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work on serialport and events

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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
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83
src/backend/nanodevices.js
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@@ -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;

53
src/main.js
View File

@@ -128,7 +128,7 @@ const createLoadingWindow = (mainWindow) => {
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(() => {
ipcMain.handle('nanodevices:list_devices', nanodevices.list_devices)
ipcMain.handle('nanodevices:list_devices', ()=>nanodevices.list_devices())
ipcMain.handle('nanodevices:connect', nanodevices.connect)
ipcMain.handle('nanodevices:disconnect', nanodevices.disconnect)
ipcMain.handle('nanodevices:send', nanodevices.send)
@@ -146,33 +146,29 @@ app.whenReady().then(() => {
ipcMain.on('electron:openExternal', (_event, url) => shell.openExternal(url))
ipcMain.on('electron:openDevTools', () => mainWindow.webContents.toggleDevTools())
ipcMain.on('electron:reload', () => mainWindow.webContents.reloadIgnoringCache())
// nanodevices.on('nanodevices:device-attached', (evt, device) => { // TODO cumbersome, is there a shorthand line nanodevice-* ?
// console.log('Attached device', device)
// mainWindow.webContents.send('nanodevices:device-attached', device)
// })
// nanodevices.on('nanodevices:device-detached', (device) => {
// console.log('Detached device', device)
// mainWindow.webContents.send('nanodevices:device-detached', device)
// })
// nanodevices.on('nanodevices:connected', (device) => {
// console.log('Connected device', device)
// mainWindow.webContents.send('nanodevices:connected', device)
// })
// nanodevices.on('nanodevices:disconnected', (device) => {
// console.log('Disconnected device', device)
// mainWindow.webContents.send('nanodevices:disconnected', device)
// })
// nanodevices.on('nanodevices:error', (device, error) => {
// console.log('Error on device', device, error)
// mainWindow.webContents.send('nanodevices:error', device, error)
// })
// nanodevices.on('nanodevices:update', (deviceid, jsonstr) => {
// console.log('Nano update', jsonstr)
// mainWindow.webContents.send('nanodevices:update', deviceid, jsonstr)
// })
nanodevices.on('nanodevices:event', (eventid, deviceid, ...data) => {
console.log('Nano event', eventid, deviceid, data)
mainWindow.webContents.send('nanodevices:event', eventid, deviceid, ...data)
nanodevices.on('nanodevices:device-attached', (deviceid, ...data) => {
console.log('Attached event', deviceid, data)
mainWindow.webContents.send('nanodevices:event', 'device-attached', deviceid, ...data)
})
nanodevices.on('nanodevices:device-detached', (deviceid, ...data) => {
console.log('Detached event', deviceid, data)
mainWindow.webContents.send('nanodevices:event', 'device-detached', deviceid, ...data)
})
nanodevices.on('nanodevices:device-error', (deviceid, ...data) => {
console.log('Error event', deviceid, data)
mainWindow.webContents.send('nanodevices:event', 'device-error', deviceid, ...data)
})
nanodevices.on('nanodevices:connected', (deviceid, ...data) => {
console.log('Connected event', deviceid, data)
mainWindow.webContents.send('nanodevices:event', 'connected', deviceid, ...data)
})
nanodevices.on('nanodevices:disconnected', (deviceid, ...data) => {
console.log('Disconnected event', deviceid, data)
mainWindow.webContents.send('nanodevices:event', 'disconnected', deviceid, ...data)
})
nanodevices.on('nanodevices:update', (deviceid, ...data) => {
console.log('Update event', deviceid, data)
mainWindow.webContents.send('nanodevices:event', 'update', deviceid, ...data)
})
const menu = new Menu()
for (const menuItem of Object.values(appMenu)) {
@@ -204,6 +200,7 @@ app.whenReady().then(() => {
Menu.setApplicationMenu(menu)
//mainWindow.webContents.openDevTools()
setInterval(()=>nanodevices._list(), 1000)
})
// Quit when all windows are closed, except on macOS. There, it's common

6
src/preload.js
View File

@@ -14,8 +14,10 @@ contextBridge.exposeInMainWorld('nanodevices', {
disconnect(deviceid) {
ipcRenderer.invoke('nanodevices:disconnect', deviceid);
},
on(eventid_filter, callback) {
on_event(eventid_filter, callback) {
console.log("attaching filter for ", eventid_filter);
ipcRenderer.on('nanodevices:event', (_event, eventid, deviceid, ...data) => {
console.log("Event in ipcRenderer ", eventid, deviceid, data);
if (eventid_filter=="*" || eventid_filter==eventid) {
callback(eventid, deviceid, ...data);
}
@@ -38,4 +40,4 @@ contextBridge.exposeInMainWorld('electron', {
}),
openDevTools: () => ipcRenderer.send('electron:openDevTools'),
reload: () => ipcRenderer.send('electron:reload'),
});
});

5
src/renderer.js
View File

@@ -53,6 +53,7 @@ app.config.globalProperties.window = window
app.mount('#app')
window.nanodevices.on('*', (eventid, deviceid, ...data) => {
console.log(eventid, deviceid, data)
window.nanodevices.on_event("*", (eventid, deviceid, ...data) => {
console.log("Event on window ", eventid, deviceid, data)
});
window.nanodevices.list_devices();