From 593ed6dc72274f86046aae3dc6b264c568241917 Mon Sep 17 00:00:00 2001 From: fulup Date: Tue, 25 Jul 2017 11:37:10 +0200 Subject: Initial version of HAL with Set/Get operation --- HAL-afb/HAL-interface/hal-interface.c | 150 +++++++++++++--------------------- 1 file changed, 59 insertions(+), 91 deletions(-) (limited to 'HAL-afb/HAL-interface/hal-interface.c') diff --git a/HAL-afb/HAL-interface/hal-interface.c b/HAL-afb/HAL-interface/hal-interface.c index 1f39a81..f4fc8df 100644 --- a/HAL-afb/HAL-interface/hal-interface.c +++ b/HAL-afb/HAL-interface/hal-interface.c @@ -52,12 +52,10 @@ STATIC void halSubscribe(afb_req request) { } } - - // Map HAL ctlName to ctlLabel STATIC int halCtlStringToIndex (const char* label) { - for (int idx = 0; halCtls[idx].ctl.numid; idx++) { + for (int idx = 0; halCtls[idx].tag != EndHalCrlTag; idx++) { if (!strcmp (halCtls[idx].label, label)) return idx; } @@ -67,7 +65,7 @@ STATIC int halCtlStringToIndex (const char* label) { STATIC int halCtlTagToIndex (halCtlsEnumT tag) { - for (int idx = 0; halCtls[idx].ctl.numid; idx++) { + for (int idx = 0; halCtls[idx].tag != EndHalCrlTag; idx++) { if (halCtls[idx].tag == tag) return idx; } @@ -93,122 +91,98 @@ 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; - int tag, index; + int tag, index, done; // check 1st short command mode [tag1, tag2, ...] - tag = json_object_get_type (ctlInJ); - - if (!tag) { - json_object_object_get_ex (ctlInJ, "tag" , &tmpJ); - tag = json_object_get_int(tmpJ); - } - - if (tag) { - index = halCtlTagToIndex((halCtlsEnumT) tag); - } else { - // tag was not provided let's try label - const char *label; + enum json_type jtype = json_object_get_type (ctlInJ); + switch (jtype) { + case json_type_array: + tmpJ = json_object_array_get_idx (ctlInJ, 0); + tag = json_object_get_int(tmpJ); + index = halCtlTagToIndex(tag); + break; + + case json_type_int: + tag = json_object_get_int(ctlInJ); + index = halCtlTagToIndex(tag); + break; - json_object_object_get_ex (ctlInJ, "label" , &tmpJ); - label = json_object_get_string(tmpJ); - index = halCtlStringToIndex(label); + case json_type_object: + done = json_object_object_get_ex (ctlInJ, "tag" , &tmpJ); + if (done) { + tag = json_object_get_int(tmpJ); + index = halCtlTagToIndex(tag); + } else { + const char *label; + done = json_object_object_get_ex (ctlInJ, "label" , &tmpJ); + if (!done) goto OnErrorExit; + label = json_object_get_string(tmpJ); + index = halCtlStringToIndex(label); + } + break; + + default: + goto OnErrorExit; } + - if (index < 0) { - afb_req_fail_f(request, "ctl-invalid", "No Label/Tag given ctl='%s'", json_object_get_string(ctlInJ)); - goto OnErrorExit; - } + if (index < 0) goto OnErrorExit; // return corresponding lowlevel numid to querylist return index; OnErrorExit: + afb_req_fail_f(request, "ctl-invalid", "No Label/Tag given ctl='%s'", json_object_get_string(ctlInJ)); return -1; } -// HAL normalise volume values to 0-100% -STATIC struct json_object *UnNormaliseValue(const alsaHalCtlMapT *halCtls, struct json_object *valuesJ) { - int length; - - // assert response as the right length - length = json_object_array_length(valuesJ); - if (length != halCtls->count) { - AFB_WARNING ("UnNormaliseValue invalid ctl='%s' values count=%d len=%d", halCtls->name, halCtls->count, length); - return NULL; - } - - json_object *normalisedJ= json_object_new_array(); - for (int idx=0; idx < halCtls->count; idx++) { - int value; - - // use last value in array when number of values does not match with actual ctl count - if (idx < length) { - json_object *valueJ = json_object_array_get_idx (valuesJ, idx); - value = json_object_get_int(valueJ); - - // cleanup and normalise value - if (value > halCtls->maxval) value= halCtls->maxval; - if (value < halCtls->minval) value= halCtls->minval; - - // If Integer move from 0-100% to effective value - if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) { - value = (value * (halCtls->maxval-halCtls->minval))/100; - } - } - - // add unnormalised value into response - json_object_array_add(normalisedJ, json_object_new_int(value)); - } - - return (normalisedJ); -} - // Translate high level control to low level and call lower layer PUBLIC void halSetCtls(afb_req request) { - int err, index; + int err, done, index; struct json_object *ctlsInJ, *ctlsOutJ, *queryJ, *valuesJ, *responseJ; // get query from request ctlsInJ = afb_req_json(request); - ctlsOutJ = json_object_new_array(); switch (json_object_get_type(ctlsInJ)) { case json_type_object: { + ctlsOutJ = json_object_new_object(); + // control is in literal form {tag=xxx, label=xxx, value=xxxx} index = halGetCtlIndex (request, ctlsInJ); - if (index <=0) goto OnErrorExit; + if (index < 0) goto OnErrorExit; - err= json_object_object_get_ex (ctlsInJ, "value" , &valuesJ); - if (err) { + done= json_object_object_get_ex (ctlsInJ, "val" , &valuesJ); + if (!done) { afb_req_fail_f(request, "ctl-invalid", "No val=[val1, ...] ctl='%s'", json_object_get_string(ctlsInJ)); goto OnErrorExit; } - json_object_array_add (ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid)); - json_object_array_add (ctlsOutJ, UnNormaliseValue (&halCtls[index].ctl, valuesJ)); + 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)); break; } case json_type_array: { + 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); index= halGetCtlIndex (request, ctlInJ); - if (index<=0) goto OnErrorExit; + if (index < 0) goto OnErrorExit; - err= json_object_object_get_ex (ctlInJ, "value" , &valuesJ); - if (err) { + done= json_object_object_get_ex (ctlInJ, "val" , &valuesJ); + if (!done) { afb_req_fail_f(request, "ctl-invalid", "No val=[val1, ...] ctl='%s'", json_object_get_string(ctlsInJ)); goto OnErrorExit; } // let's create alsa low level set control request - struct json_object *ctlOutJ = json_object_new_array(); - json_object_array_add (ctlOutJ, json_object_new_int(halCtls[index].ctl.numid)); - json_object_array_add (ctlOutJ, UnNormaliseValue (&halCtls[index].ctl, valuesJ)); + struct 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_array_add (ctlsOutJ, ctlOutJ); } @@ -225,19 +199,12 @@ PUBLIC void halSetCtls(afb_req request) { json_object_object_add(queryJ, "devid", json_object_new_string (halDevid)); json_object_object_add(queryJ, "numid", ctlsOutJ); - err= afb_service_call_sync("alsacore", "setctls", queryJ, &responseJ); + err= afb_service_call_sync("alsacore", "setctl", queryJ, &responseJ); if (err) { afb_req_fail_f(request, "subcall:alsacore/setctl", "%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 = CtlSetPrepareResponse(request, responseJ); - //if (!halResponse) goto OnErrorExit; - afb_req_success (request, NULL, NULL); return; @@ -246,7 +213,7 @@ OnErrorExit: }; // Remap low level controls into HAL hight level ones -STATIC json_object *CtlGetPrepareResponse(afb_req request, struct json_object *ctlsJ) { +STATIC json_object *HalGetPrepareResponse(afb_req request, struct json_object *ctlsJ) { struct json_object *halResponseJ; // make sure return controls have a valid type @@ -264,7 +231,7 @@ STATIC json_object *CtlGetPrepareResponse(afb_req request, struct json_object *c int numid; sndCtlJ = json_object_array_get_idx(ctlsJ, idx); - if (!json_object_object_get_ex(sndCtlJ, "numid", &numidJ) || !json_object_object_get_ex(sndCtlJ, "val", &valJ)) { + 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; } @@ -279,7 +246,7 @@ STATIC json_object *CtlGetPrepareResponse(afb_req request, struct json_object *c struct 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" , GetNormaliseVolume(&halCtls[idx].ctl, valJ)); + json_object_object_add(halCtlJ, "val" , SetGetNormaliseVolumes(ACTION_GET, &halCtls[idx].ctl, valJ)); json_object_array_add(halResponseJ, halCtlJ); break; } @@ -308,7 +275,7 @@ PUBLIC void halGetCtls(afb_req request) { case json_type_object: { index = halGetCtlIndex (request, ctlsInJ); - if (index <=0) goto OnErrorExit; + if (index < 0) goto OnErrorExit; json_object_array_add (ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid)); break; } @@ -318,7 +285,7 @@ PUBLIC void halGetCtls(afb_req request) { for (int idx= 0; idx < json_object_array_length (ctlsInJ); idx++) { struct json_object *ctlInJ = json_object_array_get_idx (ctlsInJ, idx); index= halGetCtlIndex (request, ctlInJ); - if (index<=0) goto OnErrorExit; + if (index < 0) goto OnErrorExit; json_object_array_add (ctlsOutJ, json_object_new_int(halCtls[index].ctl.numid)); } break; @@ -344,7 +311,7 @@ PUBLIC void halGetCtls(afb_req request) { json_object_object_get_ex (responseJ, "response", &responseJ); // map back low level response to HAL ctl with normalised values - struct json_object *halResponse = CtlGetPrepareResponse(request, responseJ); + struct json_object *halResponse = HalGetPrepareResponse(request, responseJ); if (!halResponse) goto OnErrorExit; afb_req_success (request, halResponse, NULL); @@ -361,7 +328,7 @@ PUBLIC void halServiceEvent(const char *evtname, struct json_object *eventJ) { AFB_NOTICE("halServiceEvent evtname=%s [msg=%s]", evtname, json_object_get_string(eventJ)); - json_object_object_get_ex (eventJ, "values" , &valuesJ); + 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; @@ -387,7 +354,7 @@ STATIC int UpdateOneSndCtl (alsaHalCtlMapT *ctl, struct json_object *sndCtlJ) { json_object_object_get_ex (sndCtlJ, "name" , &tmpJ); ctl->name = (char*)json_object_get_string(tmpJ); - json_object_object_get_ex (sndCtlJ, "numid" , &tmpJ); + json_object_object_get_ex (sndCtlJ, "id" , &tmpJ); ctl->numid = json_object_get_int(tmpJ); // make sure we face a valid Alsa Low level ctl @@ -547,6 +514,7 @@ PUBLIC afb_verb_v2 halServiceApi[] = { { .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 = NULL} /* marker for end of the array */ }; -- cgit 1.2.3-korg