From f43c10909e24bf720487600c294b058fe95fc5a7 Mon Sep 17 00:00:00 2001
From: Dejvino <dejvino@gmail.com>
Date: Thu, 30 Mar 2023 15:58:00 +0200
Subject: [PATCH] Reliable 20 symbols sent automatically

---
 terminal_keyboard_emulator.ino | 33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/terminal_keyboard_emulator.ino b/terminal_keyboard_emulator.ino
index 48230b0..364863e 100644
--- a/terminal_keyboard_emulator.ino
+++ b/terminal_keyboard_emulator.ino
@@ -5,7 +5,7 @@ const int pinData = 6;
 const int pinStatus = 7;
 
 // fixed values 
-const int timerDelay = 500;
+const int timerDelay = 530;
 
 void setup(void)
 {
@@ -29,27 +29,25 @@ volatile int dataState = 0;
 volatile int dataDelay = 0;
 volatile int packetDelay = 0;
 volatile int packetTail = 0;
-volatile int clkState = HIGH;
 
 volatile bool nextKeyReady = false;
 volatile byte nextKey = 0;
 
 void typeKey(byte key) {
-    noInterrupts();
-    nextKeyReady = true;
+    //noInterrupts();
     nextKey = key;
-    interrupts();
+    nextKeyReady = true;
+    //interrupts();
 }
     
 void sendKey(byte key) { 
-    noInterrupts();
+    //noInterrupts();
     dataWord = key;
     dataState = 8;
     dataDelay = 0;
     packetDelay = 0;
-    packetTail = 10;
-    clkState = HIGH;
-    interrupts();
+    packetTail = 15;
+    //interrupts();
     Timer1.initialize(timerDelay);
     Timer1.start();
 }
@@ -59,19 +57,14 @@ void statusCycle() {
   long changeDiff = timeNow - lastChange;
   lastChange = timeNow;
   if (changeDiff >= 10 && nextKeyReady) {
-      sendKey(nextKey);
       nextKeyReady = false;
+      sendKey(nextKey);
   }
 }
 
 void clockCycle(void)
 {
   int dataBit = HIGH;
-  if (clkState == LOW) {
-    clkState = HIGH;
-  } else {
-    clkState = LOW;
-  }
   if (packetDelay > 0) {
     packetDelay--;
   } else if (dataDelay > 0) {
@@ -89,16 +82,18 @@ void clockCycle(void)
   }
   digitalWrite(pinData, dataBit);
 }
-
+int xx = 0;
 void loop(void)
 {
-  delay(50);
+  delay(500);
+  typeKey(44 + xx);
+  xx = (xx+1) % 20;
 
-  if (Serial.available() > 0) {
+  /*if (!nextKeyReady && Serial.available() > 0) {
       long key = Serial.parseInt(SKIP_ALL);
       if (key != 0) {
 	typeKey(key);
       }
-  }
+  }*/
 }