esp8266 stage now in cenv

platformio_tasmota_cenv_sample.ini

@@ -4,7 +4,27 @@ build_flags  = ${common.build_flags}
                           -DUSE_ZIGBEE
                           -DUSE_UFILESYS
 
-; *** EXPERIMENTAL Tasmota version for ESP32-S2
+[core]
+; Activate (by removing the ";" in the next lines) if you want to override the standard core defined in platformio.ini !!!
+;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/esp8266/Arduino.git
+; *** 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}
+; *** Use ONE of the two PWM variants. Tasmota default is Locked PWM
+                              ;-DWAVEFORM_LOCKED_PHASE
+                              -DWAVEFORM_LOCKED_PWM
+                              -Wno-switch-unreachable
+
+
+;*** EXPERIMENTAL Tasmota version for ESP32-S2
 [env:tasmota32s2]
 extends                     = env:tasmota32_base
 board                       = esp32s2