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Logic and comms ready for testing

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This commit is contained in:
Skylar Grant 2024-08-22 20:07:05 -04:00
parent 0c1c1483b1
commit 236faaefbe
7 changed files with 137 additions and 46 deletions
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2
.vscode/launch.json vendored
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@ -11,7 +11,7 @@
"skipFiles": [
"<node_internals>/**"
],
"program": "${workspaceFolder}/main.js"
"program": "${workspaceFolder}/src/main.js"
}
]
}

41
src/custom_modules/HestiaClasses.js
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@ -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(msgJson);
// console.log(`Message received on topic ${topic}:`);
// 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

23
src/custom_modules/VoidGPIO.js
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@ -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) {
return new Promise((resolve, reject) => {
exec(`python3 src/python/gpio_interface.py toggle ${pin}`, (error, stdout, stderr) => {
if (error) reject(error);
if (stderr) reject(new Error(stderr));
resolve();
});
});
},
// togglePin(pin) {
// return new Promise((resolve, reject) => {
// exec(`python3 ${config.gpioScript} toggle ${pin}`, (error, stdout, stderr) => {
// if (error) reject(error);
// if (stderr) reject(new Error(stderr));
// 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);
}

3
src/custom_modules/config.json
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@ -60,5 +60,6 @@
"stop": {
"exhaustDelay": 600000
}
}
},
"gpioScript": "src/python/gpio_interface.py"
}

30
src/custom_modules/functions.js
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@ -38,33 +38,11 @@ module.exports = {
}).catch(reject);
});
},
// Boot up sanity check during debug mode
async debugInit() {
async init(communicator, state) {
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));
}
}
});

7
src/main.js
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@ -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));
}
}

75
src/python/fake_gpio.py Normal file
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@ -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()