|
|
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)+ m' A. X1 J/ d" T4 @7 u
- #include <ESP8266HTTPClient.h>& J6 t3 Q. ~# p: c; c1 R6 n
- #include <ESP8266WiFi.h>- @! C$ W+ c5 p# M- [: |3 O5 x
- #include <ESP8266WiFiMulti.h>
2 [. G1 W6 }1 i1 E0 J! x - #include <ESP8266WebServer.h># l& j! E8 `( m, _( D
- #include <arduino.h>3 m. [( g& s4 D
- ESP8266WiFiMulti WiFiMulti;8 g' P1 q- {6 z& \4 E& {
- ESP8266WebServer server(80);
7 [; g4 }: P8 J y2 O3 I$ w; Z$ a - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
/ _- C1 C, _! t; ~+ l3 M - ADC_MODE(ADC_VCC);/ x8 ]% P) K, Z9 }
- void setup() {
5 h; g. s9 R9 \1 ^ - Serial.begin(115200);/ N' d g& B5 |) v9 m. ?
- Serial.print("\r\n\n");
+ v1 s- m8 S }: R! i* L - pinMode(2,OUTPUT);3 K0 n, T9 g, w" P, ? Q/ R" g
- // WIFI. v7 U1 h, M7 F. d4 N, c+ Z
- WiFi.mode(WIFI_STA);/ m5 b) u7 p, Z5 Y* h# y w
- WiFi.hostname("Sparkle");$ y0 W- r8 ^5 w; G
- WiFiMulti.addAP("wifi ssid", "wifi password");# ]9 D1 D8 T* w7 O
- int tryNum = 15;
1 F- y$ i2 s* J: k% L - Serial.print("Connect WiFi");% |# @0 s& }3 R1 `. i/ ?0 a# K1 s' \
- while (WiFiMulti.run() != WL_CONNECTED) {' |9 A; f6 u4 H
- digitalWrite(2,0);% V, V1 P. j! O6 R
- delay(200);
7 M/ W0 ]$ @$ E8 s - digitalWrite(2,1);. G B. a7 g# \7 ^3 a
- delay(300);# h0 I) \* d: x# k2 U, w. J
- Serial.print(".");
' f# J, k# p) W7 y - tryNum--;. i7 U" ~, Q z7 Q9 y0 g2 n
- if (tryNum == 0) {& t1 C# q3 o- x8 b3 e
- // 1min
/ c: ^3 j6 Q' b - // ESP.deepSleep(60e6);
0 \( j! M. a' w2 R4 l2 |5 ^ - ESP.deepSleep(0);$ _" ^$ b3 b. G. R8 t
- }4 D. p( Q3 p$ S; U$ n6 q) q9 C
- }
6 r3 d- h5 b7 { - Serial.print("\r\n");
' [0 l, M. b$ r; J" x, t - digitalWrite(2,1);
5 O! [1 j* {$ {. y - Serial.print("IP address : ");% o! B0 |) e5 k! a) c3 b X) U
- Serial.println(WiFi.localIP());
+ ]) V) ~1 f( G5 Z9 C - server.on("/", HTTP_GET, [](){
& F% O6 i% ]! {& H+ { - server.sendHeader("Connection", "close");8 O, d" J+ Y* ~! m7 r( }
- server.send(200, "text/html", serverIndex);
. y5 l3 D; Z5 A% Y+ n9 ~ - });
: I! _, L9 J7 A( E - server.on("/update", HTTP_POST, [](){1 ^% l9 q/ k: u% D8 _7 r
- server.sendHeader("Connection", "close");
! R5 e$ c. ?+ m" |8 \+ R8 W" c - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
: q) O1 n9 I) o2 n$ t8 N - ESP.restart();
3 Q2 b( G% x: ]* T8 g' F - },[](){& n9 n- G, G6 s+ b" P9 `
- HTTPUpload& upload = server.upload();6 F4 y0 F. |1 `, S) n9 L/ `; n
- if(upload.status == UPLOAD_FILE_START){
6 Z4 B: D; G# U' T - Serial.setDebugOutput(true);. u$ D7 E2 j4 v+ E
- Serial.printf("Update: %s\n", upload.filename.c_str());
/ Y2 n; \8 J6 S7 u" \0 E- N8 `) L - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
! K$ E' Y1 ^ C5 ^ ` - if(!Update.begin(maxSketchSpace)){( u. j$ r7 O; g$ `
- Update.printError(Serial);4 V% N9 \5 S# N9 w% @3 x& {) _
- }- t, }0 K2 e/ h/ ]2 N
- } else if(upload.status == UPLOAD_FILE_WRITE){
1 `+ V/ J* C, f - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){) p9 L5 K" e. _8 \0 g! ~2 y
- Update.printError(Serial);3 {% e! O1 b# x! b# g2 @, Y D
- }
- {+ ?1 `- g$ Y6 `* t3 U - } else if(upload.status == UPLOAD_FILE_END){
% k* h) m# }! W& e% G) F - if(Update.end(true)){, H- o' m% R& y
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);0 `7 R( P1 |$ k$ k& _" }" f! Q
- } else {3 j& R$ V9 |2 N+ i. `
- Update.printError(Serial);
" p- f& ^0 r$ D9 e - }4 l, N; J8 d) Z7 O5 h0 @" A
- Serial.setDebugOutput(false);
6 T# Z+ `1 P$ p% M6 V8 {( s8 a - }6 L* Q1 T' S. `3 S; V% F
- yield();1 g+ R. K: T2 e2 H7 |2 N
- });
9 h1 L- X* v: ~/ H: ?& ? - 1 b; p' A! X7 X+ ^; a' R) m
- digitalWrite(2,0);) ^3 }4 `. J9 j7 b
- mainAction();' r% r" s2 w+ }
- if (digitalRead(0)){7 t& o. p |) a8 l }
- ESP.deepSleep(0);
- B, q. M( o$ P9 X `( O0 \: H - } else {
% h9 w& v6 d0 \3 L& s D1 @5 y - server.begin();# H3 _4 L1 V7 T7 l0 @
- }
+ @7 k9 ^' |+ s. ? - } S) X+ }/ x8 C- Y; Z( z, X
- void loop() {
5 G* x$ W2 o0 e, q! E+ l7 F - server.handleClient();
& z$ v' T z% J - delay(1);
5 p" j6 H! r" r5 }, t5 F - }
& e J4 H6 V. {: W* P - String doGet(String url){$ ?" i2 r9 g. H, {1 j; K1 P% }
- if ((WiFiMulti.run() == WL_CONNECTED)) {
2 P9 g$ H/ n+ U/ Z h1 ] - HTTPClient http;* S7 R( G% D+ a! V9 C4 t3 m; u: u
- Serial.println("[HTTP] begin...");+ e- ]: O* Y+ d7 B) a
- if (url.startsWith("https")) {0 T' U1 y, F9 c7 d
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
, Y: g0 f0 z6 w - } else {
, l1 K8 h% }4 r% e, m( a/ h - http.begin(url);8 L+ f( L; }! N: h# e: V9 C& J
- }
7 q7 S# d7 _6 v" v - Serial.println("[HTTP] GET...");) c; p' Q( ~& f Q0 v: j1 o
- int httpCode = http.GET();
y2 v- r# Y- n& B - if (httpCode > 0) {
3 g: M& K# B8 C) z - Serial.printf("[HTTP] code: %d\n", httpCode);# y9 M$ _0 t& i2 a# R1 R% O
- if (httpCode == HTTP_CODE_OK) {+ B; B2 u; o, \# ^- k( C% i5 A2 n! }
- String payload = http.getString();
- ? j+ \+ r H - Serial.println(payload);% s ]$ B$ K7 c" h8 E1 T0 g
- Serial.print("\r\n");
6 R& g. ?6 Y! Q5 l - return payload;
! T2 o; L6 N2 `1 y/ }0 n3 @4 X - }# B! d' ?7 g2 e2 I4 J& L( A; m# P
- } else {9 [! f! O) }( ^6 Y' M/ }- ~
- Serial.printf("[HTTP] GET... failed, error: %s\n", _* ?% q+ N! W; r# H
- http.errorToString(httpCode).c_str());1 h4 O! `0 g: e5 h
- }5 q$ o1 t; g s, j5 d
- http.end();
1 i: @: w/ ^3 Y' f5 s" B - return "";
2 M+ G' l" ?* A$ r& [$ h - }
5 |9 ?8 g! i, K! O - }
]2 O# ^/ d' Z% w - void mainAction() {
/ k* X M% o! M" m% e& h - // 发送请求
) k0 S( W* Z) r# k - doGet("http://google.cn");
: m4 |8 l5 [7 X- _. u+ ] - }
- K1 o& i5 J s6 ]8 R! B4 W
复制代码 |
评分
-
查看全部评分
|