Added error handling.

README.md

@@ -6,18 +6,13 @@
 
 This plugin allows you to send 433MHz RF commands via HomeKit. I had no luck getting anything other than rpi-rf to communicate with my hardware. There are other plugins though, try those if this doesn't work for you.
 
-## Manual Pre Install Steps
-
-The included preinstall script should handle these for you, they are included for completeness.
-
-1. Install pip using `sudo apt install python3-dev python3-pip`.
-2. Install rpi-rf using `sudo pip3 install rpi-rf`.
-
 ## Installation
 
 1. Install Homebridge using the [official instructions](https://github.com/homebridge/homebridge/wiki).
-2. Install this plugin using `sudo npm install -g homebridge-rpi-rf-switch --unsafe-perm`.
-3. Update your configuration file. See configuration sample below.
+2. Install pip using `sudo apt install python3-dev python3-pip`.
+3. Install rpi-rf using `sudo pip3 install rpi-rf`.
+4. Install this plugin using `sudo npm install -g homebridge-rpi-rf-switch --unsafe-perm`.
+5. Update your configuration file. See configuration sample below.
 
 ### Configuration
 

package.json

@@ -26,7 +26,6 @@
     "format": "markdownlint --fix *.md",
     "lint": "eslint src/*.ts --fix",
     "lint-check": "eslint src/*.ts",
-    "preinstall": "node preinstall.js",
     "prepare": "npm run build",
     "prepublishOnly": "npm run lint-check",
     "postpublish": "npm run clean",

src/index.ts

@@ -63,8 +63,8 @@ class RfSwitchPlatform implements DynamicPlatformPlugin {
     try {
       this.rfDevice = python.createSync(rpiRf, 'RFDevice', gpio, 1, null, repeat, 24);
     } catch (ex) {
-      this.log.error('Error starting rpi-rf. Please make sure it you\'ve followed the ' +
-        'installation instructions on the project\'s page. ' + ex);
+      this.log.error('Error starting rpi-rf, please make sure you\'ve followed the ' +
+        'installation instructions in this project\'s readme: ' + ex);
       return;
     }
     python.callSync(this.rfDevice, 'enable_tx');