fix channel prefs saving

TODO.md

@@ -1,6 +1,7 @@
 # High priority
 
-* after reboot, channel number is getting reset to zero! fix!
+* send user and location events much less often
+* send location (or if not available user) when the user wakes the device from display sleep (both for testing and to improve user experience)
 * have node info screen show real info (including time since last contact, distance and heading)
 * make debug info screen show real data (including battery level & charging)
 * make real implementation of getNumOnlineNodes
@@ -125,3 +126,4 @@ until the phone pulls those packets.  Ever so often power on bluetooth just so w
 * finish power measurements (GPS on during sleep vs LCD on during sleep vs LORA on during sleep) and est battery life
 * make screen sleep behavior work
 * make screen advance only when a new node update arrives, a new text arrives or the user presses a button, turn off screen after a while
+* after reboot, channel number is getting reset to zero! fix!

src/GPS.cpp

@@ -45,7 +45,7 @@ void GPS::loop()
 }
 
 uint64_t GPS::getTime() {
-    return (millis() - timeStartMsec) * 1000LL + zeroOffset;
+    return ((uint64_t) millis() - timeStartMsec) + zeroOffset;
 }
 
 void GPS::doTask()

src/MeshRadio.cpp

@@ -41,10 +41,14 @@ MeshRadio::MeshRadio(MemoryPool<MeshPacket> &_pool, PointerQueue<MeshPacket> &_r
   channelSettings.channel_num = DEFAULT_CHANNEL_NUM;
   memcpy(&channelSettings.psk, &defaultpsk, sizeof(channelSettings.psk));
   strcpy(channelSettings.name, "Default");
+  // Can't print strings this early - serial not setup yet
+  // DEBUG_MSG("Set meshradio defaults name=%s\n", channelSettings.name);
 }
 
 bool MeshRadio::init()
 {
+  DEBUG_MSG("Starting meshradio init...\n");
+
 #ifdef RESET_GPIO
   pinMode(RESET_GPIO, OUTPUT); // Deassert reset
   digitalWrite(RESET_GPIO, HIGH);
@@ -101,7 +105,7 @@ void MeshRadio::reloadConfig()
   // FIXME - can we do this?  It seems to be in the Heltec board.
   rf95.setTxPower(channelSettings.tx_power, false);
 
-  DEBUG_MSG("Set radio: config=%u, ch=%d, txpower=%d\n", channelSettings.modem_config, channelSettings.channel_num, channelSettings.tx_power);
+  DEBUG_MSG("Set radio: name=%s. config=%u, ch=%d, txpower=%d\n", channelSettings.name, channelSettings.modem_config, channelSettings.channel_num, channelSettings.tx_power);
 }
 
 

src/NodeDB.cpp

@@ -43,6 +43,9 @@ void NodeDB::init()
     devicestate.has_my_node = true;
     devicestate.has_radio = true;
     devicestate.has_owner = true;
+    devicestate.has_radio = true;
+    devicestate.radio.has_channel_settings = true;
+    devicestate.radio.has_preferences = true;
     devicestate.node_db_count = 0;
     devicestate.receive_queue_count = 0;
 
@@ -116,6 +119,8 @@ void NodeDB::loadFromDisk()
         DEBUG_MSG("Loading saved preferences\n");
         pb_istream_t stream = {&readcb, &f, DeviceState_size};
 
+        //DEBUG_MSG("Preload channel name=%s\n", channelSettings.name);
+
         memset(&scratch, 0, sizeof(scratch));
         if (!pb_decode(&stream, DeviceState_fields, &scratch))
         {
@@ -127,9 +132,13 @@ void NodeDB::loadFromDisk()
             if (scratch.version < DeviceState_Version_Minimum)
                 DEBUG_MSG("Warn: devicestate is old, discarding\n");
             else
+            {
                 devicestate = scratch;
             }
 
+            //DEBUG_MSG("Postload channel name=%s\n", channelSettings.name);
+        }
+
         f.close();
     }
     else
@@ -144,7 +153,10 @@ void NodeDB::saveToDisk()
     if (f)
     {
         DEBUG_MSG("Writing preferences\n");
-        pb_ostream_t stream = {&writecb, &f, DeviceState_size, 0};
+
+        pb_ostream_t stream = {&writecb, &f, SIZE_MAX, 0};
+
+        //DEBUG_MSG("Presave channel name=%s\n", channelSettings.name);
 
         devicestate.version = DeviceState_Version_Current;
         if (!pb_encode(&stream, DeviceState_fields, &devicestate))
@@ -156,8 +168,10 @@ void NodeDB::saveToDisk()
         f.close();
 
         // brief window of risk here ;-)
-        FS.remove(preffile);
-        FS.rename(preftmp, preffile);
+        if (!FS.remove(preffile))
+            DEBUG_MSG("Warning: Can't remove old pref file\n");
+        if (!FS.rename(preftmp, preffile))
+            DEBUG_MSG("Error: can't rename new pref file\n");
     }
     else
     {

src/mesh-pb-constants.cpp

@@ -66,5 +66,6 @@ bool readcb(pb_istream_t *stream, uint8_t *buf, size_t count)
 bool writecb(pb_ostream_t *stream, const uint8_t *buf, size_t count)
 {
    File *file = (File*) stream->state;
+   //DEBUG_MSG("writing %d bytes to protobuf file\n", count);
    return file->write(buf, count) == count;
 }

src/mesh.pb.h

@@ -34,8 +34,8 @@ typedef enum _ChannelSettings_ModemConfig {
 
 typedef enum _DeviceState_Version {
     DeviceState_Version_Unset = 0,
-    DeviceState_Version_Minimum = 7,
-    DeviceState_Version_Current = 7
+    DeviceState_Version_Minimum = 10,
+    DeviceState_Version_Current = 10
 } DeviceState_Version;
 
 /* Struct definitions */