From e06668f042e4b4646f6eab298374fd8f062c7a7f Mon Sep 17 00:00:00 2001
From: Asbelos <asbelos@btinternet.com>
Date: Mon, 26 Dec 2022 10:09:34 +0000
Subject: [PATCH] speedup

---
 IO_duinoNodes.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/IO_duinoNodes.h b/IO_duinoNodes.h
index 9228d0e..ae7d40c 100644
--- a/IO_duinoNodes.h
+++ b/IO_duinoNodes.h
@@ -70,23 +70,22 @@ void _loopInput(unsigned long currentMicros)  {
    
     //set latch to HIGH to freeze & store parallel data
    ArduinoPins::fastWriteDigital(_latchPin, HIGH);
-   delayMicroseconds(50);
+   delayMicroseconds(1);
    //set latch to LOW to enable the data to be transmitted serially
    ArduinoPins::fastWriteDigital(_latchPin, LOW);
-   delayMicroseconds(50);
 
   // stream in the bitmap using mapping order provided at constructor   
   for (int xmitByte=0;xmitByte<_nShiftBytes; xmitByte++) {
       byte newByte=0;
       for (int xmitBit=0;xmitBit<8; xmitBit++) {
         ArduinoPins::fastWriteDigital(_clockPin, LOW);
-        delayMicroseconds(20);
+        delayMicroseconds(1);
         bool data = ArduinoPins::fastReadDigital(_dataPin);  
         byte map=_pinMap[xmitBit];
         if (data)  newByte |= map;
             else   newByte &= ~map;
         ArduinoPins::fastWriteDigital(_clockPin, HIGH); 
-        delayMicroseconds(20);   
+        delayMicroseconds(1);   
       }
       _pinValues[xmitByte]=newByte;
       // DIAG(F("DIN %x=%x"),xmitByte, newByte);