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发表于 2020-8-25 21:17:24
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查看: 4366 |
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 }1 K. Y" Y1 m7 d: C/ n2 C' a
- #include <ESP8266HTTPClient.h>
/ f9 c9 k0 u; g( ?% |* D; E - #include <ESP8266WiFi.h>
1 }5 I( D# `$ I! F8 [ - #include <ESP8266WiFiMulti.h>
0 L( X7 E7 k6 S: m - #include <ESP8266WebServer.h>
/ R, B; B" B8 e4 U/ Z, L - #include <arduino.h>
' `: L* {% M& o0 r! Z( v l$ T8 e - ESP8266WiFiMulti WiFiMulti;" z: ~" m7 j0 a/ A9 F/ ^7 l; K. n% c5 ~
- ESP8266WebServer server(80);
) O$ @( W6 v L% v. m7 O* x' U" k - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";/ G l- s! e- K; D6 z* @0 W! n
- ADC_MODE(ADC_VCC);
( f: o4 w/ C" U! V7 K2 @+ K - void setup() {
; }0 J4 s, C, R2 X7 B - Serial.begin(115200);
* P) x2 e5 R- p$ r/ I- Z4 e - Serial.print("\r\n\n");
" x$ s3 k; N3 X- O - pinMode(2,OUTPUT);3 U' m% [' u9 b# k/ V
- // WIFI6 K( F6 I& E& T1 @, R
- WiFi.mode(WIFI_STA);
1 w) j- K5 N8 f9 Z' W* O% ^ - WiFi.hostname("Sparkle"); }- f# b1 l# T0 Y1 _. s& p+ w
- WiFiMulti.addAP("wifi ssid", "wifi password");% S+ Y' x1 W1 i8 S: H# b
- int tryNum = 15;6 N! X; M8 x K: o* t4 Q
- Serial.print("Connect WiFi");
' O, g+ T& b: w ~# N- D - while (WiFiMulti.run() != WL_CONNECTED) {
( D" ~# T: k, j9 F& Z' X - digitalWrite(2,0);4 f8 x( e: l1 F0 `# q7 j
- delay(200);' F) K+ J O: m2 C: s1 _2 C; j
- digitalWrite(2,1);$ o1 x1 O' ~1 [6 O
- delay(300);
2 \2 o: U- S9 |7 B, ` - Serial.print(".");7 q) m. C: r6 y" E
- tryNum--;1 \, o1 Y& d. G
- if (tryNum == 0) {
0 Z2 ~; k' Y6 Y - // 1min$ h9 s0 y$ B, }7 k) o
- // ESP.deepSleep(60e6);$ g/ r, @% H! e' E2 C0 V4 d
- ESP.deepSleep(0);
' y/ U% p2 y% B5 n3 Z+ f R - }8 M" u3 t4 H; ?0 f l
- }
! K8 {) N# `. Y - Serial.print("\r\n");5 s: u+ g0 w$ i% `4 u# y
- digitalWrite(2,1);
6 N2 i" B+ I) R6 r, T - Serial.print("IP address : ");! m7 ?) a2 R- f9 Q# E
- Serial.println(WiFi.localIP());
5 E/ |4 n! v* u4 ~9 w% P - server.on("/", HTTP_GET, [](){
2 I8 |) s! o9 a/ Y! g+ |% ^ - server.sendHeader("Connection", "close");
2 J n' X' E) R0 D- {! f9 i5 u4 f - server.send(200, "text/html", serverIndex);
( z2 O3 x" H C. F6 w, | - });
0 s: V0 }- Q U4 E9 ^ z1 A3 Q - server.on("/update", HTTP_POST, [](){8 E5 @$ o0 S- d' I
- server.sendHeader("Connection", "close");
" B+ ?& ?$ X6 X - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");5 {. d+ k* H5 B
- ESP.restart();
* R* f1 N6 L5 F/ X- D$ Z - },[](){% F8 T7 A+ d ?& K2 _
- HTTPUpload& upload = server.upload();
! @ }) x! S1 O* a* J - if(upload.status == UPLOAD_FILE_START){: m7 y" C# W9 Q) b
- Serial.setDebugOutput(true);
3 T& v, X- H/ O* @; W- T/ L- ~ - Serial.printf("Update: %s\n", upload.filename.c_str());8 ~% C' _, M9 u
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;: h+ E$ O& k) i5 c' [
- if(!Update.begin(maxSketchSpace)){. Y, y; S2 d+ h
- Update.printError(Serial);
( g( U# o/ K' f4 H7 U# d' z) o - }. `# c2 m, b1 K' s, B3 j- q0 t
- } else if(upload.status == UPLOAD_FILE_WRITE){
0 k ?! H& z9 y( k1 \ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
; e: t5 S3 \# m3 M2 B6 ~; R - Update.printError(Serial);
2 |. V) n% E( k - }
/ B$ c1 C, H4 V - } else if(upload.status == UPLOAD_FILE_END){
0 r" F& _$ {! b+ A, e8 f/ w2 G( ^ - if(Update.end(true)){4 F* w x! Y/ [/ _& B E
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
3 l$ f; O& s- _* ] - } else {
b8 _4 x8 E0 T: t7 ]* A( M - Update.printError(Serial);1 X" H& S2 s0 J) x1 v
- }+ J* E1 ~. {; P2 \( X
- Serial.setDebugOutput(false);
* L. R# @! }+ g. S' W6 q% @# M - }- \: Y8 Z% G2 u' d2 F9 Y$ \& ~
- yield();
2 R) w! |) e) s/ ~' ^7 C - });
( g7 ?4 B; q/ v- y& O, Q9 ^ -
% b! j6 M+ B6 @; |: J7 L* H1 m - digitalWrite(2,0);$ X) L$ B5 m5 c# T$ a7 }+ t
- mainAction();* C7 a; W$ m1 p/ o7 Y3 s
- if (digitalRead(0)){3 }" v! m% T2 j/ ^5 m- T
- ESP.deepSleep(0);
7 j+ O, P2 ]; P - } else {3 } O6 @: B* g* ?
- server.begin();
/ P* g* J; @& j7 d5 P r; e M - }8 y2 S' l- {, \
- }1 ] C7 r4 Q V
- void loop() {
6 m1 u5 M" s+ c; S3 X y* x - server.handleClient();
* H+ c; E9 K$ U' V) o- p - delay(1);
2 e5 e; J4 y* J - }
6 _& y% h* K5 O) O$ @3 y - String doGet(String url){# p+ R: E8 U5 N2 m L
- if ((WiFiMulti.run() == WL_CONNECTED)) {. K) I! F+ \# G- F
- HTTPClient http;' X- l! p8 Q {/ p8 G( Y( O
- Serial.println("[HTTP] begin...");+ }: E: ^- |# i0 l
- if (url.startsWith("https")) {
q' s. M5 q& X5 e* O$ r9 q - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 I6 L( m& Z$ j' K( o, a5 t+ b$ t# C
- } else {
* e- ^ l6 l! z6 j0 l - http.begin(url);0 n3 d+ ]. V. s, B6 [- x8 z# V6 z6 c
- }
# P% z& I, }1 Y% g' l5 W - Serial.println("[HTTP] GET...");
" `% X, v" w+ m2 V$ D3 P+ m' L! ? - int httpCode = http.GET();! }/ b# D- J/ k1 F0 V8 e
- if (httpCode > 0) {
, A1 n& M4 b2 Q5 P( t1 t q - Serial.printf("[HTTP] code: %d\n", httpCode);
( f8 O3 b/ t9 i4 A L - if (httpCode == HTTP_CODE_OK) {
7 o9 h/ N. N }" W. p/ t7 ] - String payload = http.getString();1 \& o2 @& Q) b& j. v w
- Serial.println(payload);+ s; z7 ^( H4 d/ U$ e$ j/ H
- Serial.print("\r\n");
! i0 z1 A* n( O5 o( X5 B - return payload;
2 d, L, H* ]/ _! @( R" v2 Q# h5 u - }
% B. t7 }4 h8 O, ^8 L: f: C4 f" L, q - } else {. z" {7 M% K6 \' a% {; k
- Serial.printf("[HTTP] GET... failed, error: %s\n",# f2 ~" k* ~" j: u" l
- http.errorToString(httpCode).c_str());
; N B8 o0 e% W- H: f - }
, t7 f1 |# D: ^$ a1 | - http.end();
1 K7 X% O2 J2 N& X) v7 x* e - return "";3 H8 B/ M4 L ]
- }
: q; Z* }; L2 r' B - }
) j$ n i) j+ J+ a- F - void mainAction() {" p. W6 h$ b7 [
- // 发送请求& t8 e, {( X$ n- y: q# Y% S2 z2 E
- doGet("http://google.cn");) Z3 i1 o2 z/ ^/ M/ u
- }
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