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发表于 2020-8-25 21:17:24
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查看: 4362 |
回复: 3
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)2 S( a8 B* H+ m( B8 ^
- #include <ESP8266HTTPClient.h>2 v# q( E3 A1 ^8 [0 r* ?. Q
- #include <ESP8266WiFi.h>- o, n$ {( e1 v
- #include <ESP8266WiFiMulti.h>
" H* N j2 X" ^& E/ M7 x - #include <ESP8266WebServer.h>
( Q, T. P( s# T( c2 ? - #include <arduino.h>9 b* i7 ]- k! I7 W
- ESP8266WiFiMulti WiFiMulti;& y4 F6 q, q) K# v6 A
- ESP8266WebServer server(80);
0 G7 Z" e/ C* b - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";2 x& S2 l. d) r
- ADC_MODE(ADC_VCC);/ N- {" q7 V/ D- Y7 O) T
- void setup() {) g# K' K/ s( X, ^+ ]9 E
- Serial.begin(115200);
$ r8 t& X( v5 _8 o9 h! A d; k N, e - Serial.print("\r\n\n");
; y( h8 Y: N0 U+ h5 ^1 m' G - pinMode(2,OUTPUT);" k! l( }- D& j1 Q6 N
- // WIFI
3 W( _- L0 f( ^! F - WiFi.mode(WIFI_STA);$ M' c( N9 y5 [! }
- WiFi.hostname("Sparkle");, U0 X* c3 J5 V. |/ N6 \
- WiFiMulti.addAP("wifi ssid", "wifi password");) k4 G) y+ T4 c, ^7 p
- int tryNum = 15;
+ H0 I7 X- E, I; b/ U# [ - Serial.print("Connect WiFi");' c+ u% V3 s( K8 Z# O* C2 {+ [" q
- while (WiFiMulti.run() != WL_CONNECTED) {% r* n+ L4 c+ H: D t
- digitalWrite(2,0);8 g# O5 t5 v1 L/ h& M) J
- delay(200);8 L5 N; g' {$ v" x, D
- digitalWrite(2,1);
4 R) X C9 {* }! q3 k5 _ - delay(300);7 ^: S, u; s$ Y) h9 c7 v! I6 h; ~
- Serial.print(".");
) I# Z$ c( n! N$ [' u: b - tryNum--;' \* U$ B, a/ W- Q
- if (tryNum == 0) {
0 j" B' Z8 a i: _% L - // 1min) g ?" r- `: |0 @1 n" j
- // ESP.deepSleep(60e6);2 N, G: ^4 L( d: O# H
- ESP.deepSleep(0);
8 V/ o1 C1 f- V% @/ k4 a2 G - }: s i. G' V$ N2 I7 H0 X" _
- }
$ _+ M9 R0 N0 T6 ]: z' ^0 s - Serial.print("\r\n");
; |4 o8 q# F4 z0 ? - digitalWrite(2,1);, K9 R0 J' J4 D+ C" w" J
- Serial.print("IP address : ");
- S; b6 h4 d; X5 G V - Serial.println(WiFi.localIP());
7 x( L: p7 B( `1 m* D - server.on("/", HTTP_GET, [](){ S X- h# m" l
- server.sendHeader("Connection", "close");4 y7 l$ \& g9 a- f; r
- server.send(200, "text/html", serverIndex);# M! _* J! x1 g4 a2 o
- }); @! O0 k5 N1 O: K5 `1 f: M% a
- server.on("/update", HTTP_POST, [](){) p( F4 `3 C1 b7 A0 h
- server.sendHeader("Connection", "close");
' I. s3 l8 Y! Y+ {5 ]4 Y5 j! k' H - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
. c$ I+ `# P5 K5 ~/ n4 H - ESP.restart();
" ?! _+ m7 ]( ] - },[](){: r1 |8 E* `1 ~% P
- HTTPUpload& upload = server.upload();& Q4 X* z, t8 z; V) g, `+ D* M
- if(upload.status == UPLOAD_FILE_START){ p! S+ C R2 u; o( e
- Serial.setDebugOutput(true);
1 j& ]' S" G% O! T+ q& B: ] - Serial.printf("Update: %s\n", upload.filename.c_str());
4 l: c+ m) l7 T, y - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;9 K- [; c8 y# T" u$ T9 L+ }- s3 x, K
- if(!Update.begin(maxSketchSpace)){1 K& I. `8 Y/ N( F
- Update.printError(Serial);
1 F& u2 p- D3 ^3 v/ }/ ?% Z6 K - }
/ _' I- h4 j! G, _$ s" H - } else if(upload.status == UPLOAD_FILE_WRITE){) d T* B) I1 q
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){( L1 L e8 S3 C6 V) {
- Update.printError(Serial);
9 k# k# Z' H, `9 _) y1 { - }
9 X1 A" L6 ~5 e - } else if(upload.status == UPLOAD_FILE_END){
8 S: J' t2 M, [; P" G - if(Update.end(true)){& j+ z7 `" v1 I/ n4 H, S8 h
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);+ d- L/ z1 N8 z) e! y! ~) j, w- T
- } else {
, C" l; t8 i w1 N/ ^ - Update.printError(Serial);
: \) @. L0 m8 t$ m! w3 @4 S - }
. w! l$ L' `3 ^ P ] - Serial.setDebugOutput(false);
( ?5 }) \ v) N$ \' W - }/ C( b$ b: ~9 F- I) B9 H# m4 h
- yield();# E1 I* n, ^. m O
- });
0 g7 I0 O& P1 B: D4 U" A- G - . _/ y6 X- \8 D0 q2 s4 c m% j c
- digitalWrite(2,0);5 l4 ^4 S4 k m+ u$ u
- mainAction();
3 h: ~. M9 x# [0 W t5 \ - if (digitalRead(0)){
0 b1 Z+ k( b# \4 c) _. L& F" v - ESP.deepSleep(0);
2 e. t9 |& a9 b& E1 h - } else {
1 Z1 n' c8 u8 n% p/ [; O; K - server.begin();
9 f x4 Y% l( b: j( H$ `3 i9 j - }
7 z! R: U; b2 W8 p6 \$ h) d - }# C1 o; w0 U; U5 m( o
- void loop() {
6 j z) f8 P7 w% G - server.handleClient();- _. s$ \% f4 n0 K/ j# y0 X
- delay(1);2 R( K3 ~, M) x* V. u# m
- }& C' b% J. X1 P y; v
- String doGet(String url){, Z* S; g* W1 |" ]% J
- if ((WiFiMulti.run() == WL_CONNECTED)) {
- S6 o2 U* u9 F+ g7 T; W+ w - HTTPClient http;
) K5 e, S$ ?. ^0 R- u9 B - Serial.println("[HTTP] begin...");
6 z; t5 M5 Q S" J1 T& x - if (url.startsWith("https")) {
- R) K" o2 ?# L' f! O - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
R* r2 I1 N( N5 M& n7 O' o9 ~ - } else {
- E$ x+ y' ~0 e9 V' ?* c2 V# b - http.begin(url);7 q! `$ c1 a6 s( N2 r. c
- }
1 d1 s4 a+ d2 J3 H& h - Serial.println("[HTTP] GET...");6 U9 f8 ~ K+ X. N% v3 M" o: X% N
- int httpCode = http.GET();% F- ~3 u% A, J+ P7 ]) E, c6 I
- if (httpCode > 0) {$ d# h/ r# ^3 ?% K- O- Q7 X
- Serial.printf("[HTTP] code: %d\n", httpCode);
- _: ]# P/ B& i$ z4 k - if (httpCode == HTTP_CODE_OK) {
0 I1 j: ^2 k4 I S - String payload = http.getString();
: `4 g# W; W" t! L+ @: k5 Y - Serial.println(payload);% r! r# v! a& B6 n8 O5 K) }
- Serial.print("\r\n");5 ]/ l9 G% U- b( c" s% x6 H# |7 a* J
- return payload;4 o0 `4 M7 ~4 |, O! b( m' C
- }
: ~% K+ T0 ^" q% L8 t - } else {% m* }0 N6 R& C" A/ O+ G
- Serial.printf("[HTTP] GET... failed, error: %s\n",
# H5 C* v, S: Q - http.errorToString(httpCode).c_str());
0 @' a& {8 l1 f, B% t5 r - }
1 ]8 D$ D/ J0 A4 }) A, G( b - http.end();
! \& e. g& S) Y0 X) q - return "";
1 v- c* G) y+ F5 V4 T - }
. J. b, p# [5 | - }
$ |* k3 {! j; l - void mainAction() {
9 s+ t% Y8 f4 b4 S - // 发送请求8 \ l' ^' u$ U6 J6 c# g
- doGet("http://google.cn");
$ W" t; K& m$ b - }0 t. c& A5 e w7 m
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