From 593ed6dc72274f86046aae3dc6b264c568241917 Mon Sep 17 00:00:00 2001
From: fulup <fulup.arfoll@iot.bzh>
Date: Tue, 25 Jul 2017 11:37:10 +0200
Subject: Initial version of HAL with Set/Get operation

---
 HAL-afb/HAL-interface/hal-volmap.c | 97 +++++++++++++++++++++++++++++---------
 1 file changed, 74 insertions(+), 23 deletions(-)

(limited to 'HAL-afb/HAL-interface/hal-volmap.c')

diff --git a/HAL-afb/HAL-interface/hal-volmap.c b/HAL-afb/HAL-interface/hal-volmap.c
index de99974..2b619fd 100644
--- a/HAL-afb/HAL-interface/hal-volmap.c
+++ b/HAL-afb/HAL-interface/hal-volmap.c
@@ -24,26 +24,30 @@
 
 
 typedef enum {  
-   DB_NORMALIZE_LINEAR,
-   DB_NORMALIZE_MATH,           
+   NORMALIZE_NONE=0,  
+   NORMALIZE_DB_LINEAR,
+   NORMALIZE_DB_MATH,           
+   NORMALIZE_LINEAR,           
 } enumRandeModeDB_T;
 
+
 // Return Value express from 0-100%
 STATIC int dbNormalizeVal (enumRandeModeDB_T normaliseMode, const alsaHalDBscaleT *dbscale, int value) {
     double normalized, min_norm;
-    
+
     // To get real DB from TLV DB values should be divided by 100
     switch (normaliseMode) {
-        case DB_NORMALIZE_LINEAR:
-            normalized = ((double)(value-dbscale->min)/(double)(dbscale->max-dbscale->min))*100;
+        case NORMALIZE_DB_LINEAR:
+            normalized = ((double)(value-dbscale->min)/(double)(dbscale->max-dbscale->min));
             break;
             
-        case  DB_NORMALIZE_MATH:
+        case  NORMALIZE_DB_MATH:
             normalized = exp10((double)(value - dbscale->max) / 6000.0);
             if (dbscale->min != SND_CTL_TLV_DB_GAIN_MUTE) {
-                    min_norm = exp10((double)(dbscale->min - dbscale->max) / 6000.0);
+                    min_norm = exp10((double)(dbscale->min - dbscale->max) / 20);
                     normalized = (normalized - min_norm) / (1 - min_norm);
             }
+            
             break;
             
         default:
@@ -54,35 +58,82 @@ STATIC int dbNormalizeVal (enumRandeModeDB_T normaliseMode, const alsaHalDBscale
 }
 
 // HAL normalise volume values to 0-100%
-PUBLIC struct json_object *GetNormaliseVolume(const alsaHalCtlMapT *halCtls,  struct json_object *valuesJ) {
-    int useNormalizeDB;
+PUBLIC struct json_object *SetGetNormaliseVolumes(ActionSetGetT action, const alsaHalCtlMapT *halCtls,  struct json_object *valuesJ) {
+    enumRandeModeDB_T useNormalizeDB;
+    int length;
+
+    // If Integer look for DBscale
+    if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) {
     
-    // If not valid db_scale let's use raw_scale
-    if (!halCtls->dbscale || (halCtls->dbscale->min >= halCtls->dbscale->max)) {
+        // If not valid db_scale let's use raw_scale
+        if (!halCtls->dbscale || (halCtls->dbscale->min >= halCtls->dbscale->max)) {
        
         // dbscale is invalid let's try raw range
         if (halCtls->minval >= halCtls->maxval) goto ExitOnError;
         
         // Use Raw Scale Model
-        useNormalizeDB= 0;
+        useNormalizeDB= NORMALIZE_LINEAR;
         
-    } else { // db_scale looks OK let's use it
-        if ((halCtls->dbscale->max - halCtls->dbscale->min) <= MAX_LINEAR_DB_SCALE * 100) useNormalizeDB= DB_NORMALIZE_LINEAR;
-        else useNormalizeDB =  DB_NORMALIZE_MATH;
-            
-    }
+        } else { // db_scale looks OK let's use it
+            if ((halCtls->dbscale->max - halCtls->dbscale->min) <= MAX_LINEAR_DB_SCALE * 100) useNormalizeDB= NORMALIZE_DB_LINEAR;
+            else useNormalizeDB = NORMALIZE_LINEAR; // Fulup not sure how to handle this useNormalizeDB=NORMALIZE_DB_MATH;            
+        }
+    } else useNormalizeDB= NORMALIZE_NONE;
+    
     
     // loop on values to normalise
-    int length = json_object_array_length(valuesJ);   
+    enum json_type jtype=json_object_get_type(valuesJ);
+    if (jtype == json_type_array) length = json_object_array_length(valuesJ);   
+    else length = 1;
+    
     json_object *normalisedJ= json_object_new_array();
-    for (int idx=0; idx <length; idx++) {
-        json_object *valueJ = json_object_array_get_idx (valuesJ, idx);
-        int value = json_object_get_int(valueJ);
+    for (int idx=0; idx < length; idx++) {
+        int value;
+        
+        if (jtype == json_type_array) {
+            json_object *valueJ = json_object_array_get_idx (valuesJ, idx);
+            value = json_object_get_int(valueJ);
+        } else {
+            value = json_object_get_int(valuesJ);
+        }
                
         // If Integer scale to 0/100
         if (halCtls->type == SND_CTL_ELEM_TYPE_INTEGER) {
-            if (useNormalizeDB) value = dbNormalizeVal (useNormalizeDB, halCtls->dbscale, value);
-            else value = 100* (value - halCtls->minval) / (halCtls->maxval - halCtls->minval);
+            
+            switch (action) {
+                    
+                case ACTION_GET:
+                    switch (useNormalizeDB) {                            
+                        case NORMALIZE_LINEAR:
+                            value = 100* (value - halCtls->minval) / (halCtls->maxval - halCtls->minval);
+                            break;
+                        case NORMALIZE_DB_MATH: //ToBeDone
+                            value = dbNormalizeVal (useNormalizeDB, halCtls->dbscale, value);
+                            break;
+                        case NORMALIZE_NONE: 
+                        default:
+                            value = value;
+                    }
+                    break;
+                    
+                case ACTION_SET:    
+                    switch (useNormalizeDB) {                            
+                        case NORMALIZE_LINEAR:
+                            value = (value * (halCtls->maxval - halCtls->minval))/100;
+                            break;
+                        case NORMALIZE_DB_MATH: //ToBeDone
+                            value = dbNormalizeVal (useNormalizeDB, halCtls->dbscale, value);
+                            break;
+                        case NORMALIZE_NONE: 
+                        default:
+                            value = value;
+                    }
+                    break;
+                    
+                default: 
+                    AFB_NOTICE ("SetGetNormaliseVolumes: invalid action value=%d", (int)action);
+                    goto ExitOnError;    
+            }
         } 
         
         json_object_array_add(normalisedJ, json_object_new_int(value));  
-- 
cgit 1.2.3-korg