|
|
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). i: f. H2 K* c1 o$ l
- #include <ESP8266HTTPClient.h>$ v8 `6 `0 ?6 W4 P8 c9 x; M) t6 [
- #include <ESP8266WiFi.h>
& {$ L5 A7 t! o$ \( M, F3 z1 w+ x( u$ g - #include <ESP8266WiFiMulti.h>7 U; _! n2 j' Q; Q3 d
- #include <ESP8266WebServer.h>
8 s8 C$ l) j0 ~ - #include <arduino.h>
! j) W" A3 `# C) L- t - ESP8266WiFiMulti WiFiMulti;
: F' z; Y5 e1 L* B1 X - ESP8266WebServer server(80);% i, H7 O4 X7 c @
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
6 e% k% d* F" C2 Q - ADC_MODE(ADC_VCC);4 ?! o. n9 z8 n" E
- void setup() {
! `8 ^& S. J2 I8 }& o e- k2 w - Serial.begin(115200);
% a1 V! C; s% g - Serial.print("\r\n\n");
2 ^5 g8 _% w- t) ]8 w, F - pinMode(2,OUTPUT);
( y8 H1 l: N; G* l6 R9 W - // WIFI
$ _) b/ ^# P& j4 I+ z3 |( S - WiFi.mode(WIFI_STA);* O4 H4 X. n- Y! j" _2 ]) s% l' F
- WiFi.hostname("Sparkle");
3 A5 Z. P( V V) k; L5 @- H - WiFiMulti.addAP("wifi ssid", "wifi password");& \# I. Y; i5 I- a
- int tryNum = 15;& E' K0 _0 _2 X
- Serial.print("Connect WiFi");
7 q: z9 }# y# `9 Y - while (WiFiMulti.run() != WL_CONNECTED) {
+ k0 Z* R; Z5 Q - digitalWrite(2,0);
4 K6 L; V" v3 G! |! W6 H - delay(200);: k8 @3 R- I: U6 S! ~$ R
- digitalWrite(2,1);
0 T) @( q8 [4 x$ M - delay(300);4 d& s: O; z }( U
- Serial.print(".");
$ q9 p: z. X1 w% h - tryNum--;
& U' ~% ~; _- y9 p7 B- o$ ]* _7 g' f - if (tryNum == 0) {
, x- A8 n+ z- k+ {4 g& g - // 1min+ i# z9 d+ L4 G
- // ESP.deepSleep(60e6);: r2 F- } g5 K( H% b5 E$ L
- ESP.deepSleep(0);
1 U: S8 W4 K9 f, L; Y' f - }$ p1 A% I/ D+ \
- }
" X) Y" ]1 h4 S3 ^ - Serial.print("\r\n");
' k9 Y: I- t7 v* B# [2 g7 j o - digitalWrite(2,1);4 R% D" p/ R& a& f. [
- Serial.print("IP address : ");
# S9 I" s- K8 U* \; n+ Y% D8 J - Serial.println(WiFi.localIP());
+ v9 V& ~* F$ g: m- x* [7 @9 T - server.on("/", HTTP_GET, [](){
8 v. |& N, c; u6 O. D - server.sendHeader("Connection", "close");
$ }$ q, W6 c( k - server.send(200, "text/html", serverIndex);8 }( v. U! Y$ }. M
- });
9 ?9 ?& [! R! Q. ?5 h - server.on("/update", HTTP_POST, [](){
4 D$ X+ R$ H4 s# M* a8 W6 _ - server.sendHeader("Connection", "close");$ u/ N+ K5 X6 Y/ X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");& u9 u+ |$ U7 t" V. \6 {
- ESP.restart();! t) j: k/ m% y- N
- },[](){
3 p9 S; J1 G' I - HTTPUpload& upload = server.upload();
7 I! f; \8 v3 y - if(upload.status == UPLOAD_FILE_START){
# f3 U1 }3 M1 ]8 j - Serial.setDebugOutput(true);
6 e% Q, G, R* q) Q8 k2 [; x' k4 j - Serial.printf("Update: %s\n", upload.filename.c_str());+ {3 |+ X" H g2 v
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ n" v4 `6 u0 @
- if(!Update.begin(maxSketchSpace)){" J2 g9 \' t( @2 n2 K: n. I
- Update.printError(Serial);
4 i: m5 ^3 A1 b" F' Z- F - } U* ^5 [7 ^9 P) U
- } else if(upload.status == UPLOAD_FILE_WRITE){
) q+ u! Q' w9 b0 o - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){) m8 b" o3 C0 s# A) ?
- Update.printError(Serial);
& ~' @* y# x5 `/ |' c - }
& C3 g' \. T4 b* P - } else if(upload.status == UPLOAD_FILE_END){
. A* T$ k- E! u" c% L5 W- ?' l! f6 e; H - if(Update.end(true)){
. q+ l/ L. _9 N3 o9 B- k+ @ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
# x8 P8 S( v' A. V$ Y. U - } else {
8 b* C4 W/ C% I* E- | - Update.printError(Serial);
9 T) x. o: P0 V; D5 m6 f; I: r - }. E: y8 l* v6 g
- Serial.setDebugOutput(false);
' E/ z1 k& L! @2 y) L! `# { - }
% d2 U8 X. p% ?7 c2 h8 U- g - yield();
& M, G7 _1 `/ G& I% t - });3 o1 u3 {3 S( S( B
-
) L K% ~9 s `7 I - digitalWrite(2,0);
o2 x D. W* g b* j+ W - mainAction();; n) [8 q+ t- ~& D
- if (digitalRead(0)){9 V( S9 s; r; _* n! F
- ESP.deepSleep(0); @$ p4 |" h7 C1 U8 D6 X
- } else {
- {3 e& \! j3 ^8 \3 W - server.begin();
% k% U5 O% M7 l! s5 X% b4 y: | - }# j7 H s) X) q/ N8 x
- }
! A* `% }7 t6 A x# m - void loop() {; D! s! {- W- J2 p5 O
- server.handleClient();
2 r/ d$ W3 c7 K+ C - delay(1);
, a$ N3 ^/ L, L$ | - }
$ @( y5 ]! G2 Y% ]$ Q4 z* U( U - String doGet(String url){3 o& u( @6 i- D6 O" j% ]7 F
- if ((WiFiMulti.run() == WL_CONNECTED)) {* i% U1 Q$ N# E: \8 t( v; n
- HTTPClient http;/ L5 {: W: _- {7 a4 o" v. y
- Serial.println("[HTTP] begin...");6 z+ Q. x) I* B+ I6 H
- if (url.startsWith("https")) {
" W" \- D+ z, P! U9 v - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 ]& W5 u, X6 X" H' ]
- } else {
; d1 `+ M# P& h8 K8 h - http.begin(url);
2 g- p5 h/ t' O5 x - }
0 b) v$ b" b# ?& P( j" E - Serial.println("[HTTP] GET...");0 I8 h; M' i- o2 T4 b$ v6 K2 S
- int httpCode = http.GET();
, x' s" g" R- J - if (httpCode > 0) {
: z) ]) E3 t* ?" x8 g - Serial.printf("[HTTP] code: %d\n", httpCode);! Z# d. D; N) d3 L3 d& e) n5 ^
- if (httpCode == HTTP_CODE_OK) {
9 U0 `" v! `: `) s0 ] - String payload = http.getString(); j* V; K4 d' R8 O8 N& t' y. @
- Serial.println(payload);
2 ]. _4 y) d' j - Serial.print("\r\n");! }" y6 i% C. Q* S
- return payload;
+ f' a- m! z; n5 y" ?6 ? - }, t9 J6 V8 }4 k0 G/ n9 `/ \* U
- } else {
$ L# J2 \) c" c7 Q4 h - Serial.printf("[HTTP] GET... failed, error: %s\n",) U0 t; Z) r! S; K
- http.errorToString(httpCode).c_str());' P; j i/ G! s" b! [& u5 O( _
- }
7 ]( @+ E: U) e5 @" F8 F$ w' ^7 m - http.end();, W4 W6 S0 \% b; ~/ r' N
- return "";+ p9 i) J9 E- F7 q/ C( X
- }( ~/ |, x. a- `2 W
- }
1 A& {* @' o7 @3 \ - void mainAction() {8 R! P0 z/ I/ K6 u1 K
- // 发送请求
+ H W9 g: m& r8 D - doGet("http://google.cn");! k5 U) z- P3 t/ T. ]
- }
. m' I5 [9 o, v5 a9 r" X
复制代码 |
评分
-
查看全部评分
|