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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)( [% p6 T; q6 X0 a Y" r$ G
- #include <ESP8266HTTPClient.h>
1 T8 H5 p7 R: S$ z( H - #include <ESP8266WiFi.h>
2 }) X& {5 L+ k9 {+ h( o3 I - #include <ESP8266WiFiMulti.h>
0 B% e/ p9 e9 \+ D - #include <ESP8266WebServer.h>- Y' J: m* M; X) F3 n8 q- S
- #include <arduino.h>
! H& _" |6 n- {0 D R# Z7 s( H - ESP8266WiFiMulti WiFiMulti;- @3 u5 w% _2 ^# Z* {7 L& [9 P+ L
- ESP8266WebServer server(80);
+ s3 C+ b7 u7 q$ X - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";5 B8 T; m3 L9 w9 e' J. O9 t$ e! L
- ADC_MODE(ADC_VCC);
7 ?' }! F8 Z1 _% s- T6 _ - void setup() {+ s% `. H" `* ^: I. k+ ?
- Serial.begin(115200);
, q) [5 b, m& O3 {# x& ~1 t0 E - Serial.print("\r\n\n");
& `; m4 _$ k1 \9 [ - pinMode(2,OUTPUT);, W8 j2 M& y3 A+ R$ [
- // WIFI0 O6 @/ m. G5 I3 d1 H" j
- WiFi.mode(WIFI_STA);( r% [8 w! T: H4 [7 o3 V. `* ]
- WiFi.hostname("Sparkle");; s# l$ i" i, N7 y8 l5 Q6 R% F9 d
- WiFiMulti.addAP("wifi ssid", "wifi password");
& `0 h* A! S4 M - int tryNum = 15;
; Z% E6 g5 o! I2 j" a; e - Serial.print("Connect WiFi");$ P, _8 o2 X# c) G& W- G
- while (WiFiMulti.run() != WL_CONNECTED) {
! v Z0 I/ i$ Y: d( t6 T8 \ - digitalWrite(2,0);
+ t1 T; z7 z! p - delay(200);
5 e$ } p% ?7 P0 W- O - digitalWrite(2,1);
* Y4 V* C% I/ u& K3 G8 q$ } - delay(300);7 W2 s* h. k$ ]% c
- Serial.print(".");
# H1 s! n2 z5 v% s& g Y! l+ g - tryNum--;
: U7 j% u! C2 w+ c3 O - if (tryNum == 0) {2 X- [; J. W0 A+ ^: j" v
- // 1min" Q- z8 ~3 T+ d: E4 w0 R
- // ESP.deepSleep(60e6);, a6 j6 M, Z7 A% e% ]
- ESP.deepSleep(0);0 ^6 m! ~$ H; g ?6 k+ J1 R2 b
- }( `, b5 A+ }. I" e0 I+ h/ ^
- }! r; t6 l* L7 e% S) f
- Serial.print("\r\n");
9 X7 H3 y6 u5 O4 j# z" P6 h - digitalWrite(2,1);5 V9 b$ N x; x5 T9 ^' s( L. l" b
- Serial.print("IP address : ");" `' f* p# j, Y; J L; S
- Serial.println(WiFi.localIP());2 T4 X4 Q6 M9 r; V5 b0 P* H
- server.on("/", HTTP_GET, [](){8 q2 F" \4 t0 ]) f! r C
- server.sendHeader("Connection", "close");6 W8 `( c. }' z& _
- server.send(200, "text/html", serverIndex);
) ^% |* b3 L! d. q0 B$ s: S0 F" L* t - });
! X& f# f$ n0 O/ x W! X# ], n - server.on("/update", HTTP_POST, [](){
0 d1 Q& c: Z9 X5 k1 t8 t+ f - server.sendHeader("Connection", "close");5 [$ m; K; G1 I5 Y# h# ]8 ]
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
! R: S+ C7 v: e7 O" y - ESP.restart();* b7 q7 W/ L4 A1 t0 u
- },[](){
- F+ T: \ y/ i. \' E* D7 n - HTTPUpload& upload = server.upload();
9 {7 z4 \0 u& A2 ~& g - if(upload.status == UPLOAD_FILE_START){
. ?0 {6 D' `0 h6 L. u - Serial.setDebugOutput(true);& D. t2 [. A* _& H
- Serial.printf("Update: %s\n", upload.filename.c_str());
@) v$ @, R, ^$ T7 T3 S9 Z! Q - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;1 Q1 _/ }: ?4 a; {4 E1 @
- if(!Update.begin(maxSketchSpace)){
6 t# E5 }. w4 J, a5 w - Update.printError(Serial);
h" T4 j) e# a# G0 J8 X! a - }; l6 t1 M2 ~0 K
- } else if(upload.status == UPLOAD_FILE_WRITE){
* J/ ?( n9 w+ {2 M: k - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
- s: \7 o9 F3 m# }0 F* P - Update.printError(Serial);, m5 k6 g1 n) u
- }
; R$ K. Z$ T! X% `/ A1 _; D - } else if(upload.status == UPLOAD_FILE_END){8 U: a+ ~% j$ `# Q' u% M
- if(Update.end(true)){
1 b( w; f. T1 @' F9 Y& R - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
! n: Q+ a, d' N b, c/ X3 |* N - } else {
7 C" ^. Y. I. M0 v1 U; P - Update.printError(Serial);( q# i* a( k1 \ ^
- }5 T' k U+ Q: E/ Q. {- S
- Serial.setDebugOutput(false);" @% F$ |, @) A& W
- }+ Y) c5 z8 F" C* D0 m3 q2 S
- yield();
0 c& C/ E0 t0 V( x1 z/ C - });, g! S; q. a8 S6 a: M
-
8 ~4 n1 m# b0 i' B% q- }+ n - digitalWrite(2,0);
/ V" p- |# C6 h: ` - mainAction();; v6 Z6 U& v1 ^( ^8 u! ?
- if (digitalRead(0)){9 S$ f& H8 w- v/ [. s' `5 r
- ESP.deepSleep(0);8 O9 {( H) ?6 z0 A& v
- } else {
8 z' C, A' A1 m1 F% ^; o - server.begin();( X8 j5 J: ~- [5 Z
- }3 n7 Q7 w7 a4 F$ }0 M8 N
- }
6 _: m3 J, e" d( O - void loop() {. G; N+ Q; H1 u# u4 Y: B+ x0 h
- server.handleClient();/ r% T/ ]/ b; }% z$ C8 e
- delay(1);5 E1 A4 Q! J6 o+ s+ Y% |; M; B V
- }) o" s% S* r. \# G5 O9 |
- String doGet(String url){& t- O7 b3 ~2 Y0 w
- if ((WiFiMulti.run() == WL_CONNECTED)) {4 `/ p& ~: t6 i
- HTTPClient http;' ?' U; u+ K7 {5 ^
- Serial.println("[HTTP] begin...");
) R- q, j" p5 Q7 i" h* W C - if (url.startsWith("https")) {4 ~& w; }0 E' [
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
9 w5 v T) @2 t+ R' _% A - } else {7 q1 G3 w# U- c7 z5 q. _5 o
- http.begin(url);
( \5 c9 O0 u9 b+ k$ {9 _ - }
O) H- q. r% Z - Serial.println("[HTTP] GET...");
! P+ T9 K5 R4 Y* j - int httpCode = http.GET();
9 N& z& G5 r: A0 q7 g5 s - if (httpCode > 0) {& T+ w' T% L+ z7 z# q- v( o
- Serial.printf("[HTTP] code: %d\n", httpCode);. n+ S" q# G6 i5 }6 M
- if (httpCode == HTTP_CODE_OK) {
( V# K6 Q* e p8 O9 V - String payload = http.getString();- |: W$ P& a" H" o: p* @
- Serial.println(payload);& L6 d! P( h5 a7 g6 |6 }
- Serial.print("\r\n");. S- U( R& i/ m) n0 Q
- return payload;3 B, {' }+ P0 K# u' v& k
- }
% I9 p2 _ e! q7 v. | - } else {
# ]3 I& m. A0 z7 Q: v - Serial.printf("[HTTP] GET... failed, error: %s\n",
* e6 F- x4 p1 _: t! }( g+ ?& \ - http.errorToString(httpCode).c_str());3 U4 Y: y5 O* {' \9 D/ ^
- }( O. q4 f2 B6 r) l2 q/ b
- http.end();
: l f a$ [) T' `' K3 C" s - return "";
4 c ~- G- f5 q* z - }* G% ^4 z" I# k& ? M8 h
- }2 B9 x7 M! \% C
- void mainAction() {& ^3 v- e z) C! c* _
- // 发送请求
; x3 ?; W% q, H+ a, M& a - doGet("http://google.cn");
% a+ g6 K6 U3 q% { - }
% v: U' g- f- e' V9 }; k
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