matei/zeroone
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

work on serialport and events

Browse Source
This commit is contained in:
Richard Unger
2024-02-26 23:39:04 +01:00
parent 58d552c49f
commit e92e697cfa
5 changed files with 84 additions and 71 deletions
Download Patch File Download Diff File Expand all files Collapse all files

83
src/backend/nanodevices.js
View File

@@ -1,45 +1,47 @@
import { SerialPort } from 'serialport';
import { EventEmitter } from 'events';
const NANO_PRODUCT_ID = '7523';
const NANO_VENDOR_ID = '1a86';
// JTAG interface, TODO: change me!
const NANO_PRODUCT_ID = '1001';
const NANO_VENDOR_ID = '303a';
const NANO_BAUD_RATE = 115200;
const nanodevices = {
all_nano_devices: {},
connected_nano_devices: {},
class NanoDevices extends EventEmitter {
all_nano_devices = {};
connected_nano_devices = {};
_list() {
let p = new Promise();
SerialPort.list().then((ports, err) => {
if (err) {
p.reject(err); // TODO format for errors?
}
else {
console.log('ports', ports)
let found_nano_devices = []
for (let port of ports) {
if (port.productId === NANO_PRODUCT_ID && port.vendorId === NANO_VENDOR_ID) {
found_nano_devices.push(port.serialNumber);
if (this.all_nano_devices[port.serialNumber] === undefined) {
this.all_nano_devices[port.serialNumber] = port;
this.emit('nanodevices:device-attached', { id: port.serialNumber });
let p = new Promise((resolve, reject) => {
SerialPort.list().then((ports, err) => {
if (err) {
reject(err); // TODO format for errors?
}
else {
let found_nano_devices = []
for (let port of ports) {
if (port.productId === NANO_PRODUCT_ID && port.vendorId === NANO_VENDOR_ID) {
found_nano_devices.push(port.serialNumber);
if (this.all_nano_devices[port.serialNumber] === undefined) {
this.all_nano_devices[port.serialNumber] = port;
this.emit('nanodevices:device-attached', port.serialNumber);
console.log('attached', port.serialNumber);
}
}
}
resolve(found_nano_devices);
for (let serialNumber in this.all_nano_devices) {
if (found_nano_devices.indexOf(serialNumber) === -1) {
delete this.all_nano_devices[serialNumber];
this.emit('nanodevices:device-detached', serialNumber);
console.log('detached', serialNumber);
}
}
}
p.resolve(found_nano_devices);
for (let serialNumber in this.all_nano_devices) {
if (found_nano_devices.indexOf(serialNumber) === -1) {
delete this.all_nano_devices[serialNumber];
this.emit('nanodevices:device-detached', { id: serialNumber });
}
}
}
})
});
});
return p;
},
};
_handle_data(connected_port, data) {
@@ -51,7 +53,7 @@ const nanodevices = {
}
connected_port.data = lines[lines.length - 1];
}
},
};
list_devices() {
@@ -60,8 +62,9 @@ const nanodevices = {
if (value.serialNumber)
result.push(key);
}
console.log('list_devices', result);
return result;
},
};
async send(deviceid, jsonstr) {
@@ -73,7 +76,7 @@ const nanodevices = {
connected_port.port.write(jsonstr+'\n');
return Promise.resolve();
}
},
};
async connect(deviceid) {
@@ -86,19 +89,19 @@ const nanodevices = {
let port = new SerialPort(nano_device.path, { baudRate: NANO_BAUD_RATE, autoOpen: false });
port.on('error', (err) => {
// forward error to FE
this.emit('nanodevices:error', { id: nano_device.serialNumber }, err);
this.emit('nanodevices:error', nano_device.serialNumber, err);
});
port.on('close', (err) => {
if (err && err.disconnected) {
// forward close to FE
this.emit('nanodevices:disconnected', { id: nano_device.serialNumber });
this.emit('nanodevices:disconnected', nano_device.serialNumber);
}
delete this.connected_nano_devices[nano_device.serialNumber];
});
port.on('open', () => {
p.resolve(nano_device.serialNumber);
this.connected_nano_devices[nano_device.serialNumber] = { port: port, data: '' };
this.emit('nanodevices:connected', { id: nano_device.serialNumber });
this.emit('nanodevices:connected', nano_device.serialNumber);
});
port.on('data', (data) => {
let connected_port = this.connected_nano_devices[nano_device.serialNumber];
@@ -111,7 +114,7 @@ const nanodevices = {
});
}
return p;
},
};
disconnect(deviceid) {
@@ -130,8 +133,10 @@ const nanodevices = {
}
}
return p;
}
};
};
const nanodevices = new NanoDevices();
export default nanodevices;