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v1.0.1
### New Version v1.0.1 1. Add support to ***nRF52 (AdaFruit Feather nRF52832, nRF52840 Express, BlueFruit Sense, Itsy-Bitsy nRF52840 Express, Metro nRF52840 Express, NINA_B302_ublox, NINA_B112_ublox, etc.)**. Credentials to be saved ***automatically in LittleFS***. 2. Improve support to ***STM32F**. Credentials to be saved ***automatically in EEPROM***. 3. Drop support to Teensy boards.
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‎README.md‎

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‎examples/AutoConnect/AutoConnect.ino‎

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@@ -1,109 +1,161 @@
11
/****************************************************************************************************************************
2-
* AutoConnect.ino
3-
* WiFi/Credentials Manager for Teensy, SAM DUE, SAMD, STM32, etc. boards running `ESP8266 AT-command` shields
4-
*
5-
* ESP_AT_WiFiManager is a library for the Teensy, SAM DUE, SAMD, STM32, etc. boards running `ESP8266 AT-command` shields
6-
* (https://github.com/esp8266/Arduino) to enable easy configuration and reconfiguration of WiFi, etc. credentials using a Captive Portal
7-
* inspired by:
8-
* http://www.esp8266.com/viewtopic.php?f=29&t=2520
9-
* https://github.com/chriscook8/esp-arduino-apboot
10-
* https://github.com/esp8266/Arduino/blob/master/libraries/DNSServer/examples/CaptivePortalAdvanced/
11-
*
12-
* Forked from Tzapu https://github.com/tzapu/WiFiManager
13-
* and from Ken Taylor https://github.com/kentaylor
14-
*
15-
* Built by Khoi Hoang https://github.com/khoih-prog/ESP_AT_WiFiManager
16-
* Licensed under MIT license
17-
* Version: 1.0.0
18-
*
19-
* Version Modified By Date Comments
20-
* ------- ----------- ---------- -----------
21-
* 1.0.0 K Hoang 08/03/2020 Initial coding
2+
AutoConnect.ino
3+
WiFi/Credentials Manager for Teensy, SAM DUE, SAMD, nRF52, STM32, etc. boards running `ESP8266/ESP32-AT-command` shields
4+
5+
ESP_AT_WiFiManager is a library for the Teensy, SAM DUE, SAMD, nRF52, STM32, etc. boards running `ESP8266/ESP32-AT-command` shields
6+
(https://github.com/esp8266/Arduino) to enable easy configuration and reconfiguration of WiFi, etc. credentials using a Captive Portal
7+
8+
Inspired by:
9+
http://www.esp8266.com/viewtopic.php?f=29&t=2520
10+
https://github.com/chriscook8/esp-arduino-apboot
11+
https://github.com/esp8266/Arduino/blob/master/libraries/DNSServer/examples/CaptivePortalAdvanced/
12+
13+
Based on and modified from Tzapu https://github.com/tzapu/WiFiManager
14+
and from Ken Taylor https://github.com/kentaylor
15+
16+
Built by Khoi Hoang https://github.com/khoih-prog/ESP_AT_WiFiManager
17+
Licensed under MIT license
18+
Version: 1.0.1
19+
20+
Version Modified By Date Comments
21+
------- ----------- ---------- -----------
22+
1.0.0 K Hoang 08/03/2020 Initial coding
23+
1.0.1 K Hoang 22/06/2020 Add support to nRF52 boards, such as AdaFruit Feather nRF52832, NINA_B30_ublox, etc.
2224
*****************************************************************************************************************************/
2325
#define _ESP_AT_LOGLEVEL_ 0
2426
#define DEBUG_WIFIMGR true //false
2527

2628
#if ( defined(STM32F0) || defined(STM32F1) || defined(STM32F2) || defined(STM32F3) ||defined(STM32F4) || defined(STM32F7) )
27-
#if defined(ESP8266_AT_USE_STM32)
28-
#undef ESP8266_AT_USE_STM32
29-
#endif
30-
#define ESP8266_AT_USE_STM32 true
29+
#if defined(STM32F0)
30+
#error STMF0 not supported
3131
#endif
32+
#if defined(ESP8266_AT_USE_STM32)
33+
#undef ESP8266_AT_USE_STM32
34+
#endif
35+
#define ESP8266_AT_USE_STM32 true
3236

33-
#if ( defined(ARDUINO_SAM_DUE) || defined(__SAM3X8E__) )
34-
#if defined(ESP8266_AT_USE_SAM_DUE)
35-
#undef ESP8266_AT_USE_SAM_DUE
36-
#endif
37-
#define ESP8266_AT_USE_SAM_DUE true
37+
#elif ( defined(ARDUINO_SAM_DUE) || defined(__SAM3X8E__) )
38+
#if defined(ESP8266_AT_USE_SAM_DUE)
39+
#undef ESP8266_AT_USE_SAM_DUE
3840
#endif
41+
#define ESP8266_AT_USE_SAM_DUE true
3942

40-
#if ( defined(ARDUINO_SAMD_ZERO) || defined(ARDUINO_SAMD_MKR1000) || defined(ARDUINO_SAMD_MKRWIFI1010) \
41-
|| defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_SAMD_MKRFox1200) || defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) \
42-
|| defined(ARDUINO_SAMD_MKRGSM1400) || defined(ARDUINO_SAMD_MKRNB1500) || defined(ARDUINO_SAMD_MKRVIDOR4000) || defined(__SAMD21G18A__) \
43-
|| defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS) )
44-
#if defined(ESP8266_AT_USE_SAMD)
45-
#undef ESP8266_AT_USE_SAMD
46-
#endif
47-
#define ESP8266_AT_USE_SAMD true
43+
#elif ( defined(ARDUINO_SAMD_ZERO) || defined(ARDUINO_SAMD_MKR1000) || defined(ARDUINO_SAMD_MKRWIFI1010) \
44+
|| defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_SAMD_MKRFox1200) || defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) \
45+
|| defined(ARDUINO_SAMD_MKRGSM1400) || defined(ARDUINO_SAMD_MKRNB1500) || defined(ARDUINO_SAMD_MKRVIDOR4000) || defined(__SAMD21G18A__) \
46+
|| defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS) || defined(__SAMD21E18A__) || defined(__SAMD51__) || defined(__SAMD51J20A__) || defined(__SAMD51J19A__) \
47+
|| defined(__SAMD51G19A__) || defined(__SAMD21G18A__) )
48+
#if defined(ESP8266_AT_USE_SAMD)
49+
#undef ESP8266_AT_USE_SAMD
4850
#endif
51+
#define ESP8266_AT_USE_SAMD true
4952

50-
#ifdef CORE_TEENSY
51-
// For Teensy 4.0
52-
#define EspSerial Serial2 //Serial2, Pin RX2 : 7, TX2 : 8
53-
#if defined(__IMXRT1062__)
54-
#define BOARD_TYPE "TEENSY 4.0"
55-
#elif ( defined(__MKL26Z64__) || defined(ARDUINO_ARCH_AVR) )
56-
#define BOARD_TYPE "TEENSY LC or 2.0"
57-
#else
58-
#define BOARD_TYPE "TEENSY 3.X"
59-
#endif
60-
61-
#elif (ESP8266_AT_USE_SAMD)
53+
#elif ( defined(NRF52840_FEATHER) || defined(NRF52832_FEATHER) || defined(NRF52_SERIES) || defined(ARDUINO_NRF52_ADAFRUIT) || \
54+
defined(NRF52840_FEATHER_SENSE) || defined(NRF52840_ITSYBITSY) || defined(NRF52840_CIRCUITPLAY) || defined(NRF52840_CLUE) || \
55+
defined(NRF52840_METRO) || defined(NRF52840_PCA10056) || defined(PARTICLE_XENON) || defined(NINA_B302_ublox) || defined(NINA_B112_ublox) )
56+
#if defined(ESP8266_AT_USE_NRF528XX)
57+
#undef ESP8266_AT_USE_NRF528XX
58+
#endif
59+
#define ESP8266_AT_USE_NRF528XX true
60+
61+
#endif
62+
63+
#if (ESP8266_AT_USE_NRF528XX)
64+
65+
#if defined(NRF52840_FEATHER)
66+
#define BOARD_TYPE "NRF52840_FEATHER"
67+
#elif defined(NRF52832_FEATHER)
68+
#define BOARD_TYPE "NRF52832_FEATHER"
69+
#elif defined(NRF52840_FEATHER_SENSE)
70+
#define BOARD_TYPE "NRF52840_FEATHER_SENSE"
71+
#elif defined(NRF52840_ITSYBITSY)
72+
#define BOARD_TYPE "NRF52840_ITSYBITSY"
73+
#elif defined(NRF52840_CIRCUITPLAY)
74+
#define BOARD_TYPE "NRF52840_CIRCUITPLAY"
75+
#elif defined(NRF52840_CLUE)
76+
#define BOARD_TYPE "NRF52840_CLUE"
77+
#elif defined(NRF52840_METRO)
78+
#define BOARD_TYPE "NRF52840_METRO"
79+
#elif defined(NRF52840_PCA10056)
80+
#define BOARD_TYPE "NRF52840_PCA10056"
81+
#elif defined(NINA_B302_ublox)
82+
#define BOARD_TYPE "NINA_B302_ublox"
83+
#elif defined(NINA_B112_ublox)
84+
#define BOARD_TYPE "NINA_B112_ublox"
85+
#elif defined(PARTICLE_XENON)
86+
#define BOARD_TYPE "PARTICLE_XENON"
87+
#elif defined(ARDUINO_NRF52_ADAFRUIT)
88+
#define BOARD_TYPE "ARDUINO_NRF52_ADAFRUIT"
89+
#else
90+
#define BOARD_TYPE "nRF52 Unknown"
91+
#endif
92+
93+
#define EspSerial Serial1
94+
95+
#elif (ESP8266_AT_USE_SAMD)
6296
// For SAMD
63-
#define EspSerial Serial1
64-
65-
#if defined(ARDUINO_SAMD_ZERO)
66-
#define BOARD_TYPE "SAMD Zero"
67-
#elif defined(ARDUINO_SAMD_MKR1000)
68-
#define BOARD_TYPE "SAMD MKR1000"
69-
#elif defined(ARDUINO_SAMD_MKRWIFI1010)
70-
#define BOARD_TYPE "SAMD MKRWIFI1010"
71-
#elif defined(ARDUINO_SAMD_NANO_33_IOT)
72-
#define BOARD_TYPE "SAMD NANO_33_IOT"
73-
#elif defined(ARDUINO_SAMD_MKRFox1200)
74-
#define BOARD_TYPE "SAMD MKRFox1200"
75-
#elif ( defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) )
76-
#define BOARD_TYPE "SAMD MKRWAN13X0"
77-
#elif defined(ARDUINO_SAMD_MKRGSM1400)
78-
#define BOARD_TYPE "SAMD MKRGSM1400"
79-
#elif defined(ARDUINO_SAMD_MKRNB1500)
80-
#define BOARD_TYPE "SAMD MKRNB1500"
81-
#elif defined(ARDUINO_SAMD_MKRVIDOR4000)
82-
#define BOARD_TYPE "SAMD MKRVIDOR4000"
83-
#elif defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS)
84-
#define BOARD_TYPE "SAMD ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS"
85-
#elif ( defined(__SAM3X8E__) || (__SAM3X8E__) || (__CPU_ARC__) )
86-
#define BOARD_TYPE "SAMD Board"
87-
#else
88-
#define BOARD_TYPE "SAMD Unknown"
89-
#endif
90-
91-
#elif (ESP8266_AT_USE_SAM_DUE)
97+
#define EspSerial Serial1
98+
99+
#if defined(ARDUINO_SAMD_ZERO)
100+
#define BOARD_TYPE "SAMD Zero"
101+
#elif defined(ARDUINO_SAMD_MKR1000)
102+
#define BOARD_TYPE "SAMD MKR1000"
103+
#elif defined(ARDUINO_SAMD_MKRWIFI1010)
104+
#define BOARD_TYPE "SAMD MKRWIFI1010"
105+
#elif defined(ARDUINO_SAMD_NANO_33_IOT)
106+
#define BOARD_TYPE "SAMD NANO_33_IOT"
107+
#elif defined(ARDUINO_SAMD_MKRFox1200)
108+
#define BOARD_TYPE "SAMD MKRFox1200"
109+
#elif ( defined(ARDUINO_SAMD_MKRWAN1300) || defined(ARDUINO_SAMD_MKRWAN1310) )
110+
#define BOARD_TYPE "SAMD MKRWAN13X0"
111+
#elif defined(ARDUINO_SAMD_MKRGSM1400)
112+
#define BOARD_TYPE "SAMD MKRGSM1400"
113+
#elif defined(ARDUINO_SAMD_MKRNB1500)
114+
#define BOARD_TYPE "SAMD MKRNB1500"
115+
#elif defined(ARDUINO_SAMD_MKRVIDOR4000)
116+
#define BOARD_TYPE "SAMD MKRVIDOR4000"
117+
#elif defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS)
118+
#define BOARD_TYPE "SAMD ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS"
119+
#elif defined(ADAFRUIT_ITSYBITSY_M4_EXPRESS)
120+
#define BOARD_TYPE "SAMD ADAFRUIT_ITSYBITSY_M4_EXPRESS"
121+
#elif defined(__SAMD21E18A__)
122+
#define BOARD_TYPE "SAMD21E18A"
123+
#elif defined(__SAMD21G18A__)
124+
#define BOARD_TYPE "SAMD21G18A"
125+
#elif defined(__SAMD51G19A__)
126+
#define BOARD_TYPE "SAMD51G19A"
127+
#elif defined(__SAMD51J19A__)
128+
#define BOARD_TYPE "SAMD51J19A"
129+
#elif defined(__SAMD51J20A__)
130+
#define BOARD_TYPE "SAMD51J20A"
131+
#elif defined(__SAM3X8E__)
132+
#define BOARD_TYPE "SAM3X8E"
133+
#elif defined(__CPU_ARC__)
134+
#define BOARD_TYPE "CPU_ARC"
135+
#elif defined(__SAMD51__)
136+
#define BOARD_TYPE "SAMD51"
137+
#else
138+
#define BOARD_TYPE "SAMD Unknown"
139+
#endif
140+
141+
#elif (ESP8266_AT_USE_SAM_DUE)
92142
// For SAM DUE
93-
#define EspSerial Serial1
94-
#define BOARD_TYPE "SAM DUE"
95-
96-
#elif (ESP8266_AT_USE_STM32)
143+
#define EspSerial Serial1
144+
#define BOARD_TYPE "SAM DUE"
145+
146+
#elif (ESP8266_AT_USE_STM32)
97147
// For STM32F
98-
#define EspSerial Serial1
99-
#define BOARD_TYPE "STM32F"
148+
#define EspSerial Serial1
149+
#define BOARD_TYPE "STM32F"
150+
100151
#else
101152
// For other boards. Change Serial as necessary
102153
#define EspSerial Serial3
103154
#define BOARD_TYPE "Unknown"
104-
#endif
105155

106-
// Must be before #include <ESP_AT_WiFiManager.h>
156+
#endif //ESP8266_AT_USE_NRF528XX
157+
158+
// Must be before #include <ESP_AT_WiFiManager.h>
107159
#define EEPROM_START 0
108160

109161
#include <ESP_AT_WiFiManager.h> //https://github.com/khoih-prog/ESP_AT_WiFiManager
@@ -120,7 +172,7 @@ String ssid = "ESP_AT_" + String(0xABCDEF, HEX);
120172

121173
const char* password = "ESP_AT_PW";
122174

123-
IPAddress staticAP_IP = IPAddress(192,168,100,1);
175+
IPAddress staticAP_IP = IPAddress(192, 168, 100, 1);
124176

125177
// SSID and PW for your Router
126178
String Router_SSID;
@@ -171,48 +223,48 @@ void enterConfigPortal(void)
171223
ESP_AT_WiFiManager ESP_AT_wiFiManager;
172224

173225
ESP_AT_wiFiManager.setDebugOutput(true);
174-
226+
175227
ESP_AT_wiFiManager.setMinimumSignalQuality(-1);
176228

177229
ESP_AT_wiFiManager.setAPChannel(1);
178230

179231
// Default AP IP is 192.168.4.1. Uncomment to use different AP IP
180232
ESP_AT_wiFiManager.setAPStaticIPConfig(staticAP_IP);
181-
233+
182234
// Set static STA IP
183-
ESP_AT_wiFiManager.setSTAStaticIPConfig(IPAddress(192,168,2,114));
184-
235+
ESP_AT_wiFiManager.setSTAStaticIPConfig(IPAddress(192, 168, 2, 114));
236+
185237
//Check if there is stored WiFi router/password credentials.
186238
//If not found, device will remain in configuration mode until switched off via webserver.
187239
Serial.println("Opening Config Portal.");
188-
240+
189241
Router_SSID = ESP_AT_wiFiManager.WiFi_SSID();
190242
Router_Pass = ESP_AT_wiFiManager.WiFi_Pass();
191-
243+
192244
if (Router_SSID != "")
193245
{
194246
ESP_AT_wiFiManager.setConfigPortalTimeout(60); //If no access point name has been previously entered disable timeout.
195247
Serial.println(F("Got stored Credentials. Timeout 60s"));
196248
}
197249
else
198250
Serial.println(F("No stored Credentials. No timeout"));
199-
200-
// SSID to uppercase
201-
ssid.toUpperCase();
202-
251+
252+
// SSID to uppercase
253+
ssid.toUpperCase();
254+
203255
//Starts an AP and goes into a blocking loop awaiting configuration
204256
Serial.println("Start Config Portal, SSID = " + ssid + ", Pass = " + password);
205-
257+
206258
digitalWrite(LOCAL_PIN_LED, LED_ON); // Turn led on as we enter Config Portal
207-
208-
if (!ESP_AT_wiFiManager.startConfigPortal((const char *) ssid.c_str(), password))
259+
260+
if (!ESP_AT_wiFiManager.startConfigPortal((const char *) ssid.c_str(), password))
209261
Serial.println(F("Not connected to WiFi but continuing anyway."));
210-
else
262+
else
211263
Serial.println(F("WiFi connected...yeey"));
212-
264+
213265
digitalWrite(LOCAL_PIN_LED, LED_OFF); // Turn led off as we exit Config Portal
214266

215-
// Get Router SSID and PASS from EEPROM, then open Config portal AP named "ESP_AT_XXXXXX_AutoConnectAP" and PW "ESP_AT_PW"
267+
// Get Router SSID and PASS from EEPROM, then open Config portal AP named "ESP_AT_XXXXXX_AutoConnectAP" and PW "ESP_AT_PW"
216268
// 1) If got stored Credentials, Config portal timeout is 60s
217269
// 2) If no stored Credentials, stay in Config portal until get WiFi Credentials
218270
if (!ESP_AT_wiFiManager.autoConnect(ssid.c_str(), password))
@@ -228,20 +280,20 @@ void setup()
228280
// initialize the LED digital pin as an output.
229281
pinMode(LOCAL_PIN_LED, OUTPUT);
230282
digitalWrite(LOCAL_PIN_LED, LED_ON); // turn the LED on by making the voltage LOW to tell us we are in configuration mode.
231-
283+
232284
Serial.begin(115200);
233-
234-
delay(500);
285+
while (!Serial);
286+
235287
Serial.println("\nStart AutoConnect on " + String(BOARD_TYPE));
236288

237289
// initialize serial for ESP module
238290
EspSerial.begin(115200);
239-
291+
240292
// initialize ESP module
241-
WiFi.init(&EspSerial);
242-
293+
WiFi.init(&EspSerial);
294+
243295
// check for the presence of the shield
244-
if (WiFi.status() == WL_NO_SHIELD)
296+
if (WiFi.status() == WL_NO_SHIELD)
245297
{
246298
Serial.println(F("WiFi shield not present"));
247299
// don't continue

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