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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). u3 t7 | w6 R" I2 C; b5 w
- #include <ESP8266HTTPClient.h>
2 M( N/ }4 t% W2 S# V" Z - #include <ESP8266WiFi.h>
# g' R2 c, Y8 E - #include <ESP8266WiFiMulti.h>9 R8 c/ {0 Z9 E) S- C
- #include <ESP8266WebServer.h>
Y s6 d' r/ w2 z1 p+ q: t - #include <arduino.h>. G% Q" N* I" j9 ~* l
- ESP8266WiFiMulti WiFiMulti;7 d5 ?2 F* V" _' ~" _% f1 y
- ESP8266WebServer server(80);
; I8 H; M: I; u. I. e - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
- L) r+ ~0 a: g+ G& P, O: M0 o - ADC_MODE(ADC_VCC);
; |: k& M! ?) u+ J, c) k& |9 l0 z - void setup() {
/ ?- u# L/ ? c - Serial.begin(115200);
% d0 s( e* v: a+ M* M - Serial.print("\r\n\n");
' v+ F% ]3 B, U/ s# n/ U2 C- m - pinMode(2,OUTPUT);3 K- R' _1 P* K6 b0 o$ d d
- // WIFI4 @( ~7 G7 t: g
- WiFi.mode(WIFI_STA);
* M ]" a! N! b0 I0 W( ?9 ` - WiFi.hostname("Sparkle");4 q+ P& @6 f" n0 `
- WiFiMulti.addAP("wifi ssid", "wifi password");9 t$ {& e3 l- q2 m
- int tryNum = 15;% s4 c6 _: m$ U
- Serial.print("Connect WiFi");
' p( q T- T' D- v+ e" U - while (WiFiMulti.run() != WL_CONNECTED) {7 E, ]2 a. K! `( X
- digitalWrite(2,0);
, a: I2 @* r4 O( h" h - delay(200);' o" i7 H: r! N% w
- digitalWrite(2,1);
& x4 a' h4 |% b0 [" O$ L - delay(300);
* C0 ]2 ?1 ^: H5 V P8 d - Serial.print(".");
3 y3 H W% Y- x+ R6 q4 C) D$ t% A - tryNum--;1 X% m4 D# K4 ^4 E7 \0 `0 v
- if (tryNum == 0) {$ Z) D, P) l: b, W
- // 1min, l8 M. t$ C) f g8 j0 j: b7 N3 W
- // ESP.deepSleep(60e6);% ^2 N' |# A, T. @
- ESP.deepSleep(0);1 I3 K' M% h2 F1 C
- }9 Z& x; N5 V2 W4 D$ W
- }
1 x6 I. c1 I D1 }2 r - Serial.print("\r\n");$ H4 z8 ~; F1 u: F3 a6 [
- digitalWrite(2,1);
* W) f' I4 A1 {9 s# r - Serial.print("IP address : ");9 Z3 J5 I: r' G3 U
- Serial.println(WiFi.localIP());
, \0 I2 F# `6 f" e* P* j - server.on("/", HTTP_GET, [](){
! O( _4 z7 L/ Z, L) m - server.sendHeader("Connection", "close");9 W y; z5 c$ x
- server.send(200, "text/html", serverIndex);
3 o# _$ W0 v- U$ O- q - });
, T# d. Q* W- n. O% E+ i - server.on("/update", HTTP_POST, [](){
3 z, ^( v. o5 f( U# d! {! p: C4 r1 a - server.sendHeader("Connection", "close");
2 V" e- M8 s2 C8 n( D* C0 Q - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");0 E+ P$ c$ \$ M- i3 y+ p H
- ESP.restart();% N' [( D# o* B; T1 h9 z6 O
- },[](){
+ d& j9 i5 ]- Y - HTTPUpload& upload = server.upload();$ e7 z- Q7 D* e) h; l7 ^- K
- if(upload.status == UPLOAD_FILE_START){
9 H. C, w0 w& r' [9 p! [ - Serial.setDebugOutput(true);# x Q% g0 n# o- ]. t- ]# r
- Serial.printf("Update: %s\n", upload.filename.c_str());4 Q6 E1 r+ U# ]; x0 w
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;% d) }( g9 R6 k3 g5 J* k& F
- if(!Update.begin(maxSketchSpace)){+ E% u! y6 D# W! c* `0 z& w' m
- Update.printError(Serial);
% y: \: w* H/ [ - }
+ Z7 P) L. `6 n- M5 q - } else if(upload.status == UPLOAD_FILE_WRITE){
. M; F; c/ G8 L v% Q7 J" F/ Y - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 l5 c" m2 u" T; k2 n% ^9 H - Update.printError(Serial);: Q- w$ j+ M( F* B* @! g6 ?
- }
9 W" [/ I6 _( [- A - } else if(upload.status == UPLOAD_FILE_END){) k( i8 U% l# q& f4 n8 S
- if(Update.end(true)){. l: [( A3 c7 _# d5 d" e7 ^
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
/ T% I3 M7 W! F+ G+ _' g - } else {, e! R' z1 @, Q( ?* D8 ]
- Update.printError(Serial);+ S0 Q7 C1 s* J8 n
- }* F* ^$ K# t$ g( D$ s* o* n* Y* @
- Serial.setDebugOutput(false);3 Q) i. n4 d7 k: n" |' c/ o# y# J
- }6 a3 C" k+ I7 K7 I, N2 l
- yield();* x5 i+ j8 V/ s7 `1 N! @
- });
- O3 d" z. @+ V5 p -
5 r, ^( Z `0 f# p2 ]9 X. v" F - digitalWrite(2,0);
8 z8 L( E2 I: r; F* Y! E! h2 Z - mainAction();# `6 b4 O% d- b9 A) e5 O( \
- if (digitalRead(0)){/ ?# V! y5 U" t# B% S5 V" L8 }
- ESP.deepSleep(0);5 ?$ ?6 F# K* z; k/ ^
- } else {
5 _8 J( @1 E4 D2 j7 l- B - server.begin();
! W( |8 c) }0 P( @1 I3 U - }5 C9 V! G9 A; F
- }% C2 j/ X+ ?/ S7 u( E
- void loop() {2 V9 T+ f1 C6 H9 E- [$ \
- server.handleClient();' _+ t( ]6 C$ o" b$ ?* ~
- delay(1);; G H$ G1 K. I4 _2 O: k+ x' D
- }. ~( X+ U1 d" I3 S4 F: @
- String doGet(String url){3 |) b7 @) ^( S: M/ G8 ^
- if ((WiFiMulti.run() == WL_CONNECTED)) { l. \* e' t3 M P! y1 P! B$ d
- HTTPClient http; i9 B" G; a. M& T$ \* @
- Serial.println("[HTTP] begin...");. n- P. C1 F; B* r! `, s5 k' s
- if (url.startsWith("https")) {! I5 H3 c( j$ \% Z5 Q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
* s5 V- q* e! b' ?" V6 M - } else {2 d- b( E b" i+ }6 @
- http.begin(url);5 M/ q. i7 s! }
- }
( p4 a! s/ j$ O+ k5 } - Serial.println("[HTTP] GET...");) |3 c, s8 \% W# N
- int httpCode = http.GET();/ Z$ d. p; o. S& `! D' ~' ~
- if (httpCode > 0) {
2 n5 _ W0 m% T2 r' X% _ - Serial.printf("[HTTP] code: %d\n", httpCode);, ^% s4 |. f0 O* A# G1 j9 V9 [- x
- if (httpCode == HTTP_CODE_OK) {+ w- K+ i5 U6 Q, y+ t# r* l0 B
- String payload = http.getString();
8 f" d* X7 s; B/ X+ s - Serial.println(payload);2 g* y( g) c1 x" V! X% Z- \. P$ A
- Serial.print("\r\n");
$ |1 V m4 K# @4 P9 B, P% {' n - return payload;
5 J! ?* F, `+ M# y - }
# G1 c7 N5 p+ o2 n, s - } else {
) Q! `/ R/ r8 G1 t - Serial.printf("[HTTP] GET... failed, error: %s\n",
8 k Y/ k/ q. t( ]. p7 z5 w4 x - http.errorToString(httpCode).c_str());( A3 F, O& N7 s& ~3 T! d
- }1 q, y+ c$ }$ v4 a0 u8 C1 [+ c4 n
- http.end();7 G) T# Q* _2 F7 b& B! G
- return "";) U5 n& ? N- s1 s9 U) `, v$ G7 @+ X
- }
* d' c8 K% {1 P; N+ C0 i - }' D" y/ e, S/ m- T4 A) h" y0 g9 u
- void mainAction() {
0 @) K l# Q) ^+ O' G- G0 S - // 发送请求
" u; z @+ j/ K1 R3 o# @2 { - doGet("http://google.cn");1 M$ T" @2 e# o" v9 ?! e( @
- }
) ~9 h. K, _# O0 W- u
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