Support to build a core version of the firmware (<290Kb) keeping track of the board type for future reference

code/espurna/config/arduino.h

@@ -71,7 +71,7 @@
 //#define DOMOTICZ_SUPPORT       0
 //#define HOMEASSISTANT_SUPPORT  0
 //#define I2C_SUPPORT            1
-//#define INFLUXDB_SUPPORT       0
+//#define INFLUXDB_SUPPORT       1
 //#define IR_SUPPORT             1
 //#define LLMNR_SUPPORT          1  // Only with Arduino Core 2.4.0
 //#define MDNS_SUPPORT           0

code/espurna/config/general.h

@@ -15,6 +15,21 @@
 #define ARRAYINIT(type, name, ...) \
     type name[] = {__VA_ARGS__};
 
+//------------------------------------------------------------------------------
+// ESPURNA CORE
+//------------------------------------------------------------------------------
+
+#ifdef ESPURNA_CORE
+    #define ALEXA_SUPPORT          0
+    #define DOMOTICZ_SUPPORT       0
+    #define HOMEASSISTANT_SUPPORT  0
+    #define MQTT_SUPPORT           0
+    #define NTP_SUPPORT            0
+    #define WEB_SUPPORT            0
+    #define SENSOR_SUPPORT         0
+    #define I2C_SUPPORT            0
+#endif
+
 //------------------------------------------------------------------------------
 // TELNET
 //------------------------------------------------------------------------------

code/espurna/config/sensors.h

@@ -438,15 +438,17 @@
 // Sensor helpers configuration
 // =============================================================================
 
+#ifndef SENSOR_SUPPORT
 #if ANALOG_SUPPORT || BH1750_SUPPORT || BMX280_SUPPORT || DALLAS_SUPPORT \
     || DHT_SUPPORT || DIGITAL_SUPPORT || ECH1560_SUPPORT \
     || EMON_ADC121_SUPPORT || EMON_ADS1X15_SUPPORT \
     || EMON_ANALOG_SUPPORT || EVENTS_SUPPORT || HLW8012_SUPPORT \
     || MHZ19_SUPPORT || PMSX003_SUPPORT || SHT3X_I2C_SUPPORT \
     || SI7021_SUPPORT || V9261F_SUPPORT
-
 #define SENSOR_SUPPORT                      1
-
+#else
+#define SENSOR_SUPPORT                      0
+#endif
 #endif
 
 // -----------------------------------------------------------------------------

code/espurna/espurna.ino

@@ -128,8 +128,7 @@ void welcome() {
 
     // -------------------------------------------------------------------------
 
-    DEBUG_MSG_P(PSTR("[INIT] MANUFACTURER: %s\n"), MANUFACTURER);
-    DEBUG_MSG_P(PSTR("[INIT] DEVICE: %s\n"), DEVICE);
+    DEBUG_MSG_P(PSTR("[INIT] BOARD: %s\n"), getBoardName().c_str());
     DEBUG_MSG_P(PSTR("[INIT] SUPPORT:"));
 
     #if ALEXA_SUPPORT
@@ -286,6 +285,7 @@ void setup() {
     if (getSetting("hostname").length() == 0) {
         setSetting("hostname", getIdentifier());
     }
+    setBoardName();
 
     // Cache loop delay value to speed things (recommended max 250ms)
     _loopDelay = atol(getSetting("loopDelay", LOOP_DELAY_TIME).c_str());

code/espurna/mdns.ino

@@ -45,7 +45,7 @@ void mdnsSetup() {
     // Public ESPurna related txt for OTA discovery
     MDNS.addServiceTxt("arduino", "tcp", "app_name", APP_NAME);
     MDNS.addServiceTxt("arduino", "tcp", "app_version", APP_VERSION);
-    MDNS.addServiceTxt("arduino", "tcp", "target_board", DEVICE_NAME);
+    MDNS.addServiceTxt("arduino", "tcp", "target_board", getBoardName());
     {
         char buffer[6];
         itoa(ESP.getFlashChipRealSize() / 1024, buffer, 10);
@@ -56,6 +56,11 @@ void mdnsSetup() {
         itoa(ESP.getFlashChipSize() / 1024, buffer, 10);
         MDNS.addServiceTxt("arduino", "tcp", "sdk_size", (const char *) buffer);
     }
+    {
+        char buffer[6];
+        itoa(ESP.getFreeSketchSpace(), buffer, 10);
+        MDNS.addServiceTxt("arduino", "tcp", "free_space", (const char *) buffer);
+    }
 
     _mdns_wifi_onSTA = WiFi.onStationModeGotIP([](WiFiEventStationModeGotIP ipInfo) {
         _mdnsStart();

code/espurna/utils.ino

@@ -15,6 +15,16 @@ String getIdentifier() {
     return String(buffer);
 }
 
+void setBoardName() {
+    #ifndef ESPURNA_CORE
+        setSetting("boardName", DEVICE_NAME);
+    #endif
+}
+
+String getBoardName() {
+    return getSetting("boardName", DEVICE_NAME);
+}
+
 String getCoreVersion() {
     String version = ESP.getCoreVersion();
     #ifdef ARDUINO_ESP8266_RELEASE

code/extra_scripts.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+import time
 Import("env")
 
 # ------------------------------------------------------------------------------
@@ -31,11 +32,12 @@ def clr(color, text):
 # ------------------------------------------------------------------------------
 
 def check_size(source, target, env):
+    time.sleep(1)
     size = target[0].get_size()
     print clr(Color.LIGHT_BLUE, "Binary size: %s bytes" % size)
-    if size > 512000:
-        print clr(Color.LIGHT_RED, "File too large for OTA!")
-        Exit(1)
+    #if size > 512000:
+    #    print clr(Color.LIGHT_RED, "File too large for OTA!")
+    #    Exit(1)
 
 # ------------------------------------------------------------------------------
 # Hooks

code/ota.py

@@ -38,15 +38,19 @@ def on_service_state_change(zeroconf, service_type, name, state_change):
             device['app'] = info.properties.get('app_name', '')
             device['version'] = info.properties.get('app_version', '')
             device['device'] = info.properties.get('target_board', '')
-            device['mem_size'] = info.properties.get('mem_size', '')
-            device['sdk_size'] = info.properties.get('sdk_size', '')
+            if 'mem_size' in info.properties:
+                device['mem_size'] = info.properties.get('mem_size')
+            if 'sdk_size' in info.properties:
+                device['sdk_size'] = info.properties.get('sdk_size')
+            if 'free_space' in info.properties:
+                device['free_space'] = info.properties.get('free_space')
             devices.append(device)
 
 def list():
     '''
     Shows the list of discovered devices
     '''
-    output_format="{:>3}  {:<25}{:<25}{:<15}{:<15}{:<30}{:<10}{:<10}"
+    output_format="{:>3}  {:<25}{:<25}{:<15}{:<15}{:<30}{:<10}{:<10}{:<10}"
     print(output_format.format(
         "#",
         "HOSTNAME",
@@ -56,8 +60,9 @@ def list():
         "DEVICE",
         "MEM_SIZE",
         "SDK_SIZE",
+        "FREE_SPACE"
     ))
-    print "-" * 135
+    print "-" * 146
 
     index = 0
     for device in devices:
@@ -71,6 +76,7 @@ def list():
             device.get('device', ''),
             device.get('mem_size', ''),
             device.get('sdk_size', ''),
+            device.get('free_space', ''),
         ))
 
     print
@@ -161,6 +167,7 @@ if __name__ == '__main__':
     # Parse command line options
     parser = argparse.ArgumentParser(description=description)
     #parser.add_argument("-v", "--verbose", help="show verbose output", default=0, action='count')
+    parser.add_argument("-c", "--core", help="flash ESPurna core", default=0, action='count')
     parser.add_argument("-f", "--flash", help="flash device", default=0, action='count')
     parser.add_argument("-s", "--sort", help="sort devices list by field", default='hostname')
     args = parser.parse_args()
@@ -194,6 +201,10 @@ if __name__ == '__main__':
         device = flash()
         if device:
 
+            # Flash core version?
+            if args.core > 0:
+                device['flags'] = "-DESPURNA_CORE " + device['flags']
+
             env = "esp8266-%sm-ota" % device['size']
 
             # Summary