From c882b1eccbf25d52c543cd0ca621a3b39792c78a Mon Sep 17 00:00:00 2001
From: fanoush <fanoush@gmail.com>
Date: Thu, 5 Sep 2024 13:33:16 +0200
Subject: [PATCH 1/3] allow empty lines too

it is typical to just press enter to see if console input is working
---
 examples/rtt/web.html | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/examples/rtt/web.html b/examples/rtt/web.html
index 3de0878..846a610 100644
--- a/examples/rtt/web.html
+++ b/examples/rtt/web.html
@@ -120,12 +120,13 @@
             const printable = !ev.altKey && !ev.ctrlKey && !ev.metaKey;
 
             if (ev.keyCode === 13) { // process newline
-                if (line_input.length) {
+                // allow empty lines too
+                // if (line_input.length) {
                     term.write('\r\n');
                     cmd = line_input;
                     console.log('sending: \"' + line_input + '\"');
                     line_input = "";
-                }
+                //}
             } else if (ev.keyCode === 8) { // process backspace
                 if (term._core.buffer.x > 0) {
                     term.write('\b \b');

From ebfe8f9f426ed7e76c954434d23516655ab54cbf Mon Sep 17 00:00:00 2001
From: fanoush <fanoush@gmail.com>
Date: Thu, 5 Sep 2024 20:22:13 +0200
Subject: [PATCH 2/3] fix also cmd being empty on empty line

---
 examples/rtt/web.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/examples/rtt/web.html b/examples/rtt/web.html
index 846a610..b00696c 100644
--- a/examples/rtt/web.html
+++ b/examples/rtt/web.html
@@ -123,7 +123,7 @@
                 // allow empty lines too
                 // if (line_input.length) {
                     term.write('\r\n');
-                    cmd = line_input;
+                    cmd = line_input + "\r\n";
                     console.log('sending: \"' + line_input + '\"');
                     line_input = "";
                 //}
@@ -165,7 +165,7 @@
                 
                 // send to target
                 if (cmd.length) {
-                    cmdBytes = new TextEncoder().encode(cmd + "\r\n");
+                    cmdBytes = new TextEncoder().encode(cmd);
                     ret = await rtt.write(0, cmdBytes);
                     if (ret < 0)
                         console.log("cannot write", cmdBytes, "chars");

From fd8a34e71ed8580515bf6fe03ef99afd544b6f6d Mon Sep 17 00:00:00 2001
From: fanoush <fanoush@gmail.com>
Date: Mon, 30 Sep 2024 11:53:08 +0200
Subject: [PATCH 3/3] remove commented code

---
 examples/rtt/web.html | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/examples/rtt/web.html b/examples/rtt/web.html
index b00696c..8f24b5b 100644
--- a/examples/rtt/web.html
+++ b/examples/rtt/web.html
@@ -120,13 +120,10 @@
             const printable = !ev.altKey && !ev.ctrlKey && !ev.metaKey;
 
             if (ev.keyCode === 13) { // process newline
-                // allow empty lines too
-                // if (line_input.length) {
-                    term.write('\r\n');
-                    cmd = line_input + "\r\n";
-                    console.log('sending: \"' + line_input + '\"');
-                    line_input = "";
-                //}
+                term.write('\r\n');
+                cmd = line_input + "\r\n";
+                console.log('sending: \"' + line_input + '\"');
+                line_input = "";
             } else if (ev.keyCode === 8) { // process backspace
                 if (term._core.buffer.x > 0) {
                     term.write('\b \b');