Add Bootloader

NRF_firmware/boards/hgd6.json

@@ -5,29 +5,17 @@
     },
     "core": "nRF5",
     "cpu": "cortex-m4",
-    "extra_flags": "-DARDUINO_NRF52840_FEATHER -DNRF52840_XXAA",
+    "extra_flags": "-DARDUINO_NRF52840_PCA10056 -DNRF52840_XXAA",
     "f_cpu": "64000000L",
     "hwids": [
       [
         "0x239A",
         "0x8029"
-      ],
-      [
-        "0x239A",
-        "0x0029"
-      ],
-      [
-        "0x239A",
-        "0x002A"
-      ],
-      [
-        "0x239A",
-        "0x802A"
       ]
     ],
-    "usb_product": "Feather nRF52840 Express",
+    "usb_product": "NRF52 DK",
     "mcu": "nrf52840",
-    "variant": "feather_nrf52840_express",
+    "variant": "pca10056",
     "bsp": {
       "name": "adafruit"
     },
@@ -46,30 +34,29 @@
   ],
   "debug": {
     "jlink_device": "nRF52840_xxAA",
+    "onboard_tools": [
+      "jlink"
+    ],
     "svd_path": "nrf52840.svd"
   },
   "frameworks": [
-    "arduino",
-    "zephyr"
+    "arduino"
   ],
-  "name": "Adafruit Feather nRF52840 Express",
+  "name": "Nordic nRF52840-DK (Adafruit BSP)",
   "upload": {
     "maximum_ram_size": 248832,
     "maximum_size": 815104,
+    "require_upload_port": true,
     "speed": 115200,
-    "protocol": "nrfutil",
+    "protocol": "jlink",
     "protocols": [
       "jlink",
       "nrfjprog",
-      "nrfutil",
       "stlink",
       "cmsis-dap",
       "blackmagic"
-    ],
-    "use_1200bps_touch": true,
-    "require_upload_port": true,
-    "wait_for_upload_port": true
+    ]
   },
-  "url": "https://www.adafruit.com/product/4062",
-  "vendor": "Adafruit"
+  "url": "https://os.mbed.com/platforms/Nordic-nRF52840-DK/",
+  "vendor": "Nordic"
 }

NRF_firmware/custom_upload.py

@@ -0,0 +1,19 @@
+import os
+
+Import("env")
+
+custom_hex_path = env.subst(os.path.join("$BUILD_DIR", "production.hex"))
+
+env.Replace(
+    UPLOADER="JLinkExe",
+    UPLOADCMD=f"JLinkExe -device nrf52840_xxaa -if swd -speed 4000 -autoconnect 1 -CommanderScript upload.jlink"
+)
+
+# Auto-generate the JLink command file from script if needed:
+with open("upload.jlink", "w") as f:
+    f.write(f"""r
+loadfile {custom_hex_path}
+r
+g
+exit
+""")

NRF_firmware/generate_production_image.py

@@ -0,0 +1,35 @@
+import os
+
+Import("env")
+
+
+def generate_production_binary(source, target, env):
+    signature_bin = "data/signature.bin"
+    firmware_hex = "$BUILD_DIR/${PROGNAME}.hex"
+    bootloader_hex = "data/bootloader.hex"
+    production_image = os.path.join("$BUILD_DIR", "production.hex")
+    dfu_package = os.path.join("$BUILD_DIR", "dfu.zip")
+    merge_tool = os.path.join(
+        env.PioPlatform().get_package_dir("tool-sreccat") or "", "srec_cat"
+    )
+
+    if not os.path.isfile(env.subst(production_image)):
+        assert os.path.isfile(bootloader_hex), "Missing bootloader image!"
+        assert os.path.isfile(signature_bin), "Missing signature file!"
+        env.Execute(
+            env.VerboseAction(
+                f'"{merge_tool}" "{bootloader_hex}" -intel "{signature_bin}" -Binary -offset 0xFF000 "{firmware_hex}" -intel -offset 0x00 -o "{production_image}" -intel',
+                f"Generating production image {production_image}",
+            )
+        )
+    
+    # Generate DFU package
+    if not os.path.isfile(env.subst(dfu_package)):
+        env.Execute(
+            env.VerboseAction(
+                f'adafruit-nrfutil dfu genpkg --dev-type 0x0052 --application "{firmware_hex}" "{dfu_package}"',
+                f"Generating DFU package {dfu_package}",
+            )
+        )
+
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.hex", generate_production_binary)

NRF_firmware/platformio.ini

@@ -19,3 +19,6 @@ lib_compat_mode = soft
 upload_protocol = jlink
 debug_tool = jlink
 monitor_port = socket://localhost:19021
+extra_scripts = 
+    generate_production_image.py
+	custom_upload.py

NRF_firmware/src/main.cpp

@@ -4,15 +4,16 @@
 ModemConfig deviceConfig;
 
 //set if config should be saved to modem
-bool saveConfig = false;
+bool saveConfig = true;
 
 void setup() {
   rtt.trimDownBufferFull();
-  rtt.println("|---------Starting setup---------|");
+  rtt.println("|x-------XStarting setupX-------x|");
   gpioinit(); 
   sensorData.wakeup_reason = NRF_POWER->RESETREAS;
   delay(200);
   initializeModem();
+  sensorpwr(true);
   blinkLED(1, 200, 200, true);
   //checkModemStorageSpace();
   LoadDeviceConfig();
@@ -24,7 +25,6 @@ void setup() {
 void loop() {
   lastWaitCheck = millis();
   rtt.println("|---------Starting loop---------|");
-  sensorpwr(true);
   rtt.println("Collecting sensor data");
   collectAllSensorData();
   rtt.print("WD counter ");
@@ -38,9 +38,10 @@ void loop() {
   ScanForWiFiNetworks();
   rtt.println("Managing modem lifecycle");
   manageModemLifecycle();
-  sensorpwr(false);
   rtt.println("Waiting for next transmission");
   rtt.println("Loop cycle completed.");
+  globalMotionDetected = false;
+  readAccelerometers(lastAcc1X, lastAcc1Y, lastAcc1Z, lastAcc2X, lastAcc2Y, lastAcc2Z);
   while (!waitForNextTransmission(deviceConfig.transmission_interval)) {
     performBackgroundTasks();
   }
@@ -570,6 +571,8 @@ bool readAccelerometers(float& acc1_x, float& acc1_y, float& acc1_z, float& acc2
   if (!acc1.begin() || !acc2.begin()) {
     return false;
   }
+  acc1.setRange(LIS3DH_RANGE_2_G);
+  acc2.setRange(LIS3DH_RANGE_2_G);
   acc1.read();
   acc2.read();
   acc1_x = acc1.x;
@@ -919,8 +922,6 @@ bool sendSensorDataToServer(const SensorData& data) {
 
 void manageModemLifecycle() {
   unsigned long currentTime = millis();
-  if (lastTransmissionTime == 0 || (currentTime - lastTransmissionTime >= deviceConfig.transmission_interval)) {
-    rtt.flush();
     rtt.println("Transmitting sensor data...");
     if (!initializeModemIfNeeded()) {
       rtt.println("Failed to initialize modem");
@@ -969,10 +970,15 @@ void manageModemLifecycle() {
     
     // Shutdown modem between loops if configured
     if (deviceConfig.modem_shutdown_between_loops) {
-      rtt.println("Shutting down modem between loops...");
-      shutdownModem();
+      // Check if we should keep modem on due to motion
+      if (shouldKeepModemPowered()) {
+        rtt.println("Keeping modem powered on due to motion or configuration");
+        logPowerManagementStatus();
+      } else {
+        rtt.println("Shutting down modem between loops...");
+        shutdownModem();
+      }
     }
-  }
 }
 
 bool readModemInfo() {
@@ -1424,6 +1430,7 @@ bool saveConfigToModem(const ModemConfig& config) {
   DynamicJsonDocument doc(16000);
   doc["device_name"] = config.device_name;
   doc["transmission_interval"] = config.transmission_interval;
+  doc["transmission_interval_motion"] = config.transmission_interval_motion;
   doc["enable_gps"] = config.enable_gps;
   doc["gps_timeout"] = config.gps_timeout;
   doc["server_url"] = config.server_url;
@@ -1440,6 +1447,9 @@ bool saveConfigToModem(const ModemConfig& config) {
   doc["ble_scan_max_beacons"] = config.ble_scan_max_beacons;
   doc["ble_scan_duration"] = config.ble_scan_duration;
   doc["modem_shutdown_between_loops"] = config.modem_shutdown_between_loops;
+  doc["motion_detection_enabled"] = config.motion_detection_enabled;
+  doc["motion_threshold"] = config.motion_threshold;
+  doc["modem_shutdown_on_motion"] = config.modem_shutdown_on_motion;
   String configJson = "";
   serializeJson(doc, configJson);
   delay(10);
@@ -1493,6 +1503,9 @@ bool loadConfigFromModem(ModemConfig& config) {
   if (doc.containsKey("transmission_interval")) {
     config.transmission_interval = doc["transmission_interval"].as<unsigned long>();
   }
+  if (doc.containsKey("transmission_interval_motion")) {
+    config.transmission_interval_motion = doc["transmission_interval_motion"].as<unsigned long>();
+  }
   if (doc.containsKey("enable_gps")) {
     config.enable_gps = doc["enable_gps"].as<bool>();
   }
@@ -1541,6 +1554,15 @@ bool loadConfigFromModem(ModemConfig& config) {
   if (doc.containsKey("modem_shutdown_between_loops")) {
     config.modem_shutdown_between_loops = doc["modem_shutdown_between_loops"].as<bool>();
   }
+  if (doc.containsKey("motion_detection_enabled")) {
+    config.motion_detection_enabled = doc["motion_detection_enabled"].as<bool>();
+  }
+  if (doc.containsKey("motion_threshold")) {
+    config.motion_threshold = doc["motion_threshold"].as<float>();
+  }
+  if (doc.containsKey("modem_shutdown_on_motion")) {
+    config.modem_shutdown_on_motion = doc["modem_shutdown_on_motion"].as<bool>();
+  }
   //rtt.println("Configuration loaded successfully");
   return true;
 }
@@ -1548,6 +1570,7 @@ bool loadConfigFromModem(ModemConfig& config) {
 void printConfig(const ModemConfig& config) {
   rtt.print("Device Name: "); rtt.println(config.device_name);
   rtt.print("Transmission Interval: "); rtt.print(config.transmission_interval); rtt.println(" ms");
+  rtt.print("Transmission Interval (Motion): "); rtt.print(config.transmission_interval_motion); rtt.println(" ms");
   rtt.print("GPS Enabled: "); rtt.println(config.enable_gps ? "Yes" : "No");
   rtt.print("GPS Timeout: "); rtt.print(config.gps_timeout); rtt.println(" ms");
   rtt.print("WiFi Scan Enabled: "); rtt.println(config.wifi_scan_enabled ? "Yes" : "No");
@@ -1556,6 +1579,9 @@ void printConfig(const ModemConfig& config) {
   rtt.print("BLE Max Beacons: "); rtt.println(config.ble_scan_max_beacons);
   rtt.print("BLE Scan Duration: "); rtt.print(config.ble_scan_duration); rtt.println(" ms");
   rtt.print("Modem Shutdown Between Loops: "); rtt.println(config.modem_shutdown_between_loops ? "Yes" : "No");
+  rtt.print("Motion Detection Enabled: "); rtt.println(config.motion_detection_enabled ? "Yes" : "No");
+  rtt.print("Motion Threshold: "); rtt.print(config.motion_threshold, 3); rtt.println(" g");
+  rtt.print("Modem Shutdown On Motion: "); rtt.println(config.modem_shutdown_on_motion ? "Yes" : "No");
   rtt.print("Server URL: "); rtt.println(config.server_url);
   rtt.print("Server Endpoint: "); rtt.println(config.server_endpoint);
   rtt.print("Server Port: "); rtt.println(config.server_port);
@@ -2182,8 +2208,13 @@ void optimizeScanData(DynamicJsonDocument& doc, size_t maxSize) {
 bool waitForNextTransmission(unsigned long interval) {
   unsigned long currentTime = millis();
   
+  // Choose interval based on motion detection
+  unsigned long effectiveInterval = interval;
+  if (deviceConfig.motion_detection_enabled && globalMotionDetected) {
+    effectiveInterval = deviceConfig.transmission_interval_motion;
+  }
   // Check if it's time for the next transmission
-  if (currentTime - lastWaitCheck >= interval) {
+  if (currentTime - lastWaitCheck >= effectiveInterval) {
     lastWaitCheck = currentTime;
     return true; // Time to transmit
   }
@@ -2199,20 +2230,39 @@ void performBackgroundTasks() {
     lastBatteryCheck = millis();
   }
   
-  // Check for any pending modem operations
-  if (modemInitialized && !modem.isGprsConnected()) {
-    // Try to reconnect if disconnected
-    static unsigned long lastReconnectAttempt = 0;
-    if (millis() - lastReconnectAttempt > 60000) { // Try every minute
-      rtt.println("Attempting to reconnect to network...");
-      connectToNetwork();
-      lastReconnectAttempt = millis();
+  if (deviceConfig.motion_detection_enabled && millis() - lastMotionCheck > 100) {
+    // Read current accelerometer values
+    
+    if (readAccelerometers(currentAcc1X, currentAcc1Y, currentAcc1Z, currentAcc2X, currentAcc2Y, currentAcc2Z)) {
+      // Calculate acceleration differences
+      float acc1Diff = sqrt(pow(currentAcc1X - lastAcc1X, 2) + 
+                           pow(currentAcc1Y - lastAcc1Y, 2) + 
+                           pow(currentAcc1Z - lastAcc1Z, 2));
+      float acc2Diff = sqrt(pow(currentAcc2X - lastAcc2X, 2) + 
+                           pow(currentAcc2Y - lastAcc2Y, 2) + 
+                           pow(currentAcc2Z - lastAcc2Z, 2));
+      
+      // Check if motion is detected using configured threshold
+      if (acc1Diff > deviceConfig.motion_threshold || acc2Diff > deviceConfig.motion_threshold) {
+        if (!globalMotionDetected) {
+          globalMotionDetected = true;
+          globalLastMotionTime = millis();
+          rtt.println("Motion detected!");
+          rtt.print("Acc1 diff: "); rtt.print(acc1Diff, 3);
+          rtt.print(" Acc2 diff: "); rtt.println(acc2Diff, 3);
+        }
+      }
+      lastAcc1X = currentAcc1X;
+      lastAcc1Y = currentAcc1Y;
+      lastAcc1Z = currentAcc1Z;
+      lastAcc2X = currentAcc2X;
+      lastAcc2Y = currentAcc2Y;
+      lastAcc2Z = currentAcc2Z;
     }
+    
+    lastMotionCheck = millis();
   }
-  rtt.println("Performing background tasks");
-  
-  // Small delay to prevent busy waiting
-  delay(1000); // 1 second delay between background task checks
+  delay(10);
 }
 
 // Function to parse JSON response from server
@@ -2353,4 +2403,28 @@ bool initializeModemIfNeeded() {
     return initializeModem();
   }
   return true;
+}
+// Function to check if modem should be kept powered on based on motion
+bool shouldKeepModemPowered() {
+  if (!deviceConfig.modem_shutdown_between_loops) {
+    return true; // Always keep modem on if shutdown is disabled
+  }
+  
+  if (deviceConfig.modem_shutdown_on_motion && globalMotionDetected) {
+    return true; // Keep modem on if motion detected and configured to do so
+  }
+  
+  return false; // Shutdown modem normally
+}
+
+// Function to get current power management status
+void logPowerManagementStatus() {
+  rtt.print("Power Management - Modem Shutdown: ");
+  rtt.print(deviceConfig.modem_shutdown_between_loops ? "Enabled" : "Disabled");
+  rtt.print(", Motion Shutdown: ");
+  rtt.print(deviceConfig.modem_shutdown_on_motion ? "Enabled" : "Disabled");
+  rtt.print(", Motion Detected: ");
+  rtt.print(globalMotionDetected ? "Yes" : "No");
+  rtt.print(", Keep Modem On: ");
+  rtt.println(shouldKeepModemPowered() ? "Yes" : "No");
 }

NRF_firmware/src/main.h

@@ -35,6 +35,7 @@ BLEBas  blebas;  // battery
 struct ModemConfig {
   String device_name;
   unsigned long transmission_interval;
+  unsigned long transmission_interval_motion;
   bool enable_gps;
   unsigned long gps_timeout;
   String server_url;
@@ -51,11 +52,15 @@ struct ModemConfig {
   int ble_scan_max_beacons;
   unsigned long ble_scan_duration;
   bool modem_shutdown_between_loops;
+  bool motion_detection_enabled;
+  float motion_threshold;
+  bool modem_shutdown_on_motion;
   
   ModemConfig() {
     device_name = "Dev 1";
-    transmission_interval = 30000;
-    enable_gps = false;
+    transmission_interval = 3600000;
+    transmission_interval_motion = 60000;
+    enable_gps = true;
     gps_timeout = 15000;
     server_url = "api.64eng.de";
     server_endpoint = "/sensordata.php";
@@ -66,16 +71,19 @@ struct ModemConfig {
     enable_storage = true;
     max_stored_files = 10;
     wifi_scan_enabled = true;
-    wifi_scan_max_networks = 8;
+    wifi_scan_max_networks = 20;
     ble_scan_enabled = true;
-    ble_scan_max_beacons = 9;
-    ble_scan_duration = 10000;
-    modem_shutdown_between_loops = false;
+    ble_scan_max_beacons = 20;
+    ble_scan_duration = 5000;
+    modem_shutdown_between_loops = true;
+    motion_detection_enabled = true;
+    motion_threshold = 500;
+    modem_shutdown_on_motion = false;
   }
 };
 
 // BLE scanning variables
-DynamicJsonDocument bleScanDoc(8000);
+DynamicJsonDocument bleScanDoc(16000);
 JsonArray bleBeacons;
 bool bleScanning = false;
 unsigned long bleScanStartTime = 0;
@@ -85,6 +93,17 @@ void ble_scan_callback(ble_gap_evt_adv_report_t* report);
 void scanforbeacons();
 bool initializeBLE();
 
+// Global motion detection variables
+static bool globalMotionDetected = false;
+static unsigned long globalLastMotionTime = 0;
+
+// Motion detection using accelerometers
+static unsigned long lastMotionCheck = 0;
+static float lastAcc1X = 0, lastAcc1Y = 0, lastAcc1Z = 0;
+static float lastAcc2X = 0, lastAcc2Y = 0, lastAcc2Z = 0;
+float currentAcc1X, currentAcc1Y, currentAcc1Z;
+float currentAcc2X, currentAcc2Y, currentAcc2Z;
+
 bool espmodemrail = 0;
 bool espon = 0;
 bool modemon = 0;
@@ -195,4 +214,12 @@ String readCompleteHttpResponse(HttpClient& http, unsigned long timeout);
 
 // Non-blocking wait functions
 bool waitForNextTransmission(unsigned long interval);
-void performBackgroundTasks();
+void performBackgroundTasks();
+
+// Motion detection functions
+bool isMotionDetected();
+void triggerMotionTransmission();
+
+// Power management functions
+bool shouldKeepModemPowered();
+void logPowerManagementStatus();

NRF_firmware/upload.jlink

@@ -0,0 +1,5 @@
+r
+loadfile /home/jonas/Desktop/dd/HGD4_reversed-main/NRF_firmware/.pio/build/hgd6/production.hex
+r
+g
+exit

NRF_firmware/variants/hgd6/variant.h

@@ -50,9 +50,6 @@ extern "C"
 
 #define LED_BUILTIN          GREEN_LED
 
-#define PIN_SERIAL_RX       MODEM_RXD
-#define PIN_SERIAL_TX       MODEM_TXD 
-
 #define PIN_SERIAL1_RX MODEM_RXD
 #define PIN_SERIAL1_TX MODEM_TXD