|
|
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)
& M5 G5 S# k3 B3 j- #include <ESP8266HTTPClient.h>% E$ F# `5 i4 s3 E) x) [
- #include <ESP8266WiFi.h>5 C% Z( I9 o! I- m, b
- #include <ESP8266WiFiMulti.h>) Z+ |# E' ?. a! x& [- \3 b
- #include <ESP8266WebServer.h>
* t1 Q) f: q& x: f( f. }, J - #include <arduino.h>
1 [7 m! `& ^/ Q% g! s - ESP8266WiFiMulti WiFiMulti;! d% h, ]9 Q$ z& I) n# M
- ESP8266WebServer server(80);# Z# ?$ n; t; b) h+ H
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";# C1 p4 ]7 O0 }, C) X. x3 [
- ADC_MODE(ADC_VCC);
4 b/ X8 z3 E& t; N9 S4 P# B5 W7 z - void setup() {
. {% i- I c `$ o3 d/ A - Serial.begin(115200);
4 m1 r j: J8 V$ r - Serial.print("\r\n\n");2 ` H: a5 B; P4 A3 a% A6 _0 D
- pinMode(2,OUTPUT);* o7 g) C2 K7 T* C, R% E
- // WIFI3 f4 Z& K4 I2 l/ [9 d
- WiFi.mode(WIFI_STA);
3 C1 k/ q$ Q- B4 n - WiFi.hostname("Sparkle");& H- h! M0 r% a! M
- WiFiMulti.addAP("wifi ssid", "wifi password");
5 Z( U* T& z6 I. d# A; l4 r* ` - int tryNum = 15;: p) I' K j8 _, h& l
- Serial.print("Connect WiFi");9 P; x& f: w6 I* F. C
- while (WiFiMulti.run() != WL_CONNECTED) {4 V, o G k. U& H
- digitalWrite(2,0);# D r. X4 d: I6 \
- delay(200);
( a9 V1 d9 S% T" P. t - digitalWrite(2,1);; Y% Q: N8 c1 Z
- delay(300);
% t/ T* Q6 O# V/ G# W+ ?! I( X6 ~5 N: p - Serial.print(".");
: d3 { q1 j( y3 B( e - tryNum--;
; v0 F8 M! }' w+ i6 X5 w - if (tryNum == 0) {
. U8 ~. l9 \7 k% B: V - // 1min% u3 o0 v# y& V4 V1 n
- // ESP.deepSleep(60e6);
7 {* [" T# r' }$ N+ E- ?3 X - ESP.deepSleep(0);+ s% y! X$ n2 R2 @4 h" }0 S' g& N
- }" b4 L9 ]6 q) n# Z9 r# x& g
- }+ F6 i5 t/ O3 w: b+ u. j9 v
- Serial.print("\r\n");/ G* E6 Y7 ~6 _) q6 H
- digitalWrite(2,1);
* n( j) P9 n( Q' J5 p& ?7 s* { - Serial.print("IP address : ");
( D3 ?$ W5 J p, A" _: \ - Serial.println(WiFi.localIP());% |7 h' z8 i' K
- server.on("/", HTTP_GET, [](){* q7 b# j" J* k w
- server.sendHeader("Connection", "close");/ U# C1 Q5 c2 {
- server.send(200, "text/html", serverIndex);0 Q/ F: I, s1 u+ d% @3 e* C
- });
0 v; Y( {/ k/ X) G- M) p - server.on("/update", HTTP_POST, [](){
, @7 B" E, v( q& M5 P - server.sendHeader("Connection", "close");
, v1 b" y' e4 F+ X - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 x) e- ?8 V% [3 ? - ESP.restart();
$ P# \4 d7 u7 y4 @# W - },[](){3 O, w( ?* `; ?: f: k
- HTTPUpload& upload = server.upload();
8 `- F3 h' ~& t. G - if(upload.status == UPLOAD_FILE_START){
. n% A$ \! A. @, A& N6 o - Serial.setDebugOutput(true);
& \. t6 ?9 W( a& q% T y6 n - Serial.printf("Update: %s\n", upload.filename.c_str());' [& X5 b, ^/ T* y4 F$ S
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;( E) J# ~ R9 O
- if(!Update.begin(maxSketchSpace)){
/ ^3 W9 [& f4 ^; U - Update.printError(Serial);2 \+ s1 `+ d, d5 R
- }
0 R% I: x- l! n/ j0 @ - } else if(upload.status == UPLOAD_FILE_WRITE){# M+ b, L" g4 g8 @
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
) \" C5 m/ ?* m' o% N$ j4 a - Update.printError(Serial);7 E8 F) V! X# m$ e7 f. f& t
- }: Z* i3 m6 X% \$ m" S; y* B
- } else if(upload.status == UPLOAD_FILE_END){3 R! ~9 b# O: K7 A
- if(Update.end(true)){( ^ s; ~; P( v" ]
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
P# Y+ V' X0 \; F+ Y - } else {2 V j8 I' [# w) e
- Update.printError(Serial);
0 V. s' w Q2 H: N9 } [ - }" Z- C% X, M' }4 e; H G/ t7 L/ T
- Serial.setDebugOutput(false);
$ r" e* o+ H3 I* [ - }
0 Y. ~9 `/ q2 [& v5 W' w" S - yield();
/ ]* F M" L! ?0 B+ h - });
5 R4 d6 q, U- }5 x - + _# R: O) g" P# }1 Y% t; d N
- digitalWrite(2,0);6 o' V% M1 j# v- e: T' P
- mainAction();/ T: y' N, q! e! Z( ]. N$ ~
- if (digitalRead(0)){& D1 i- e2 m3 l" x8 m
- ESP.deepSleep(0);% v5 r9 r& S# `. ?
- } else {: q5 U8 Z& E2 x6 _" b8 Y7 @
- server.begin();
& y$ h% g9 Z! @ - }; t0 P3 V! g/ G' t) c+ e8 Q4 R8 u8 }
- }
" b% B) V, s6 d, Z3 e* {* S - void loop() {; R: d- h0 H3 t
- server.handleClient();
" c7 l/ K5 v0 a5 ~. V; P' p - delay(1);8 v) u8 Q( E' b9 j( G5 f& G9 u+ w
- }
8 F- e! G+ h% q! g& D+ s - String doGet(String url){
: U9 R$ [% c) g( V - if ((WiFiMulti.run() == WL_CONNECTED)) {
' f+ n. }1 P! L - HTTPClient http;
3 r9 I$ ]7 x& C" g - Serial.println("[HTTP] begin...");
) _% X8 h* i* ? - if (url.startsWith("https")) {1 _5 L8 P9 F R* i6 M) l
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");% i: E& S6 K& L7 Z7 l* F
- } else {
3 K5 k1 [' K- Y0 K/ z - http.begin(url);# Q6 |4 h( J4 v( k
- }& E. {! `( L& ?8 }8 b
- Serial.println("[HTTP] GET...");
4 a; S, h& Y* B% S) C( b8 n% @8 h8 i - int httpCode = http.GET();
- Q, ?5 N5 T: r+ _ - if (httpCode > 0) {
X/ s: k; B. v# H9 z$ r( H* b( v - Serial.printf("[HTTP] code: %d\n", httpCode);( }1 I, l) L+ ] z
- if (httpCode == HTTP_CODE_OK) {
% y+ P( X B# A) I: o2 p+ I - String payload = http.getString();
& ?3 O. _( ~+ K2 W4 P) C8 S" u - Serial.println(payload);
$ g: t7 j% ?0 l- x' h) w; u2 X - Serial.print("\r\n");* o- n' C1 h# m3 e
- return payload;
% a+ e" P1 Q3 n" X- w: o( E - }# I2 a! R0 }( x% E' u
- } else {
4 y% r) r7 D1 e! E - Serial.printf("[HTTP] GET... failed, error: %s\n",
* j% A4 b* e: d! [ - http.errorToString(httpCode).c_str());
4 W' W3 v' D$ d; w4 ] - }
) |8 \7 O4 X6 I2 m - http.end();
4 Z, Z2 Z$ [$ S, r - return "";' B& _. }+ ~* z" L6 b+ N/ m
- }% q& c# K! [- a% X3 K$ P; D
- }1 Y! V2 n" d2 b- M% V5 E5 L
- void mainAction() {
" @9 X9 {+ h* `3 @ - // 发送请求
" z0 k( U, Y( f- \! u* v - doGet("http://google.cn");
6 O7 K4 [) a, b: S8 i - }
% x2 C/ r" }- I7 [
复制代码 |
评分
-
查看全部评分
|