Transitional config packet & background sound option

Firmware/LowLevel/include/nv_config.h

@@ -38,9 +38,6 @@
 
 #define NV_CONFIG_MAX_SAVE_INTERVAL 60000UL  // Don't save more often than once a minute
 
-// config_bitmask. Don't mistake with LL_HIGH_LEVEL_CONFIG_BIT. Similar, but not mandatory equal!
-#define NV_CONFIG_BIT_DFPIS5V 1 << 0  // DFP is set to 5V
-
 #define NV_RECORD_ID 0x4F4D4331                   // Record struct identifier "OMC1" for future flexible length Record.config
 #define NV_RECORD_ALIGNMENT (_Alignof(uint32_t))  // Ptr alignment of Record.id for quick in memory access
 
@@ -51,7 +48,6 @@ namespace nv_config {
 // (a new extension-crc isn't valid with a old Record.config. Thus the new extension values may get set i.e. with default values)
 struct Config {
     // Config bitmask:
-    // Bit 0: DFP is 5V (enable full sound). See NV_CONFIG_BIT_DFPIS5V
     uint8_t config_bitmask = 0;       // Don't mistake with LL_HIGH_LEVEL_CONFIG_BIT. Similar, but not mandatory equal!
     uint8_t volume = VOLUME_DEFAULT;  // Sound volume (0-100%)
     iso639_1 language = {'e', 'n'};   // Default to 'en'

Firmware/LowLevel/include/soundsystem.h

@@ -129,6 +129,7 @@ namespace soundSystem {
     void playSoundAdHoc(const TrackDef&);  // Play sound track number immediately without waiting until the end of sound
 
     void setDFPis5V(const bool t_dfpis5v);  // Set if DFP is set to 5V Vcc
+    void setEnableBackground(const bool);   // Set if background sounds shall get played (true) or not (false)
 
     void setLanguage(const iso639_1 language_p, const bool quiet = false);  // Set language to the pointing ISO639-1 (2 char) language code and announce if changed and not quiet
 

Firmware/LowLevel/src/main.cpp

@@ -113,10 +113,6 @@ uint16_t ui_interval = 1000;               // UI send msg (LED/State) interval (
 
 nv_config::Config *nv_cfg; // Non-volatile configuration
 
-// Some vars related to PACKET_ID_LL_HIGH_LEVEL_CONFIG_*
-uint8_t config_comms_version = 0;  // comms packet version (>0 if implemented)
-uint8_t config_bitmask = 0; // See LL_HIGH_LEVEL_CONFIG_BIT_*
-
 void sendMessage(void *message, size_t size);
 void sendUIMessage(void *message, size_t size);
 void onPacketReceived(const uint8_t *buffer, size_t size);
@@ -419,7 +415,8 @@ void setup() {
     sound_available = soundSystem::begin();
     if (sound_available) {
         p.neoPixelSetValue(0, 0, 0, 255, true);
-        soundSystem::setDFPis5V(nv_cfg->config_bitmask & NV_CONFIG_BIT_DFPIS5V);
+        soundSystem::setDFPis5V(nv_cfg->config_bitmask & LL_HIGH_LEVEL_CONFIG_BIT_DFPIS5V);
+        soundSystem::setEnableBackground(nv_cfg->config_bitmask & LL_HIGH_LEVEL_CONFIG_BIT_BACKGROUND_SOUNDS);
         soundSystem::setLanguage(nv_cfg->language, true);
         soundSystem::setVolume(nv_cfg->volume);
         // Do NOT play any initial sound now, as we've to handle the special case of
@@ -565,7 +562,7 @@ void onUIPacketReceived(const uint8_t *buffer, size_t size) {
 void sendConfigMessage(uint8_t pkt_type) {
     struct ll_high_level_config ll_config;
     ll_config.type = pkt_type;
-    ll_config.config_bitmask = config_bitmask;
+    ll_config.config_bitmask = nv_cfg->config_bitmask;
     ll_config.volume = nv_cfg->volume;
     strncpy(ll_config.language, nv_cfg->language, 2);
     sendMessage(&ll_config, sizeof(struct ll_high_level_config));
@@ -605,27 +602,20 @@ void onPacketReceived(const uint8_t *buffer, size_t size) {
     } else if (buffer[0] == PACKET_ID_LL_HIGH_LEVEL_STATE && size == sizeof(struct ll_high_level_state)) {
         // copy the state
         last_high_level_state = *((struct ll_high_level_state *)buffer);
-    } else if ((buffer[0] == PACKET_ID_LL_HIGH_LEVEL_CONFIG_REQ || buffer[0] == PACKET_ID_LL_HIGH_LEVEL_CONFIG_RSP) && size == sizeof(struct ll_high_level_config)) {
-        // Read and handle received config
+    } else if (buffer[0] == PACKET_ID_LL_HIGH_LEVEL_CONFIG_REQ || buffer[0] == PACKET_ID_LL_HIGH_LEVEL_CONFIG_RSP) {
+        // Transitional flexible length preparation (see PR #110)
+        // FIXME: Check Ptr!
         struct ll_high_level_config *pkt = (struct ll_high_level_config *)buffer;
-
-        config_comms_version = min(pkt->comms_version, LL_HIGH_LEVEL_CONFIG_MAX_COMMS_VERSION);  // The lower comms_version is leading
-        config_bitmask = pkt->config_bitmask;                                                    // Take over as sent. HL is leading (for now)
-
-        // nv_config.Config specific members ...
-        // config_bitmask. Do NOT mistake with global config_bitmask (ll_high_level_config.config_bitmask). Similar, but not mandatory the same in future,
-        // to ensure that a possible instable/flipping future global config_bitmask bit doesn't wear level our flash, we only add those which are known to be stable
-        // and useful to store.
-        nv_cfg->config_bitmask = config_bitmask & (LL_HIGH_LEVEL_CONFIG_BIT_DFPIS5V | LL_HIGH_LEVEL_CONFIG_BIT_BACKGROUND_SOUNDS);
+        nv_cfg->config_bitmask = pkt->config_bitmask;
 #ifdef ENABLE_SOUND_MODULE
-        soundSystem::setDFPis5V(nv_cfg->config_bitmask & NV_CONFIG_BIT_DFPIS5V);
+        soundSystem::setDFPis5V(nv_cfg->config_bitmask & LL_HIGH_LEVEL_CONFIG_BIT_DFPIS5V);
+        soundSystem::setEnableBackground(nv_cfg->config_bitmask & LL_HIGH_LEVEL_CONFIG_BIT_BACKGROUND_SOUNDS);
 #endif
         // Volume
         if (pkt->volume >= 0) {
             nv_cfg->volume = pkt->volume;
 #ifdef ENABLE_SOUND_MODULE
             soundSystem::setVolume(nv_cfg->volume);
-            // TODO: Set sound background option
 #endif
         }
 

Firmware/LowLevel/src/soundsystem.cpp

@@ -72,6 +72,7 @@ namespace soundSystem
         etl::queue<TrackDef, SOUND_QUEUE_SIZE, etl::memory_model::MEMORY_MODEL_SMALL> active_sounds_;
         bool sound_available_ = false;    // Sound module available as well as SD-Card with some kind of files
         bool dfp_is_5v = false;           // Enable full sound if DFP is set to 5V Vcc
+        bool enable_background_ = false;  // Enable background sounds
         uint8_t volume = VOLUME_DEFAULT;  // Last set volume (%)
         std::string language_str = "en";  // Default ISO639-1 language string
         uint8_t play_folder = 1;          // Default play folder, has to be related to language_str
@@ -181,6 +182,10 @@ namespace soundSystem
         dfp_is_5v = t_dfpis5v;
     }
 
+    void setEnableBackground(const bool t_bool) {
+        enable_background_ = t_bool;
+    }
+
     void setLanguage(const iso639_1 language_p, const bool quiet) {  // Set language to the pointing ISO639-1 (2 char) language code and announce if changed && not quiet
         uint8_t last_play_folder = play_folder;
 
@@ -244,6 +249,8 @@ namespace soundSystem
         switch (t_track_def.type)
         {
         case TrackTypes::background:
+            if(!enable_background_)
+                return;
             myMP3.stop();
             delay(50); // (sometimes) required for "MH2024K-24SS"
             myMP3.playMp3FolderTrack(t_track_def.num);