Changeset 6001:872d916b8ca0 in roaraudio for include

Timestamp:

04/06/14 07:00:26 (10 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

added some support for CONTROL messages to libroarlight's RoarDMX support

File:

• include/libroarlight/roardmx.h (modified) (3 diffs)

include/libroarlight/roardmx.h

@@ -99 +99 @@
 #define ROAR_ROARDMX_EVENT_USER15   0x3F /* User defined event #15 */
 
+/* subcommands for ROAR_ROARDMX_TYPE_CONTROL: */
+#define ROAR_ROARDMX_CTL_VERSION    0x00 /* Version of Codec */
+#define ROAR_ROARDMX_CTL_SYNC       0x01 /* Sync state */
+
+/* Flags for ROAR_ROARDMX_CTL_SYNC: */
+#define ROAR_ROARDMX_SYNC_DIRTY     0x01 /* global state is not sync, some more data needs to be send first */
+#define ROAR_ROARDMX_SYNC_CLEAN     0x02 /* global state is sync */
+#define ROAR_ROARDMX_SYNC_SOF       0x03 /* start of frame */
+#define ROAR_ROARDMX_SYNC_EOF       0x04 /* end of frame */
+#define ROAR_ROARDMX_SYNC_CLOCK     0x80 /* clock tick */
+
 // Data format on the wire:
 /*
@@ -130 +141 @@
  * (beat, on, off, hold) and the lower 6 bits to the type of te event.
  *
- * CONTROL: not implemented.
+ * CONTROL: transmit other control information.
+ * The body consists of a version byte followed by a command byte.
+ * The version byte is always zero by this standard.
+ * The command byte is one of ROAR_ROARDMX_CTL_*
+ * The rest of body depends on both the version and command byte.
+ * For command=VERSION packets the rest of the body is a single byte with the value
+ * of zero as of this standard.
+ * For command=SYNC packets the rest of the body is a single byte which is a bitarray
+ * for flags defined above as ROAR_ROARDMX_SYNC_*.
  */
 
@@ -191 +210 @@
 
 // * CONTROL:
-// Not yet supported.
+int roar_roardmx_message_new_version(struct roar_roardmx_message * mes, uint8_t version);
+int roar_roardmx_message_new_sync(struct roar_roardmx_message * mes, uint8_t flags);
+int roar_roardmx_message_get_subcommand(struct roar_roardmx_message * mes);
+int roar_roardmx_message_get_ctl_version(struct roar_roardmx_message * mes);
+int roar_roardmx_message_get_ctl_flags(struct roar_roardmx_message * mes);
 
 #endif