From c4c03b7c1bcc14f940aeb5f33963d30f29d79ea7 Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Fri, 20 May 2022 11:38:11 +0200
Subject: [PATCH] Add pinmode once for digitalwrite

---
 tasmota/support.ino | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/tasmota/support.ino b/tasmota/support.ino
index 6f0e39c35..a7c08eeda 100644
--- a/tasmota/support.ino
+++ b/tasmota/support.ino
@@ -1327,9 +1327,18 @@ void SetPin(uint32_t lpin, uint32_t gpio) {
 }
 
 void DigitalWrite(uint32_t gpio_pin, uint32_t index, uint32_t state) {
+#ifdef ESP8266
+  static uint32_t pinmode_init = 0;  // Pins 0 to 31 !!! - saves 40 bytes code space compared to uint64_t
+#else
+  static uint64_t pinmode_init = 0;  // Pins 0 to 63 !!!
+#endif
+
   if (PinUsed(gpio_pin, index)) {
     uint32_t pin = Pin(gpio_pin, index);
-    pinMode(pin, OUTPUT);
+    if (!bitRead(pinmode_init, pin)) {
+      pinMode(pin, OUTPUT);
+      bitSet(pinmode_init, pin);
+    }
     digitalWrite(pin, state &1);
   }
 }