|
|
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)
. a2 x9 r. a8 Z2 \% J- #include <ESP8266HTTPClient.h>
8 N: E+ } w) |0 }4 J - #include <ESP8266WiFi.h>2 L2 K4 i" p, s* R7 S
- #include <ESP8266WiFiMulti.h>
1 U; E" q! J9 S+ l+ A( E - #include <ESP8266WebServer.h>) \ M2 U' g$ B% t% ~' T+ S% g
- #include <arduino.h>$ w1 O& _" b. h& g- x8 q: E# s
- ESP8266WiFiMulti WiFiMulti;8 U: K ^( P: |; R1 l6 o ?
- ESP8266WebServer server(80);
( U o; ]! G3 x5 T9 Q - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
3 z6 Y( @4 W( H$ V - ADC_MODE(ADC_VCC);1 f% n3 @. S" b. X/ R7 e' O
- void setup() {
+ _- j& S# F1 P" Q3 ] - Serial.begin(115200);
3 {& e+ r; [/ j0 _; C - Serial.print("\r\n\n");! A Q$ s! A D- Z& {7 Y |7 Y
- pinMode(2,OUTPUT);
, T6 W) A+ ^3 I5 p+ E - // WIFI8 T4 d2 H: X- s( R" R& @/ ^
- WiFi.mode(WIFI_STA);! @0 z4 ]# F' R' h3 U
- WiFi.hostname("Sparkle");
, G Y/ h6 t5 ~1 L - WiFiMulti.addAP("wifi ssid", "wifi password");
- P* r0 U! R# T - int tryNum = 15;
( X$ a0 T7 }0 [9 N* {2 z3 _ - Serial.print("Connect WiFi");) W; e. b# ?) B/ v) P2 d
- while (WiFiMulti.run() != WL_CONNECTED) {
+ l9 L" A# @4 D% h& [ N' P' \* a6 M - digitalWrite(2,0);7 t: n0 X, ~% l4 p* a3 K' @5 j
- delay(200);
- M$ Q6 G7 j& j' F9 O, ^- s1 \5 B - digitalWrite(2,1);8 `5 f2 j" t* B
- delay(300);2 N6 V% [# G/ i& q$ p
- Serial.print(".");( K) ]* |8 L3 b6 H1 Z# w
- tryNum--;
/ g; l- j1 I0 N6 ? - if (tryNum == 0) {$ O' B4 `7 c+ V
- // 1min w6 C" ~# P8 `; {% A0 B' R
- // ESP.deepSleep(60e6);
6 X% ^! C: |( C% }! U - ESP.deepSleep(0);
% F2 W9 r4 x4 o$ q - }' A: N, ]' u2 Z- y9 {; u' l0 Q) H" `
- }
( {& J8 e0 {, z+ ^; l. n1 N9 s7 \ - Serial.print("\r\n");
( A, N+ ]' z: z* S, ] - digitalWrite(2,1);
1 z/ ^- o" B5 Y8 P; v' v3 n# | - Serial.print("IP address : ");
+ Y) z& o K2 J7 |8 ~8 Y* N - Serial.println(WiFi.localIP());
: e5 T# P! G- q$ ~- } m1 I* N - server.on("/", HTTP_GET, [](){( g" L+ o& L7 {( F+ d
- server.sendHeader("Connection", "close"); [$ |2 Y# j* q! T& T: _6 S6 F* l
- server.send(200, "text/html", serverIndex);
" d# }9 Q% a8 \ t5 j - });4 X& U) {& Q: D, l: T) e& m+ a. u
- server.on("/update", HTTP_POST, [](){' j, }. V& R$ M7 @
- server.sendHeader("Connection", "close");
% h) P" I4 q. z- R9 k6 T - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");! \2 U: G/ U! d
- ESP.restart();0 B, u6 ]5 g% N6 F# Y0 q
- },[](){
5 }% C9 G$ N- ~3 G8 O. M - HTTPUpload& upload = server.upload();
- N* q! {1 N$ K9 Q - if(upload.status == UPLOAD_FILE_START){- [1 _/ J" @, c8 z! l
- Serial.setDebugOutput(true);
* Y V4 `3 v: y2 R+ I3 b - Serial.printf("Update: %s\n", upload.filename.c_str());7 V, ]4 I4 p3 o3 y1 W
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
e. t5 Q8 a9 {1 R! ` - if(!Update.begin(maxSketchSpace)){
! ~& {% h3 D8 b) O8 k8 l - Update.printError(Serial);
1 X) |& h1 X4 s7 ^1 F" k - }
1 [# C% t4 \, J) U - } else if(upload.status == UPLOAD_FILE_WRITE){8 {1 z' K( T, q+ P
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){5 i) Y! v# R5 C7 |( A) \; Y
- Update.printError(Serial);
2 {) A4 V' S: Y. H! ~ - }
. I, a: I+ ~' ?- i& G4 V - } else if(upload.status == UPLOAD_FILE_END){ U# V" H% y, l y8 p/ \1 r% L
- if(Update.end(true)){( ^/ N! z% _1 Q' t* z3 s
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, k5 ~' _0 C0 }+ { - } else {
4 Z/ G. o' r. H2 G - Update.printError(Serial);$ |% V" f$ H% T) F0 \4 c& A
- }
+ W! c$ F% T4 [/ q P3 T/ j; P - Serial.setDebugOutput(false);
. Q. H& r$ d8 t$ T$ T+ F3 u- N - }
( ~5 b9 B* o2 E% p+ ` G3 t+ o - yield();& V; H3 u R1 B1 a$ o
- });
+ z8 W. _+ {6 X' b" t -
+ P) R: l% R, l, M! T5 M - digitalWrite(2,0);
& ]9 O- c, d: @, p - mainAction();& n4 J* n6 k0 |5 d7 U, @
- if (digitalRead(0)){
7 ^+ T4 m( L7 H8 R - ESP.deepSleep(0);
! ?0 [6 p# M1 x& T# R3 }# i - } else {; v5 e- O1 f. J6 p% X5 S
- server.begin();
" L7 g$ W" {9 m4 V5 v - }
$ f& E" R( n1 G - }
$ m$ P C2 D0 L+ Z5 h- j - void loop() {: C3 j$ v4 t ]4 O3 \
- server.handleClient();
[- {- \ \! g( k. w' [- s$ g: L - delay(1); Y; T7 ]; i, V. j
- }
0 F' K B4 ^: f3 N0 ]5 b - String doGet(String url){( @) C$ T. ]; ]* E8 Q& l: Y
- if ((WiFiMulti.run() == WL_CONNECTED)) {6 A* G- b% _; c
- HTTPClient http;
$ }5 H- i- C; v! F" Y8 d! K/ h - Serial.println("[HTTP] begin...");
! U. d ]# ~' L: p& D( s6 \$ S - if (url.startsWith("https")) {
, C. w9 Y2 l9 j" e+ h3 R2 t* U8 Q0 r - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");: X; d, f5 E7 F3 s4 D
- } else {- g* L' j7 ]' _" V: Q& E% V3 }
- http.begin(url);
2 K& b7 w9 ]* Y - }, \5 e7 d' Y/ b6 A) m
- Serial.println("[HTTP] GET...");7 ~# C1 s6 }- U4 D6 n: b3 L; ^" F9 Q
- int httpCode = http.GET();
( @0 X/ O* l# Z% j& ~ - if (httpCode > 0) {
M! P$ r0 I& B* f. N - Serial.printf("[HTTP] code: %d\n", httpCode);
% M- i$ Y5 I# C" u9 X4 M! o) W - if (httpCode == HTTP_CODE_OK) {
) w- P1 D0 K+ K, B3 t: @ - String payload = http.getString();& H5 c/ F6 N9 ~' T. p$ D8 o' L" c. `
- Serial.println(payload);
& \. W" E- a; [4 w7 E - Serial.print("\r\n");
2 O' o6 y O7 ]! L; j e - return payload;
3 h. E3 T x; I& ]' H - }. N% G5 I {3 Q9 Y1 w: a) P
- } else {2 n [+ |# v8 k( O
- Serial.printf("[HTTP] GET... failed, error: %s\n",
8 c( `6 r& a% P& f8 ]3 t - http.errorToString(httpCode).c_str());' T0 `' d5 }/ A0 @: \
- }
8 K3 X7 r/ k1 L/ h, c - http.end();8 s p- ^: Z. d! Y( S# a9 }) I
- return "";& w0 Y# d& y; ]
- }7 h6 s# n# G) B1 s8 ]+ N
- }
7 F9 m) F/ S1 c( f - void mainAction() {
9 f3 M5 R' R7 P; X$ w - // 发送请求+ U; i, A# X; W$ U/ _% A
- doGet("http://google.cn");! N' @) Q! A/ T7 g. F& ]: x
- }
% x+ e2 i' L8 ]! r5 {
复制代码 |
评分
-
查看全部评分
|