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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)+ |; t/ s' m0 Q) `4 @
- #include <ESP8266HTTPClient.h># \" R* l$ ]% ]/ O* T/ u( G
- #include <ESP8266WiFi.h>
* E, r" e. B% ?! A* Z2 ]+ h: \ - #include <ESP8266WiFiMulti.h>
' Q+ o6 ~# G7 j# q. s - #include <ESP8266WebServer.h>
# ~: z* ]7 F4 ~0 P$ ]' M' Z - #include <arduino.h>6 W [( k6 V; A4 E1 e2 A
- ESP8266WiFiMulti WiFiMulti; j: M% y3 M. M) D$ g5 `8 b7 q9 e
- ESP8266WebServer server(80);
; J8 v/ o% ^5 I3 e - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
2 I& \$ s) V& W/ ^; G- d - ADC_MODE(ADC_VCC);
6 ?& u0 g1 Q2 ~7 o* |' R t - void setup() {- {: o& Q2 G4 N& A
- Serial.begin(115200);
9 |7 g3 U/ M) S: L5 L0 ^ - Serial.print("\r\n\n");
5 m/ |# I3 R6 M - pinMode(2,OUTPUT);
~3 T4 R* F' T0 G9 g - // WIFI; @" N$ T+ s3 a5 o
- WiFi.mode(WIFI_STA);! T0 V$ A# H0 H1 P& M+ B f# v
- WiFi.hostname("Sparkle");
$ @$ f7 d$ `& t, G' F - WiFiMulti.addAP("wifi ssid", "wifi password");- e/ d( V W- s1 o8 }% n6 Z
- int tryNum = 15;
+ H5 ^) O4 F, c6 \ - Serial.print("Connect WiFi");
0 S; k* n( v" Q - while (WiFiMulti.run() != WL_CONNECTED) {
' K" A2 c. ^ ] - digitalWrite(2,0);! `) y4 u1 ?4 M2 P- j; A+ H
- delay(200);
/ D. [8 u5 c4 x" q2 U - digitalWrite(2,1);
9 `8 S0 ~9 p0 I3 f1 Z' u' q" @ - delay(300);
7 v" c9 d$ G1 T, @! }+ _7 V. J! } - Serial.print(".");! f6 N5 P K2 ~: B
- tryNum--;
, V) i6 H/ g; J' o8 A3 ~ - if (tryNum == 0) {) p2 M- P8 X$ A( N1 s" F) N9 c
- // 1min1 ]3 d( C: r' M) k
- // ESP.deepSleep(60e6);0 [- W' ]; I" W9 U6 j, r; e, a
- ESP.deepSleep(0);
6 }& C4 Z/ u. H* O+ t5 b" S+ `) a - }/ i, b {4 y( W4 c- e7 f
- }% o+ I) w$ s$ i% S# p
- Serial.print("\r\n");! {4 n4 v* h( `( q8 h
- digitalWrite(2,1);, B+ d$ ^; Z8 a0 o* Q9 c: E
- Serial.print("IP address : ");
* I; K. b, e }2 U5 i0 Q3 b - Serial.println(WiFi.localIP());
2 H/ Z; y7 K- G: M8 m - server.on("/", HTTP_GET, [](){) y% l& u% y- }+ F, [* h1 J$ [4 N. w d
- server.sendHeader("Connection", "close");' r0 u. f0 b9 b- m: ]3 `: N
- server.send(200, "text/html", serverIndex);: w& q! E* H: Y4 U
- });1 W {! m( u3 [% V; _; V3 [; A
- server.on("/update", HTTP_POST, [](){
4 X; L; |: z( E" ^- o! T - server.sendHeader("Connection", "close");
, E2 z6 y, m M: G - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
# V' a, I$ h, k& I* T$ O+ e0 j - ESP.restart();1 K6 v" I6 w6 u' g
- },[](){" M- t, G9 Y; I5 V& D i5 A
- HTTPUpload& upload = server.upload();% i9 i: n( ^7 F/ ?
- if(upload.status == UPLOAD_FILE_START){2 s0 U* t" q( _% N/ a9 ]
- Serial.setDebugOutput(true);5 r/ G. e A" H0 a
- Serial.printf("Update: %s\n", upload.filename.c_str());0 e0 o9 x7 ?1 Z$ V% d
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
7 J; C6 E/ T" g - if(!Update.begin(maxSketchSpace)){
: U9 z! x" j5 e4 t) p - Update.printError(Serial);
' k) I/ Y. O( X1 i2 v3 k - }
6 p$ f; ~, [8 N0 g - } else if(upload.status == UPLOAD_FILE_WRITE){1 S3 u2 s+ y K8 C! Z1 i! Y
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' n v! v+ N- C! H1 Z1 | - Update.printError(Serial);
* o- Y* f( t+ t5 K% p2 O - } p# s2 V* S) Q0 K- p' ]
- } else if(upload.status == UPLOAD_FILE_END){2 v: o7 S9 o( X! w( {
- if(Update.end(true)){
: a7 x$ r8 `" w, m& s5 H7 N7 N - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); f% k/ N6 N! l4 G; T$ s
- } else {# c8 n& s9 ]% o# ^
- Update.printError(Serial);
2 U2 | Q7 W: Q, ^ - }) P) h, q) g6 d6 R* ?$ c
- Serial.setDebugOutput(false);0 e* W8 [ C. W3 _4 {/ ]' c
- }
1 j* c" y5 V6 v7 w( ~. u - yield();
4 e# O- ` f2 \+ r. D# P! J' O - });
9 k$ [- b& R6 m4 R( T - # m6 Q2 o/ d2 o- V, m
- digitalWrite(2,0);, G5 T; @, @# @1 z3 J1 v: P
- mainAction();
6 ^/ N" m, `# `3 i1 x* I - if (digitalRead(0)){1 E; E4 x9 X8 a
- ESP.deepSleep(0);; Z9 p! S# P: w1 A9 N
- } else {& J2 @( D# |: T$ D
- server.begin();) i7 x& F: _, m- q7 N3 M
- }
: M+ Z4 z8 \0 e3 D$ Y5 v - } |$ b6 ^! t; K2 p Q
- void loop() {- s& {2 G8 Q- L$ [8 [1 I0 h
- server.handleClient();. s8 o# n2 F) ~+ F O E
- delay(1);
`- I* d3 Q6 Y0 C7 X2 P! `0 U - }) `' H% s" `1 H; @3 i
- String doGet(String url){
% ~ u' j% E9 q - if ((WiFiMulti.run() == WL_CONNECTED)) {# E0 |! z! a+ G* Y( ^9 H
- HTTPClient http;9 M' [! x' `, C' M
- Serial.println("[HTTP] begin...");: T# ?# w, F& j3 o
- if (url.startsWith("https")) {; N T! A M: }- g- r9 R
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
2 v* _' i9 ^6 b7 `* m: l& \: E - } else {
# |0 g5 p7 y- Z. F( u% [4 ~) v - http.begin(url); }- D+ a5 d# P4 y( `5 K
- }. p' L( R0 `" X0 [( l8 s @5 J
- Serial.println("[HTTP] GET...");
; Q4 ]/ v" ?. t) q - int httpCode = http.GET();2 O: I+ f7 O9 {, m; _5 k
- if (httpCode > 0) {" F* v' n3 h! F. y" |) U1 _" e9 F/ ^
- Serial.printf("[HTTP] code: %d\n", httpCode);/ O8 c. P& g& H4 J' R8 E
- if (httpCode == HTTP_CODE_OK) {
1 Z4 e( T% F2 d6 E9 m4 Q) T - String payload = http.getString();
, Z& t5 C7 e1 Q1 ` - Serial.println(payload);! n9 X5 `4 r+ V0 @
- Serial.print("\r\n");* m3 K2 z' _( R$ [& I% |2 e
- return payload;( l( V+ M: H z( D% W$ _( i$ N. K
- }
: p/ u5 w2 R7 `1 v! P - } else {
( L: ]" ]5 E3 j- l6 M - Serial.printf("[HTTP] GET... failed, error: %s\n",9 ?+ U3 A9 y1 x# }# Q6 M; F$ [4 I
- http.errorToString(httpCode).c_str());
6 X& |/ v* m/ q7 U - }4 r# z; C, F+ {+ f0 S
- http.end();
' o6 I# M# L8 W - return "";0 Z$ u! A& m( _
- }5 ^4 F9 K" O. _$ l0 P
- }9 z! {4 c; q* D J. U' K2 p7 i. |
- void mainAction() {
( k) I2 J) ]) V* ? - // 发送请求, C# C. x1 ]1 G! o% a, U
- doGet("http://google.cn");
8 U" D' N+ f& T) { - }: R( D9 f0 r/ s( Y, S$ b
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