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-rw-r--r--HAL-afb/HAL-interface/hal-interface.c112
1 files changed, 44 insertions, 68 deletions
diff --git a/HAL-afb/HAL-interface/hal-interface.c b/HAL-afb/HAL-interface/hal-interface.c
index 2c6595f..29c5e88 100644
--- a/HAL-afb/HAL-interface/hal-interface.c
+++ b/HAL-afb/HAL-interface/hal-interface.c
@@ -37,31 +37,11 @@ typedef struct {
} shareHallMap_T;
static shareHallMap_T *shareHallMap;
+static alsaHalMapT *halCtls;
// Force specific HAL to depend on ShareHalLib
PUBLIC char* SharedHalLibVersion="1.0";
-// This callback when api/alsacore/subscribe returns
-STATIC void alsaSubcribeCB(void *handle, int iserror, struct json_object *result) {
- afb_req request = afb_req_unstore(handle);
- struct json_object *x, *resp = NULL;
- const char *info = NULL;
-
- if (result) {
- INFO( "result=[%s]\n", json_object_to_json_string(result));
- if (json_object_object_get_ex(result, "request", &x) && json_object_object_get_ex(x, "info", &x))
- info = json_object_get_string(x);
- if (!json_object_object_get_ex(result, "response", &resp)) resp = NULL;
- }
-
- // push message respond
- if (iserror) afb_req_fail_f(request, "Fail", info);
- else afb_req_success(request, resp, info);
-
- // free calling request
- afb_req_unref(request);
-}
-
// Subscribe to AudioBinding events
STATIC void halSubscribe(afb_req request) {
const char *devid = afb_req_value(request, "devid");
@@ -125,7 +105,6 @@ STATIC int NormaliseValue(const alsaHalCtlMapT *halCtls, int valuein) {
// receive controls for LowLevel remap them to hight level before returning them
STATIC void halGetControlCB(void *handle, int iserror, struct json_object *result) {
- alsaHalMapT *halCtls = alsaHalSndCard.ctls;
struct json_object *response;
// retrieve request and check for errors
@@ -218,8 +197,8 @@ STATIC void halGetCtls(afb_req request) {
ctl = json_object_array_get_idx(ctlsin, idx);
control = (halCtlsEnumT) json_object_get_int(ctl);
if (control >= EndHalCrlTag || control <= StartHalCrlTag) {
- afb_req_fail_f(request, "ctl-invalid", "Invalid Control devid=%s sndcard=%s ctl=[%s] should be [%d-%d]"
- , json_object_get_string(devid), alsaHalSndCard.name, json_object_get_string(ctl), StartHalCrlTag, EndHalCrlTag);
+ afb_req_fail_f(request, "ctl-invalid", "Invalid Control devid=%s ctl=[%s] should be [%d-%d]"
+ , json_object_get_string(devid), json_object_get_string(ctl), StartHalCrlTag, EndHalCrlTag);
goto OnExit;
}
@@ -241,60 +220,69 @@ OnExit:
// This receive all event this binding subscribe to
-PUBLIC void afbServiceEvent(const char *evtname, struct json_object *object) {
+PUBLIC void halServiceEvent(const char *evtname, struct json_object *object) {
- NOTICE("afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object));
+ AFB_NOTICE("afbBindingV1ServiceEvent evtname=%s [msg=%s]", evtname, json_object_to_json_string(object));
}
// this is call when after all bindings are loaded
-STATIC int afbServiceInit() {
- int rc=0, err;
- struct json_object *queryurl, *jResponse;
- alsaHalMapT *halCtls = alsaHalSndCard.ctls; // Get sndcard specific HAL control mapping
+PUBLIC int halServiceInit (const char *apiPrefix, alsaHalSndCardT *alsaHalSndCard) {
+ int ok, err;
+ struct json_object *queryurl, *responseJ, *devidJ, *tmpJ;
+ halCtls = alsaHalSndCard->ctls; // Get sndcard specific HAL control mapping
- if (alsaHalSndCard.initCB) {
- rc= (alsaHalSndCard.initCB)();
- if (rc != 0) goto OnErrorExit;
- }
-
err= afb_daemon_require_api("alsacore", 1);
+ if (err) {
+ AFB_ERROR ("AlsaCore missing cannot use AlsaHAL");
+ goto OnErrorExit;
+ }
// register HAL with Alsa Low Level Binder
queryurl = json_object_new_object();
- json_object_object_add(queryurl, "prefix", json_object_new_string(sndCardApiPrefix));
- json_object_object_add(queryurl, "name", json_object_new_string(alsaHalSndCard.name));
+ json_object_object_add(queryurl, "prefix", json_object_new_string(apiPrefix));
+ json_object_object_add(queryurl, "sndname", json_object_new_string(alsaHalSndCard->name));
- afb_service_call_sync("alsacore", "registerHal", queryurl, &jResponse);
- err= afb_service_call_sync ("alsacore", "registerHal", queryurl, &jResponse);
- if (err) {
- ERROR ("Fail to register HAL to ALSA lowlevel binding");
+ ok= afb_service_call_sync ("alsacore", "registerHal", queryurl, &responseJ);
+ json_object_put(queryurl);
+ if (!ok) {
+ NOTICE ("Fail to register HAL to ALSA lowlevel binding Response=[%s]", json_object_to_json_string(responseJ));
goto OnErrorExit;
}
- json_object_put(queryurl);
-
+
+ // extract sound devid from HAL registration
+ if (!json_object_object_get_ex(responseJ, "response", &tmpJ) || !json_object_object_get_ex(tmpJ, "devid", &devidJ)) {
+ AFB_ERROR ("Ooops: Internal error no devid return from HAL registration Response=[%s]", json_object_to_json_string(responseJ));
+ goto OnErrorExit;
+ }
+
// for each Non Alsa Control callback create a custom control
for (int idx = 0; halCtls[idx].alsa.numid != 0; idx++) {
if (halCtls[idx].cb.callback != NULL) {
queryurl = json_object_new_object();
- if (halCtls[idx].alsa.name) json_object_object_add(queryurl, "name" , json_object_new_string(halCtls[idx].alsa.name));
- if (halCtls[idx].alsa.numid) json_object_object_add(queryurl, "numid" , json_object_new_int(halCtls[idx].alsa.numid));
- if (halCtls[idx].alsa.minval) json_object_object_add(queryurl, "minval", json_object_new_int(halCtls[idx].alsa.minval));
- if (halCtls[idx].alsa.maxval) json_object_object_add(queryurl, "maxval", json_object_new_int(halCtls[idx].alsa.maxval));
- if (halCtls[idx].alsa.step) json_object_object_add(queryurl, "step" , json_object_new_int(halCtls[idx].alsa.step));
- if (halCtls[idx].alsa.type) json_object_object_add(queryurl, "type" , json_object_new_int(halCtls[idx].alsa.type));
+ json_object_object_add(queryurl, "devid",devidJ);
+ tmpJ = json_object_new_object();
+ if (halCtls[idx].alsa.name) json_object_object_add(tmpJ, "name" , json_object_new_string(halCtls[idx].alsa.name));
+ if (halCtls[idx].alsa.numid) json_object_object_add(tmpJ, "numid" , json_object_new_int(halCtls[idx].alsa.numid));
+ if (halCtls[idx].alsa.minval) json_object_object_add(tmpJ, "minval", json_object_new_int(halCtls[idx].alsa.minval));
+ if (halCtls[idx].alsa.maxval) json_object_object_add(tmpJ, "maxval", json_object_new_int(halCtls[idx].alsa.maxval));
+ if (halCtls[idx].alsa.step) json_object_object_add(tmpJ, "step" , json_object_new_int(halCtls[idx].alsa.step));
+ if (halCtls[idx].alsa.type) json_object_object_add(tmpJ, "type" , json_object_new_int(halCtls[idx].alsa.type));
+ json_object_object_add(queryurl, "ctls",tmpJ);
- err= afb_service_call_sync ("alsacore", "addUserCtl", queryurl, &jResponse);
- if (err) {
- ERROR ("Fail to register Callback for ctrl=[%s]", halCtls[idx].alsa.name);
+ AFB_NOTICE("QUERY=%s", json_object_to_json_string(queryurl));
+
+ ok= afb_service_call_sync ("alsacore", "addcustomctl", queryurl, &responseJ);
+ if (!ok) {
+ AFB_ERROR ("Fail to add Customer Sound Control for ctrl=[%s] Response=[%s]", halCtls[idx].alsa.name, json_object_to_json_string(responseJ));
goto OnErrorExit;
- }
+ }
}
}
// finally register for alsa lowlevel event
- err= afb_service_call_sync ("alsacore", "subscribe", queryurl, &jResponse);
+ err= afb_service_call_sync ("alsacore", "subscribe", queryurl, &responseJ);
if (err) {
- ERROR ("Fail subscribing to ALSA lowlevel events");
+ AFB_ERROR ("Fail subscribing to ALSA lowlevel events");
goto OnErrorExit;
}
@@ -305,24 +293,12 @@ STATIC int afbServiceInit() {
};
// Every HAL export the same API & Interface Mapping from SndCard to AudioLogic is done through alsaHalSndCardT
-STATIC afb_verb_v2 halSharedApi[] = {
+PUBLIC afb_verb_v2 halServiceApi[] = {
/* VERB'S NAME FUNCTION TO CALL SHORT DESCRIPTION */
{ .verb = "ping", .callback = pingtest},
{ .verb = "getctls", .callback = halGetCtls},
{ .verb = "setvol", .callback = halSetVol},
{ .verb = "getvol", .callback = halGetVol},
{ .verb = "subscribe", .callback = halSubscribe},
- { .verb = "monitor", .callback = halMonitor},
{ .verb = NULL} /* marker for end of the array */
};
-
-
-PUBLIC const struct afb_binding_v2 afbBindingV2 = {
- .api = sndCardApiPrefix,
- .specification = NULL,
- .verbs = halSharedApi,
- .preinit = NULL,
- .init = afbServiceInit,
- .onevent = afbServiceEvent,
- .noconcurrency = 0
-};