From 1259b25de90b99d621ecbcca302fc58bdc133a0d Mon Sep 17 00:00:00 2001
From: Jason2866 <24528715+Jason2866@users.noreply.github.com>
Date: Tue, 1 Jun 2021 20:48:21 +0200
Subject: [PATCH] Arduino core 3.0

---
 platformio_tasmota_cenv_sample.ini | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/platformio_tasmota_cenv_sample.ini b/platformio_tasmota_cenv_sample.ini
index 5d7c0aa3d..99b29a43d 100644
--- a/platformio_tasmota_cenv_sample.ini
+++ b/platformio_tasmota_cenv_sample.ini
@@ -6,20 +6,22 @@ build_flags  = ${common.build_flags}
 
 [core]
 ; Activate (by removing the ";" in the next lines) if you want to override the standard core defined in platformio.ini !!!
+;platform                    = ${core_stage.platform}
 ;platform_packages           = ${core_stage.platform_packages}
 ;build_unflags               = ${core_stage.build_unflags}
 ;build_flags                 = ${core_stage.build_flags}
 
 [core_stage]
 ; *** Esp8266 core for Arduino version stage
-platform_packages           = framework-arduinoespressif8266 @ https://github.com/tasmota/Arduino.git#3.0.0.1
+platform                    = espressif8266 @ 3.0.0
+platform_packages           =
 ; *** Use Xtensa build chain 10.2. GNU23 from https://github.com/earlephilhower/esp-quick-toolchain
                               tasmota/toolchain-xtensa @ 5.100200.210303
 build_unflags               = ${esp_defaults.build_unflags}
                               -Wswitch-unreachable
 build_flags                 = ${esp82xx_defaults.build_flags}
 ; *** 16k extra heap https://github.com/esp8266/Arduino/pull/7060
-                              ;-DPIO_FRAMEWORK_MMU__16KB_CACHE__48KB_IRAM
+                              -D PIO_FRAMEWORK_ARDUINO_MMU_CACHE16_IRAM48_SECHEAP_SHARED
                               -Wno-switch-unreachable