Logic and comms ready for testing

.vscode/launch.json

@@ -11,7 +11,7 @@
             "skipFiles": [
                 "<node_internals>/**"
             ],
-            "program": "${workspaceFolder}/main.js"
+            "program": "${workspaceFolder}/src/main.js"
         }
     ]
 }

src/custom_modules/HestiaClasses.js

@@ -5,11 +5,13 @@ module.exports = {
     // State class
     State: class State {
         constructor(config) {
+            this.publisher = 'backend';
+
             this.igniter = {
                 on: false,
                 name: "igniter",
                 topic: config.mqtt.topics.igniter,
-                publisher: 'backend',
+                publisher: this.publisher,
                 power: (communicator, pinState) => {
                     // Set the power based on the desired pinState
                     this.igniter.on = pinState === 1 ? true : false;
@@ -21,7 +23,7 @@ module.exports = {
                 on: false,
                 name: "exhaust",
                 topic: config.mqtt.topics.exhaust,
-                publisher: 'backend',
+                publisher: this.publisher,
                 power: (communicator, pinState) => {
                     // Set the power based on the desired pinState
                     this.exhaust.on = pinState === 1 ? true : false;
@@ -34,13 +36,37 @@ module.exports = {
                 name: "auger",
                 feedRate: 500,
                 topic: config.mqtt.topics.auger,
-                publisher: 'backend',
+                publisher: this.publisher,
                 power: (communicator, pinState) => {
                     // Set the power based on the desired pinState
                     this.auger.on = pinState === 1 ? true : false;
                     communicator.send(config.mqtt.topics.auger, JSON.stringify(this.auger));
                 }
             };
+
+            this.pof = {
+                on: false,
+                name: "pof",
+                topic: config.mqtt.topics.pof,
+                publisher: this.publisher,
+                power: (communicator, pinState) => {
+                    // Set the power based on the desired pinState
+                    this.pof.on = pinState === 1 ? true : false;
+                    communicator.send(config.mqtt.topics.pof, JSON.stringify(this.pof));
+                }
+            };
+
+            this.vacuum = {
+                on: false,
+                name: "vacuum",
+                topic: config.mqtt.topics.vacuum,
+                publisher: this.publisher,
+                power: (communicator, pinState) => {
+                    // Set the power based on the desired pinState
+                    this.vacuum.on = pinState === 1 ? true : false;
+                    communicator.send(config.mqtt.topics.vacuum, JSON.stringify(this.vacuum));
+                }
+            };
             console.log(`State initialized.`)
         };
     },
@@ -76,19 +102,20 @@ module.exports = {
             // Handle when the Broker sends us a message
             client.on('message', (topic, message) => {
                 // Save the existing state
-                const oldState = { ...state };
+                const oldState = JSON.parse(JSON.stringify(state));
                 // The message is a buffer which will need to be converted to string
                 const msgStr = message.toString();
                 // Since the message is a JSON object, we can parse it
                 const msgJson = JSON.parse(msgStr);
                 // Log the message
-                console.log(`Message received on topic ${topic}:`);
+                // console.log(`Message received on topic ${topic}:`);
-                console.log(msgJson);
+                // console.log(msgJson);
                 // Check if the message is from the backend
                 if (msgJson.publisher === this.publisher) {
-                    console.log('Message is from the backend, ignoring');
+                    // console.log('Message is from the backend, ignoring');
                     return;
                 }
+                // console.log('Message is from the frontend, updating state');
                 // Update the state
                 state[msgJson.name].on = msgJson.on;
                 // Emit the state change

src/custom_modules/VoidGPIO.js

@@ -1,20 +1,21 @@
 const { exec } = require('child_process');
+const config = require('./config.json');
 
 module.exports = {
     // Calls the GPIO Interface script to toggle a pin's state opposite of its current state
-    togglePin(pin) {
+    // togglePin(pin) {
-        return new Promise((resolve, reject) => {
+    //     return new Promise((resolve, reject) => {
-            exec(`python3 src/python/gpio_interface.py toggle ${pin}`, (error, stdout, stderr) => {
+    //         exec(`python3 ${config.gpioScript} toggle ${pin}`, (error, stdout, stderr) => {
-                if (error) reject(error);
+    //             if (error) reject(error);
-                if (stderr) reject(new Error(stderr));
+    //             if (stderr) reject(new Error(stderr));
-                resolve();
+    //             resolve();
-            });
+    //         });
-        });
+    //     });
-    },
+    // },
     // Calls the GPIO Interface script to read a pin's state
     readPin(pin) {
         return new Promise((resolve, reject) => {
-            exec(`python3 src/python/gpio_interface.py read ${pin}`, (error, stdout, stderr) => {
+            exec(`python3 ${config.gpioScript} read ${pin}`, (error, stdout, stderr) => {
                 if (error) reject(error);
                 if (stderr) reject(new Error(stderr));
                 resolve(stdout.trim());
@@ -24,7 +25,7 @@ module.exports = {
     // Calls the GPIO Interface script to set a pin's state regardless of its current state
     setPin(pin, state) {
         return new Promise((resolve, reject) => {
-            exec(`python3 src/python/gpio_interface.py set ${pin} ${state}`, (error, stdout, stderr) => {
+            exec(`python3 ${config.gpioScript} set ${pin} ${state}`, (error, stdout, stderr) => {
                 if (error) {
                     reject(error);
                 }

src/custom_modules/config.json

@@ -60,5 +60,6 @@
         "stop": {
             "exhaustDelay": 600000
         }
-    }
+    },
+    "gpioScript": "src/python/gpio_interface.py"
 }

src/custom_modules/functions.js

@@ -38,33 +38,11 @@ module.exports = {
                 }).catch(reject);
             });
         },
-        // Boot up sanity check during debug mode
+        async init(communicator, state) {
-        async debugInit() {
             module.exports.log('Resetting all output pins.');
-            module.exports.gpio.setDefaults().then((changes) => {
+            module.exports.gpio.setDefaults(communicator, state).then((changes) => {
                 module.exports.log(changes);
             }).catch(e => console.error(e));
-
-            for (const pin of pins) {
-                switch (pin.mode) {
-                    case 'OUT':
-                        gpio.togglePin(pin.board).then(() => {
-                            module.exports.log(`Toggled ${pin.key}`);
-                        }).catch(e => console.error(e));
-                        // Wait 1000ms before toggling again.
-                        await module.exports.sleep(1000);
-                        gpio.togglePin(pin.board).then(() => {
-                            module.exports.log(`Toggled ${pin.key}`);
-                        }).catch(e => console.error(e));
-                        break;
-                    case 'IN':
-                        gpio.readPin(pin.board).then(state => {
-                            module.exports.log(`${pin.key} state: ${state}`);
-                        }).catch(e => console.error(e));
-                    default:
-                        break;
-                }
-            };
         }
     },
     power: {
@@ -155,6 +133,10 @@ module.exports = {
                         return gpio.setPin(pin.board, 1).then(() => {
                             console.log(`${pin.key} powered on.`);
                         }).catch(e => console.error(e));
+                    } else {
+                        return gpio.setPin(pin.board, 0).then(() => {
+                            console.log(`${pin.key} powered off.`);
+                        }).catch(e => console.error(e));
                     }
                 }
             });

src/main.js

@@ -9,14 +9,19 @@ const comms = new Communicator(psState);
 
 comms.init(psState, config);
 
-fn.gpio.debugInit();
+fn.gpio.init(comms, psState);
 
 // Sensor detection loop
 setInterval(() => {
     for (const pin of config.pins) {
         if (pin.mode === 'IN') {
             gpio.readPin(pin.board).then(state => {
+                const boolState = state === '1' ? true : false;
+                if (boolState !== psState[pin.key].on) {
+                    psState[pin.key].on = boolState;
+                    comms.send(config.mqtt.topics[pin.key], JSON.stringify(psState[pin.key]));
                     fn.log(`${pin.key}: ${state}`);
+                }
             }).catch(e => console.error(e));
         }
     }

src/python/fake_gpio.py

@@ -0,0 +1,75 @@
+import sys
+
+# Define the state of the pins
+PIN_STATES = {
+    7: 0,
+    13: 0,
+    15: 0,
+    16: 0,
+    22: 0
+}
+
+# Define a function to get the pin state from the array
+def get_pin_state(pin):
+    if pin in PIN_STATES:
+        return PIN_STATES[pin]
+    else:
+        print(f"Invalid pin: {pin}")
+        return -1
+
+# Modify the read_pin function to use the get_pin_state function
+def read_pin(pin):
+    try:
+        # Read pin state
+        state = get_pin_state(pin)
+        # Return 1 if pin is HIGH, 0 if LOW
+        return 1 if state == 1 else 0
+    except Exception as e:
+        # Handle errors
+        print(f"Error reading pin {pin}: {e}")
+        # Return -1 on error
+        return -1
+
+# Modify the set_pin_state function to return success always
+def set_pin_state(pin, state):
+    try:
+        # Set the pin state to either HIGH (1) or LOW (0)
+        # Exit with 0 for success
+        return 0
+    except Exception as e:
+        # Handle errors
+        print(f"Error setting pin {pin} to state {state}: {e}")
+        # Exit with 1 for failure
+        return 1
+
+def main():
+    if len(sys.argv) < 3:
+        print("Usage: python3 gpio_interface.py <command> <pin> [<state>]")
+        sys.exit(1)
+
+    command = sys.argv[1].lower()
+    pin = int(sys.argv[2])
+
+    if command == "toggle":
+        result = toggle_pin(pin)
+        sys.exit(result)
+    elif command == "read":
+        result = read_pin(pin)
+        print(result)
+        sys.exit(0 if result >= 0 else 1)
+    elif command == "set":
+        if len(sys.argv) < 4:
+            print("Usage: python3 gpio_interface.py set <pin> <state>")
+            sys.exit(1)
+        state = int(sys.argv[3])
+        if state not in [0, 1]:
+            print("Invalid state. Use 0 for LOW or 1 for HIGH.")
+            sys.exit(1)
+        result = set_pin_state(pin, state)
+        sys.exit(result)
+    else:
+        print("Invalid command. Use 'toggle', 'read', or 'set'.")
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()