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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)+ h2 z( N: }* n& v
- #include <ESP8266HTTPClient.h>* F7 G& `6 H1 I' h: w
- #include <ESP8266WiFi.h>+ H% v1 m- k! ?. {, ?9 d+ }
- #include <ESP8266WiFiMulti.h>' g; O/ Y- k* } S b
- #include <ESP8266WebServer.h>
$ ?2 U/ A3 }: ~6 u+ r: t. z - #include <arduino.h>
$ S7 {& M) }# \ q - ESP8266WiFiMulti WiFiMulti;
, N0 T! U( Q1 \$ n3 e - ESP8266WebServer server(80);/ s2 R8 z6 J8 F6 k: C
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";, g3 w& z! j! w6 c8 ?# T
- ADC_MODE(ADC_VCC);
( q* j* u8 G' k) N - void setup() {% z% |' x% Y, d: w K8 R6 Y; w2 t
- Serial.begin(115200); I* c! X' q) x( l. o
- Serial.print("\r\n\n");
. t5 ~% K j# o: R4 U! W* {1 v% B - pinMode(2,OUTPUT);
1 ]! ]8 T, V- v& }$ K$ E1 R3 l - // WIFI
$ a+ F! J0 v6 o- k! I# B - WiFi.mode(WIFI_STA);
3 V* g t2 P- u' ]3 | - WiFi.hostname("Sparkle");
# d3 x8 ?0 G- k% l2 H) ?/ w - WiFiMulti.addAP("wifi ssid", "wifi password"); K' N% t! [9 U) S# [
- int tryNum = 15;2 h) Z, e: g: D/ x( J2 T+ }
- Serial.print("Connect WiFi");8 `/ r' G! F# a1 G+ b, Z
- while (WiFiMulti.run() != WL_CONNECTED) {! y3 W* ]9 C7 ~# X& a C' G& M" f
- digitalWrite(2,0);- \' N. R. H8 G& F, `
- delay(200);; ~) l5 q4 ?- q! j, O w, f$ P
- digitalWrite(2,1);
7 `$ ~$ \, ^) P! z - delay(300);
5 P8 ]4 F5 F0 X8 N9 j: B( Z - Serial.print(".");
) f, m) ~3 [+ y) A/ c4 A! ~* u8 P - tryNum--;
1 d- Q: \1 g( J3 h - if (tryNum == 0) {
$ d/ l/ p; J9 B6 g - // 1min& P/ N) ?; n* `( ^9 n4 U j+ b
- // ESP.deepSleep(60e6);
; v, q0 L3 d# ?8 ?% ] - ESP.deepSleep(0);
; H- K' A8 E5 V3 M6 s - }
! L" ^/ V' G" C# F/ H; ]) t - }
% G3 a- j( { r& { - Serial.print("\r\n");# T5 J Y; N6 Y8 }. N
- digitalWrite(2,1); A [/ R( G3 O( H
- Serial.print("IP address : ");
* o( o7 ^) A9 _$ U - Serial.println(WiFi.localIP());! I, y0 S- E. I! g& d
- server.on("/", HTTP_GET, [](){; f( x: s6 J) E6 k" i. `2 d) V
- server.sendHeader("Connection", "close");
* k7 g& a* s& n5 p$ f7 e5 K - server.send(200, "text/html", serverIndex);
. b! s/ ?) s$ S0 T* r! G - });% v: c, m, E7 Q
- server.on("/update", HTTP_POST, [](){ E& i) s' i g) G* |9 d
- server.sendHeader("Connection", "close");
* J* e" g6 @$ X; b- o: ?/ _ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) E: x: e. g. M6 j l - ESP.restart();2 Q' W+ X) g& P) r
- },[](){
& _3 w& [7 ]2 g6 ` - HTTPUpload& upload = server.upload();6 w, V3 r+ ^5 \3 X L0 ]7 X# u
- if(upload.status == UPLOAD_FILE_START){
" P& _1 ?: V6 ~6 Y, z( ~) c - Serial.setDebugOutput(true);
8 ^6 b9 C, S* z/ L - Serial.printf("Update: %s\n", upload.filename.c_str());9 X b; p/ j) h$ m# ?/ B
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
8 ?: ?8 S- Y! m6 y: g6 T - if(!Update.begin(maxSketchSpace)){! A: ?% t! a1 g% O; y' c$ i
- Update.printError(Serial);
1 _; I/ c# I, ^3 z- ^ - }
$ j! x" }( }8 B% Y5 Z* h) o - } else if(upload.status == UPLOAD_FILE_WRITE){, A1 ^" s& `& W( E/ |# A
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){$ E9 x d$ \1 [2 O
- Update.printError(Serial);
3 M1 i: W# `, T2 l/ E - }
. ~0 m3 f! M' V T. Q6 A7 _ - } else if(upload.status == UPLOAD_FILE_END){
$ b* N q. c5 t# ^9 n" r4 I - if(Update.end(true)){1 @9 u' y. ]+ v- Q" o) w
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
# J' T1 c! \' y$ |" {4 } - } else {+ ~) C# m$ T7 g2 N3 i$ J8 d
- Update.printError(Serial);$ W$ x0 D$ l+ Y# Z# \ G2 L
- }1 \" u( v+ i6 A8 z
- Serial.setDebugOutput(false);
/ q6 r6 q V6 y2 y U - }- X7 T2 I5 b+ y# e& s. M, G* w
- yield();8 H3 u. @% z( k* I
- });
( u; h2 k/ ], A# ]0 @8 F -
+ N. e/ Y! Y2 ^ - digitalWrite(2,0);" o3 v# m# F; k7 O( u
- mainAction();
4 F2 Z3 l' Y- Q, r; X* x( L2 w - if (digitalRead(0)){; w) R2 J& O7 L2 V
- ESP.deepSleep(0);
" V4 |& Y6 ^' Y8 [7 o - } else {0 }. l2 C2 @9 v! m8 c
- server.begin();4 K3 R X6 ]8 e& l. h- a
- }
0 B/ S& |/ L' ^4 Z; I: J% w - }
6 }2 F' w4 N) Z6 c - void loop() {7 U" m# S6 k9 f/ ~
- server.handleClient();
& |. ]- H& M( _! j7 E - delay(1);
/ u9 v( q6 D4 P7 Z7 c - }& K% _( @7 }' {4 m8 e6 Q
- String doGet(String url){
" k$ E0 H' P% {- L5 I x8 _ - if ((WiFiMulti.run() == WL_CONNECTED)) {6 Z9 N) w( t) E) c7 s4 `% F, q' V
- HTTPClient http;
" n& E+ v/ [& l9 A: f: R2 H h - Serial.println("[HTTP] begin...");
7 G# U# z \$ @ - if (url.startsWith("https")) {! g1 d O6 T) }4 K" O
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");/ ^# y2 J0 p9 U4 W3 K. c
- } else {' k5 m, Q. |' T' F5 u( F
- http.begin(url);3 v% @7 H4 M6 v0 K! h' ?
- }
d# Q* m. k4 J( c- t - Serial.println("[HTTP] GET...");
+ G4 K( P+ T6 W6 c- k! h6 j5 O - int httpCode = http.GET();& V/ i* E- ?& ^, U X
- if (httpCode > 0) {
( }9 l) y0 L* o0 d5 ^" V6 k. \ - Serial.printf("[HTTP] code: %d\n", httpCode);5 H' Z# N0 ^, j: E
- if (httpCode == HTTP_CODE_OK) {
1 g' S8 `6 |, j) }- f# P - String payload = http.getString();! ~0 }. t! [8 j# d) _
- Serial.println(payload);
) f% ]9 L! L6 p' z' e9 u; J: S - Serial.print("\r\n"); x% N$ v5 H! M! w3 Z
- return payload;; e( y& [& M7 d$ K! s
- }# V% i! e- f. m5 E. k) t
- } else {
3 e1 Z( r& K/ _0 l' [2 v - Serial.printf("[HTTP] GET... failed, error: %s\n",
& O/ z$ [) Z6 ]# P/ c - http.errorToString(httpCode).c_str());
z( n0 g8 Q& ?* s, h - }
! [# a4 b D5 e, Q8 U - http.end();0 s W. n( ~ g2 a1 a
- return "";
8 O( n% C2 U' y5 E4 A+ S6 E - }; I6 S/ B4 r' U9 p/ C" X
- }! Q& |5 p1 }; A6 @+ O
- void mainAction() {
5 Z' d0 d' n0 S5 X - // 发送请求7 D4 `& @. W% F, ~0 |
- doGet("http://google.cn");4 i# K) z& X/ `/ }
- }# A* g$ h0 j% z; i$ e$ b' `
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