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authorJonathan Aillet <jonathan.aillet@iot.bzh>2018-06-09 00:22:05 +0200
committerJonathan Aillet <jonathan.aillet@iot.bzh>2018-10-08 15:52:51 +0200
commitcc1ec41093c3b0db3b8bdf8e8949ecdacceda190 (patch)
treed990e5cecdfe96291fe9a4b189d4e5434f1279f0 /4a-hal/4a-hal-controllers
parent5adbcac8a5272a287f1756a8a2980880ff3309f5 (diff)
Add value normalization of alsa control values
Add functions that allows to normalize values that are requested to be sent with an alsa set control call (using alsacore). Change-Id: I5046a66d807c9b9b6751e036a47303ceddc0c16a Signed-off-by: Jonathan Aillet <jonathan.aillet@iot.bzh>
Diffstat (limited to '4a-hal/4a-hal-controllers')
-rw-r--r--4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c27
-rw-r--r--4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c32
-rw-r--r--4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c161
-rw-r--r--4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h34
4 files changed, 236 insertions, 18 deletions
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
index 230cddd..47cfcc7 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-alsacore-link.c
@@ -31,6 +31,7 @@
#include "../4a-hal-utilities/4a-hal-utilities-appfw-responses-handler.h"
#include "4a-hal-controllers-alsacore-link.h"
+#include "4a-hal-controllers-value-handler.h"
/*******************************************************************************
* Map to alsa control types *
@@ -264,7 +265,7 @@ int HalCtlsSetAlsaCtlValue(AFB_ApiT apiHandle, char *cardId, int ctlId, json_obj
return -4;
}
- wrap_json_pack(&queryJ, "{s:s s:{s:i s:o}}", "devid", cardId, "ctl", "id", ctlId, "val", valuesJ);
+ wrap_json_pack(&queryJ, "{s:s s:{s:i s:o}}", "devid", cardId, "ctl", "id", ctlId, "val", json_object_get(valuesJ));
if(AFB_ServiceSync(apiHandle, ALSACORE_API, ALSACORE_CTLSET_VERB, queryJ, &returnedJ)) {
returnedError = HalUtlHandleAppFwCallError(apiHandle, ALSACORE_API, ALSACORE_CTLSET_VERB, returnedJ, &returnedStatus, &returnedInfo);
@@ -386,7 +387,7 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request)
struct SpecificHalData *currentCtlHalData;
struct CtlHalAlsaMap *currentAlsaCtl;
- json_object *requestJson;
+ json_object *requestJson, *valueJ, *convertedJ;
apiHandle = (AFB_ApiT) afb_request_get_dynapi(request);
if(! apiHandle) {
@@ -440,17 +441,29 @@ void HalCtlsActionOnAlsaCtl(AFB_ReqT request)
snprintf(cardIdString, 6, "hw:%i", currentCtlHalData->sndCardId);
- // TODO JAI: add weighting passing values on currentAlsaCtl->value (and put them into valueJ json)
+ if(wrap_json_unpack(requestJson, "{s:o}", "val", &valueJ)) {
+ AFB_ReqFailF(request,
+ "request_json", "Error when trying to get request value object inside request '%s'",
+ json_object_get_string(requestJson));
+ return;
+ }
- // TODO JAI : test it
- if(HalCtlsSetAlsaCtlValue(apiHandle, cardIdString, currentAlsaCtl->ctl.numid, requestJson)) {
+ if(HalCtlsNormalizeJsonValues(apiHandle, &currentAlsaCtl->ctl.alsaCtlProperties, valueJ, &convertedJ)) {
+ AFB_ReqFailF(request, "request_json", "Error when trying to convert request json '%s'", json_object_get_string(requestJson));
+ return;
+ }
+
+ if(HalCtlsSetAlsaCtlValue(apiHandle, cardIdString, currentAlsaCtl->ctl.numid, convertedJ)) {
AFB_ReqFailF(request,
"alsa_control_call_error",
- "Error while trying to set value on alsa control %i, device '%s'",
+ "Error while trying to set value on alsa control %i, device '%s', message '%s'",
currentAlsaCtl->ctl.numid,
- cardIdString);
+ cardIdString,
+ json_object_get_string(requestJson));
return;
}
+ json_object_put(convertedJ);
+
AFB_ReqSucess(request, NULL, "Action on alsa control correclty done");
} \ No newline at end of file
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
index e52639f..5b9f2a8 100644
--- a/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-cb.c
@@ -27,8 +27,9 @@
#include "../4a-hal-utilities/4a-hal-utilities-appfw-responses-handler.h"
#include "4a-hal-controllers-cb.h"
-#include "4a-hal-controllers-mixer-handler.h"
#include "4a-hal-controllers-alsacore-link.h"
+#include "4a-hal-controllers-mixer-handler.h"
+#include "4a-hal-controllers-value-handler.h"
/*******************************************************************************
* HAL controller event handler function *
@@ -81,10 +82,14 @@ void HalCtlsDispatchApiEvent(afb_dynapi *apiHandle, const char *evtLabel, json_o
source.api = currentHalAlsaCtlsT->ctls[idx].action->api;
source.request = NULL;
- // TODO JAI: add weighting passing values (new valueJ object)
-
(void) ActionExecOne(&source, currentHalAlsaCtlsT->ctls[idx].action, valuesJ);
}
+ else {
+ AFB_ApiNotice(apiHandle,
+ "%s: The alsa control id '%i' is corresponding to a known control but without any action registered",
+ __func__,
+ numid);
+ }
return;
}
@@ -219,7 +224,7 @@ int HalCtlsProcessOneHalMapObject(AFB_ApiT apiHandle, struct CtlHalAlsaMap *alsa
int HalCtlsHandleOneHalMapObject(AFB_ApiT apiHandle, char *cardId, struct CtlHalAlsaMap *alsaMap)
{
- json_object *valueJ;
+ json_object *valueJ, *convertedValueJ;
if(alsaMap->ctl.alsaCtlCreation) {
if(HalCtlsCreateAlsaCtl(apiHandle, cardId, &alsaMap->ctl)) {
@@ -237,16 +242,21 @@ int HalCtlsHandleOneHalMapObject(AFB_ApiT apiHandle, char *cardId, struct CtlHal
}
if(alsaMap->ctl.value) {
- // TODO JAI: add weighting passing values on currentAlsaCtl->value (and put them into valueJ json)
-
+ // TBD JAI : handle alsa controls type
valueJ = json_object_new_int(alsaMap->ctl.value);
- if(HalCtlsSetAlsaCtlValue(apiHandle, cardId, alsaMap->ctl.numid, valueJ)) {
+
+ if(HalCtlsNormalizeJsonValues(apiHandle, &alsaMap->ctl.alsaCtlProperties, valueJ, &convertedValueJ)) {
+ AFB_ApiError(apiHandle, "Error when trying to convert initiate value json '%s'", json_object_get_string(valueJ));
+ return -3;
+ }
+
+ if(HalCtlsSetAlsaCtlValue(apiHandle, cardId, alsaMap->ctl.numid, convertedValueJ)) {
AFB_ApiError(apiHandle,
"Error while trying to set initial value on alsa control %i, device '%s', value '%s'",
alsaMap->ctl.numid,
cardId,
json_object_get_string(valueJ));
- return -3;
+ return -4;
}
}
@@ -257,7 +267,7 @@ int HalCtlsHandleOneHalMapObject(AFB_ApiT apiHandle, char *cardId, struct CtlHal
"%s: Didn't succeed to load action using alsa object:\n-- %s",
__func__,
json_object_get_string(alsaMap->actionJ));
- return -4;
+ return -5;
}
}
@@ -266,7 +276,7 @@ int HalCtlsHandleOneHalMapObject(AFB_ApiT apiHandle, char *cardId, struct CtlHal
"%s: Didn't to create verb for current alsa control to load action using alsa object:\n-- %s",
__func__,
json_object_get_string(alsaMap->actionJ));
- return -5;
+ return -6;
}
return 0;
@@ -291,7 +301,7 @@ int HalCtlsProcessAllHalMap(AFB_ApiT apiHandle, json_object *AlsaMapJ, struct Ct
currentCtlHalAlsaMapT->ctlsCount = 0;
currentCtlHalAlsaMapT->ctls = NULL;
AFB_ApiWarning(apiHandle, "%s: couldn't get content of 'halmap' section in:\n-- %s", __func__, json_object_get_string(AlsaMapJ));
- return -3;
+ return -1;
}
ctlMaps = calloc(currentCtlHalAlsaMapT->ctlsCount, sizeof(struct CtlHalAlsaMap));
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c
new file mode 100644
index 0000000..f749521
--- /dev/null
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.c
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author Jonathan Aillet <jonathan.aillet@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <string.h>
+#include <stdbool.h>
+
+#include <limits.h>
+#include <math.h>
+
+#include <wrap-json.h>
+
+#include "4a-hal-controllers-value-handler.h"
+#include "4a-hal-controllers-alsacore-link.h"
+
+/*******************************************************************************
+ * Simple conversion value to/from percentage functions *
+ ******************************************************************************/
+
+int HalCtlsConvertValueToPercentage(double val, double min, double max)
+{
+ double range;
+
+ range = max - min;
+ if(range <= 0)
+ return -INT_MAX;
+
+ val -= min;
+
+ return (int) round(val / range * 100);
+}
+
+int HalCtlsConvertPercentageToValue(int percentage, int min, int max)
+{
+ int range;
+
+ range = max - min;
+ if(range <= 0)
+ return -INT_MAX;
+
+ return (int) round((double) percentage * (double) range * 0.01 + (double) min);
+}
+
+/*******************************************************************************
+ * Convert json object from percentage to value *
+ ******************************************************************************/
+
+int HalCtlsNormalizeJsonValues(AFB_ApiT apiHandle, struct CtlHalAlsaCtlProperties *alsaCtlProperties, json_object *toConvertJ, json_object ** ConvertedJ)
+{
+ int err = 0, idx, count, initialValue, convertedValue;
+
+ json_object *toConvertObjectJ, *convertedValueJ, *convertedArrayJ;
+
+ switch(json_object_get_type(toConvertJ)) {
+ case json_type_array:
+ count = json_object_array_length(toConvertJ);
+ break;
+
+ case json_type_null:
+ case json_type_object:
+ count = 0;
+ AFB_ApiWarning(apiHandle, "%s: can't normalize json values :\n-- %s", __func__, json_object_get_string(toConvertJ));
+ *ConvertedJ = json_object_get(toConvertJ);
+ return -1;
+
+ default:
+ count = 1;
+ break;
+ }
+
+ convertedArrayJ = json_object_new_array();
+
+ for(idx = 0; idx < count; idx++) {
+ if(count > 1)
+ toConvertObjectJ = json_object_array_get_idx(toConvertJ, idx);
+ else
+ toConvertObjectJ = toConvertJ;
+
+ switch(alsaCtlProperties->type) {
+ case SND_CTL_ELEM_TYPE_INTEGER:
+ case SND_CTL_ELEM_TYPE_INTEGER64:
+ if(! json_object_is_type(toConvertObjectJ, json_type_int)) {
+ err += -10*idx;
+ AFB_ApiWarning(apiHandle,
+ "%s: Try normalize an integer control but value sent in json is not an integer : '%s'",
+ __func__,
+ json_object_get_string(toConvertObjectJ));
+ convertedValueJ = toConvertObjectJ;
+ break;
+ }
+
+ initialValue = json_object_get_int(toConvertObjectJ);
+ convertedValue = HalCtlsConvertPercentageToValue(initialValue, alsaCtlProperties->minval, alsaCtlProperties->maxval);
+ if(convertedValue == -INT_MAX) {
+ AFB_ApiWarning(apiHandle,
+ "%s: Can't normalize %i (using min %i et max %i), value set to 0",
+ __func__,
+ initialValue,
+ alsaCtlProperties->minval,
+ alsaCtlProperties->maxval);
+ convertedValue = 0;
+ }
+
+ if(alsaCtlProperties->step) {
+ // Round value to the nearest step
+ convertedValue = (int) round((double) convertedValue / (double) alsaCtlProperties->step);
+ convertedValue *= alsaCtlProperties->step;
+ }
+
+ convertedValueJ = json_object_new_int(convertedValue);
+ break;
+
+ case SND_CTL_ELEM_TYPE_BOOLEAN:
+ if(! (json_object_is_type(toConvertObjectJ, json_type_int) ||
+ json_object_is_type(toConvertObjectJ, json_type_boolean))) {
+ err += -1000*idx;
+ AFB_ApiWarning(apiHandle,
+ "%s: Try normalize a boolean control but value sent in json is not a boolean/integer : '%s'",
+ __func__,
+ json_object_get_string(toConvertObjectJ));
+ convertedValueJ = toConvertObjectJ;
+ break;
+ }
+
+ initialValue = json_object_get_int(toConvertObjectJ);
+ convertedValueJ = json_object_new_int(initialValue ? 1 : 0);
+ break;
+
+ default:
+ AFB_ApiWarning(apiHandle,
+ "%s: Normalization not handle for the alsa control type %i, sending back the object as it was '%s'",
+ __func__,
+ (int) alsaCtlProperties->type,
+ json_object_get_string(toConvertJ));
+ convertedValueJ = toConvertObjectJ;
+ break;
+ }
+
+ json_object_array_put_idx(convertedArrayJ, idx, convertedValueJ);
+ }
+
+ *ConvertedJ = convertedArrayJ;
+
+ return 0;
+} \ No newline at end of file
diff --git a/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h
new file mode 100644
index 0000000..5f91aaa
--- /dev/null
+++ b/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 "IoT.bzh"
+ * Author Jonathan Aillet <jonathan.aillet@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _HAL_CTLS_VALUE_NORMALIZATION_INCLUDE_
+#define _HAL_CTLS_VALUE_NORMALIZATION_INCLUDE_
+
+#include <stdio.h>
+
+#include <wrap-json.h>
+
+#include "4a-hal-controllers-alsacore-link.h"
+
+// Simple conversion value to/from percentage functions
+int HalCtlsConvertValueToPercentage(double val, double min, double max);
+int HalCtlsConvertPercentageToValue(int percentage, int min, int max);
+
+// Convert json object from percentage to value
+int HalCtlsNormalizeJsonValues(AFB_ApiT apiHandle, struct CtlHalAlsaCtlProperties *alsaCtlProperties, json_object *toConvertJ, json_object ** ConvertedJ);
+
+#endif /* _HAL_CTLS_VALUE_NORMALIZATION_INCLUDE_ */ \ No newline at end of file