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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)
* y/ ^; c8 p( C' d$ _9 M8 N- #include <ESP8266HTTPClient.h>
& I! X& o$ x# t3 M5 W$ j5 k0 N2 [ - #include <ESP8266WiFi.h>
6 i; m3 e A$ j* I6 v/ ` - #include <ESP8266WiFiMulti.h>4 w* n! x* c8 a! L' n
- #include <ESP8266WebServer.h>: Z& I/ y: Y1 |* g' n
- #include <arduino.h>
; L4 T8 n7 K3 h, P - ESP8266WiFiMulti WiFiMulti;. G) E. \ J7 u9 G
- ESP8266WebServer server(80);7 C+ I. q. h$ [6 p
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 ]- ], _/ Q n y - ADC_MODE(ADC_VCC);5 A! b& N: t, Q* m3 |0 ]% h+ M
- void setup() {
X( l7 @+ D8 ~, W) L! } - Serial.begin(115200);
1 p& i2 W! ?3 y - Serial.print("\r\n\n");1 u" `( z3 ~7 x, `0 g
- pinMode(2,OUTPUT);7 P6 P0 D3 z! U; A& d6 ], x; p {, i
- // WIFI
5 c& f( S: L3 L& ^* N- F; I' ^% B - WiFi.mode(WIFI_STA);9 u* L7 Y/ r8 M/ c K
- WiFi.hostname("Sparkle");+ t$ \3 x; u( Q) E2 i, X6 B# R
- WiFiMulti.addAP("wifi ssid", "wifi password");& @! ~8 l" o1 O, j! L! R
- int tryNum = 15;7 x+ A7 s9 O' c! V- v
- Serial.print("Connect WiFi");
3 W$ s0 D I; h9 \ m - while (WiFiMulti.run() != WL_CONNECTED) {! y3 @5 i4 `, e6 L7 r3 d
- digitalWrite(2,0);
8 c1 F& ^; ~0 o/ w r+ F! R% k - delay(200);8 s, m/ |5 n' r* Y- {$ d
- digitalWrite(2,1);
! i$ u4 _* x9 ]. A, { - delay(300);7 p9 V8 J% B8 { @# Z3 |7 P$ K
- Serial.print(".");# S" w5 T% Q3 h2 R$ Q( H, ]
- tryNum--;; N1 ~$ x& G; q$ |6 b
- if (tryNum == 0) {' r4 U! v9 _, d! C* M
- // 1min, ~( T7 L1 |( }4 E# Z8 q8 K
- // ESP.deepSleep(60e6);
) f0 E) x# Q$ p+ x - ESP.deepSleep(0);! m9 b* F" j& r4 _* t+ j* F4 _
- }% I+ v( d6 ?/ M* k
- }
j& t& O8 I/ b' ]! r _' H - Serial.print("\r\n");( n% ]! A0 V3 I
- digitalWrite(2,1);
! M! A! o9 w5 E3 U: ] - Serial.print("IP address : ");
3 }) w2 c8 v) A' G9 {; F. E - Serial.println(WiFi.localIP());/ u, q# ?, ^+ C1 {
- server.on("/", HTTP_GET, [](){/ q# K; @& r- T; |9 T
- server.sendHeader("Connection", "close");9 A& J0 s7 V; n# D k; N' [
- server.send(200, "text/html", serverIndex);! S6 g. B% Y9 Z
- });
6 ^- e$ w- e4 P$ Y - server.on("/update", HTTP_POST, [](){
! O& r# V, b& ~( ]; f; f - server.sendHeader("Connection", "close");
, p0 I& ]- [2 H6 W" ~ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
8 @: U* C# I& W - ESP.restart();
! t- P: V# O: q. `" R - },[](){
3 L k0 X4 ^4 [+ b - HTTPUpload& upload = server.upload();+ V8 W# G& K$ \
- if(upload.status == UPLOAD_FILE_START){
; k9 K) V, d" P+ X) z* {$ c% B - Serial.setDebugOutput(true);6 c9 r% M; E4 N2 u+ k" \
- Serial.printf("Update: %s\n", upload.filename.c_str());, _2 y. B1 p; K4 z1 S
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;2 L9 n, x& m$ I/ a9 _
- if(!Update.begin(maxSketchSpace)){; A/ Z) A$ M' G2 s" C4 ]4 G+ m5 i6 S
- Update.printError(Serial);% s% S. s( \; E9 p9 C
- }( e& n4 p* K. k; S# I0 r- }
- } else if(upload.status == UPLOAD_FILE_WRITE){% m. D9 Z" M+ p$ f
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){. \" L) ^- b( I: R. ]/ ]$ r
- Update.printError(Serial);: s! U* F$ G- X% V k, `6 m0 v! L
- }$ O2 y* m( ~1 W6 r- U
- } else if(upload.status == UPLOAD_FILE_END){
+ ]) {. ~0 E3 N, N2 l - if(Update.end(true)){9 C. `! r; G1 X* _9 l
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
0 @, x! T9 S& q4 Z- o0 Y - } else {
! c# T& A# W& i; a: O9 D g) O - Update.printError(Serial);
/ a* s6 u; h9 H* s- ^7 f) v - }& F, _1 C8 A- t; R# [
- Serial.setDebugOutput(false);
+ G% _5 ~) m6 g5 \* F: D4 S- N - }
% k. F4 R; w/ m& p7 r/ h - yield();, h* y- z+ Q ~5 N. b s
- });' P' r% ~4 C, e
-
, ? P1 [$ l: i" F# I - digitalWrite(2,0);3 E/ Y# v* @& Q' m1 [- y
- mainAction();& y3 C! j2 ~, [ t, C$ I/ p4 x
- if (digitalRead(0)){$ ~- a- @3 h" R
- ESP.deepSleep(0);
9 G t4 V+ \& U% S) X2 ^* i - } else {/ X, T# e/ x# e* \; o2 K: C
- server.begin();
' x, V9 F5 M* J$ @# s# L - }
" G4 ?3 I+ N$ m9 @% p - }
& x( P+ h) k7 n - void loop() {
) C- e- P! Z, z: ^ - server.handleClient();
! E/ |& g0 ?! i0 r8 ?- r - delay(1);
3 M' H9 p' \+ S* e0 j4 a2 W - }. L/ ]& {8 p# u- u4 J
- String doGet(String url){
+ {* ?. {+ } f. Q" l& ~+ y - if ((WiFiMulti.run() == WL_CONNECTED)) {5 J% i8 U: a. J' u3 ?( B
- HTTPClient http;
' m& B( f$ l% U3 ~8 i# | - Serial.println("[HTTP] begin...");/ S; C! B/ }' ]
- if (url.startsWith("https")) {
5 k+ i" C* r1 f9 ?/ x - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); z; o# |; q, V0 w5 V
- } else {
# [ a/ a8 k$ R - http.begin(url);
) s2 g+ l6 ]' b! f( r$ N - }: b0 J8 |. ^: u
- Serial.println("[HTTP] GET...");2 q. l) ?3 D1 Z7 o$ L
- int httpCode = http.GET();9 {: k- ?; U9 {! W
- if (httpCode > 0) {2 v% V$ @- W3 ? `
- Serial.printf("[HTTP] code: %d\n", httpCode);
8 r1 f- F' {2 D - if (httpCode == HTTP_CODE_OK) {
. z! J& W) [( D9 i - String payload = http.getString();
5 c; I5 d0 x9 w: i; `3 i* P9 G - Serial.println(payload); j0 d7 B" {: E# J; y6 r
- Serial.print("\r\n");
$ ` i- }' t# f; B - return payload;; q; o& ^" d8 u# R/ u
- }
2 e, M7 k# S" n- M& r/ [5 j - } else {2 v3 U, R5 g4 u# \$ }
- Serial.printf("[HTTP] GET... failed, error: %s\n",! p2 d" _/ c2 P9 a6 m
- http.errorToString(httpCode).c_str());- p4 d* l% S& n; s/ `4 g
- }
- _! x4 q2 _* K* P4 S& e - http.end(); G! Q Z/ @9 h- H0 e7 q
- return "";
: B# U/ k1 V4 ]5 w I3 M - }+ a- x3 r2 q) Y% P: ^9 o% @
- }" I2 e$ |6 t) d1 Z7 R9 R! |0 M/ B ]
- void mainAction() {8 K# P, J2 w# Q' N% n" T
- // 发送请求
. \" a7 _! m1 X0 } - doGet("http://google.cn");
; Z9 ^8 F, t9 K; l/ W- W; C4 \2 } - }9 i9 G( r5 z8 x6 T
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