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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)) C& m5 w" Y: y# [3 V" u b n2 j0 V
- #include <ESP8266HTTPClient.h>
5 C5 f% h- [- [1 g9 s4 @ - #include <ESP8266WiFi.h>& x' j- N, _# G4 i7 o% C' I
- #include <ESP8266WiFiMulti.h>
6 B" c3 J8 h! ]7 { - #include <ESP8266WebServer.h>
0 X/ T9 J; ^* ~8 r2 d5 h7 C. ~ - #include <arduino.h>
9 A m1 a0 r- [! L0 ]/ K - ESP8266WiFiMulti WiFiMulti;
, H8 [ P( J' h5 G o' K. L - ESP8266WebServer server(80);
; F- ?3 ?6 {4 a. X# d4 J6 c - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
1 } O9 x) d2 y - ADC_MODE(ADC_VCC);
: h& `1 I6 [' u% Y) F - void setup() {
7 y) p: S; i: V' V8 I+ \" r' K8 ` - Serial.begin(115200);+ A+ \. v. U; o3 x* d
- Serial.print("\r\n\n");
5 }7 j2 j& G- P% j- g# I# G; I - pinMode(2,OUTPUT);" {+ v1 Y0 y8 q) s
- // WIFI
& }6 d0 Y0 n3 z% H- r% I - WiFi.mode(WIFI_STA);* U& \ g- ^/ U4 L& w1 \
- WiFi.hostname("Sparkle");6 s7 A, e5 v2 Z$ g- W& [0 ?. }
- WiFiMulti.addAP("wifi ssid", "wifi password");$ z% p! H2 Y! O8 j
- int tryNum = 15;, n( j) m/ A' R1 `" G H) x
- Serial.print("Connect WiFi"); Z* F: n0 |% O% ^3 [: N$ _: T+ i
- while (WiFiMulti.run() != WL_CONNECTED) {
. O- s, h1 \( z: d/ {; V) | - digitalWrite(2,0);
3 H/ i, P8 t' l+ w0 U# D, ~ - delay(200);
8 ^$ v; [" p. ?0 s( P( s: @ - digitalWrite(2,1);
( U6 k0 x! N C) `' t# b: o - delay(300);4 k! t3 c/ J8 `/ B
- Serial.print(".");, u% r1 j: T$ x- r0 H
- tryNum--;3 w" Q: R3 d, w4 T: C
- if (tryNum == 0) {
% x k" U+ t4 E9 n2 a! m - // 1min
5 i; ?% W- d7 D/ g - // ESP.deepSleep(60e6);- C( F9 s- H, U
- ESP.deepSleep(0);% {' D1 m6 x- V8 ~3 O+ Z' W3 n+ P
- }4 k3 ]; W) N0 w
- }
: e N6 v1 M7 P' l" i) b - Serial.print("\r\n");
. Y% T& E B; E3 W* ~# a3 H - digitalWrite(2,1);
% J% }) ?6 K1 g- T5 ]/ I% D/ L% | - Serial.print("IP address : ");
. A3 @; O$ X! p# E$ S - Serial.println(WiFi.localIP());
0 u3 j) L; `; e6 | - server.on("/", HTTP_GET, [](){' b; @. G: ]0 M. v" k( }% J
- server.sendHeader("Connection", "close");
6 N8 e& d* s; f1 h9 H: S - server.send(200, "text/html", serverIndex);
5 A5 Y" R( e3 b. M - });+ q9 A$ t/ x6 B: j
- server.on("/update", HTTP_POST, [](){
/ U7 U5 h- x8 E0 Y# l( K - server.sendHeader("Connection", "close");! b* ]8 m; T- o4 Q& c1 n3 p6 L
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
2 T; q5 U" W* ~9 D, o - ESP.restart();
+ x) v4 |. f2 w - },[](){! b F1 U- s" a
- HTTPUpload& upload = server.upload();
" G4 A# k$ z" I* _' ?3 F - if(upload.status == UPLOAD_FILE_START){& k( _' }8 O/ l7 V& A" d
- Serial.setDebugOutput(true);
3 f/ s5 d0 T1 {8 P - Serial.printf("Update: %s\n", upload.filename.c_str());+ D# Q) A. s3 ]$ Q1 z) _: q7 }
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;# |" i( }3 V$ x6 @ g. `9 A* t1 x
- if(!Update.begin(maxSketchSpace)){
" i5 v! M6 j3 M) {2 q7 m9 g - Update.printError(Serial);; K% _6 ?! n. n0 V. I* Y+ E2 @% o
- }4 _$ _' s; F& A; c
- } else if(upload.status == UPLOAD_FILE_WRITE){, h5 u/ X7 C7 @# r; G: P0 `
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
4 b6 t! B/ I l! Y4 n, ]- R; K - Update.printError(Serial);# |' r. P4 v$ |) t: D+ g
- }
3 E6 ]4 x. z* Z y0 ^5 s - } else if(upload.status == UPLOAD_FILE_END){5 i4 n% d( d. T/ h/ W
- if(Update.end(true)){
/ ?9 T8 Q+ N# z& V7 p& b+ d - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
3 t: z8 ~ X4 J+ D - } else {; Y8 j' K, b! ~* s% {
- Update.printError(Serial);% O5 m* |$ W; b. `3 T: I% T9 o
- }
" O6 B# e6 J3 {8 B, D - Serial.setDebugOutput(false);
$ w& Z: z9 ?- F8 P - }: e7 _% w f F! X! l
- yield();
! z, d2 j, i& T9 z& E0 a C$ I) k' s - });
+ |- Q* u: | p$ n4 \5 _- r - / Q7 r3 D) ]' Q, j. _ p1 D
- digitalWrite(2,0);
( i! s2 {$ g. e# w: h - mainAction();5 A! a1 C" Q- m4 O _
- if (digitalRead(0)){
5 H2 G8 |' x7 x4 X - ESP.deepSleep(0);0 r7 L4 z# j" X$ x% o& B
- } else {7 u+ g$ ]8 @* q9 `* {
- server.begin();' c4 |+ F. G1 o0 d
- }) d6 o0 S' b1 e) V
- }0 F8 K3 l. Y2 J! J. U# u! K! p
- void loop() {1 Y. Y" R2 k# M) z! c6 `% ^ {
- server.handleClient();; B+ A0 l9 z1 z( f9 n
- delay(1);, P& V) x& j3 g% v; d
- }
# p# {$ d4 t$ S - String doGet(String url){/ Y: M5 C9 @) n3 [* C1 `$ U2 f0 d
- if ((WiFiMulti.run() == WL_CONNECTED)) {
- Q* V: A# x3 m, X& { - HTTPClient http;7 q$ i0 o$ k) L) O
- Serial.println("[HTTP] begin...");/ ]+ n) V' n- Q) j( Z
- if (url.startsWith("https")) {: Y( }& ~9 Q# D8 ]# c" r
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");8 \( I- v4 [, A/ D0 F5 x Q) K8 P
- } else {
s( F; ^* v/ \, d/ ]1 f - http.begin(url);4 i0 O( ]. T. B% X7 f. L3 Q) P; P
- }
( f4 ]1 W% @: ~) x& ~5 z2 N - Serial.println("[HTTP] GET...");: Q; u+ l8 d# O6 K
- int httpCode = http.GET();
7 C$ T4 x3 W/ Z) _ - if (httpCode > 0) {
- T( u) u9 s% T - Serial.printf("[HTTP] code: %d\n", httpCode);, J# L; X& A) Z8 X0 H
- if (httpCode == HTTP_CODE_OK) {5 u# y4 u+ w+ f4 ~$ _) I1 E
- String payload = http.getString();; x2 p& Z/ B# p9 E6 ]; ]
- Serial.println(payload);
% X0 G7 n2 p/ o, w! C V - Serial.print("\r\n");9 D K' j$ g' a0 h7 q$ m, S
- return payload;
2 L4 ^' X" Y' L2 |7 c - }. I. c, r+ |" y
- } else {) e! j& z7 @) j
- Serial.printf("[HTTP] GET... failed, error: %s\n",
; \2 a q5 w4 Z0 _4 h+ M9 w - http.errorToString(httpCode).c_str());+ g" g1 O. o7 Y- j% Z
- }
2 ^8 B; f% w$ F2 O$ c - http.end();
# C. g% H, `. m' L1 Q - return "";' N5 L" T e% M C1 {- a
- }2 z: A* L1 _( |5 V& R* a+ f
- }
, x: a1 A& c/ G: |$ J2 P - void mainAction() {, Y" ~, }- P1 v; k
- // 发送请求
8 p* a$ ?0 j( K. ^% o/ N - doGet("http://google.cn");+ q( n+ l, A9 R( x
- }( ^' g% z2 Q; d: D) G& k
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