|
|
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)
! x; i# M! o/ w5 N7 g2 `- #include <ESP8266HTTPClient.h>( ~+ B( k5 w1 w% ^
- #include <ESP8266WiFi.h>
9 q8 h* c+ S; J/ I! T# D& T - #include <ESP8266WiFiMulti.h>
$ u; s5 D7 P( R8 q" k - #include <ESP8266WebServer.h>3 c" Q0 w3 U0 M$ B9 `
- #include <arduino.h>4 a7 H# f$ h2 S' z$ Z' z
- ESP8266WiFiMulti WiFiMulti;/ I+ Q4 `1 i$ |5 \
- ESP8266WebServer server(80);
* v0 d) X) _- P* S4 R; M' ~ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
$ d& E5 S$ a T- t - ADC_MODE(ADC_VCC);/ `0 z2 e I( }) Q0 E3 x6 [' B
- void setup() {3 a: ]. }, J p% j1 t% f
- Serial.begin(115200);- l( h% \6 F1 G$ F; H( q9 O5 ^
- Serial.print("\r\n\n");8 L4 E* r. D1 {( T* K5 V
- pinMode(2,OUTPUT);
+ t9 d: s( H I* m1 J2 x- ^, h - // WIFI8 A/ c( t: _' c' y6 d8 z
- WiFi.mode(WIFI_STA);
2 k4 ^8 T" }$ I2 S - WiFi.hostname("Sparkle");) K0 N. L+ Z- P
- WiFiMulti.addAP("wifi ssid", "wifi password");' U# ?% L2 ^( s9 T' s/ ]
- int tryNum = 15;
2 P/ _2 ^; ]5 y - Serial.print("Connect WiFi");
) F1 O# Z$ c4 H2 M- ~; l2 B - while (WiFiMulti.run() != WL_CONNECTED) {
2 L3 _! h5 y3 x) U9 U2 p+ I9 F4 R6 s e - digitalWrite(2,0);* G- Z! ~; P9 X# n5 a
- delay(200);
+ G; m4 L7 p E$ P, c6 n - digitalWrite(2,1);
" }5 {+ A& {+ Q% U - delay(300);
% q' U, g+ s3 g2 `/ [. z( ~ - Serial.print(".");5 f' m/ x) m# t. I( c5 Y8 n D
- tryNum--;6 ?" g; `: r' N$ E4 v: X- o8 L
- if (tryNum == 0) {
) V, Q4 ^7 L7 m, a) [/ c- d% @ - // 1min% k1 Y" b0 J3 D: h; d
- // ESP.deepSleep(60e6);4 k% f7 _ w) ~6 y) T
- ESP.deepSleep(0);
2 s# K2 a* F$ n2 [' O - }
. U9 }$ O& r0 j3 | - }! f ?, | A5 h1 b
- Serial.print("\r\n");+ X Q, M1 [+ P% C. B
- digitalWrite(2,1);
# [: k6 \) a. K3 @% l - Serial.print("IP address : ");% }) g& \" d3 h
- Serial.println(WiFi.localIP());% B: Z- u& B! o! c
- server.on("/", HTTP_GET, [](){2 E7 F$ H& {- _" }
- server.sendHeader("Connection", "close");. X" F- B+ ]) L0 D( i5 L6 o* b
- server.send(200, "text/html", serverIndex);* w: M" M& Y: {! M# R
- });
& Z# k) `( x2 e5 @2 V$ B8 O% } - server.on("/update", HTTP_POST, [](){0 H& ?8 C0 J" I* F! Y/ B( N3 g
- server.sendHeader("Connection", "close");
/ B m; s6 h8 r) Y8 W - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");/ M) [1 T7 O. l% Z$ L( ~- d) [
- ESP.restart();
# |$ @, {. _! `3 n1 a - },[](){/ C9 k8 ]" r2 J a( ~
- HTTPUpload& upload = server.upload();
' [ R" e1 _, G% X+ D6 V' k, e5 k7 V - if(upload.status == UPLOAD_FILE_START){
; g+ I9 J) H+ N# _ - Serial.setDebugOutput(true);
! j! k0 J( y7 W6 E$ K3 v3 t: B e4 t - Serial.printf("Update: %s\n", upload.filename.c_str());
" P3 W! R9 I+ }* I1 b% A - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;2 z: E& w+ z, d* W+ S2 Q( |# ?. m
- if(!Update.begin(maxSketchSpace)){. v: c% [5 D# G. J1 j
- Update.printError(Serial);" x7 ^8 S3 S+ Q( n j
- }( G9 j. l, V" G9 b' u! |
- } else if(upload.status == UPLOAD_FILE_WRITE){
& b( F, m) A7 J6 p& M4 K+ V( A I - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
# o0 a, O7 w \ - Update.printError(Serial);( G0 X. s$ N$ A5 t0 X9 s
- }+ ?+ g: {* K# d* M* {
- } else if(upload.status == UPLOAD_FILE_END){
7 t i4 k7 b6 L( L5 T- P8 s - if(Update.end(true)){
+ M6 D' g$ X5 }: {7 ?3 z - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, Z5 ]& n- \# K, Y- h" [% ^ - } else {
1 [/ K% {4 n F" i* p" ] - Update.printError(Serial);
9 s! @8 X# c6 R6 r" l& z% p - }
% a2 U# `! W: c5 ` - Serial.setDebugOutput(false);! g+ ~! Z8 K6 H6 B+ a$ b+ M2 {2 e
- }3 Y5 N# g. V4 u5 {+ B+ w2 d: H* {
- yield();9 H% \# f' _( O4 {7 I
- });
! K5 D8 X+ H w1 O6 @- F - ) U9 w8 I( b/ @) _# W7 _2 E4 V
- digitalWrite(2,0);- f; n5 B z% Y( C9 ~: e
- mainAction();
( |+ T! U% C: T$ { A! L - if (digitalRead(0)){9 m$ h1 f8 V+ l0 Y& x9 z& t' O
- ESP.deepSleep(0);. a( Z& m: S! {( x3 ]
- } else {
" z+ e& M) j5 e- e+ z" x/ I - server.begin();! Q* G4 W" \6 L% @# e
- }0 j; _- M5 z, ?
- }
8 c6 Q" a, N e$ y7 s" x" t - void loop() {
. G! C* ^9 V) n! a - server.handleClient();
3 Z! q. s) J- A8 r6 U - delay(1);: _9 }; V J* U' P$ N
- }! m- B$ w/ H% h: e/ R8 h u. @
- String doGet(String url){
6 b' K& L$ U- |% j | - if ((WiFiMulti.run() == WL_CONNECTED)) {1 k6 s: Q2 ~; V; F" T% d q \8 K
- HTTPClient http;' N) u0 v, Z8 p3 K
- Serial.println("[HTTP] begin...");
( ?; P3 E( ]* ]7 x' R) S5 k - if (url.startsWith("https")) {6 ~9 W* F! W) @7 n) X4 T8 \# h4 ^5 b
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");! ^& P; @2 V$ H9 }5 @8 ~
- } else {
% X: H, C: l0 d) o - http.begin(url);4 e; G1 Q5 A1 a% f
- }* t3 J& k0 O# X6 j; [
- Serial.println("[HTTP] GET...");8 U# _: f9 M; O- [( |. p
- int httpCode = http.GET();( p/ h U& H& b) a- b. G) p% z
- if (httpCode > 0) {
4 a0 D# f" @" p# d! ~/ C ]0 _ - Serial.printf("[HTTP] code: %d\n", httpCode);& H6 b, T- M1 U# l1 P1 Y" o) n/ d* A; v1 m
- if (httpCode == HTTP_CODE_OK) {7 ]0 ]! S' g2 `; g# S H3 Y
- String payload = http.getString();
1 A0 M% t2 o; ~$ s' e - Serial.println(payload);* A m* M' `! W) y0 c7 ] I$ Y' k1 \
- Serial.print("\r\n");! @: O7 p/ p" o( k
- return payload;( f9 [1 o5 `! w7 A& a" B/ w
- }
% g) w: c( Z+ A' H; A - } else {
" j2 [: X3 \# d/ E* Z& f5 t* y - Serial.printf("[HTTP] GET... failed, error: %s\n",8 [1 }: S3 R" B7 r ] F/ P" J
- http.errorToString(httpCode).c_str());* o; g' x* a4 a& Q, ^ U! c
- }
, u8 n; H9 L6 t - http.end(); ]+ E. T" T0 @% W
- return "";$ V! A' b# v9 D' T. _
- } [/ ?1 n ~8 `5 \, W" R8 I
- }+ U% [$ w& t f' u
- void mainAction() {- \* e1 y( P6 x; N% b" I) l) d: R
- // 发送请求
4 D2 f6 Q0 D! R- r2 i - doGet("http://google.cn"); b+ X! }0 ^# X4 e! i" T( u! y
- }
' b& O- ~: j5 {5 C) z3 c9 {' Y
复制代码 |
评分
-
查看全部评分
|