From 39a5c822a2a2e798e2e39ff8a98b7af84253026c Mon Sep 17 00:00:00 2001
From: Joey Castillo <jose.castillo@gmail.com>
Date: Sat, 28 Aug 2021 12:50:18 -0400
Subject: add tinyusb

---
 .../examples/device/hid_generic_inout/hid_test.js  | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100755 tinyusb/examples/device/hid_generic_inout/hid_test.js

(limited to 'tinyusb/examples/device/hid_generic_inout/hid_test.js')

diff --git a/tinyusb/examples/device/hid_generic_inout/hid_test.js b/tinyusb/examples/device/hid_generic_inout/hid_test.js
new file mode 100755
index 00000000..daa958fd
--- /dev/null
+++ b/tinyusb/examples/device/hid_generic_inout/hid_test.js
@@ -0,0 +1,68 @@
+// IMPORTANT: install the dependency via 'npm i node-hid' in the same location as the script
+// If the install fails on windows you may need to run 'npm i -g windows-build-tools' first to be able to compile native code needed for this library
+
+var HID = require('node-hid');
+var os = require('os')
+// list of supported devices
+var boards = require('./boards.js')
+var devices = HID.devices();
+
+// this will choose any device found in the boards.js file
+var deviceInfo = devices.find(anySupportedBoard);
+var reportLen = 64;
+
+var message = "Hello World!"
+
+// Turn our string into an array of integers e.g. 'ascii codes', though charCodeAt spits out UTF-16
+// This means if you have characters in your string that are not Latin-1 you will have to add additional logic for character codes above 255
+var messageBuffer = Array.from(message, function(c){return c.charCodeAt(0)});
+
+// HIDAPI requires us to prepend a 0 for single hid report as dummy reportID
+messageBuffer.unshift(0)
+
+// Some OSes expect that you always send a buffer that equals your report length
+// So lets fill up the rest of the buffer with zeros
+var paddingBuf = Array(reportLen-messageBuffer.length);
+paddingBuf.fill(0)
+messageBuffer = messageBuffer.concat(paddingBuf)
+
+// check if we actually found a device and if so send our messageBuffer to it
+if( deviceInfo ) {
+	console.log(deviceInfo)
+	var device = new HID.HID( deviceInfo.path );
+
+	// register an event listener for data coming from the device
+	device.on("data", function(data) {
+		// Print what we get from the device
+		console.log(data.toString('ascii'));
+	});
+
+	// the same for any error that occur
+	device.on("error", function(err) {console.log(err)});
+
+	// send our message to the device every 500ms
+	setInterval(function () {
+		device.write(messageBuffer);
+	},500)
+}
+
+
+function anySupportedBoard(d) {
+	
+	for (var key in boards) {
+	    if (boards.hasOwnProperty(key)) {
+	        if (isDevice(boards[key],d)) {
+	        	console.log("Found " + d.product);
+	        	return true;
+	        }
+	    }
+	}
+	return false;
+}
+
+
+function isDevice(board,d){
+	// product id 0xff is matches all
+	return d.vendorId==board[0] && (d.productId==board[1] || board[1] == 0xFFFF);
+}
+
-- 
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