v1.3.1 to fix String-related bug

### Releases v1.3.1

1. Fix bug related to String in examples

Author: khoih-prog

CONTRIBUTING.md

@@ -14,7 +14,7 @@ If you don't find anything, please [open a new issue](https://github.com/khoih-p
 
 Please ensure to specify the following:
 
-* Arduino IDE version (e.g. 1.8.18) or Platform.io version
+* Arduino IDE version (e.g. 1.8.19) or Platform.io version
 * Board Core Version (e.g. STM32F7 Nucleo-144 NUCLEO_F767ZI, STM32 core v2.2.0, etc.)
 * Contextual information (e.g. what you were trying to achieve)
 * Simplest possible steps to reproduce
@@ -26,7 +26,7 @@ Please ensure to specify the following:
 ### Example
 
 ```
-Arduino IDE version: 1.8.18
+Arduino IDE version: 1.8.19
 STM32F7 Nucleo-144 NUCLEO_F767ZI, STM32 core v2.2.0
 OS: Ubuntu 20.04 LTS
 Linux xy-Inspiron-3593 5.4.0-91-generic #102-Ubuntu SMP Fri Nov 5 16:31:28 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

README.md

@@ -267,7 +267,7 @@ Check [`EthernetWebServer Library Issue: Support for STM32F Series`](https://git
 
 ## Prerequisites
 
- 1. [`Arduino IDE 1.8.18+` for Arduino](https://www.arduino.cc/en/Main/Software)
+ 1. [`Arduino IDE 1.8.19+` for Arduino](https://github.com/arduino/Arduino). [![GitHub release](https://img.shields.io/github/release/arduino/Arduino.svg)](https://github.com/arduino/Arduino/releases/latest)
  2. [`Arduino Core for STM32 v2.2.0+`](https://github.com/stm32duino/Arduino_Core_STM32) for STM32 boards. [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest)
  3.  [`Functional-VLPP library v1.0.2+`](https://github.com/khoih-prog/functional-vlpp) to use server's lambda function. To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/Functional-Vlpp.svg?)](https://www.ardu-badge.com/Functional-Vlpp)
  4. For built-in LAN8742A or LAN8720 Ethernet:
@@ -979,7 +979,7 @@ void handleRoot()
 {
   digitalWrite(led, 1);
 
-#define BUFFER_SIZE     400
+#define BUFFER_SIZE     512
 
   char temp[BUFFER_SIZE];
   int sec = millis() / 1000;
@@ -1032,21 +1032,25 @@ void handleNotFound()
   digitalWrite(led, 0);
 }
 
-#if (defined(ETHERNET_WEBSERVER_STM32_VERSION_INT) && (ETHERNET_WEBSERVER_STM32_VERSION_INT >= 1003000))
-
-EWString initHeader = "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n" \
-                      "<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"3\" stroke=\"rgb(0, 0, 0)\" />\n" \
-                      "<g stroke=\"blue\">\n";
+#define ORIGINAL_STR_LEN        2048
 
 void drawGraph()
 {
-  EWString out;
-  
-  out.reserve(3000);
+  static String out;
+  static uint16_t previousStrLen = ORIGINAL_STR_LEN;
+
+  if (out.length() == 0)
+  {
+    ET_LOGWARN1(F("String Len = 0, extend to"), ORIGINAL_STR_LEN);
+    out.reserve(ORIGINAL_STR_LEN);
+  }
+
+  out = F( "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n" \
+           "<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"3\" stroke=\"rgb(0, 0, 0)\" />\n" \
+           "<g stroke=\"blue\">\n");
+
   char temp[70];
 
-  out += initHeader;
-  
   int y = rand() % 130;
 
   for (int x = 10; x < 300; x += 10)
@@ -1056,37 +1060,25 @@ void drawGraph()
     out += temp;
     y = y2;
   }
-  out += "</g>\n</svg>\n";
+  
+  out += F("</g>\n</svg>\n");
 
-  server.send(200, "image/svg+xml", fromEWString(out));
-}
+  ET_LOGDEBUG1(F("String Len = "), out.length());
 
-#else
-
-void drawGraph()
-{
-  String out;
-  out.reserve(3000);
-  char temp[70];
-  out += "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" width=\"310\" height=\"150\">\n";
-  out += "<rect width=\"310\" height=\"150\" fill=\"rgb(250, 230, 210)\" stroke-width=\"1\" stroke=\"rgb(0, 0, 0)\" />\n";
-  out += "<g stroke=\"black\">\n";
-  int y = rand() % 130;
+  if (out.length() > previousStrLen)
+  {
+    ET_LOGERROR3(F("String Len > "), previousStrLen, F(", extend to"), out.length() + 48);
 
-  for (int x = 10; x < 300; x += 10)
+    previousStrLen = out.length() + 48;
+    
+    out.reserve(previousStrLen);
+  }
+  else
   {
-    int y2 = rand() % 130;
-    sprintf(temp, "<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" stroke-width=\"1\" />\n", x, 140 - y, x + 10, 140 - y2);
-    out += temp;
-    y = y2;
+    server.send(200, "image/svg+xml", out);
   }
-  out += "</g>\n</svg>\n";
-
-  server.send(200, "image/svg+xml", out);
 }
 
-#endif
-
 void setup()
 {
   pinMode(led, OUTPUT);
@@ -1375,7 +1367,7 @@ Following is debug terminal output and screen shot when running example [Advance
 
 ```
 Start AdvancedWebServer on NUCLEO_F767ZI, using LAN8742A Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 HTTP EthernetWebServer is @ IP : 192.168.2.117
 EthernetWebServer::handleClient: New Client
 method:  GET
@@ -1499,7 +1491,7 @@ The following is debug terminal output when running example [WebClientRepeating]
 
 ```
 Start WebClientRepeating on NUCLEO_F767ZI, using ENC28J60 & EthernetENC Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] Board : NUCLEO_F767ZI , setCsPin: 10
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1574,7 +1566,7 @@ The following is debug terminal output when running example [UdpNTPClient](examp
 
 ```
 Start UdpNTPClient on NUCLEO_F767ZI, using W5x00 & Ethernet2 Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] Board : NUCLEO_F767ZI , setCsPin: 10
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1598,7 +1590,7 @@ The terminal output of **STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A Ethernet
 
 ```
 Starting SimpleWebSocket on NUCLEO_F767ZI with LAN8742A Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] =========================
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1643,7 +1635,7 @@ The terminal output of **STM32F7 Nucleo-144 NUCLEO_F767ZI with W5x00 & Ethernet3
 
 ```
 Starting SimpleWebSocket on NUCLEO_F767ZI with W5x00 & Ethernet3 Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] =========== USE_ETHERNET3 ===========
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1695,7 +1687,7 @@ The terminal output of **STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A Ethernet
 
 ```
 Starting SimpleHTTPExample on NUCLEO_F767ZI with LAN8742A Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] =========================
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1768,7 +1760,7 @@ The terminal output of **STM32F7 Nucleo-144 NUCLEO_F767ZI with LAN8742A Ethernet
 
 ```
 Start MQTTClient_Auth on NUCLEO_F767ZI with LAN8742A Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] =========================
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1807,7 +1799,7 @@ The terminal output of **STM32F7 Nucleo-144 NUCLEO_F767ZI with ENC28J60 & Ethern
 
 ```
 Start MQTTClient_Auth on NUCLEO_F767ZI with ENC28J60 & EthernetENC Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] =========== USE_ETHERNET_ENC ===========
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1846,7 +1838,7 @@ The terminal output of **STM32F7 Nucleo-144 NUCLEO_F767ZI with W5x00 & Ethernet2
 
 ```
 Start MQTTClient_Auth on NUCLEO_F767ZI with W5x00 & Ethernet2 Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 [ETHERNET_WEBSERVER] =========== USE_ETHERNET2 ===========
 [ETHERNET_WEBSERVER] Default SPI pinout:
 [ETHERNET_WEBSERVER] MOSI: 11
@@ -1880,7 +1872,7 @@ The terminal output of **STM32F4 BLACK_F407VE with LAN8720 Ethernet and STM32Eth
 
 ```
 Starting SimpleWebSocket_LAN8720 on BLACK_F407VE with LAN8720 Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 Using mac index = 6
 Connected! IP address: 192.168.2.138
 starting WebSocket client
@@ -1905,7 +1897,7 @@ The terminal output of **BLACK_F407VE using LAN8720 Ethernet and STM32Ethernet L
 
 ```
 Start WebClient_LAN8720 on BLACK_F407VE, using LAN8720 Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
+EthernetWebServer_STM32 v1.3.1
 You're connected to the network, IP = 192.168.2.139
 
 Starting connection to server...
@@ -1978,9 +1970,9 @@ Following is debug terminal output and screen shot when running example [Advance
 
 ```
 Start AdvancedWebServer_LAN8720 on BLACK_F407VE, using LAN8720 Ethernet & STM32Ethernet Library
-EthernetWebServer_STM32 v1.3.0
-HTTP EthernetWebServer is @ IP : 192.168.2.138
-
+EthernetWebServer_STM32 v1.3.1
+.[EWS] String Len = 0, extend to 2048
+......... .......... .......... .......... .......... .......... .......... ..........
 ```
 
 ---

changelog.md

@@ -12,6 +12,7 @@
 ## Table of Contents
 
 * [Changelog](#changelog)
+  * [Releases v1.3.1](#releases-v131)
   * [Major Releases v1.3.0](#major-releases-v130)
   * [Releases v1.2.1](#releases-v121)
   * [Releases v1.2.0](#releases-v120)
@@ -29,6 +30,10 @@
 
 ## Changelog
 
+### Releases v1.3.1
+
+1. Fix bug related to String in examples
+
 ### Major Releases v1.3.0
 
 1. Reduce usage of Arduino String with std::string

library.json

@@ -1,6 +1,6 @@
 {
   "name": "EthernetWebServer_STM32",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "keywords": "WebServer, built-in-Ethernet, STM32F, STM32L, STM32H, STM32G, STM32WB, STM32MP1, Ethernet-shield, Nucleo-144, Nucleo-64, Nucleo-32, LAN8742A, LAN8720, ENC28J60, W5x00, W5500, W5100, Ethernet, Ethernet2, Ethernet3, EthernetLarge, EtnernetENC, UIPEthernet, HTTP-Client, WebSocket-Client, server, client, websocket",
   "description": "Simple Ethernet WebServer, HTTP Client and WebSocket Client library for STM32F/L/H/G/WB/MP1 boards running built-in Ethernet LAN8742A, LAN8720 or Ethernet W5x00, ENC28J60 shields",
   "authors":

library.properties

@@ -1,5 +1,5 @@
 name=EthernetWebServer_STM32
-version=1.3.0
+version=1.3.1
 author=Khoi Hoang
 license=MIT
 maintainer=Khoi Hoang <khoih.prog@gmail.com>

src/EthernetHttpClient_STM32.h

@@ -12,7 +12,7 @@
   @file       Esp8266WebServer.h
   @author     Ivan Grokhotkov
 
-  Version: 1.3.0
+  Version: 1.3.1
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -29,6 +29,7 @@
   1.2.0   K Hoang      11/04/2021 Add support to LAN8720 using STM32F4 or STM32F7
   1.2.1   K Hoang      04/10/2021 Change option for PIO `lib_compat_mode` from default `soft` to `strict`. Update Packages Patches
   1.3.0   K Hoang      20/12/2021 Reduce usage of Arduino String with std::string. Use reference passing instead of value-passing
+  1.3.1   K Hoang      25/12/2021 Fix bug
  *************************************************************************************************************************************/
 
 // Library to simplify HTTP fetching on Arduino

src/EthernetWebServer_STM32-impl.h

@@ -12,7 +12,7 @@
   @file       Esp8266WebServer.h
   @author     Ivan Grokhotkov
 
-  Version: 1.3.0
+  Version: 1.3.1
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -29,6 +29,7 @@
   1.2.0   K Hoang      11/04/2021 Add support to LAN8720 using STM32F4 or STM32F7
   1.2.1   K Hoang      04/10/2021 Change option for PIO `lib_compat_mode` from default `soft` to `strict`. Update Packages Patches
   1.3.0   K Hoang      20/12/2021 Reduce usage of Arduino String with std::string. Use reference passing instead of value-passing
+  1.3.1   K Hoang      25/12/2021 Fix bug
  *************************************************************************************************************************************/
 
 #pragma once
@@ -460,9 +461,6 @@ void EthernetWebServer::_prepareHeader(String& response, int code, const char* c
   response = fromEWString(aResponse);
 
   _responseHeaders = String();
-  
-  //MR & KH fix
-  //_responseHeaders = *(new String());
 }
 
 void EthernetWebServer::_prepareHeader(EWString& response, int code, const char* content_type, size_t contentLength) 
@@ -505,9 +503,6 @@ void EthernetWebServer::_prepareHeader(EWString& response, int code, const char*
   response += RETURN_NEWLINE;
 
   _responseHeaders = String();
-  
-  //MR & KH fix
-  //_responseHeaders = *(new String());
 }
 
 void EthernetWebServer::send(int code, const char* content_type, const String& content)
@@ -885,9 +880,6 @@ void EthernetWebServer::_handleRequest()
   }
 
   _currentUri = String();
-  
-  //MR & KH fix
-  //_currentUri = *(new String());
 }
 
 void EthernetWebServer::_finalizeResponse() 

src/EthernetWebServer_STM32.h

@@ -12,7 +12,7 @@
   @file       Esp8266WebServer.h
   @author     Ivan Grokhotkov
 
-  Version: 1.3.0
+  Version: 1.3.1
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -29,6 +29,7 @@
   1.2.0   K Hoang      11/04/2021 Add support to LAN8720 using STM32F4 or STM32F7
   1.2.1   K Hoang      04/10/2021 Change option for PIO `lib_compat_mode` from default `soft` to `strict`. Update Packages Patches
   1.3.0   K Hoang      20/12/2021 Reduce usage of Arduino String with std::string. Use reference passing instead of value-passing
+  1.3.1   K Hoang      25/12/2021 Fix bug
  *************************************************************************************************************************************/
 
 #pragma once
@@ -57,13 +58,13 @@
 
 #endif
 
-#define ETHERNET_WEBSERVER_STM32_VERSION            "EthernetWebServer_STM32 v1.3.0"
+#define ETHERNET_WEBSERVER_STM32_VERSION            "EthernetWebServer_STM32 v1.3.1"
 
 #define ETHERNET_WEBSERVER_STM32_VERSION_MAJOR      1
 #define ETHERNET_WEBSERVER_STM32_VERSION_MINOR      3
-#define ETHERNET_WEBSERVER_STM32_VERSION_PATCH      0
+#define ETHERNET_WEBSERVER_STM32_VERSION_PATCH      1
 
-#define ETHERNET_WEBSERVER_STM32_VERSION_INT        1003000
+#define ETHERNET_WEBSERVER_STM32_VERSION_INT        1003001
 
 #define USE_NEW_WEBSERVER_VERSION     true
 

src/Ethernet_HTTPClient/Ethernet_HttpClient.cpp

@@ -12,7 +12,7 @@
   @file       Esp8266WebServer.h
   @author     Ivan Grokhotkov
 
-  Version: 1.3.0
+  Version: 1.3.1
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -29,6 +29,7 @@
   1.2.0   K Hoang      11/04/2021 Add support to LAN8720 using STM32F4 or STM32F7
   1.2.1   K Hoang      04/10/2021 Change option for PIO `lib_compat_mode` from default `soft` to `strict`. Update Packages Patches
   1.3.0   K Hoang      20/12/2021 Reduce usage of Arduino String with std::string. Use reference passing instead of value-passing
+  1.3.1   K Hoang      25/12/2021 Fix bug
  *************************************************************************************************************************************/
 
 // Class to simplify HTTP fetching on Arduino

src/Ethernet_HTTPClient/Ethernet_HttpClient.h

@@ -12,7 +12,7 @@
   @file       Esp8266WebServer.h
   @author     Ivan Grokhotkov
 
-  Version: 1.3.0
+  Version: 1.3.1
 
   Version Modified By   Date      Comments
   ------- -----------  ---------- -----------
@@ -29,6 +29,7 @@
   1.2.0   K Hoang      11/04/2021 Add support to LAN8720 using STM32F4 or STM32F7
   1.2.1   K Hoang      04/10/2021 Change option for PIO `lib_compat_mode` from default `soft` to `strict`. Update Packages Patches
   1.3.0   K Hoang      20/12/2021 Reduce usage of Arduino String with std::string. Use reference passing instead of value-passing
+  1.3.1   K Hoang      25/12/2021 Fix bug
  *************************************************************************************************************************************/
 
 // Class to simplify HTTP fetching on Arduino