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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)7 A9 \2 ?" \+ Y2 N! r
- #include <ESP8266HTTPClient.h>1 Y! ?7 X5 E! x8 E; _, Y
- #include <ESP8266WiFi.h>0 ]1 h! L n$ f+ h( Q
- #include <ESP8266WiFiMulti.h>
9 J) |: o# {# F4 i) S. L - #include <ESP8266WebServer.h> e8 M+ e1 W' c+ y
- #include <arduino.h>
% y( X1 Y8 H, b, Q% z& A! ] - ESP8266WiFiMulti WiFiMulti;
- H* v, m' v6 f. V9 U) K - ESP8266WebServer server(80);
, Y& R5 W. V4 z! J1 `8 L5 b - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; i9 m6 B) l( Q1 w( |
- ADC_MODE(ADC_VCC);) o% v0 `, K4 n( u3 ?3 i# e6 O0 F t
- void setup() {2 m' X4 x+ ]9 S& H
- Serial.begin(115200);' T- ^5 W0 B) |7 S
- Serial.print("\r\n\n");+ o1 Z7 |1 U; ~7 m# y* P& b
- pinMode(2,OUTPUT);
7 g7 u8 w( M$ F$ J4 ^ - // WIFI
% o' ]/ c4 V9 O4 R, R6 R# y - WiFi.mode(WIFI_STA);( l! t/ k# w f" M+ [! |( w5 X7 w
- WiFi.hostname("Sparkle");
1 x3 U4 v( `9 |2 C- x( s - WiFiMulti.addAP("wifi ssid", "wifi password");7 n4 `& ?* y/ ?' y' ]% J: Y
- int tryNum = 15;
# U4 C; W" ` C - Serial.print("Connect WiFi");+ Z4 x( b6 U1 u
- while (WiFiMulti.run() != WL_CONNECTED) {
% S- @% K* m. q% v - digitalWrite(2,0); G2 E# c( y) s2 d1 C! r" r* l
- delay(200);
9 A1 S) M( f9 f7 _! K, y" I - digitalWrite(2,1);! w! p3 r8 [0 v' T7 [2 m6 V
- delay(300);" s1 M9 B; n, G, C
- Serial.print(".");
. `+ @, S& @0 Q N( V0 E - tryNum--;4 A1 P E1 u0 V2 f2 Z+ I) [
- if (tryNum == 0) {6 Q; T' k4 ^6 @ x6 P( V
- // 1min( J, h, A' \# C+ Z4 m
- // ESP.deepSleep(60e6);* D) C" K" t" U
- ESP.deepSleep(0);
0 z$ u/ H r0 W3 n% c - }0 u0 [% ?! p7 a
- }* T5 s1 K$ g2 o3 w8 N
- Serial.print("\r\n");3 J7 ?$ [% M+ _/ K1 |6 h
- digitalWrite(2,1);- F3 i* ]" E* R3 F8 }* W
- Serial.print("IP address : ");; A/ \6 |6 F, ]' X" H `) `, V7 T+ ~
- Serial.println(WiFi.localIP()); K3 i2 I. R( `+ d$ U
- server.on("/", HTTP_GET, [](){$ \3 ^* n- Q# Z x
- server.sendHeader("Connection", "close");+ N/ R. f2 R; |
- server.send(200, "text/html", serverIndex);
6 F G& E6 ^: g" C - });
* L' m; X# _0 \: M# a - server.on("/update", HTTP_POST, [](){ J9 G% F2 r' E9 m; v: t+ e
- server.sendHeader("Connection", "close");
( s5 D2 I8 t) S - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");3 Q4 g, i1 ~( F6 i0 R( L
- ESP.restart();
) T! a# r2 f# |6 @" E: A" ^# f - },[](){
- O. S( A6 Q3 v6 R4 A5 K1 I - HTTPUpload& upload = server.upload();- [7 h2 R5 q5 Z4 y) \" J) J
- if(upload.status == UPLOAD_FILE_START){
- F, c" z6 x/ k/ H# Q2 Z - Serial.setDebugOutput(true);
+ k& o& f5 x& @ - Serial.printf("Update: %s\n", upload.filename.c_str());
) z0 G/ F7 a1 f7 S2 S- T) U - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;! B, q, D5 w/ ?" @* o" v# s
- if(!Update.begin(maxSketchSpace)){: k1 U- ^. c; g7 T; T, [
- Update.printError(Serial);
9 m& l* A- |0 ] - }
* ]4 A1 V2 s; G" p9 T2 S) f - } else if(upload.status == UPLOAD_FILE_WRITE){. [% R7 r& {3 A0 V
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
/ [' K' d: c$ C - Update.printError(Serial);
& B1 G. K$ V5 ~) C- o/ r+ s - }0 S. V, a/ l7 K+ W' g" U
- } else if(upload.status == UPLOAD_FILE_END){
. o* S/ a( _8 J' i) X - if(Update.end(true)){+ n8 f( F5 d2 z8 e9 x0 ?
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, Y7 ]1 I1 Q8 q7 r/ {! w - } else {
9 l# D4 m9 N4 Y" t7 M - Update.printError(Serial);
! Q) R+ M" u# V4 N - }
# r+ G6 O8 ]- J: U7 o" K, A - Serial.setDebugOutput(false);2 `8 B9 `6 }8 l2 \
- }
; }1 n# s9 f" F* a( \0 X - yield();
" G' d6 n/ ?2 N - });
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- digitalWrite(2,0);
& I. ^8 ~6 t9 p. g* V/ Q# o$ F6 L - mainAction();
F5 Y* g V. Q/ X - if (digitalRead(0)){, F [" P t8 h
- ESP.deepSleep(0);
& C2 `2 t! L3 t: ` - } else {
1 l1 Z- u3 T9 F, Y$ t - server.begin();
4 Z$ s4 o4 v* G4 R - }
. _ Q8 z! B- E# N7 w ^7 Y% E! _ - }
1 |1 \- b% o& b( C% v: h - void loop() {
$ K% X. a" Q% w. }- r7 F6 x K - server.handleClient();
2 F1 c* k; s# }( _7 L$ R - delay(1);% ^1 {8 w4 F- u7 l1 Y1 s
- }4 t- }7 y. B: D
- String doGet(String url){
1 j& a6 b1 r) j! t+ C( { - if ((WiFiMulti.run() == WL_CONNECTED)) {* \) L. ?, O' X- c N: Q& H
- HTTPClient http;" i0 y$ ?) Z% l9 ?. C
- Serial.println("[HTTP] begin...");
! `# o4 p! u. |! d/ r, Q - if (url.startsWith("https")) {0 t: V! p1 w. `0 [% T6 q, L- x
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
# B1 q+ p/ {1 D. H# I - } else {
, r0 X n. b$ R( |4 o0 x0 i( w+ x( | - http.begin(url);
6 Z/ R( b) ^0 O9 U5 r - }. Z# s; x' K7 {
- Serial.println("[HTTP] GET...");# c6 L1 y& s, s9 q. s' D# O
- int httpCode = http.GET();
4 t& G& h& g. v& O7 t! | - if (httpCode > 0) {
$ i* I W7 {( O8 R7 U' V" L* n - Serial.printf("[HTTP] code: %d\n", httpCode);
! n% S5 ~) c8 R/ c$ R+ @1 M5 Q( E - if (httpCode == HTTP_CODE_OK) {1 u/ v4 ~* [4 H3 G5 q
- String payload = http.getString();# X# d7 Y. |) R
- Serial.println(payload);; A( r; F" E+ ^4 R
- Serial.print("\r\n");2 L4 P+ L) H" Y2 Z
- return payload;
% _8 G4 V, w/ y - }
9 U+ ]( E4 [+ J& k - } else {$ B, T' M5 C4 X
- Serial.printf("[HTTP] GET... failed, error: %s\n",& {$ K* \ E( y/ w1 T4 r) ^
- http.errorToString(httpCode).c_str());
( B6 S: y; `0 j: V - }
5 C$ j+ y. w" S5 ?: l+ C - http.end();$ z4 n" n' } Z+ E# U4 U# ^
- return "";
% ~/ c8 O& G4 @4 M) w: k8 J - }
& n" i& t3 v( K/ W - }
# f) V3 q" E/ v* O - void mainAction() {
& Y! }, b5 ~# {# T$ ]) ? - // 发送请求8 [! @# F" c& u! N7 X2 p7 B0 Z$ n
- doGet("http://google.cn");
3 Q" R/ E" n; C. `- V2 t3 \ - }
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