|
|
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) @, A: I# I: L) v4 \
- #include <ESP8266HTTPClient.h>
# a8 |7 X" x; |5 `0 G& Z& s7 _ - #include <ESP8266WiFi.h>& @6 b3 J/ D( ^& y! G p; c9 R
- #include <ESP8266WiFiMulti.h>5 x7 L" j0 p" e5 M# B4 n
- #include <ESP8266WebServer.h>
* t. L* l" n7 t5 C% X* j - #include <arduino.h>: p/ [) P5 A' M
- ESP8266WiFiMulti WiFiMulti;" E6 V% B" t* \; }
- ESP8266WebServer server(80);4 Z5 E9 t: R0 L- n+ N
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
, U2 Q) l/ ^! S+ [1 O9 G, u0 D - ADC_MODE(ADC_VCC);7 @ Y5 v2 E( D$ A
- void setup() {
" v3 v9 j1 q! ]1 I/ ] - Serial.begin(115200);2 \/ {; V0 Z! E! ^# _1 \& D
- Serial.print("\r\n\n");
- c* S" ~7 z5 k9 p( |6 Q - pinMode(2,OUTPUT);4 n( |/ ?7 F/ H1 N# C
- // WIFI
9 i8 T2 ^8 z* T" o# x2 y - WiFi.mode(WIFI_STA);
/ t% E; y0 z/ i% K - WiFi.hostname("Sparkle");1 S6 ]) B; S1 A4 U% g8 ?* I l
- WiFiMulti.addAP("wifi ssid", "wifi password");
* F D2 c$ _4 {/ D - int tryNum = 15;1 L, n3 Y& ]+ e. r8 v! o
- Serial.print("Connect WiFi");9 w5 z4 S' Z" ^5 c2 R
- while (WiFiMulti.run() != WL_CONNECTED) {( x( f! [ @4 f3 F
- digitalWrite(2,0);
4 m3 V& T; [7 b* ~/ F$ s g - delay(200);
4 V2 ~+ P: W6 m/ u, y1 ? - digitalWrite(2,1);
( a) c1 V3 D5 c6 H% v/ v3 S) h0 x - delay(300);& h6 v7 ~: j1 [) E4 u
- Serial.print(".");
: Z* d' Q2 n! b6 f- r- D" @ - tryNum--;
2 J9 C# s2 a( o8 i/ Y - if (tryNum == 0) {4 B* C* H. X* @: W: _
- // 1min
" L: P& O3 d& q - // ESP.deepSleep(60e6);
! h" U! K9 C2 t+ P - ESP.deepSleep(0);- V/ }' `" |5 l, J* r8 R
- }; O7 \& T1 V+ x
- }: ~! O! `. g+ [2 Y3 U
- Serial.print("\r\n");
6 R7 |5 m/ g% _: U# `! B; I - digitalWrite(2,1);4 C2 t% g$ O, `) Q2 w
- Serial.print("IP address : ");
0 P7 ^0 U" @# ~, y$ _9 Z- W+ M5 @ - Serial.println(WiFi.localIP());
' B; K9 N/ J$ ^" y - server.on("/", HTTP_GET, [](){" d8 M0 q1 Q8 V! C
- server.sendHeader("Connection", "close");
z6 f4 {/ k+ }8 N7 y$ @5 a - server.send(200, "text/html", serverIndex);; f: k( O( g9 D6 ?& [
- });
% t+ ?9 \8 E5 n! h - server.on("/update", HTTP_POST, [](){' H# n" }. g% V/ j
- server.sendHeader("Connection", "close"); O6 p/ d. E; ?. K. ]7 j! W
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");6 M3 e" }/ X! y
- ESP.restart();
0 A6 K4 F9 v" Y - },[](){8 _. ?# o* M6 B+ ~& v1 X9 Q$ c
- HTTPUpload& upload = server.upload();) B- `, y/ v$ b" h4 R2 T, x: A
- if(upload.status == UPLOAD_FILE_START){. G9 a8 L3 {$ }: P3 O$ ?' {
- Serial.setDebugOutput(true);# A1 V9 d1 D' F% q6 q) \
- Serial.printf("Update: %s\n", upload.filename.c_str());+ }- l. E" V9 L% d( [
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
( l1 m ]6 C! r# G- N' }) { - if(!Update.begin(maxSketchSpace)){6 h, G; {5 B4 F: a: o/ i8 D+ G
- Update.printError(Serial);
; u. ^9 i5 b% |5 B$ { - }
* O! Q+ O* O" y: I - } else if(upload.status == UPLOAD_FILE_WRITE){
" _" I% V4 p: C; L% ~+ l9 d. u - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){4 A- J0 d+ S% a0 Y( d
- Update.printError(Serial);/ x1 t8 [3 y( P0 m! }% p8 ~6 S
- }/ u# X# Q) n* l/ t* H* w0 K. V
- } else if(upload.status == UPLOAD_FILE_END){
% H/ I, P% q( X/ c8 g - if(Update.end(true)){8 _- `9 L: V. }9 b+ z$ K! Z
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 E ]7 G, l4 n4 Y3 @: e S
- } else {
* P1 H4 r7 d& w& y+ f3 r - Update.printError(Serial);
5 F2 c4 g- ` p - }
7 _* c: s4 f2 g. m7 A+ K5 `( q9 T - Serial.setDebugOutput(false);% _! a& V K" k* g7 ` z, r
- }
( R7 G4 F# g. |( ` - yield();, S2 b, a2 f; p
- });
0 @) e! {5 A( N8 l% h0 d -
+ e8 }' {. ~2 g" s& P* ?2 }2 m - digitalWrite(2,0);
& _1 c6 x. O2 s3 k - mainAction();* X& o8 m8 x+ Q8 v% S
- if (digitalRead(0)){
5 d3 \2 l% Z& s0 ` - ESP.deepSleep(0);" A/ N) b6 q1 V! [" p" r ]0 [
- } else {! d; f: x0 e U1 o
- server.begin();
5 j, s4 N$ u# }: b - }9 j/ J9 n: U% G ^6 ^3 r
- }; f! m- g' y+ V4 {' |
- void loop() {
& n/ c$ W+ s V& ^; q* v/ c; ^2 x - server.handleClient();
5 N8 O+ G& r+ g7 j$ T - delay(1);$ B" q4 k( Y. h' n. G* l
- }
8 z+ ^& b& b/ U# ] - String doGet(String url){
8 N2 l# l" m g! t' k+ A. ] - if ((WiFiMulti.run() == WL_CONNECTED)) {8 V/ r. _2 V; g& a% ^" E$ m
- HTTPClient http;3 T* y, _8 ], p& {" O- O" [
- Serial.println("[HTTP] begin...");! U# O, {6 s; n3 j, y" M
- if (url.startsWith("https")) {4 C. ~4 a$ `! G6 a. x
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");6 q2 `6 L. q/ Z- f
- } else {
5 {$ ^- l4 Q! ] - http.begin(url);7 B: m$ u: n& t& f. W/ V5 u. ?
- }4 S8 _; ~; S- p: J+ L2 j; o
- Serial.println("[HTTP] GET...");! {( W' |% S' c. Q5 l
- int httpCode = http.GET();7 a* t* v5 d7 c2 V# F, G
- if (httpCode > 0) {! d+ `! K% [" [9 p
- Serial.printf("[HTTP] code: %d\n", httpCode);
% f, }( e) R$ \. G - if (httpCode == HTTP_CODE_OK) {8 n+ s; U/ y7 b7 r L
- String payload = http.getString();
' S8 Z# j$ B0 h! U; F E: X/ M: K0 h - Serial.println(payload);+ W& n' X3 y' l5 ^. F `) u
- Serial.print("\r\n");6 O' `9 ?) y; _5 @9 k
- return payload;9 h4 h! e; b: B' q/ u6 S0 e4 O) q% i0 M
- }
7 h+ [8 e9 o K5 W L - } else {8 J5 J) H1 j/ x) L% h" p) `; g' r) ^
- Serial.printf("[HTTP] GET... failed, error: %s\n",, W) l* s& C8 U1 J
- http.errorToString(httpCode).c_str());
4 B( m, g. I8 n2 O- s' e8 C& T/ } - }
' Z" H6 h$ Y: T' \6 W& x - http.end();
" V* J( b+ J3 f. w, a - return "";% H( @ Z! v; j% d
- }$ k: e Y& e0 U. P# H& v
- }
9 [8 W/ O' C- R. P7 A - void mainAction() {
" `/ `0 Q0 B' V2 H5 m# \0 R2 H - // 发送请求% F; {; m1 r, b k0 N% z# u: I
- doGet("http://google.cn");
% }" G; |3 Q; w: M( Y% J' B+ ^" e9 V - }/ T9 s3 Q ]. K$ z
复制代码 |
评分
-
查看全部评分
|