altos: Signal continuity over radio in pad mode (trac #40)

[fw/altos] / src / core / ao.h

diff --git a/src/core/ao.h b/src/core/ao.h
index 861a0fd479dc70aed5863cafb3591ec5a088b07b..2e012f083e597ed4ad2d252e2e773e6d3d523dae 100644 (file)
--- a/src/core/ao.h
+++ b/src/core/ao.h
@@ -264,6 +264,26 @@ ao_cmd_filter(void);
  * ao_report.c
  */
 
+#define AO_RDF_INTERVAL_TICKS  AO_SEC_TO_TICKS(5)
+#define AO_RDF_LENGTH_MS       500
+#define AO_RDF_CONTINUITY_MS   32
+#define AO_RDF_CONTINUITY_PAUSE        96
+#define AO_RDF_CONTINUITY_TOTAL        ((AO_RDF_CONTINUITY_PAUSE + AO_RDF_CONTINUITY_MS) * 3 + AO_RDF_CONTINUITY_PAUSE)
+
+/* This assumes that we're generating a 1kHz tone, which
+ * modulates the carrier at 2kbps, or 250kBps
+ */
+#define AO_MS_TO_RDF_LEN(ms) ((ms) / 4)
+
+#define AO_RADIO_RDF_LEN       AO_MS_TO_RDF_LEN(AO_RDF_LENGTH_MS)
+#define AO_RADIO_CONT_TONE_LEN AO_MS_TO_RDF_LEN(AO_RDF_CONTINUITY_MS)
+#define AO_RADIO_CONT_PAUSE_LEN        AO_MS_TO_RDF_LEN(AO_RDF_CONTINUITY_PAUSE)
+#define AO_RADIO_CONT_TOTAL_LEN        AO_MS_TO_RDF_LEN(AO_RDF_CONTINUITY_TOTAL)
+
+/* returns a value 0-3 to indicate igniter continuity */
+uint8_t
+ao_report_igniter(void);
+
 void
 ao_report_init(void);
 
@@ -538,10 +558,11 @@ ao_radio_recv_abort(void);
  * 2 * ms bits, or ms / 4 bytes
  */
 
-#define AO_MS_TO_RDF_LEN(ms) ((ms) > 255 * 4 ? 255 : ((ms) >> 2))
+void
+ao_radio_rdf(void);
 
 void
-ao_radio_rdf(uint8_t pkt_len);
+ao_radio_continuity(uint8_t c);
 
 void
 ao_radio_rdf_abort(void);