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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)1 m8 t( {/ K4 N, l/ B6 y$ |
- #include <ESP8266HTTPClient.h>
2 a# \# J! E0 x - #include <ESP8266WiFi.h># A: O% h; L+ ]# _6 C
- #include <ESP8266WiFiMulti.h>
) F& H. U! {0 R+ |+ T6 P3 X - #include <ESP8266WebServer.h>& Z) F# F+ l g7 y7 P
- #include <arduino.h>4 K/ a( e! W2 Q4 }
- ESP8266WiFiMulti WiFiMulti;# e: Z6 X' c2 c0 u [+ Z0 V0 o
- ESP8266WebServer server(80);
9 o. Y6 ~0 k4 a/ h7 \ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- @4 | S$ G0 ^0 f; l& Z
- ADC_MODE(ADC_VCC);
% M r. M( k* s1 b: J) d$ | - void setup() {
7 R& ^. X5 [& d( U. U2 R - Serial.begin(115200);) M7 M! N5 C, ? V
- Serial.print("\r\n\n");
( z$ Y3 m5 e! f; H3 o - pinMode(2,OUTPUT);% i1 T1 m+ j$ @1 I6 I9 T
- // WIFI
* F( Z' c$ N8 x7 U7 {% x# y# L9 [ - WiFi.mode(WIFI_STA);
! Z i# M' K# e; L - WiFi.hostname("Sparkle");
# E8 k6 W, Y' `/ y# H3 G5 A( t4 Z- t - WiFiMulti.addAP("wifi ssid", "wifi password");& a, h$ z/ M, Y! z0 ~
- int tryNum = 15;
$ O- W) O2 Y! v' G8 M r! x+ j - Serial.print("Connect WiFi");) A2 h9 z @ H3 Q$ Z/ U4 r7 I
- while (WiFiMulti.run() != WL_CONNECTED) {
7 n; `! s" ? \# e0 X5 G) M/ Q - digitalWrite(2,0);2 C. J- @- Z2 Q. d. \+ A
- delay(200);( P: W- P0 F; x% e6 L2 V5 J5 L9 O
- digitalWrite(2,1);
5 m6 Y& }! |/ v) }% I - delay(300);
) }+ p& [, d9 D2 i3 {+ K - Serial.print(".");& K! a. k1 C: ~( P8 _, _: G
- tryNum--;
2 F* }2 p% s/ D% e- @" S - if (tryNum == 0) {
+ G5 }% d; Z# p. g# |9 _6 r& L& L- f - // 1min$ ]" a/ F! N' @" u( R
- // ESP.deepSleep(60e6);
) r! D' y, B' ^ - ESP.deepSleep(0);
3 G; u( x) q7 _+ m9 [ - }+ ?& S6 J5 I- b& X2 g
- }0 U( W: h! t8 b/ ^) ]: L
- Serial.print("\r\n"); D6 ~* }! B3 E& A. T
- digitalWrite(2,1);" a/ k; n+ A" n+ C& ^
- Serial.print("IP address : ");
. T' c }% C* [: } - Serial.println(WiFi.localIP());- p/ x5 q) [0 y, k
- server.on("/", HTTP_GET, [](){
# [# S a, ~& c7 F7 Y - server.sendHeader("Connection", "close");: e# U( B' x/ k
- server.send(200, "text/html", serverIndex);) |# g* m0 v5 ]- G+ p* a( e
- });
. w! q9 X& p& Y7 A - server.on("/update", HTTP_POST, [](){$ P5 Z+ F. R9 G- C8 {; N0 _
- server.sendHeader("Connection", "close");8 L# _' E9 c) E7 k3 x& P
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");/ `' }7 R, }. C9 A: d" y
- ESP.restart();
+ Q/ N/ U, `$ x: W) D3 }8 r - },[](){
, E) w- z, x3 I1 K# a0 S5 m" U$ G7 A - HTTPUpload& upload = server.upload();
& j2 R# W+ D: @ - if(upload.status == UPLOAD_FILE_START){9 C7 @' b# L# x
- Serial.setDebugOutput(true);6 b7 z( T( y# J# J! u
- Serial.printf("Update: %s\n", upload.filename.c_str());1 j# `; n M$ W
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;# O3 {% m0 ~7 H& ?. o( P! |, l* @; b
- if(!Update.begin(maxSketchSpace)){* N& S$ u0 S/ `, ^, G
- Update.printError(Serial);2 L6 L v; c0 x/ q8 D0 P
- }
: c; _8 e7 R0 h7 L3 M - } else if(upload.status == UPLOAD_FILE_WRITE){
8 b. f: j6 ^% e; c: c7 |. Q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){; E2 R! s+ }3 Q- a/ ^* w/ B8 }
- Update.printError(Serial);. X* F7 v2 D* W& O
- }' T* g9 z% @4 [( r+ b1 a5 y
- } else if(upload.status == UPLOAD_FILE_END){# A: p6 o; v8 L/ _
- if(Update.end(true)){7 R9 L3 j$ k2 m: P( @5 S
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 J( a, Y) y" M. z" |( o
- } else {
, U" `7 B. u$ [) H+ Q- j" H% | - Update.printError(Serial);
, o% c" p2 c; l8 E, _7 y; L5 [; O# m - }
2 V3 d$ \) Q4 ~" t+ y/ p - Serial.setDebugOutput(false);; ^7 [3 m8 q& U: g1 x* w) F7 C
- }
% _' n) t) A+ h M Q - yield();
. R# f, y$ t% P3 i - });
$ Q" I+ c! a3 q8 a, L -
8 i, v8 q, N- J+ y$ \5 d. K - digitalWrite(2,0);4 H/ ^. O: u9 v+ T, j/ S
- mainAction();
$ U" ^ Z5 h% j+ V: T: v - if (digitalRead(0)){
; B8 s+ n/ L; C2 c" I+ } - ESP.deepSleep(0);5 [. c, `' M( L- A1 W q6 \
- } else {( d7 A3 S# f) v
- server.begin();
l i% P/ _# N% S' o - }# E1 m2 \; Q8 b% `' }$ J
- }
* g8 ~0 e0 A' c* S) L, M - void loop() {
. T, ]) Z. r/ A2 d% ]+ A - server.handleClient();: D9 }! f1 x5 d" j7 s
- delay(1);3 D3 k+ V R/ ]3 `0 U7 O9 i
- }5 k! O( J- ]3 q: j
- String doGet(String url){
3 P; U5 p' s9 Y* \9 X; Y - if ((WiFiMulti.run() == WL_CONNECTED)) {) B* f# I( k$ e4 j' s
- HTTPClient http;, D6 ^7 r( i4 w8 E
- Serial.println("[HTTP] begin...");# k$ K. u" P4 ^) l$ u
- if (url.startsWith("https")) {
- G7 l3 E' y# I6 {3 y& I8 h j - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
6 e+ A( R- R# |! q - } else { S, V4 C. R5 w9 t8 I* y
- http.begin(url);. P! E7 Z8 q" A" U6 h
- }# e3 s% h, l" w) {
- Serial.println("[HTTP] GET...");& E: ?) u4 C0 S% C. E
- int httpCode = http.GET();
+ L6 R7 Y% j% D4 G H' Z5 F - if (httpCode > 0) {+ y+ J/ E4 n2 T
- Serial.printf("[HTTP] code: %d\n", httpCode);' o0 A/ @7 f0 d+ j F k( ?1 N
- if (httpCode == HTTP_CODE_OK) {7 v2 g0 l5 N2 S
- String payload = http.getString();
1 q, @6 B) ]. R- d - Serial.println(payload);
! z- w. ]9 }8 {7 i5 e - Serial.print("\r\n");( ^9 g$ B3 @; U: \. k3 D
- return payload;# F, A: a2 O5 S
- }
2 }+ M* r- Y' c; U4 D - } else {
$ D5 L z) O9 X3 W( W1 h! F$ N/ `5 w - Serial.printf("[HTTP] GET... failed, error: %s\n",
. p' _8 X% N$ `4 B: v" B/ o3 F - http.errorToString(httpCode).c_str());
0 x! y* c9 J4 H! ` - }
7 }% |% ]1 c( X; w$ y' N( `$ R) t- H - http.end();
( w* `5 i1 J- c& A9 S - return "";
9 m9 X9 q! z7 h - }1 W& J) }; ]' ~- U3 ^& O
- }: ?2 D) w- l" g; U
- void mainAction() {( Q8 T! k6 r( f
- // 发送请求
- R( u" i! t% _0 s0 b - doGet("http://google.cn");; ~9 T- x; f! r. U
- }1 B+ }; U% n$ E3 N) |7 J
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