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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)
3 B* u. P( ], f! W4 P; `" Z- #include <ESP8266HTTPClient.h>! J, `0 ^( j' ?
- #include <ESP8266WiFi.h>7 n6 A( W4 D x2 t7 k6 W. x
- #include <ESP8266WiFiMulti.h>
% R' ~1 n: ]% Z. x$ ~ - #include <ESP8266WebServer.h>
& s( `3 d0 o+ G; | - #include <arduino.h>. B+ {" V7 q4 s" r
- ESP8266WiFiMulti WiFiMulti;8 r0 p3 s+ A; a7 \6 l) T: D
- ESP8266WebServer server(80);9 `7 Q: }+ b, j w% s, C1 I- E# S" q; H+ D
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
( S0 a! {1 n7 x+ o5 b# ? - ADC_MODE(ADC_VCC);
0 z o$ q" K: Z - void setup() {8 ^" p9 G4 v, o5 ]
- Serial.begin(115200);
7 `) e2 @" B6 r% ~5 K7 H5 C - Serial.print("\r\n\n");
" g5 o: n9 e/ r; Q: _ - pinMode(2,OUTPUT); O/ R7 i* d V: [; y: U# N# ?2 I' m1 l
- // WIFI
/ I; c3 ]* D/ J, a: ~& a- ` J - WiFi.mode(WIFI_STA);7 L! z1 k1 i# L( n7 L+ p
- WiFi.hostname("Sparkle");
m& O H7 H, }' ~ - WiFiMulti.addAP("wifi ssid", "wifi password");
9 Z+ r# c2 b" a1 ?) ^ - int tryNum = 15;
3 t7 Z( C( V ? - Serial.print("Connect WiFi");/ z2 H- L/ q9 d1 E! W
- while (WiFiMulti.run() != WL_CONNECTED) {
% d7 b' v- N& i5 J - digitalWrite(2,0);
; j7 `- C7 G% W4 u$ I, T1 l - delay(200);" H) s5 T5 K5 S2 T
- digitalWrite(2,1);
c$ n" i9 t: u5 D- q. N - delay(300);$ j' c, v2 ?8 T* E: y: u# _* m
- Serial.print(".");
- r, ]# L0 S% m - tryNum--;0 p4 f' u- b8 U0 T/ M" s% h/ i5 U
- if (tryNum == 0) {& r# s) t8 \7 D4 G3 F" z
- // 1min4 @3 T) R t: t/ R+ W2 h
- // ESP.deepSleep(60e6);
# \. N8 n- [6 ^) z/ T - ESP.deepSleep(0);
c7 n$ |% r, {6 E% e9 c - }
: R- T3 v; Y" q) O' v6 `: ~4 b - }
# \6 h0 `$ n1 i; d. @. X - Serial.print("\r\n");0 @/ x: w9 [9 a" O" r, I
- digitalWrite(2,1);
E0 Z& W6 ?3 ?5 J' _ T% W6 r0 _ - Serial.print("IP address : ");; O1 F' E- h" `: V
- Serial.println(WiFi.localIP());
( i# _8 M* _$ v, N0 @- h, f - server.on("/", HTTP_GET, [](){
" ?! c3 j% ~) J7 @! y( s& ~ - server.sendHeader("Connection", "close");2 z) a7 ]5 N2 z/ E
- server.send(200, "text/html", serverIndex);
1 x; ?' h. z. u7 l t0 L - });
* m3 n3 C2 W6 u( a1 K - server.on("/update", HTTP_POST, [](){( M4 x- K! l+ \( A/ F2 y7 N+ b
- server.sendHeader("Connection", "close");4 }* V; w& t& i( L# y* j# X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");) Q! \* V1 D7 x% D0 @: M6 P
- ESP.restart();. B+ t- y* n+ k6 @- A# o* U2 Q/ e( g
- },[](){8 p8 r: S' D' b
- HTTPUpload& upload = server.upload();
+ L* z" N3 v, }! l8 |4 g - if(upload.status == UPLOAD_FILE_START){* P9 ~8 `. J# T0 [0 t* t/ T; Q
- Serial.setDebugOutput(true);9 I# p; M, r! {' H
- Serial.printf("Update: %s\n", upload.filename.c_str());
1 \, l4 c9 q/ k - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 b5 m' ^0 n. G+ F! z" X. S - if(!Update.begin(maxSketchSpace)){
4 B, }! P% J' I; M0 B. [ - Update.printError(Serial);
% k, t# F0 n" R, Y4 }2 l0 {+ v - }, e' J! O% Y+ ]% w
- } else if(upload.status == UPLOAD_FILE_WRITE){2 l% N. [2 l0 N4 o! n+ }
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){! t; L' p3 m, Z! Q9 R: \
- Update.printError(Serial);
* c$ L" N% q& s; C" E1 \3 h2 g - }
2 D' h4 R I9 @' B8 q7 V - } else if(upload.status == UPLOAD_FILE_END){
% ` C+ O- d! G - if(Update.end(true)){
1 q. k& G2 O8 {, h - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
8 x# L: e& T7 y) T" F" H* ^ - } else {( x7 r X; a) z2 f. o- i& a0 l
- Update.printError(Serial); i3 B" }$ ]2 {- ]/ b
- }
! x9 y7 u; g, `2 ^ - Serial.setDebugOutput(false); l; }9 T) T6 s" g' G& i5 i
- }
K" T# l, p! Z3 b5 a+ H8 P - yield();) f3 R8 g& ^% i- R
- });* r9 x- f1 a. I% }# |4 H
- : \2 F/ X( z7 K
- digitalWrite(2,0);: r- u1 t( O, P
- mainAction();
) F% L4 }; F. R# ]0 U* Z( S - if (digitalRead(0)){; N6 ]) m: ^# v& w3 k c" e
- ESP.deepSleep(0);& O, P/ h1 f, r% Z2 n9 _
- } else {8 ^5 Z; c0 J$ E! P
- server.begin();
# ^- I( k: w/ E5 b$ j& R& g - }- b4 r2 v9 C" u. f$ H9 E% U; r
- }5 ]7 l2 t4 w3 e1 p' ^& O: q
- void loop() {+ \1 U1 `7 y/ V2 h# q
- server.handleClient();& Y* G- K* D1 p% a5 f( D% x3 a
- delay(1);0 K0 T/ o4 e* o# f S5 R1 A
- }
& S/ O0 i1 A6 ? - String doGet(String url){
8 W& B$ g) }! ^# G! o+ k - if ((WiFiMulti.run() == WL_CONNECTED)) {
$ K B1 s; X/ ]% }* W: T4 P& U9 A - HTTPClient http;
5 |, ~. ]2 V! [; u5 ` - Serial.println("[HTTP] begin...");! S7 ^# l5 w& k7 ^
- if (url.startsWith("https")) {
7 Y" q5 Z4 c9 c+ ^: L - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");9 S- V& S, R- d
- } else {
4 p; G) n& B9 c- D - http.begin(url);) b) x& _8 g6 `, x
- }7 z/ {5 M, U7 O( v( D ?
- Serial.println("[HTTP] GET...");
3 T% h/ P1 M( u" F - int httpCode = http.GET();
* @. h- @, m" d( A' D7 Z. g( j - if (httpCode > 0) {
$ F& ~' w9 k. p& A$ M0 ` - Serial.printf("[HTTP] code: %d\n", httpCode);5 H0 x; g$ g1 o1 P- `( J8 y
- if (httpCode == HTTP_CODE_OK) {
- g8 l& k! n' T/ Z( p - String payload = http.getString();
: [5 W: i1 b! J% W, I. P6 a7 @ - Serial.println(payload);
- ]. a* i) H6 T8 M9 t$ u - Serial.print("\r\n");8 D% y" u# m3 f9 n# O
- return payload;/ ?6 r! |+ n# j) @
- }* e( b& ?/ @. m! h3 P+ E
- } else {
' Y1 A. J! ^: x2 P/ u+ m - Serial.printf("[HTTP] GET... failed, error: %s\n",+ Q, Y# t2 { ?( s6 l
- http.errorToString(httpCode).c_str());; [. v0 h4 o% N, n J& t/ v
- }" i/ n% c; A5 w
- http.end();
: H# N1 a& Z) m; j) F: G: g - return "";) M8 c- {+ S8 y" V5 k: E# D
- }
8 C3 l3 [# z( N" o/ y+ z0 A - }7 T/ u# n# F6 G
- void mainAction() {
/ F6 I" J$ }! O/ b - // 发送请求& B' _5 R" j3 V& d3 j
- doGet("http://google.cn");7 J: x) F2 p2 v
- }
; @9 i: v5 Z5 h: ^8 O% N
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