v1.1.3 to fix invalid "blank" or NULL Config Data treated as Valid

### Release v1.1.3

1. Fix invalid "blank" or NULL Config Data treated as Valid. Check [WiFiManager connection attempt to unconfigured ("blank") SSID after restart on SAMD #8](khoih-prog/WiFiManager_NINA_Lite#8)
2. Fix compiler warnings.

README.md

@@ -16,6 +16,7 @@
   * [Currently supported Boards](#currently-supported-boards)
   * [Currently supported WiFi shields/modules](#currently-supported-wifi-shieldsmodules)
 * [Changelog](#changelog)
+  * [Release v1.1.3](#release-v113)
   * [Release v1.1.2](#release-v112)
   * [Major Release v1.1.0](#major-release-v110)
   * [Release v1.0.2](#release-v102)
@@ -178,6 +179,11 @@ This [**WiFiManager_Generic_Lite** library](https://github.com/khoih-prog/WiFiMa
 
 ## Changelog
 
+### Release v1.1.3
+
+1. Fix invalid "blank" or NULL Config Data treated as Valid. Check [WiFiManager connection attempt to unconfigured ("blank") SSID after restart on SAMD #8](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/8)
+2. Fix compiler warnings.
+
 ### Release v1.1.2
 
 1. Fix MultiWiFi connection bug. Check [SAMD MultiWiFi issues when first WiFi SSID configured in CP is invalid or not available #6](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/6)
@@ -216,11 +222,11 @@ This [**WiFiManager_Generic_Lite** library](https://github.com/khoih-prog/WiFiMa
  3. [`Teensy core 1.51`](https://www.pjrc.com/teensy/td_download.html) for Teensy (4.1, 4.0, 3.6, 3.5, 3,2, 3.1, 3.0, LC) boards
  4. [`Arduino SAM DUE core 1.6.12+`](https://github.com/arduino/ArduinoCore-sam) for SAM DUE ARM Cortex-M3 boards
  5. [`Arduino SAMD core 1.8.11+`](https://www.arduino.cc/en/Guide/ArduinoM0) for SAMD ARM Cortex-M0+ boards. [![GitHub release](https://img.shields.io/github/release/arduino/ArduinoCore-samd.svg)](https://github.com/arduino/ArduinoCore-samd/releases/latest)
- 6. [`Adafruit SAMD core 1.6.5+`](https://www.adafruit.com/) for SAMD ARM Cortex-M0+ and M4 boards (Nano 33 IoT, etc.). [![GitHub release](https://img.shields.io/github/release/adafruit/ArduinoCore-samd.svg)](https://github.com/adafruit/ArduinoCore-samd/releases/latest)
+ 6. [`Adafruit SAMD core 1.6.7+`](https://www.adafruit.com/) for SAMD ARM Cortex-M0+ and M4 boards (Nano 33 IoT, etc.). [![GitHub release](https://img.shields.io/github/release/adafruit/ArduinoCore-samd.svg)](https://github.com/adafruit/ArduinoCore-samd/releases/latest)
  7. [`Seeeduino SAMD core 1.8.1+`](https://github.com/Seeed-Studio/ArduinoCore-samd) for SAMD21/SAMD51 boards (XIAO M0, Wio Terminal, etc.). [![Latest release](https://img.shields.io/github/release/Seeed-Studio/ArduinoCore-samd.svg)](https://github.com/Seeed-Studio/ArduinoCore-samd/releases/latest/)
  8. [`Adafruit nRF52 v0.21.0+`](https://www.adafruit.com) for nRF52 boards such as Adafruit NRF52840_FEATHER, NRF52832_FEATHER, NRF52840_FEATHER_SENSE, NRF52840_ITSYBITSY, NRF52840_CIRCUITPLAY, NRF52840_CLUE, NRF52840_METRO, NRF52840_PCA10056, PARTICLE_XENON, **NINA_B302_ublox**, etc. [![GitHub release](https://img.shields.io/github/release/adafruit/Adafruit_nRF52_Arduino.svg)](https://github.com/adafruit/Adafruit_nRF52_Arduino/releases/latest)
  9. [`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)
-10. [`WiFiNINA_Generic library v1.8.2+`](https://github.com/khoih-prog/WiFiNINA_Generic). To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/WiFiNINA_Generic.svg?)](https://www.ardu-badge.com/WiFiNINA_Generic)
+10. [`WiFiNINA_Generic library v1.8.5+`](https://github.com/khoih-prog/WiFiNINA_Generic). To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/WiFiNINA_Generic.svg?)](https://www.ardu-badge.com/WiFiNINA_Generic)
 11. [`WiFiWebServer library v1.1.1+`](https://github.com/khoih-prog/WiFiWebServer). To install. check [![arduino-library-badge](https://www.ardu-badge.com/badge/WiFiWebServer.svg?)](https://www.ardu-badge.com/WiFiWebServer)
 12. [`ESP8266_AT_WebServer library v1.1.2+`](https://github.com/khoih-prog/ESP8266_AT_WebServer) to be able to support ESP32-AT shields. To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/ESP8266_AT_WebServer.svg?)](https://www.ardu-badge.com/ESP8266_AT_WebServer)
 13. [`ESP_AT_Lib library v1.0.0+`](https://github.com/khoih-prog/ESP_AT_Lib) if using ESP8288/ESP32-AT shields. To install, check [![arduino-library-badge](https://www.ardu-badge.com/badge/ESP_AT_Lib.svg?)](https://www.ardu-badge.com/ESP_AT_Lib).
@@ -358,11 +364,11 @@ Whenever the above-mentioned compiler error issue is fixed with the new Arduino
 
 #### 5. For Adafruit SAMD boards
 
- ***To be able to automatically detect and display BOARD_NAME on Adafruit SAMD (Itsy-Bitsy M4, etc) boards***, you have to copy the file [Adafruit SAMD platform.txt](Packages_Patches/adafruit/hardware/samd/1.6.5) into Adafruit samd directory (~/.arduino15/packages/adafruit/hardware/samd/1.6.5). 
+ ***To be able to automatically detect and display BOARD_NAME on Adafruit SAMD (Itsy-Bitsy M4, etc) boards***, you have to copy the file [Adafruit SAMD platform.txt](Packages_Patches/adafruit/hardware/samd/1.6.6) into Adafruit samd directory (~/.arduino15/packages/adafruit/hardware/samd/1.6.6). 
 
-Supposing the Adafruit SAMD core version is 1.6.5. This file must be copied into the directory:
+Supposing the Adafruit SAMD core version is 1.6.6. This file must be copied into the directory:
 
-- `~/.arduino15/packages/adafruit/hardware/samd/1.6.5/platform.txt`
+- `~/.arduino15/packages/adafruit/hardware/samd/1.6.6/platform.txt`
 
 Whenever a new version is installed, remember to copy this file into the new version directory. For example, new version is x.yy.zz
 This file must be copied into the directory:
@@ -1191,15 +1197,23 @@ void loop()
 
 /////////////////////////////////////////////
 
-// Force some params in Blynk, only valid for library version 1.0.1 and later
-#define TIMEOUT_RECONNECT_WIFI                    10000L
+// Permit running CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET times before reset hardware
+// to permit user another chance to config. Only if Config Data is valid.
+// If Config Data is invalid, this has no effect as Config Portal will persist
 #define RESET_IF_CONFIG_TIMEOUT                   true
+
+// Permitted range of user-defined RETRY_TIMES_RECONNECT_WIFI between 2-5 times
+#define RETRY_TIMES_RECONNECT_WIFI                3
+
+// Permitted range of user-defined CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET between 2-100
 #define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
 
-// Config Timeout 120s (default 60s)
-#define CONFIG_TIMEOUT                            120000L
+// Config Timeout 120s (default 60s). Applicable only if Config Data is Valid
+#define CONFIG_TIMEOUT                      120000L
 
-#define USE_DYNAMIC_PARAMETERS                    true
+#define USE_DYNAMIC_PARAMETERS              true
+
+/////////////////////////////////////////////
 
 #if (USE_WIFI_CUSTOM && USE_ESP_AT_SHIELD)
   // ESP-AT can use longer than 2K HTML and DYNAMIC_PARAMETERS
@@ -1383,7 +1397,7 @@ This is the terminal output when running [**SAMD_WiFi**](examples/SAMD_WiFi) exa
 
 ```
 Start SAMD_WiFi on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
-WiFiManager_Generic_Lite v1.1.2
+WiFiManager_Generic_Lite v1.1.3
 [WG] Hostname=SAMD-Master-Controller
 Flag read = 0xffffffff
 No doubleResetDetected
@@ -1484,7 +1498,7 @@ FFFFFFFFF
 
 ```
 Start SAMD_WiFi on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
-WiFiManager_Generic_Lite v1.1.2
+WiFiManager_Generic_Lite v1.1.3
 [WG] Hostname=SAMD-Master-Controller
 Flag read = 0xd0d04321
 No doubleResetDetected
@@ -1548,7 +1562,7 @@ HHHHHHHHHH HHHHHHHHHH
 
 ```
 Start SAMD_WiFi on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
-WiFiManager_Generic_Lite v1.1.2
+WiFiManager_Generic_Lite v1.1.3
 [WG] Hostname=SAMD-Master-Controller
 Flag read = 0xd0d04321
 No doubleResetDetected
@@ -1612,7 +1626,7 @@ FF
 
 ```
 Start SAMD_WiFi on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
-WiFiManager_Generic_Lite v1.1.2
+WiFiManager_Generic_Lite v1.1.3
 [WG] Hostname=SAMD-Master-Controller
 Flag read = 0xd0d04321
 No doubleResetDetected
@@ -1668,7 +1682,7 @@ HHHHHHHHH HHHHHHHHHH
 
 ```
 Start SAMD_WiFi on SAMD_NANO_33_IOT with WiFiNINA using WiFiNINA_Generic Library
-WiFiManager_Generic_Lite v1.1.2
+WiFiManager_Generic_Lite v1.1.3
 [WG] Hostname=SAMD-Master-Controller
 Flag read = 0xd0d01234
 doubleResetDetected
@@ -1743,6 +1757,11 @@ Sometimes, the library will only work if you update the `Generic WiFi module/shi
 
 ## Releases
 
+### Release v1.1.3
+
+1. Fix invalid "blank" or NULL Config Data treated as Valid. Check [WiFiManager connection attempt to unconfigured ("blank") SSID after restart on SAMD #8](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/8)
+2. Fix compiler warnings.
+
 ### Release v1.1.2
 
 1. Fix MultiWiFi connection bug. Check [SAMD MultiWiFi issues when first WiFi SSID configured in CP is invalid or not available #6](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/6)
@@ -1819,7 +1838,10 @@ Submit issues to: [WiFiManager_Generic_Lite issues](https://github.com/khoih-pro
 Please help contribute to this project and add your name here.
 
 1. Thanks to [Max Gerhardt in GitHub](https://github.com/maxgerhardt) and [in PIO](https://community.platformio.org/u/maxgerhardt) for the useful fix [**attachInterrupt() on wifi101 unidentified**](https://community.platformio.org/t/attachinterrupt-on-wifi101-unidentified/17543) to enable STM32F/L/H/G/WB/MP1 using ATWINC1500/WiFi101, leading to new v1.0.2
-2. Thanks to [Michael "bizprof"](https://github.com/bizprof) to report bug in [SAMD MultiWiFi issues when first WiFi SSID configured in CP is invalid or not available #6](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/6) leading to v1.1.2.
+2. Thanks to [Michael "bizprof"](https://github.com/bizprof) to report bugs in 
+  - [SAMD MultiWiFi issues when first WiFi SSID configured in CP is invalid or not available #6](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/6) leading to v1.1.2.
+  - [WiFiManager connection attempt to unconfigured ("blank") SSID after restart on SAMD #8](https://github.com/khoih-prog/WiFiManager_NINA_Lite/issues/8) leading to v1.1.3.
+
 
 <table>
   <tr>

examples/MKR1000_WiFi101/MKR1000_WiFi101.ino

@@ -8,7 +8,7 @@
   
   Built by Khoi Hoang https://github.com/khoih-prog/WiFiManager_Generic_Lite
   Licensed under MIT license
-  Version: 1.1.2
+  Version: 1.1.3
 
   Version Modified By   Date        Comments
   ------- -----------  ----------   -----------
@@ -18,6 +18,7 @@
   1.1.0   K Hoang      21/02/2021  Optimize code and use better FlashStorage_SAMD and FlashStorage_STM32. 
                                    Add customs HTML header feature. Fix bug.
   1.1.2   K Hoang      30/03/2021  Fix MultiWiFi connection bug.
+  1.1.3   K Hoang      12/04/2021  Fix invalid "blank" Config Data treated as Valid.
   *****************************************************************************************************************************/
 
 #include "defines.h"

examples/MKR1000_WiFi101/defines.h

@@ -71,16 +71,24 @@
 
 /////////////////////////////////////////////
 
-// Force some params in Blynk, only valid for library version 1.0.1 and later
-#define TIMEOUT_RECONNECT_WIFI                    10000L
+// Permit running CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET times before reset hardware
+// to permit user another chance to config. Only if Config Data is valid.
+// If Config Data is invalid, this has no effect as Config Portal will persist
 #define RESET_IF_CONFIG_TIMEOUT                   true
+
+// Permitted range of user-defined RETRY_TIMES_RECONNECT_WIFI between 2-5 times
+#define RETRY_TIMES_RECONNECT_WIFI                3
+
+// Permitted range of user-defined CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET between 2-100
 #define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
 
-// Config Timeout 120s (default 60s)
-#define CONFIG_TIMEOUT                            120000L
+// Config Timeout 120s (default 60s). Applicable only if Config Data is Valid
+#define CONFIG_TIMEOUT                      120000L
 
 #define USE_DYNAMIC_PARAMETERS              true
 
+/////////////////////////////////////////////
+
 #include <WiFiManager_Generic_Lite_SAMD.h>
 
 #define HOST_NAME   "SAMD-Master-Controller"

examples/MKR1000_WiFi101_MQTT/MKR1000_WiFi101_MQTT.ino

@@ -8,7 +8,7 @@
   
   Built by Khoi Hoang https://github.com/khoih-prog/WiFiManager_Generic_Lite
   Licensed under MIT license
-  Version: 1.1.2
+  Version: 1.1.3
 
   Version Modified By   Date        Comments
   ------- -----------  ----------   -----------
@@ -18,6 +18,7 @@
   1.1.0   K Hoang      21/02/2021  Optimize code and use better FlashStorage_SAMD and FlashStorage_STM32. 
                                    Add customs HTML header feature. Fix bug.
   1.1.2   K Hoang      30/03/2021  Fix MultiWiFi connection bug.
+  1.1.3   K Hoang      12/04/2021  Fix invalid "blank" Config Data treated as Valid.
   *****************************************************************************************************************************/
 /****************************************************************************************************************************
   You have to modify file ./libraries/Adafruit_MQTT_Library/Adafruit_MQTT.cpp as follows to avoid dtostrf error, if exists

examples/MKR1000_WiFi101_MQTT/defines.h

@@ -71,16 +71,24 @@
 
 /////////////////////////////////////////////
 
-// Force some params in Blynk, only valid for library version 1.0.1 and later
-#define TIMEOUT_RECONNECT_WIFI                    10000L
+// Permit running CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET times before reset hardware
+// to permit user another chance to config. Only if Config Data is valid.
+// If Config Data is invalid, this has no effect as Config Portal will persist
 #define RESET_IF_CONFIG_TIMEOUT                   true
+
+// Permitted range of user-defined RETRY_TIMES_RECONNECT_WIFI between 2-5 times
+#define RETRY_TIMES_RECONNECT_WIFI                3
+
+// Permitted range of user-defined CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET between 2-100
 #define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
 
-// Config Timeout 120s (default 60s)
-#define CONFIG_TIMEOUT                            120000L
+// Config Timeout 120s (default 60s). Applicable only if Config Data is Valid
+#define CONFIG_TIMEOUT                      120000L
 
 #define USE_DYNAMIC_PARAMETERS              true
 
+/////////////////////////////////////////////
+
 #include <WiFiManager_Generic_Lite_SAMD.h>
 
 #define HOST_NAME   "SAMD-MQTT-Controller"

examples/SAMD_WiFi/SAMD_WiFi.ino

@@ -8,7 +8,7 @@
   
   Built by Khoi Hoang https://github.com/khoih-prog/WiFiManager_Generic_Lite
   Licensed under MIT license
-  Version: 1.1.2
+  Version: 1.1.3
 
   Version Modified By   Date        Comments
   ------- -----------  ----------   -----------
@@ -18,6 +18,7 @@
   1.1.0   K Hoang      21/02/2021  Optimize code and use better FlashStorage_SAMD and FlashStorage_STM32. 
                                    Add customs HTML header feature. Fix bug.
   1.1.2   K Hoang      30/03/2021  Fix MultiWiFi connection bug.
+  1.1.3   K Hoang      12/04/2021  Fix invalid "blank" Config Data treated as Valid.
   *****************************************************************************************************************************/
 
 #include "defines.h"

examples/SAMD_WiFi/defines.h

@@ -208,15 +208,23 @@
 
 /////////////////////////////////////////////
 
-// Force some params in Blynk, only valid for library version 1.0.1 and later
-#define TIMEOUT_RECONNECT_WIFI                    10000L
+// Permit running CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET times before reset hardware
+// to permit user another chance to config. Only if Config Data is valid.
+// If Config Data is invalid, this has no effect as Config Portal will persist
 #define RESET_IF_CONFIG_TIMEOUT                   true
+
+// Permitted range of user-defined RETRY_TIMES_RECONNECT_WIFI between 2-5 times
+#define RETRY_TIMES_RECONNECT_WIFI                3
+
+// Permitted range of user-defined CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET between 2-100
 #define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
 
-// Config Timeout 120s (default 60s)
-#define CONFIG_TIMEOUT                            120000L
+// Config Timeout 120s (default 60s). Applicable only if Config Data is Valid
+#define CONFIG_TIMEOUT                      120000L
 
-#define USE_DYNAMIC_PARAMETERS                    true
+#define USE_DYNAMIC_PARAMETERS              true
+
+/////////////////////////////////////////////
 
 #if (USE_WIFI_CUSTOM && USE_ESP_AT_SHIELD)
   // ESP-AT can use longer than 2K HTML and DYNAMIC_PARAMETERS

examples/SAMD_WiFi_MQTT/SAMD_WiFi_MQTT.ino

@@ -8,7 +8,7 @@
   
   Built by Khoi Hoang https://github.com/khoih-prog/WiFiManager_Generic_Lite
   Licensed under MIT license
-  Version: 1.1.2
+  Version: 1.1.3
 
   Version Modified By   Date        Comments
   ------- -----------  ----------   -----------
@@ -18,6 +18,7 @@
   1.1.0   K Hoang      21/02/2021  Optimize code and use better FlashStorage_SAMD and FlashStorage_STM32. 
                                    Add customs HTML header feature. Fix bug.
   1.1.2   K Hoang      30/03/2021  Fix MultiWiFi connection bug.
+  1.1.3   K Hoang      12/04/2021  Fix invalid "blank" Config Data treated as Valid.
   *****************************************************************************************************************************/
 /****************************************************************************************************************************
   You have to modify file ./libraries/Adafruit_MQTT_Library/Adafruit_MQTT.cpp as follows to avoid dtostrf error, if exists

examples/SAMD_WiFi_MQTT/defines.h

@@ -221,15 +221,23 @@
 
 /////////////////////////////////////////////
 
-// Force some params in Blynk, only valid for library version 1.0.1 and later
-#define TIMEOUT_RECONNECT_WIFI                    10000L
+// Permit running CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET times before reset hardware
+// to permit user another chance to config. Only if Config Data is valid.
+// If Config Data is invalid, this has no effect as Config Portal will persist
 #define RESET_IF_CONFIG_TIMEOUT                   true
+
+// Permitted range of user-defined RETRY_TIMES_RECONNECT_WIFI between 2-5 times
+#define RETRY_TIMES_RECONNECT_WIFI                3
+
+// Permitted range of user-defined CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET between 2-100
 #define CONFIG_TIMEOUT_RETRYTIMES_BEFORE_RESET    5
 
-// Config Timeout 120s (default 60s)
-#define CONFIG_TIMEOUT                            120000L
+// Config Timeout 120s (default 60s). Applicable only if Config Data is Valid
+#define CONFIG_TIMEOUT                      120000L
 
-#define USE_DYNAMIC_PARAMETERS                    true
+#define USE_DYNAMIC_PARAMETERS              true
+
+/////////////////////////////////////////////
 
 #if (USE_WIFI_CUSTOM && USE_ESP_AT_SHIELD)
   // ESP-AT can use longer than 2K HTML and DYNAMIC_PARAMETERS

examples/SAM_DUE_WiFi/SAM_DUE_WiFi.ino

@@ -8,7 +8,7 @@
   
   Built by Khoi Hoang https://github.com/khoih-prog/WiFiManager_Generic_Lite
   Licensed under MIT license
-  Version: 1.1.2
+  Version: 1.1.3
 
   Version Modified By   Date        Comments
   ------- -----------  ----------   -----------
@@ -18,6 +18,7 @@
   1.1.0   K Hoang      21/02/2021  Optimize code and use better FlashStorage_SAMD and FlashStorage_STM32. 
                                    Add customs HTML header feature. Fix bug.
   1.1.2   K Hoang      30/03/2021  Fix MultiWiFi connection bug.
+  1.1.3   K Hoang      12/04/2021  Fix invalid "blank" Config Data treated as Valid.
   *****************************************************************************************************************************/
 #include "defines.h"
 #include "Credentials.h"