_config_set_radio(void)
 {
 	ao_config.radio_setting = ao_freq_to_set(ao_config.frequency, ao_config.radio_cal);
+#if HAS_RADIO_FORWARD
+	ao_send_radio_setting = ao_freq_to_set(ao_config.send_frequency, ao_config.radio_cal);
+#endif
 }
 #endif /* HAS_RADIO */
 
@@ -208,6 +216,10 @@ _ao_config_get(void)
 		if (minor < 20)
 			ao_config.radio_rate = AO_CONFIG_DEFAULT_RADIO_RATE;
 #endif
+#if HAS_RADIO_FORWARD
+		if (minor < 21)
+			ao_config.send_frequency = 434550;
+#endif
 		ao_config.minor = AO_CONFIG_MINOR;
 		ao_config_dirty = 1;
 	}
@@ -302,6 +314,31 @@ ao_config_frequency_set(void) __reentrant
 
 #endif
 
+#if HAS_RADIO_FORWARD
+void
+ao_config_send_frequency_show(void) __reentrant
+{
+	printf("Send frequency: %ld\n",
+	       ao_config.send_frequency);
+}
+
+void
+ao_config_send_frequency_set(void) __reentrant
+{
+	ao_cmd_decimal();
+	if (ao_cmd_status != ao_cmd_success)
+		return;
+	_ao_config_edit_start();
+	ao_config.send_frequency = ao_cmd_lex_u32;
+	ao_config_set_radio();
+	_ao_config_edit_finish();
+#if HAS_RADIO_RECV
+	ao_radio_recv_abort();
+#endif
+}
+
+#endif
+
 #if HAS_FLIGHT
 
 void
@@ -863,6 +900,10 @@ __code struct ao_config_var ao_config_vars[] = {
 #if HAS_RADIO
 	{ "F <freq>\0Frequency (kHz)",
 	  ao_config_frequency_set, ao_config_frequency_show },
+#if HAS_RADIO_FORWARD
+	{ "R <freq>\0Repeater output frequency (kHz)",
+	  ao_config_send_frequency_set, ao_config_send_frequency_show },
+#endif
 	{ "c <call>\0Callsign (8 char max)",
 	  ao_config_callsign_set,	ao_config_callsign_show },
 	{ "e <0 disable, 1 enable>\0Enable telemetry and RDF",
diff --git a/src/kernel/ao_config.h b/src/kernel/ao_config.h
index 0be3e14d..164584a5 100644
--- a/src/kernel/ao_config.h
+++ b/src/kernel/ao_config.h
@@ -57,7 +57,7 @@
 #endif
 
 #define AO_CONFIG_MAJOR	1
-#define AO_CONFIG_MINOR	20
+#define AO_CONFIG_MINOR	21
 
 #define AO_AES_LEN 16
 
@@ -112,8 +112,15 @@ struct ao_config {
 #if HAS_RADIO_RATE
 	uint8_t		radio_rate;		/* minor version 20 */
 #endif
+#if HAS_RADIO_FORWARD
+	uint32_t	send_frequency;		/* minor version 21 */
+#endif
 };
 
+#if HAS_RADIO_FORWARD
+extern __xdata uint32_t	ao_send_radio_setting;
+#endif
+
 #define AO_IGNITE_MODE_DUAL		0
 #define AO_IGNITE_MODE_APOGEE		1
 #define AO_IGNITE_MODE_MAIN		2
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");
+}
diff --git a/src/kernel/ao_forward.h b/src/kernel/ao_forward.h
new file mode 100644
index 00000000..1897dc08
--- /dev/null
+++ b/src/kernel/ao_forward.h
@@ -0,0 +1,24 @@
+/*
+ * 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.
+ */
+
+#ifndef _AO_FORWARD_H_
+#define _AO_FORWARD_H_
+
+void
+ao_monitor_forward_init(void) __reentrant;
+
+#endif /* _AO_FORWARD_H_ */