Added capability to reboot by setting reboot pin (#133)

NodeManager.cpp

@@ -3220,6 +3220,15 @@ void NodeManager::before() {
     Serial.print(F("NodeManager v"));
     Serial.println(VERSION);
   #endif
+  // setup the reboot pin if needed
+  if (_reboot_pin > -1) {
+    #if DEBUG == 1
+      Serial.print("REB P=");
+      Serial.println(_reboot_pin);
+    #endif
+    pinMode(_reboot_pin, OUTPUT);
+    digitalWrite(_reboot_pin, HIGH);
+  }
   // print out MySensors' library capabilities
   #if DEBUG == 1
     Serial.print(F("LIB R="));
@@ -3476,6 +3485,7 @@ void NodeManager::process(Request & request) {
     case 27: saveToMemory(0,request.getValueInt()); break;
     case 28: setInterruptMinDelta(request.getValueInt()); break;
     case 30: setSleepOrWait(request.getValueInt()); break;
+    case 31: setRebootPin(request.getValueInt()); break;
     default: return; 
   }
   _send(_msg.set(function));
@@ -3519,12 +3529,17 @@ void NodeManager::reboot() {
   #if DEBUG == 1
     Serial.println(F("REBOOT"));
   #endif
-  // Software reboot with watchdog timer. Enter Watchdog Configuration mode:
-  WDTCSR |= (1<<WDCE) | (1<<WDE);
-  // Reset enable
-  WDTCSR= (1<<WDE);
-  // Infinite loop until watchdog reset after 16 ms
-  while(true){}
+  if (_reboot_pin > -1) {
+    // reboot the board through the reboot pin which is connected to RST by setting it to low
+    digitalWrite(_reboot_pin, LOW);
+  } else {
+    // Software reboot with watchdog timer. Enter Watchdog Configuration mode:
+    WDTCSR |= (1<<WDCE) | (1<<WDE);
+    // Reset enable
+    WDTCSR= (1<<WDE);
+    // Infinite loop until watchdog reset after 16 ms
+    while(true){}
+  }
 }
 
 // send NodeManager's the version back to the controller
@@ -3635,6 +3650,11 @@ void NodeManager::setSleepOrWait(bool value) {
   _sleep_or_wait = value;
 }
 
+// set which pin is connected to RST of the board to reboot the board when requested. If not set the software reboot is used instead (default: -1)
+void NodeManager::setRebootPin(int value) {
+  _reboot_pin = value;
+}
+
 // sleep if the node is a battery powered or wait if it is not for the given number of milliseconds 
 void NodeManager::sleepOrWait(long value) {
   // if the node is sleeping, sleep-or-wait is enabled and we need to sleep for a decent amount of time, call sleep() otherwise wait()

NodeManager.h

@@ -1433,6 +1433,8 @@ class NodeManager {
     void setSleepOrWait(bool value);
     // sleep if the node is a battery powered or wait if it is not for the given number of milliseconds 
     void sleepOrWait(long value);
+    // [31] set which pin is connected to RST of the board to reboot the board when requested. If not set the software reboot is used instead (default: -1)
+    void setRebootPin(int value);
     // hook into the main sketch functions
     void before();
     void presentation();
@@ -1484,6 +1486,7 @@ class NodeManager {
     int _is_metric = 1;
     int _report_interval_seconds = 10*60;
     bool _sleep_or_wait = true;
+    int _reboot_pin = -1;
     void _loadConfig();
     void _saveConfig();
 };

README.md

@@ -56,17 +56,21 @@ Since NodeManager has to communicate with the MySensors gateway on your behalf,
 #define MY_BAUD_RATE 9600
 //#define MY_DEBUG
 //#define MY_NODE_ID 100
+//#define MY_SMART_SLEEP_WAIT_DURATION_MS 500
 
 // NRF24 radio settings
 #define MY_RADIO_NRF24
 //#define MY_RF24_ENABLE_ENCRYPTION
 //#define MY_RF24_CHANNEL 76
 //#define MY_RF24_PA_LEVEL RF24_PA_HIGH
+//#define MY_DEBUG_VERBOSE_RF24
+//#define MY_RF24_DATARATE RF24_250KBPS
 
 // RFM69 radio settings
 //#define MY_RADIO_RFM69
 //#define MY_RFM69_FREQUENCY RF69_868MHZ
 //#define MY_IS_RFM69HW
+//#define MY_DEBUG_VERBOSE_RFM69
 //#define MY_RFM69_NEW_DRIVER
 //#define MY_RFM69_ENABLE_ENCRYPTION
 //#define MY_RFM69_NETWORKID 100
@@ -74,6 +78,25 @@ Since NodeManager has to communicate with the MySensors gateway on your behalf,
 //#define MY_RF69_IRQ_NUM MY_RF69_IRQ_PIN
 //#define MY_RF69_SPI_CS D2
 
+// RS485 serial transport settings
+//#define MY_RS485
+//#define MY_RS485_BAUD_RATE 9600
+//#define MY_RS485_DE_PIN 2
+//#define MY_RS485_MAX_MESSAGE_LENGTH 40
+//#define MY_RS485_HWSERIAL Serial1
+
+// Message signing settings
+//#define MY_SIGNING_SOFT
+//#define MY_SIGNING_SOFT_RANDOMSEED_PIN 7
+//#define MY_SIGNING_REQUEST_SIGNATURES
+//#define MY_SIGNING_ATSHA204
+
+// OTA Firmware update settings
+//#define MY_OTA_FIRMWARE_FEATURE
+//#define OTA_WAIT_PERIOD 300
+//#define FIRMWARE_MAX_REQUESTS 2
+//#define MY_OTA_RETRY 2
+
 /**********************************
  * MySensors gateway configuration
  */
@@ -88,8 +111,8 @@ Since NodeManager has to communicate with the MySensors gateway on your behalf,
 
 // ESP8266 gateway settings
 //#define MY_GATEWAY_ESP8266
-//#define MY_ESP8266_SSID "MySSID"
-//#define MY_ESP8266_PASSWORD "MyVerySecretPassword"
+//#define MY_ESP8266_SSID ""
+//#define MY_ESP8266_PASSWORD ""
 
 // Gateway networking settings
 //#define MY_IP_ADDRESS 192,168,178,87
@@ -317,6 +340,8 @@ The next step is to configure NodeManager with settings which will instruct how
     void setReportIntervalSeconds(int value);
     // [30] if set and when the board is battery powered, sleep() is always called instead of wait() (default: true)
     void setSleepOrWait(bool value);
+    // [31] set which pin is connected to RST of the board to reboot the board when requested. If not set the software reboot is used instead (default: -1)
+    void setRebootPin(int value);
     // sleep if the node is a battery powered or wait if it is not for the given number of milliseconds 
     void sleepOrWait(long value);
 ~~~