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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)" H m4 I6 n7 q D" g
- #include <ESP8266HTTPClient.h>' \9 r& h+ P C& ~0 u. a+ y6 i3 d/ B
- #include <ESP8266WiFi.h>
0 H9 {* W2 N; E& `; U) O; C L - #include <ESP8266WiFiMulti.h>0 ]8 o" k5 l1 a# y" ~8 x% `, X% q
- #include <ESP8266WebServer.h>
0 N& s! O5 [- F$ O. V8 i - #include <arduino.h>
$ h+ R' \ N7 l: p7 K - ESP8266WiFiMulti WiFiMulti;
( `, W. [# v; w9 G2 T/ g$ N) H - ESP8266WebServer server(80);8 X: ~4 J8 v+ V6 ]* m8 a b* z4 |
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";. M- b* D0 v [3 J8 f
- ADC_MODE(ADC_VCC);
" u) F' _3 B4 |' v; ~ - void setup() {5 V0 R* k& k- ]3 z
- Serial.begin(115200);, C2 C, n' F+ z' c8 L: E- d- Q( {
- Serial.print("\r\n\n");
/ | T) }/ S5 x5 X! y - pinMode(2,OUTPUT);
& i. `! \: z) [. z- q - // WIFI
* r3 c9 d8 l, V4 X$ [, W( ^ - WiFi.mode(WIFI_STA);
+ _' z; j( g" s# n- H: V - WiFi.hostname("Sparkle");
. w% D% |. s8 h( H - WiFiMulti.addAP("wifi ssid", "wifi password");8 o7 |$ D4 l- L7 ^* V
- int tryNum = 15;4 h3 U2 b' C, m6 B8 n& ?1 S9 b
- Serial.print("Connect WiFi");
& E6 w' Y% \7 q- a) V - while (WiFiMulti.run() != WL_CONNECTED) {* M! E8 p3 B/ S: L* j* d# S) q {
- digitalWrite(2,0);
& E0 M. `, n# h - delay(200);% I% {8 B1 S6 g2 \" j: m! c
- digitalWrite(2,1);
9 e5 X7 q3 D. Z) F d4 O - delay(300);
) ]9 o, }! q4 V; A& z - Serial.print(".");
- [. T; Z- t! i+ N - tryNum--;% E# l4 }: o% ^, T
- if (tryNum == 0) {1 M6 o! k4 T/ `$ ?8 c. ?
- // 1min0 P ~+ Q. Q1 M3 C2 n
- // ESP.deepSleep(60e6);
: o1 c8 Y# z4 h8 q4 x# J- C - ESP.deepSleep(0);3 z8 W' L" ~; v: V7 c( N4 g( O( j
- }1 Q; k9 c6 J" W& \
- }7 l+ n$ k# z/ A7 J. K) b
- Serial.print("\r\n");
T7 d9 i+ e9 ?3 X; q1 \ - digitalWrite(2,1);
V% J& o8 I W! P8 m4 x( s8 _# E - Serial.print("IP address : ");* ]! R! R( q4 c3 P/ ~( _) ?- F
- Serial.println(WiFi.localIP());
/ S7 O, p; X# t8 m0 R - server.on("/", HTTP_GET, [](){
6 G+ D2 m; O; q' P: g - server.sendHeader("Connection", "close");) \- }: F' B- Q. B0 C9 Q
- server.send(200, "text/html", serverIndex);- ~8 w2 u* O# N
- });8 A4 {8 k+ Q; R1 R
- server.on("/update", HTTP_POST, [](){7 S/ ^8 _2 H. k; a
- server.sendHeader("Connection", "close");
/ b" @% @; w3 v6 ^7 O4 c - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
+ }0 M- u1 g7 N+ B4 W, p( z - ESP.restart();
1 O% X! E; k% K- S - },[](){. H3 I" X9 V" z6 W; A% ]* D( B0 P8 q
- HTTPUpload& upload = server.upload();
# ~' {6 P' v4 n5 o1 D$ @ - if(upload.status == UPLOAD_FILE_START){) u" v7 _0 C7 a8 i$ K
- Serial.setDebugOutput(true);+ v4 s" z6 H' z* Q- K
- Serial.printf("Update: %s\n", upload.filename.c_str());
' |5 } _" M1 k+ l" x5 x# S! C - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;2 r5 m2 c/ }+ p
- if(!Update.begin(maxSketchSpace)){5 } m9 L# c, n: I' V* g* d
- Update.printError(Serial);9 S( }9 l0 u/ |' [+ ?( {- P
- }
9 H+ D- k! \+ n. S1 w - } else if(upload.status == UPLOAD_FILE_WRITE){
: `; T& M$ ^4 C6 f* O8 f% Z' g1 ` - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){, ` M9 M3 ^% e, ?
- Update.printError(Serial);% k$ J/ Z! ~( d' j& s
- }
; F/ B" U. t! v- k5 w. C - } else if(upload.status == UPLOAD_FILE_END){
: r0 v& Z9 {0 a( r - if(Update.end(true)){
: a: }# L+ u( X$ A3 U0 j* G N - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 @3 Q, t9 z" W, S: _
- } else {
) I+ U* d+ g* X- J - Update.printError(Serial);7 Y# B# k2 D; X/ }) _- v+ M
- }
2 G/ P4 {0 o8 X. Q9 I9 e/ G2 m - Serial.setDebugOutput(false);( g8 S# S7 r; F1 F1 u
- }
3 m% |: {7 f8 o4 W, v8 ? - yield();
7 W6 m& c$ D; |) x- d: K - });; _+ E# d, c2 J
- 5 e1 o6 o# ?5 M; n
- digitalWrite(2,0);8 d: l8 O6 i! ?) t3 n; \: v. E
- mainAction();" U4 ~) M6 H) [2 a3 G# ]5 V5 u0 o
- if (digitalRead(0)){$ k* a9 N4 Z+ _' ^0 h3 {8 N) Z2 q
- ESP.deepSleep(0);3 ~8 c9 \8 X4 t
- } else {
6 k% T% S. q7 p" i4 X - server.begin();6 f5 T3 S# j, B, l
- }& C/ }9 Q M' R* {+ b! h$ X4 y" B
- }
7 F0 w; J* g: J8 P0 _/ X - void loop() {& T: f+ e- ~' \# I3 B4 M
- server.handleClient();: H2 G, m1 k: }# r3 {$ z. \
- delay(1);8 T; h% Y# w: t% k' l/ \0 S2 p
- }
: G0 D" D5 j/ u2 y# o. F- g- A - String doGet(String url){+ K) J3 W& |, h) H1 R- C3 Y
- if ((WiFiMulti.run() == WL_CONNECTED)) {
9 q* F0 n5 Y4 [: d) o0 R. U - HTTPClient http;
' k8 o: k m& X/ V a8 f( ] - Serial.println("[HTTP] begin...");# V: i$ L6 c5 G1 a4 l5 m
- if (url.startsWith("https")) {, L& [! Z% M: N2 i1 Z2 j2 K
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
. t6 U6 w: V; c# C! w - } else {* S) {0 K a: t
- http.begin(url);
* s- p; `% t/ d! [2 m7 Y' C( @ - }8 t. X& H3 H+ E$ j
- Serial.println("[HTTP] GET...");
! R( u1 ^( [, v) @+ G* a; z4 Q2 M - int httpCode = http.GET();
) h$ E, c: F6 d( Q$ a - if (httpCode > 0) {
: [: y; L! D4 i, x5 a - Serial.printf("[HTTP] code: %d\n", httpCode);' H8 j% o+ k( ]
- if (httpCode == HTTP_CODE_OK) {' ~7 R: p5 v. D4 [: y; c! O* g9 R8 C1 c
- String payload = http.getString();2 s8 W4 \# }# K x5 ?) e
- Serial.println(payload);
8 ]6 {% ]4 ?, ^9 a( W& e! p - Serial.print("\r\n");
l5 x- E( ~, e( U" z - return payload;
/ O! [7 h9 _" l+ c - }, Q/ l6 }! m1 Y9 a1 G/ {$ {
- } else {
( ^. s5 U* G6 L+ ~2 g$ [, G - Serial.printf("[HTTP] GET... failed, error: %s\n",
9 N- [# ^4 D2 ?+ V. m - http.errorToString(httpCode).c_str());7 ]3 V* c; j( E/ e% N7 _, I
- }
. ~" Z0 W4 s! @. t - http.end();
$ j" |1 }+ j. T2 y; d8 @ - return "";$ c+ h) T: ~2 d7 x
- } E9 z3 C v6 v* }' T& o8 [! \! W
- }. k" R) G$ i" T% c8 g0 x
- void mainAction() {! C* q, B: s. {, y
- // 发送请求
) g9 Q% r M0 h3 y4 L# A - doGet("http://google.cn");& F4 n: M5 w, N$ V; ^ d
- }3 \, o: O* N, [! `
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