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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)- I) V3 g8 O( O1 H
- #include <ESP8266HTTPClient.h>
1 ?# C3 X( }5 T* l - #include <ESP8266WiFi.h>
3 B( H/ _- u# g; U - #include <ESP8266WiFiMulti.h>
0 k7 }+ O5 p8 h3 v* q2 E( i9 i - #include <ESP8266WebServer.h>( J) {( @9 Q; @' R' n! e
- #include <arduino.h>9 t4 R$ e9 m( T6 j+ a; b! G- x! v& F
- ESP8266WiFiMulti WiFiMulti;
3 y7 v" t9 R5 h - ESP8266WebServer server(80);9 A1 c2 Z4 p6 F1 l6 w+ ^$ 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 p! A0 v* `$ m; b. t6 j1 W0 x% O
- ADC_MODE(ADC_VCC);
8 T& u& H- l% F, H - void setup() {
- G9 v$ z7 [' o" R) J4 G - Serial.begin(115200);+ V& {; J1 I6 n" H) @, r
- Serial.print("\r\n\n");% u4 V3 l3 R* u+ h; M3 x
- pinMode(2,OUTPUT);, ?4 A" b- V4 K+ |% ?& G& t' S0 d
- // WIFI
. x% X0 j/ Y1 P+ K - WiFi.mode(WIFI_STA);+ g1 t& }0 j; U! C
- WiFi.hostname("Sparkle");
2 _' j" X2 x. P- l - WiFiMulti.addAP("wifi ssid", "wifi password");
! p4 f9 ^* R( U# O0 Q( Z - int tryNum = 15;% A% V. u: t: |! B! e1 T( k7 G: ]
- Serial.print("Connect WiFi");
( r# t$ j3 N# F6 z& n, c% t - while (WiFiMulti.run() != WL_CONNECTED) {7 p1 i- U/ P) b( o. D. q6 {& C+ h
- digitalWrite(2,0);
3 i( G, B$ |) J3 Z% R! r& R f P- w - delay(200);
R- Q& @. z2 p, X0 Q! I8 F+ A- t - digitalWrite(2,1);8 c" h' Q- ?6 H1 U; x: a
- delay(300);1 `' i$ t/ E; A7 ]* S
- Serial.print(".");' a" j; G6 \+ e: t1 h
- tryNum--;8 I! o6 T# B' O8 f9 `6 y2 q/ H
- if (tryNum == 0) {
; ~; N% |) B" P8 W2 R0 P - // 1min
; q) x1 ?4 V* N# F( v - // ESP.deepSleep(60e6);
( Q( w M6 k) z - ESP.deepSleep(0);
$ E( G# y3 A( x' ]! O - }2 h9 o6 n# ~, g( i
- }
7 o8 |" ?7 H2 ]8 o - Serial.print("\r\n");
3 p( }; X% V6 q9 G - digitalWrite(2,1);) ]0 l/ T9 d& {- A6 E) Y6 G) E
- Serial.print("IP address : ");
) } y: e& e$ J) j4 p - Serial.println(WiFi.localIP());
1 G' R. s) H% A* L: A- N - server.on("/", HTTP_GET, [](){8 s$ {) |5 N% b: S! }
- server.sendHeader("Connection", "close");
9 G+ U8 ?9 m' V7 X( J4 Q- y - server.send(200, "text/html", serverIndex);
' P4 V! a: ~* Y( [: Y# a" l8 O0 ^ - });
. n7 Z7 e. M' D) p; _1 |6 U6 V' } - server.on("/update", HTTP_POST, [](){
6 e# Q: S6 B$ h, z; A% c! \ H8 [ - server.sendHeader("Connection", "close"); l& d- j" J4 B
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
' h# G& L0 n6 J" K+ }2 b0 L - ESP.restart();) X: P% H) \6 z& D
- },[](){( `: t& y9 m r( s
- HTTPUpload& upload = server.upload();+ |3 L6 ~) ?% D8 g# M1 s+ u
- if(upload.status == UPLOAD_FILE_START){
6 I" A% T# Y* }& ]3 M0 H - Serial.setDebugOutput(true);
9 S7 R, j- e) d( ~3 x - Serial.printf("Update: %s\n", upload.filename.c_str());6 y& R u. Q1 t9 N5 f: g
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
F* S8 q7 X5 a! H. T6 N - if(!Update.begin(maxSketchSpace)){: p$ A u6 f. G; S! A- r! F
- Update.printError(Serial);' }8 J+ l+ k' w! c8 P
- }
& T2 l: d* S& U, I - } else if(upload.status == UPLOAD_FILE_WRITE){
/ B }! y& p4 H/ j4 Z' d8 p" b - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
2 {$ n' v5 Z" } - Update.printError(Serial);
! U8 R+ w2 `$ M8 C5 }4 I - }
* m6 a! v% R7 o$ O" h9 ~ Z - } else if(upload.status == UPLOAD_FILE_END){% k" B4 S% e2 ]
- if(Update.end(true)){' e, O8 Z3 u' i$ x
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
5 U( R5 ], o8 \1 e: s9 W2 r - } else {0 K6 w1 f$ k' v- e5 _; L( y/ D# E: x
- Update.printError(Serial);. k$ y9 P4 d% p' V) W. j
- }
; {2 I2 f! l- `& T h# D( u - Serial.setDebugOutput(false);& o& ?+ c2 d3 E' q0 J2 M9 c
- }7 |% J0 e( G6 s8 h V( R
- yield();
. G/ |9 Q$ E$ }) f - });
% e% D& f4 R7 L; B -
& X3 ^/ b) m& b: x' m - digitalWrite(2,0);
, `6 _0 {/ T! @4 A$ ?. H, W6 X - mainAction();2 Z, u6 z% F& I2 h# g y3 U+ X
- if (digitalRead(0)){/ `. E2 {9 E- a0 l1 A
- ESP.deepSleep(0);3 p* U n O7 `: B/ g, d
- } else {* ^5 U2 a* a4 q( i/ ]
- server.begin(); \* z4 s# w. C
- }" j& ^2 t+ _5 }1 W* j' U0 J
- }
z7 k2 B8 I2 H& Z - void loop() {
* |/ V! @9 F4 K' G8 u2 l - server.handleClient(); Z; U3 x. T- ]& S3 v. X4 q6 B1 b, ~
- delay(1);
3 {6 M6 h4 I5 y8 x. | - }8 m3 g& t( v8 ^
- String doGet(String url){) b# w; u5 R) Y/ r& h5 J
- if ((WiFiMulti.run() == WL_CONNECTED)) {* Q; c; ]! t2 `# M
- HTTPClient http;/ {6 L" S) ~1 D: V& {7 [$ h
- Serial.println("[HTTP] begin..."); U) t/ D8 {# h4 l/ g% ]
- if (url.startsWith("https")) {. A* v* P. z7 ^6 c& w) w+ g
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");0 k! ? o8 {" g6 `" c: j
- } else {
5 y) l! v( g/ U2 w - http.begin(url);
" f n" t% G/ l, K1 M {5 U' Z! P - }
/ a' u) [ |2 ]/ s/ Y - Serial.println("[HTTP] GET...");
% v- \4 c# V+ n% O" _& w/ y% u( Y - int httpCode = http.GET();
9 F; ?9 Q6 z$ f5 a) K, y - if (httpCode > 0) {4 @& [9 c0 v! x# E2 o- N
- Serial.printf("[HTTP] code: %d\n", httpCode);
" T/ I: y5 _: C& |9 j3 W! j - if (httpCode == HTTP_CODE_OK) {1 K. D( D5 E3 }
- String payload = http.getString();6 c# Y. v" m2 \1 |7 _" x
- Serial.println(payload);- }. j1 J- l! m
- Serial.print("\r\n");( q4 @6 x" q. P( n" t( v5 u h4 K5 Q3 x
- return payload;
: d( K1 b& a! e! A: n: O% w6 ^ - }
8 T' ~$ C+ v U4 n! M F2 `; J - } else {! X' X6 ^4 M' T. }% V- i5 \
- Serial.printf("[HTTP] GET... failed, error: %s\n",! q, B3 s* c6 d" g- V; e+ [
- http.errorToString(httpCode).c_str());1 z4 u. n, w) i
- }; [% _0 q7 c1 `! D
- http.end();8 n* h" z) L+ L5 k) k& j
- return "";
+ a, w5 E6 d+ z- A - }/ {- C2 t# M* ^$ ~5 ?2 b
- }# r, j0 ^% o* V! m& f
- void mainAction() {
( @9 H- J! h" O4 v - // 发送请求
; b2 M6 R8 F6 I" U( `* D - doGet("http://google.cn");
7 [" c% a l& o9 {8 M - }- z2 C+ C# R9 g: Q2 {( r- ?
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