fixed bugs

src/bme.js

@@ -0,0 +1,21 @@
+import i2c from 'i2c-bus';
+
+export async function bme(address = 0x76) {
+    const i2cBus = await i2c.openPromisified(1);
+    const data = await Promise.all([
+        i2cBus.readByte(address, 0xFA),
+        i2cBus.readByte(address, 0xFB),
+        i2cBus.readByte(address, 0xFC),
+        i2cBus.readByte(address, 0xF7),
+        i2cBus.readByte(address, 0xF8),
+        i2cBus.readByte(address, 0xF9),
+        i2cBus.readByte(address, 0xFD),
+        i2cBus.readByte(address, 0xFE),
+    ]);
+    return {
+        temperature: (((data[0] << 12) | (data[1] << 4) | (data[2] >> 4)) / 16384.0 - 5120.0) / 100,
+        pressure: ((data[3] << 12) | (data[4] << 4) | (data[5] >> 4))  / 25600,
+        humidity: ((data[6] << 8) | data[7]) / 1024.0,
+    };
+}
+console.log(await bme());

src/main.js

@@ -1,8 +1,8 @@
 import {ask} from './misc.js';
 import Daemon from './daemon.js';
 
-const command = process.argv[1];
-let remote;
+const command = process.argv[2];
+let remote = 'localhost';
 
 function help() {
     return `
@@ -26,16 +26,16 @@ function run(cmd) {
     else if(cmd === 'help') return this.help();
     else if(cmd.startsWith('remote')) remote = cmd.split(' ').pop();
     else if(cmd.startsWith('start')) new Daemon(+cmd.split(' ').pop() || 80);
-    else return fetch(`${remote}/api/${cmd}`).then(resp => {
+    else return fetch(`${remote.startsWith('http') ? '' : 'http://'}${remote}/api/${cmd}`).then(resp => {
         if(resp.ok && resp.headers['Content-Type'].includes('json'))
             return resp.json();
         else return resp.text();
-    });
+    }).catch(err => err.message);
 }
 
 if(command) console.log(run(command));
 else console.log(help());
 while(true) {
     const cmd = await ask('> ');
-    console.log(run(cmd), '\n');
+    console.log(await run(cmd), '\n');
 }

src/sensor-suite.js

@@ -27,6 +27,7 @@ export default class SensorSuite {
     async start() {
         this.intervals.push(adjustedInterval(async () => {
             this.data.environment = await this.statusWrapper(bme(), 'bme280');
+            if(this.data.environment.pressure != null)
                 this.data.environment.altitude = SensorSuite.#hPaToAltitude(this.data.environment.pressure);
         }, 1000));
         await sleep(500); // Offset reading sensor data