From 2d516679886b5607b38938e71ed429ddf97f2e5d Mon Sep 17 00:00:00 2001
From: Bartlomiej Zimon <uzi18@o2.pl>
Date: Fri, 10 Apr 2020 10:19:46 +0000
Subject: [PATCH] P004_dallas: esp32 optimisation - move bit read/write to IRAM

---
 src/_P004_Dallas.ino | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/_P004_Dallas.ino b/src/_P004_Dallas.ino
index 87091ce074..ebfc2f6404 100644
--- a/src/_P004_Dallas.ino
+++ b/src/_P004_Dallas.ino
@@ -9,6 +9,11 @@
 #if defined(ESP32)
   # define ESP32noInterrupts() { portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED; portENTER_CRITICAL(&mux)
   # define ESP32interrupts() portEXIT_CRITICAL(&mux); }
+
+// https://github.com/espressif/arduino-esp32/issues/1335
+uint8_t Plugin_004_DS_read_bit(int8_t Plugin_004_DallasPin) ICACHE_RAM_ATTR;
+void Plugin_004_DS_write_bit(uint8_t v, int8_t Plugin_004_DallasPin) ICACHE_RAM_ATTR;
+
 #endif // if defined(ESP32)
 
 #include "_Plugin_Helper.h"