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authorfulup <fulup.arfoll@iot.bzh>2017-07-30 21:11:00 +0200
committerfulup <fulup.arfoll@iot.bzh>2017-07-30 21:11:00 +0200
commit94a12b24d1712573607b78cd78f47e998a0323d4 (patch)
treee7407a2aca62fc25bfb95300f94db95664d4aeb0 /HAL-afb/HAL-interface/hal-interface.c
parentda4f9b32ad32593aec2635da47077f0c05da71be (diff)
First Dev version with Volume Ramping
Diffstat (limited to 'HAL-afb/HAL-interface/hal-interface.c')
-rw-r--r--HAL-afb/HAL-interface/hal-interface.c325
1 files changed, 224 insertions, 101 deletions
diff --git a/HAL-afb/HAL-interface/hal-interface.c b/HAL-afb/HAL-interface/hal-interface.c
index f4fc8df..76cdbd8 100644
--- a/HAL-afb/HAL-interface/hal-interface.c
+++ b/HAL-afb/HAL-interface/hal-interface.c
@@ -21,24 +21,37 @@
#define _GNU_SOURCE // needed for vasprintf
#include <string.h>
#include "hal-interface.h"
+#include <systemd/sd-event.h>
-static alsaHalMapT *halCtls;
-static const char *halDevid;
-
-
+alsaHalSndCardT *halSndCard;
STATIC const char *halCtlsLabels[] = {
- [StartHalCrlTag] = "NOT_USED",
- [Master_Playback_Volume] = "Master_Playback_Volume",
- [Master_OnOff_Switch] = "Master_OnOff_Switch",
- [Master_Playback_Ramp] = "Master_Playback_Ramp",
- [PCM_Playback_Volume] = "PCM_Playback_Volume",
- [PCM_Playback_Switch] = "PCM_Playback_Switch",
- [Capture_Volume] = "Capture_Volume",
-
- [EndHalCrlTag] = "NOT_USED"
-
+ [Master_Playback_Volume] = "Master_Playback_Volume",
+ [Master_OnOff_Switch] = "Master_OnOff_Switch",
+ [Master_Playback_Ramp]= "Master_Playback_Ramp",
+ [PCM_Playback_Volume] = "PCM_Playback_Volume",
+ [PCM_Playback_Switch] = "PCM_Playback_Switch",
+ [Capture_Volume] = "Capture_Volume",
+
+ [Vol_Ramp] = "Volume_Ramp",
+ [Vol_Ramp_Set_Mode] = "Volume_Ramp_Mode",
+ [Vol_Ramp_Set_Delay] = "Volume_Ramp_Delay",
+ [Vol_Ramp_Set_Down] = "Volume_Ramp_Down",
+ [Vol_Ramp_Set_Up] = "Volume_Ramp_Up",
+
+ [EndHalCrlTag] = NULL
+};
+
+PUBLIC char *halVolRampModes[] = {
+
+ [RAMP_VOL_NONE] = "None",
+ [RAMP_VOL_NORMAL] = "Normal",
+ [RAMP_VOL_SMOOTH] = "Smooth",
+ [RAMP_VOL_EMERGENCY] = "Emergency",
+
+ [EndHalVolMod] = NULL,
+
};
// Force specific HAL to depend on ShareHalLib
@@ -54,6 +67,7 @@ STATIC void halSubscribe(afb_req request) {
// Map HAL ctlName to ctlLabel
STATIC int halCtlStringToIndex (const char* label) {
+ alsaHalMapT *halCtls= halSndCard->ctls;
for (int idx = 0; halCtls[idx].tag != EndHalCrlTag; idx++) {
if (!strcmp (halCtls[idx].label, label)) return idx;
@@ -64,6 +78,7 @@ STATIC int halCtlStringToIndex (const char* label) {
}
STATIC int halCtlTagToIndex (halCtlsEnumT tag) {
+ alsaHalMapT *halCtls= halSndCard->ctls;
for (int idx = 0; halCtls[idx].tag != EndHalCrlTag; idx++) {
if (halCtls[idx].tag == tag) return idx;
@@ -76,10 +91,11 @@ STATIC int halCtlTagToIndex (halCtlsEnumT tag) {
// Return ALL HAL snd controls
PUBLIC void halListCtls(afb_req request) {
- struct json_object *ctlsHalJ = json_object_new_array();
+ alsaHalMapT *halCtls= halSndCard->ctls;
+ json_object *ctlsHalJ = json_object_new_array();
for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
- struct json_object *ctlHalJ = json_object_new_object();
+ json_object *ctlHalJ = json_object_new_object();
json_object_object_add(ctlHalJ, "label", json_object_new_string(halCtls[idx].label));
json_object_object_add(ctlHalJ, "tag" , json_object_new_int(halCtls[idx].tag));
@@ -91,8 +107,8 @@ PUBLIC void halListCtls(afb_req request) {
afb_req_success (request, ctlsHalJ, NULL);
}
-STATIC int halGetCtlIndex (afb_req request, struct json_object*ctlInJ) {
- struct json_object *tmpJ;
+STATIC int halGetCtlIndex (afb_req request, json_object*ctlInJ) {
+ json_object *tmpJ;
int tag, index, done;
// check 1st short command mode [tag1, tag2, ...]
@@ -127,7 +143,6 @@ STATIC int halGetCtlIndex (afb_req request, struct json_object*ctlInJ) {
goto OnErrorExit;
}
-
if (index < 0) goto OnErrorExit;
// return corresponding lowlevel numid to querylist
@@ -139,10 +154,48 @@ STATIC int halGetCtlIndex (afb_req request, struct json_object*ctlInJ) {
}
+STATIC int halCallAlsaSetCtls (json_object *ctlsOutJ) {
+ json_object *responseJ, *queryJ;
+ int err;
+
+ // Call now level CTL
+ queryJ = json_object_new_object();
+ json_object_object_add(queryJ, "devid", json_object_new_string (halSndCard->devid));
+ json_object_object_add(queryJ, "ctl", ctlsOutJ);
+
+ err= afb_service_call_sync("alsacore", "setctl", queryJ, &responseJ);
+ json_object_put (responseJ); // let's ignore response
+
+ return err;
+}
+
+
+// retrieve a single HAL control from its tag.
+PUBLIC int halSetCtlByTag (halRampEnumT tag, int value) {
+ json_object *ctlJ = json_object_new_array();
+ alsaHalMapT *halCtls= halSndCard->ctls;
+ int err, index;
+
+ index = halCtlTagToIndex(tag);
+ if (index < 0) goto OnErrorExit;
+
+ json_object_array_add(ctlJ, json_object_new_int(halCtls[index].ctl.numid));
+ json_object_array_add(ctlJ, volumeNormalise (ACTION_SET, &halCtls[index].ctl, json_object_new_int(value)));
+
+ err = halCallAlsaSetCtls(ctlJ);
+
+ return err;
+
+ OnErrorExit:
+ return -1;
+}
+
+
// Translate high level control to low level and call lower layer
PUBLIC void halSetCtls(afb_req request) {
+ alsaHalMapT *halCtls= halSndCard->ctls;
int err, done, index;
- struct json_object *ctlsInJ, *ctlsOutJ, *queryJ, *valuesJ, *responseJ;
+ json_object *ctlsInJ, *ctlsOutJ, *valuesJ;
// get query from request
ctlsInJ = afb_req_json(request);
@@ -162,7 +215,7 @@ PUBLIC void halSetCtls(afb_req request) {
}
json_object_object_add (ctlsOutJ, "id", json_object_new_int(halCtls[index].ctl.numid));
- json_object_object_add (ctlsOutJ,"val", SetGetNormaliseVolumes (ACTION_SET, &halCtls[index].ctl, valuesJ));
+ json_object_object_add (ctlsOutJ,"val", volumeNormalise (ACTION_SET, &halCtls[index].ctl, valuesJ));
break;
}
@@ -170,7 +223,7 @@ PUBLIC void halSetCtls(afb_req request) {
ctlsOutJ = json_object_new_array();
for (int idx= 0; idx < json_object_array_length (ctlsInJ); idx++) {
- struct json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
+ json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
index= halGetCtlIndex (request, ctlInJ);
if (index < 0) goto OnErrorExit;
@@ -180,9 +233,9 @@ PUBLIC void halSetCtls(afb_req request) {
goto OnErrorExit;
}
// let's create alsa low level set control request
- struct json_object *ctlOutJ = json_object_new_object();
+ json_object *ctlOutJ = json_object_new_object();
json_object_object_add (ctlOutJ, "id", json_object_new_int(halCtls[index].ctl.numid));
- json_object_object_add (ctlOutJ, "val", SetGetNormaliseVolumes (ACTION_SET, &halCtls[index].ctl, valuesJ));
+ json_object_object_add (ctlOutJ, "val", volumeNormalise (ACTION_SET, &halCtls[index].ctl, valuesJ));
json_object_array_add (ctlsOutJ, ctlOutJ);
}
@@ -194,14 +247,9 @@ PUBLIC void halSetCtls(afb_req request) {
goto OnErrorExit;
}
- // Call now level CTL
- queryJ = json_object_new_object();
- json_object_object_add(queryJ, "devid", json_object_new_string (halDevid));
- json_object_object_add(queryJ, "numid", ctlsOutJ);
-
- err= afb_service_call_sync("alsacore", "setctl", queryJ, &responseJ);
+ err = halCallAlsaSetCtls (ctlsOutJ);
if (err) {
- afb_req_fail_f(request, "subcall:alsacore/setctl", "%s", json_object_get_string(responseJ));
+ afb_req_fail_f(request, "subcall:alsacore/setctl", "%s", json_object_get_string(ctlsOutJ));
goto OnErrorExit;
}
@@ -213,24 +261,35 @@ OnErrorExit:
};
// Remap low level controls into HAL hight level ones
-STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *ctlsJ) {
- struct json_object *halResponseJ;
-
- // make sure return controls have a valid type
- if (json_object_get_type(ctlsJ) != json_type_array) {
- afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol ctlsJ=%s", json_object_get_string(ctlsJ));
- goto OnErrorExit;
+STATIC json_object *HalGetPrepareResponse(afb_req request, json_object *ctlsJ) {
+ alsaHalMapT *halCtls= halSndCard->ctls;
+ json_object *halResponseJ;
+ int length;
+
+ switch (json_object_get_type(ctlsJ)) {
+ case json_type_array:
+ // responseJ is a JSON array
+ halResponseJ = json_object_new_array();
+ length = json_object_array_length(ctlsJ);
+ break;
+ case json_type_object:
+ halResponseJ=NULL;
+ length = 1;
+ break;
+ default:
+ afb_req_fail_f(request, "ctls-notarray", "Invalid Controls return from alsa/getcontrol ctlsJ=%s", json_object_get_string(ctlsJ));
+ goto OnErrorExit;
}
- // responseJ is a JSON array
- halResponseJ = json_object_new_array();
-
// loop on array and store values into client context
- for (int idx = 0; idx < json_object_array_length(ctlsJ); idx++) {
- struct json_object *sndCtlJ, *valJ, *numidJ;
+ for (int idx = 0; idx < length; idx++) {
+ json_object *sndCtlJ, *valJ, *numidJ;
int numid;
- sndCtlJ = json_object_array_get_idx(ctlsJ, idx);
+ // extract control from array if any
+ if (halResponseJ) sndCtlJ = json_object_array_get_idx(ctlsJ, idx);
+ else sndCtlJ=ctlsJ;
+
if (!json_object_object_get_ex(sndCtlJ, "id", &numidJ) || !json_object_object_get_ex(sndCtlJ, "val", &valJ)) {
afb_req_fail_f(request, "ctl-invalid", "Invalid Control return from alsa/getcontrol ctl=%s", json_object_get_string(sndCtlJ));
goto OnErrorExit;
@@ -240,14 +299,16 @@ STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *c
numid= (halCtlsEnumT) json_object_get_int(numidJ);
for (int idx = 0; halCtls[idx].ctl.numid; idx++) {
- if (halCtls[idx].ctl.numid == numid) {
-
+ if (halCtls[idx].ctl.numid == numid) {
// translate low level numid to HAL one and normalise values
- struct json_object *halCtlJ = json_object_new_object();
+ json_object *halCtlJ = json_object_new_object();
json_object_object_add(halCtlJ, "label", json_object_new_string(halCtls[idx].label)); // idx+1 == HAL/NUMID
json_object_object_add(halCtlJ, "tag" , json_object_new_int(halCtls[idx].tag)); // idx+1 == HAL/NUMID
- json_object_object_add(halCtlJ, "val" , SetGetNormaliseVolumes(ACTION_GET, &halCtls[idx].ctl, valJ));
- json_object_array_add(halResponseJ, halCtlJ);
+ json_object_object_add(halCtlJ, "val" , volumeNormalise(ACTION_GET, &halCtls[idx].ctl, valJ));
+
+ if (halResponseJ) json_object_array_add(halResponseJ, halCtlJ);
+ else halResponseJ=halCtlJ;
+
break;
}
}
@@ -262,10 +323,55 @@ STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *c
return NULL;
}
+
+
+STATIC json_object *halCallAlsaGetCtls (json_object *ctlsOutJ) {
+ json_object *responseJ, *queryJ;
+ int err, done;
+
+ // Call now level CTL
+ queryJ = json_object_new_object();
+ json_object_object_add(queryJ, "devid", json_object_new_string (halSndCard->devid));
+ json_object_object_add(queryJ, "ctl", ctlsOutJ);
+
+ err= afb_service_call_sync("alsacore", "getctl", queryJ, &responseJ);
+ if (err) goto OnErrorExit;
+
+ // Let ignore info data if any and keep on response
+ done = json_object_object_get_ex (responseJ, "response", &responseJ);
+ if (!done) goto OnErrorExit;
+
+ return responseJ;
+
+ OnErrorExit:
+ return NULL;
+}
+
+// retrieve a single HAL control from its tag.
+PUBLIC json_object *halGetCtlByTag (halRampEnumT tag) {
+ json_object *responseJ, *valJ;
+ alsaHalMapT *halCtls= halSndCard->ctls;
+ int done, index;
+
+ index = halCtlTagToIndex(tag);
+ if (index < 0) goto OnErrorExit;
+ responseJ = halCallAlsaGetCtls(json_object_new_int(halCtls[index].ctl.numid));
+
+ done = json_object_object_get_ex(responseJ, "val", &valJ);
+ if (!done) goto OnErrorExit;
+
+ return volumeNormalise(ACTION_GET, &halCtls[index].ctl, valJ);
+
+ OnErrorExit:
+ return NULL;
+}
+
+
// Translate high level control to low level and call lower layer
PUBLIC void halGetCtls(afb_req request) {
- int err, index;
- struct json_object *ctlsInJ, *ctlsOutJ, *queryJ, *responseJ;
+ int index;
+ alsaHalMapT *halCtls= halSndCard->ctls;
+ json_object *ctlsInJ, *ctlsOutJ, *responseJ;
// get query from request
ctlsInJ = afb_req_json(request);
@@ -283,7 +389,7 @@ PUBLIC void halGetCtls(afb_req request) {
case json_type_array: {
for (int idx= 0; idx < json_object_array_length (ctlsInJ); idx++) {
- struct json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
+ json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx);
index= halGetCtlIndex (request, ctlInJ);
if (index < 0) goto OnErrorExit;
json_object_array_add (ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid));
@@ -297,21 +403,14 @@ PUBLIC void halGetCtls(afb_req request) {
}
// Call now level CTL
- queryJ = json_object_new_object();
- json_object_object_add(queryJ, "devid", json_object_new_string (halDevid));
- json_object_object_add(queryJ, "numid", ctlsOutJ);
-
- err= afb_service_call_sync("alsacore", "getctl", queryJ, &responseJ);
- if (err) {
+ responseJ = halCallAlsaGetCtls (ctlsOutJ);
+ if (!responseJ) {
afb_req_fail_f(request, "subcall:alsacore/getctl", "%s", json_object_get_string(responseJ));
goto OnErrorExit;
}
- // Let ignore info data if any and keep on response
- json_object_object_get_ex (responseJ, "response", &responseJ);
-
// map back low level response to HAL ctl with normalised values
- struct json_object *halResponse = HalGetPrepareResponse(request, responseJ);
+ json_object *halResponse = HalGetPrepareResponse(request, responseJ);
if (!halResponse) goto OnErrorExit;
afb_req_success (request, halResponse, NULL);
@@ -321,35 +420,9 @@ OnErrorExit:
return;
};
-// This receive all event this binding subscribe to
-PUBLIC void halServiceEvent(const char *evtname, struct json_object *eventJ) {
- int numid;
- struct json_object *numidJ, *valuesJ, *valJ;
-
- AFB_NOTICE("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
-
- json_object_object_get_ex (eventJ, "val" , &valuesJ);
- if (!valuesJ) {
- AFB_ERROR("halServiceEvent novalues: evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
- return;
- }
-
- json_object_object_get_ex (valuesJ, "numid" , &numidJ);
- numid = json_object_get_int (numidJ);
-
- // search it corresponding numid in halCtls attach a callback
- if (numid) {
- for (int idx= 0; halCtls[idx].ctl.numid; idx++) {
- if (halCtls[idx].ctl.numid == numid && halCtls[idx].cb.callback != NULL) {
- json_object_object_get_ex (valuesJ, "val" , &valJ);
- halCtls[idx].cb.callback (&halCtls[idx].ctl, halCtls[idx].cb.handle, valJ);
- }
- }
- }
-}
-STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) {
- struct json_object *tmpJ, *ctlJ;
+STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, json_object *sndCtlJ) {
+ json_object *tmpJ, *ctlJ;
json_object_object_get_ex (sndCtlJ, "name" , &tmpJ);
ctl->name = (char*)json_object_get_string(tmpJ);
@@ -377,7 +450,7 @@ STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) {
// process dbscale TLV if any
if (json_object_object_get_ex (sndCtlJ, "tlv" , &tmpJ)) {
- struct json_object *dbscaleJ;
+ json_object *dbscaleJ;
if (!json_object_object_get_ex (tmpJ, "dbscale" , &dbscaleJ)) {
AFB_WARNING("TLV found but not DBscale attached ctl name=%s numid=%d", ctl->name, ctl->numid);
@@ -407,8 +480,12 @@ STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) {
// this is call when after all bindings are loaded
PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard) {
int err;
- struct json_object *queryurl, *responseJ, *devidJ, *ctlsJ, *tmpJ;
- halCtls = alsaHalSndCard->ctls; // Get sndcard specific HAL control mapping
+ json_object *queryurl, *responseJ, *devidJ, *ctlsJ, *tmpJ;
+ alsaHalMapT *halCtls= alsaHalSndCard->ctls;
+
+ // if not volume normalisation CB provided use default one
+ if (!alsaHalSndCard->volumeCB) alsaHalSndCard->volumeCB=volumeNormalise;
+ halSndCard= alsaHalSndCard;
err= afb_daemon_require_api("alsacore", 1);
if (err) {
@@ -435,12 +512,12 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar
}
// save devid for future use
- halDevid = strdup (json_object_get_string(devidJ));
+ halSndCard->devid = strdup (json_object_get_string(devidJ));
// for each Non Alsa Control callback create a custom control
ctlsJ= json_object_new_array();
for (int idx= 0; (halCtls[idx].ctl.name||halCtls[idx].ctl.numid); idx++) {
- struct json_object *ctlJ;
+ json_object *ctlJ;
// map HAL ctlTad with halCrlLabel to simplify set/get ctl operations using Labels
halCtls[idx].label = halCtlsLabels[halCtls[idx].tag];
@@ -452,10 +529,29 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar
if (halCtls[idx].ctl.maxval) json_object_object_add(ctlJ, "max" , json_object_new_int(halCtls[idx].ctl.maxval));
if (halCtls[idx].ctl.step) json_object_object_add(ctlJ, "step" , json_object_new_int(halCtls[idx].ctl.step));
if (halCtls[idx].ctl.type) json_object_object_add(ctlJ, "type" , json_object_new_int(halCtls[idx].ctl.type));
+ if (halCtls[idx].ctl.count) json_object_object_add(ctlJ, "count", json_object_new_int(halCtls[idx].ctl.count));
+ if (halCtls[idx].ctl.value) json_object_object_add(ctlJ, "value", json_object_new_int(halCtls[idx].ctl.value));
+
+ if (halCtls[idx].ctl.dbscale) {
+ json_object *dbscaleJ=json_object_new_object();
+ if (halCtls[idx].ctl.dbscale->max) json_object_object_add(dbscaleJ, "max" , json_object_new_int(halCtls[idx].ctl.dbscale->max));
+ if (halCtls[idx].ctl.dbscale->min) json_object_object_add(dbscaleJ, "min" , json_object_new_int(halCtls[idx].ctl.dbscale->min));
+ if (halCtls[idx].ctl.dbscale->step) json_object_object_add(dbscaleJ, "step", json_object_new_int(halCtls[idx].ctl.dbscale->step));
+ if (halCtls[idx].ctl.dbscale->mute) json_object_object_add(dbscaleJ, "mute", json_object_new_int(halCtls[idx].ctl.dbscale->mute));
+ json_object_object_add(ctlJ, "dbscale" , dbscaleJ);
+ }
+
+ if (halCtls[idx].ctl.enums) {
+ json_object *enumsJ=json_object_new_array();
+ for (int jdx=0; halCtls[idx].ctl.enums[jdx]; jdx++) {
+ json_object_array_add(enumsJ, json_object_new_string(halCtls[idx].ctl.enums[jdx]));
+ }
+ json_object_object_add(ctlJ, "enums" , enumsJ);
+ }
json_object_array_add(ctlsJ, ctlJ);
} else {
ctlJ = json_object_new_object();
- if (halCtls[idx].ctl.numid) json_object_object_add(ctlJ, "numid" , json_object_new_int(halCtls[idx].ctl.numid));
+ if (halCtls[idx].ctl.numid) json_object_object_add(ctlJ, "ctl" , json_object_new_int(halCtls[idx].ctl.numid));
if (halCtls[idx].ctl.name) json_object_object_add(ctlJ, "name" , json_object_new_string(halCtls[idx].ctl.name));
json_object_array_add(ctlsJ, ctlJ);
}
@@ -508,13 +604,40 @@ PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCar
return (1);
};
+
+// This receive all event this binding subscribe to
+PUBLIC void halServiceEvent(const char *evtname, json_object *eventJ) {
+ int numid;
+ alsaHalMapT *halCtls= halSndCard->ctls;
+ json_object *numidJ, *valuesJ;
+
+ AFB_DEBUG("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
+
+ json_object_object_get_ex (eventJ, "id" , &numidJ);
+ numid = json_object_get_int (numidJ);
+ if (!numid) {
+ AFB_ERROR("halServiceEvent noid: evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ));
+ return;
+ }
+ json_object_object_get_ex (eventJ, "val" , &valuesJ);
+
+ // search it corresponding numid in halCtls attach a callback
+ if (numid) {
+ for (int idx= 0; halCtls[idx].ctl.numid; idx++) {
+ if (halCtls[idx].ctl.numid == numid && halCtls[idx].cb.callback != NULL) {
+ halCtls[idx].cb.callback (halCtls[idx].tag, &halCtls[idx].ctl, halCtls[idx].cb.handle, valuesJ);
+ }
+ }
+ }
+}
+
// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
PUBLIC afb_verb_v2 halServiceApi[] = {
/* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */
- { .verb = "ping", .callback = pingtest},
- { .verb = "ctl-list", .callback = halListCtls},
- { .verb = "ctl-get", .callback = halGetCtls},
- { .verb = "ctl-set", .callback = halSetCtls},
- { .verb = "evt-sub", .callback = halSubscribe},
+ { .verb = "ping", .callback = pingtest , .info="ping test for API"},
+ { .verb = "ctl-list", .callback = halListCtls , .info="List AGL normalised Sound Controls"},
+ { .verb = "ctl-get", .callback = halGetCtls , .info="Get one/many sound controls"},
+ { .verb = "ctl-set", .callback = halSetCtls , .info="Set one/many sound controls"},
+ { .verb = "evt-sub", .callback = halSubscribe, .info="Subscribe to HAL events"},
{ .verb = NULL} /* marker for end of the array */
};