From 8dbf29efdd1ed61dc974a06a770e56b1b0d7fbf2 Mon Sep 17 00:00:00 2001
From: arendst <mhtarends@gmail.com>
Date: Sat, 3 Feb 2018 16:36:25 +0100
Subject: [PATCH] Add platformio floats removal

---
 pio/strip-floats.py | 15 +++++++++++++++
 platformio.ini      | 12 +++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)
 create mode 100644 pio/strip-floats.py

diff --git a/pio/strip-floats.py b/pio/strip-floats.py
new file mode 100644
index 000000000..da916ebe2
--- /dev/null
+++ b/pio/strip-floats.py
@@ -0,0 +1,15 @@
+Import('env')
+
+#
+# Dump build environment (for debug)
+#print env.Dump()
+#
+
+flags = " ".join(env['LINKFLAGS'])
+flags = flags.replace("-u _printf_float", "")
+flags = flags.replace("-u _scanf_float", "")
+newflags = flags.split()
+
+env.Replace(
+  LINKFLAGS=newflags
+)
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index d15111700..ccd926298 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -29,6 +29,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -44,7 +45,7 @@ monitor_baud = 115200
 
 ; *** Upload file to OTA server using HTTP
 ;upload_port = domus1:80/api/upload-arduino.php
-;extra_scripts = pio/http-uploader.py
+;extra_scripts = pio/strip-floats.py, pio/http-uploader.py
 
 [env:sonoff-DE]
 platform = espressif8266
@@ -53,6 +54,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=de-DE
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -64,6 +66,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=es-AR
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -75,6 +78,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=fr-FR
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -86,6 +90,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=it-IT
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -97,6 +102,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=nl-NL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -108,6 +114,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=pl-PL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -119,6 +126,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMY_LANGUAGE=zh-CN
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; *** Serial Monitor options
 monitor_baud = 115200
@@ -130,6 +138,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DBE_MINIMAL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; Serial Monitor options
 monitor_baud = 115200
@@ -141,6 +150,7 @@ board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DUSE_DS18x20
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
+extra_scripts = pio/strip-floats.py
 
 ; Serial Monitor options
 monitor_baud = 115200