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接上电池,用一个按钮把rst和gnd接上,按一下按钮就会自动开机发送请求,然后进入深度睡眠,可用于低功耗的物联网开关触发器(如需使用自动唤醒,还要将gpio16接到rst)/ ?: ~% z: |0 l0 ]: h0 Z$ k
- #include <ESP8266HTTPClient.h>
3 Z' x! Y& }0 R2 }$ X; V - #include <ESP8266WiFi.h>
* u% Y( T, R6 P - #include <ESP8266WiFiMulti.h>+ P: q* p* p' j# a4 g/ F
- #include <ESP8266WebServer.h>
0 g% x: ]( x( T - #include <arduino.h>; J E4 ]1 `7 g) c5 \7 N
- ESP8266WiFiMulti WiFiMulti;
( E6 _( B8 ^+ ?. e% V - ESP8266WebServer server(80);# n3 i& m% p+ M5 T, L/ J# } \
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; b& x5 O/ [! r! [* v6 H1 m
- ADC_MODE(ADC_VCC);
) e3 c0 d0 W, F. k' z - void setup() {
) _: F1 `: |" R$ T( P; P+ N+ ~- H - Serial.begin(115200);; v3 n9 a* k$ i0 a. R
- Serial.print("\r\n\n");
}2 N% y! B0 n6 l - pinMode(2,OUTPUT);- {4 R2 M6 l8 a& r7 z
- // WIFI
! w4 s/ e8 z- |' y+ z/ B - WiFi.mode(WIFI_STA);% v* a) v$ y- W: C' b9 f
- WiFi.hostname("Sparkle");) S% F m+ g/ r1 I+ y
- WiFiMulti.addAP("wifi ssid", "wifi password");
4 |% a- B m/ ~ - int tryNum = 15;
3 Z) y8 O0 A6 o - Serial.print("Connect WiFi");
3 o4 i/ k" @; L8 _/ w) R - while (WiFiMulti.run() != WL_CONNECTED) {
/ g( @6 D# [; r1 q - digitalWrite(2,0);" F' q7 T4 @! H5 _. P- ^1 J/ G
- delay(200);
) V8 m1 [3 U6 D' O; P! X9 L0 }- k - digitalWrite(2,1);; f& V+ | v4 y/ E4 |
- delay(300);
) L; M8 y& E, \9 A# @ - Serial.print("."); E/ S" i) f3 h* {: Y
- tryNum--;' [6 f( s' @, g0 H# r8 z$ ]: f
- if (tryNum == 0) {$ z, \ Y' @5 I
- // 1min1 D" @1 C8 D+ @6 a
- // ESP.deepSleep(60e6);, `& Y* a' O7 x$ `0 T
- ESP.deepSleep(0);+ E' y1 k. g( Q9 H& o0 }( f" S
- }
9 V2 S9 \ n2 i- n - }
6 J! V9 H3 n! K& o1 f - Serial.print("\r\n");* L W5 b( l3 D" n* t5 S" h
- digitalWrite(2,1);
5 l/ Q. ~5 d( ?. r; p0 e - Serial.print("IP address : ");
2 \/ k, w6 n- ~3 z4 V% G- K - Serial.println(WiFi.localIP());
7 ]8 ^3 k& j. D4 p6 m& p! S9 @2 e1 s - server.on("/", HTTP_GET, [](){
! u/ Q. |3 @) x- P- J! R - server.sendHeader("Connection", "close");
6 R: S, g) V0 f e - server.send(200, "text/html", serverIndex);8 Q1 u' n" D$ o) [% u( }/ r
- });
, S$ a5 `& o9 d# a# o: f5 m - server.on("/update", HTTP_POST, [](){
; W) _3 b, O( T' Y { - server.sendHeader("Connection", "close");& y% C. H& L/ m9 H3 [& `, m2 V
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");/ Q5 `3 U" d3 P/ w
- ESP.restart();/ E, H; E a5 ^. b7 S
- },[](){2 d0 F& e0 l8 b9 ~- n* w
- HTTPUpload& upload = server.upload();
6 X5 v. y" C _) A( t" L: k - if(upload.status == UPLOAD_FILE_START){
( L. i" g0 I* B - Serial.setDebugOutput(true);" G" U' P- j1 Y
- Serial.printf("Update: %s\n", upload.filename.c_str());/ P% ~0 V( v" J/ a1 }
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;: Y+ y$ w2 |+ r; |. r- [- {2 X+ Z
- if(!Update.begin(maxSketchSpace)){
, t6 T/ j: a7 o' i E: w- e - Update.printError(Serial);
6 ^' ^6 q- \8 V5 k7 C+ I2 i! E4 f" d8 R; d - }
! o: `% t. w' Z - } else if(upload.status == UPLOAD_FILE_WRITE){
- k- x) e+ s# _) R- P |; w - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){% u* ?) l- T9 ]# ]' O
- Update.printError(Serial);
' Q, T" O* {9 B8 i5 w - }
! g, V r5 f R! I' D - } else if(upload.status == UPLOAD_FILE_END){
& B. E! J4 T' | - if(Update.end(true)){6 a8 \8 m- r P7 r
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
8 G* M! X6 r- H2 F8 q2 K# b - } else {. o5 L9 n0 o( ^5 h+ |
- Update.printError(Serial);
2 i9 r5 o( I5 |( j$ F - }
- f3 ~2 k1 v# Y8 D3 V. @ - Serial.setDebugOutput(false);
0 m( {: C: b4 ~; p& y, m- { - }
1 m6 V. u2 R$ _1 q6 Z - yield();* @, K+ q9 J1 L) A& j6 ?3 u
- });: `0 P' {4 r X: T, B1 V4 Z" S9 m' q9 R
- * a: X: _+ a5 v
- digitalWrite(2,0);8 j- n3 c- M( s$ |8 \; h
- mainAction();
- n/ o2 ]8 k( q9 `8 ?- H' C$ g, G - if (digitalRead(0)){
1 A# I, H5 W+ ~! r7 K4 o4 o; ` - ESP.deepSleep(0);
& k8 f# X. v# N' I; r - } else {9 V$ Y# m' _9 I2 K
- server.begin();: Q% M! {/ [5 a- G
- }
& s5 v' i# a3 a% n7 A - }
$ v. T: a# n* t+ ~ | - void loop() {. v+ L" k/ K8 i; \9 s' A4 k0 ?
- server.handleClient();
* k& W3 H3 u2 H5 p0 k - delay(1);
. s l6 x6 l9 ]0 Y2 p - }
5 T/ F' J, F# R7 h+ E0 R" M - String doGet(String url){1 q) D* m2 N% t2 ]& y H/ S
- if ((WiFiMulti.run() == WL_CONNECTED)) {6 x- b4 f. T0 Y" M
- HTTPClient http;
& M) v: H% E: {! j6 w1 l8 S - Serial.println("[HTTP] begin...");
% w; B& a, _5 d6 F( c q5 ~& t/ e - if (url.startsWith("https")) {5 b7 I; N5 I* s9 g% y# \. @' x5 c0 z
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
( W. _5 D; F5 J* ~& i7 K. y - } else {
& _9 w; x2 m; x/ G" p+ N& |5 ] - http.begin(url);, N4 J$ t- r9 A% ?4 L
- }
1 i7 K6 Q( Y- D8 y- ?! U1 H - Serial.println("[HTTP] GET...");
5 E# k/ M( ]5 E( d/ z" B1 v0 Q. o - int httpCode = http.GET();
$ B$ `2 y" Y: W \ - if (httpCode > 0) {) Q: d- i6 H# ]; j2 F
- Serial.printf("[HTTP] code: %d\n", httpCode);
9 x3 j+ d% i$ O - if (httpCode == HTTP_CODE_OK) {: g1 g! V3 ]3 l- K0 K9 ]% S0 e: E
- String payload = http.getString();5 R* p* C# |. B. v4 }, T
- Serial.println(payload);
( h: s I$ Z1 m! t& A! ]8 M - Serial.print("\r\n");
2 P, D/ K. \2 `: } - return payload;
2 F1 O7 k }/ _- Q - }9 A& c! Q4 ^ g7 }" C% l* P1 z
- } else {- `% u. _' _" X% @6 ?' Q
- Serial.printf("[HTTP] GET... failed, error: %s\n",7 K ?, w0 Q! j G: a/ q
- http.errorToString(httpCode).c_str());6 @7 k) _5 \6 K* a
- }2 Y; Z. s; Z; G
- http.end();$ m/ t& Y1 o8 ^7 z
- return "";
5 P$ M, v, _2 U. S( Z - }6 e- `' G$ W! D; `3 ?
- }+ A1 b' j/ L r1 w. U2 _6 Z
- void mainAction() {
% j5 U0 w+ T! } J - // 发送请求7 v9 {2 }: S& }
- doGet("http://google.cn");
1 \2 I0 |! B3 J; S: F8 } - } s6 J, b8 b2 N0 [
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