Changeset fb6c98f in mainline for uspace/drv/audio/sb16/dsp.h

Timestamp:

2012-08-20T14:03:19Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6f57933

Parents:

018ab50

Message:

sb16: Improve state management and use it to reject invalid requests.

File:

• uspace/drv/audio/sb16/dsp.h (modified) (2 diffs)

uspace/drv/audio/sb16/dsp.h

@@ -42 +42 @@
 
 #include "registers.h"
+typedef enum {
+        DSP_PLAYBACK_ACTIVE_EVENTS,
+        DSP_CAPTURE_ACTIVE_EVENTS,
+        DSP_PLAYBACK_NOEVENTS,
+        DSP_CAPTURE_NOEVENTS,
+        DSP_STOPPED,
+        DSP_READY,
+        DSP_NO_BUFFER,
+} dsp_state_t;
 
 typedef struct sb_dsp_t {
@@ -61 +70 @@
                 unsigned frame_count;
         } active;
-        enum {
-                DSP_PLAYBACK,
-                DSP_CAPTURE,
-                DSP_STOPPED,
-        } status;
+        dsp_state_t state;
         async_sess_t *event_session;
         async_exch_t *event_exchange;