change to use the new OTF library; bump up firmware version number

OpenGarage/defines.h

@@ -24,7 +24,7 @@
 #define _DEFINES_H
 
 /** Firmware version, hardware version, and maximal values */
-#define OG_FWV     120 // Firmware version: 120 means 1.2.0
+#define OG_FWV     122 // Firmware version: 122 means 1.2.2
 
 /** GPIO pins */
 #define PIN_RELAY  15 // D8 on nodemcu

OpenGarage/main.cpp

@@ -81,7 +81,8 @@ void otf_send_html_P(OTF::Response &res, const __FlashStringHelper *content) {
 	res.writeHeader(F("Access-Control-Allow-Origin"), F("*")); // from esp8266 2.4 this has to be sent explicitly
 	res.writeHeader(F("Content-Length"), strlen_P((char *) content));
 	res.writeHeader(F("Connection"), F("close"));
-	res.writeBodyChunk((char *) "%s", content);
+	//res.writeBodyChunk((char *) "%s", content);
+	res.writeBodyData(content, strlen_P((char*)content));
 	DEBUG_PRINT(strlen_P((char *) content));
 	DEBUG_PRINTLN(F(" bytes sent."));
 }
@@ -92,7 +93,8 @@ void otf_send_json(OTF::Response &res, String json) {
 	res.writeHeader(F("Access-Control-Allow-Origin"), F("*")); // from esp8266 2.4 this has to be sent explicitly
 	res.writeHeader(F("Content-Length"), json.length());
 	res.writeHeader(F("Connection"), F("close"));
-	res.writeBodyChunk((char *) "%s",json.c_str());
+	//res.writeBodyChunk((char *) "%s",json.c_str());
+	res.writeBodyData(json.c_str(), json.length());
 }
 
 void otf_send_result(OTF::Response &res, byte code, const char *item = NULL) {

OpenGarage/platformio.ini

@@ -3,7 +3,7 @@ src_dir = .
 include_dir = .
 
 [env:d1_mini]
-platform = espressif8266@2.6.3
+platform = espressif8266@4.2.1
 board = d1_mini
 framework = arduino
 lib_ldf_mode = deep
@@ -14,9 +14,8 @@ lib_deps =
     https://github.com/PaulStoffregen/OneWire/archive/refs/tags/v2.3.7.zip
     https://github.com/milesburton/Arduino-Temperature-Control-Library/archive/refs/tags/3.9.1.zip
     https://github.com/beegee-tokyo/DHTesp/archive/refs/tags/1.18.zip
-    https://github.com/OpenThingsIO/OpenThings-Framework-Firmware-Library/archive/refs/heads/master.zip
-    https://github.com/Links2004/arduinoWebSockets/archive/refs/tags/2.3.5.zip
+    https://github.com/OpenThingsIO/OpenThings-Framework-Firmware-Library @ ^0.2.0
 monitor_speed=115200
 board_build.flash_mode = dio
 upload_speed = 460800
-board_build.ldscript = eagle.flash.4m1m.ld
+board_build.ldscript = eagle.flash.4m1m.ld