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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)
" K$ S% P$ f0 N0 I6 S- #include <ESP8266HTTPClient.h>
7 Y5 J6 b1 z7 O, L" T2 d - #include <ESP8266WiFi.h>0 h) Q$ X0 L2 y! W3 K
- #include <ESP8266WiFiMulti.h>
4 Z" V. c! g/ [5 k9 F8 M/ k: b - #include <ESP8266WebServer.h>
& N7 s" }3 u- T4 l# M) V$ U( { - #include <arduino.h>
$ [3 D [' e' V$ ]9 N8 f$ r - ESP8266WiFiMulti WiFiMulti;/ c5 J, e @" P6 g3 b
- ESP8266WebServer server(80);
- f* [# a q% ]8 q3 W9 A - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";* v2 |% L5 |+ d0 f0 [
- ADC_MODE(ADC_VCC);# \+ J' L5 i* p- O ~4 ]; Z
- void setup() {. p0 o' f- W, l, ]4 L
- Serial.begin(115200);4 `! [# E1 g0 b/ }
- Serial.print("\r\n\n");
, B: C, u* l1 G# E - pinMode(2,OUTPUT);$ _* |- F/ f) R4 T; T
- // WIFI8 k5 O5 J; p& K# v, v9 ~* D! |
- WiFi.mode(WIFI_STA);
/ w' O6 m& Z! G! O% { - WiFi.hostname("Sparkle");
1 g. i3 E) Y* U" M- s9 y6 M - WiFiMulti.addAP("wifi ssid", "wifi password");
" t2 \/ _' H% ^. l$ C* i - int tryNum = 15;
" a4 I& _ F8 S - Serial.print("Connect WiFi");
" l. K8 I$ r, B+ p! { - while (WiFiMulti.run() != WL_CONNECTED) {; {/ w2 d) G6 j7 \; o
- digitalWrite(2,0);
, i# S, A& \1 \% N# q# w/ U* f/ Q - delay(200);9 v$ \: r, i6 p) ] A
- digitalWrite(2,1);
u$ m4 }( s' G G: X - delay(300); z+ C9 C: C! s i7 a
- Serial.print(".");0 ^( V: O1 p, y- m; N3 r6 q
- tryNum--;& i$ g& l/ [( n" u: g
- if (tryNum == 0) {
; H% i2 B& C3 H - // 1min
$ A u: [3 y1 C! _* e - // ESP.deepSleep(60e6);
2 L' T w$ k0 q3 `4 j2 O - ESP.deepSleep(0);
- P% W5 t2 Z6 o - }9 p$ M- F8 m" k( ?6 Z% H1 U4 n- s
- }
5 D+ j! z1 g- C8 A1 H( t - Serial.print("\r\n");6 t( N- h* z: O6 f6 J* U; Z
- digitalWrite(2,1);6 e. B! v3 I* Y/ a9 T. ^
- Serial.print("IP address : ");! X3 N! q" j, [- d. n/ ~2 F6 s
- Serial.println(WiFi.localIP());
# y b. D u3 W, j7 [ - server.on("/", HTTP_GET, [](){% E6 F' \' [6 M" ]8 S6 O2 x
- server.sendHeader("Connection", "close");! L k+ ^8 X5 Z* s$ r' l0 n
- server.send(200, "text/html", serverIndex);
1 C: X# o; ~, N! j# } - });% N+ r, ^; v. H6 t( a5 R$ _
- server.on("/update", HTTP_POST, [](){* o7 P3 p" v* M$ ]
- server.sendHeader("Connection", "close");+ ~* q$ j8 r6 ^5 b5 f* W( z
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
# @+ r! J$ A+ T; ]. M1 W- w - ESP.restart();! P9 G; }8 |( a v% j
- },[](){3 ]5 B; R. o8 j$ S- D! d" u
- HTTPUpload& upload = server.upload(); v( R) b7 T, i6 |( Y
- if(upload.status == UPLOAD_FILE_START){
* _0 D2 A' I" G0 s2 N& g2 G+ m - Serial.setDebugOutput(true);
- i; M: x. N: A2 f. ~3 x* N - Serial.printf("Update: %s\n", upload.filename.c_str());5 N b, x6 C# _. k1 o7 u
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;/ O5 h" H1 \+ B+ B3 r
- if(!Update.begin(maxSketchSpace)){2 o" I0 y" ^5 Q% {+ t& `
- Update.printError(Serial);% W! X3 P3 N' n. Q
- }
) \9 V4 y8 {; s' z$ E5 v - } else if(upload.status == UPLOAD_FILE_WRITE){
" R0 b/ n; A( D - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' G0 |" x) J" o' X1 ?/ T6 N6 Z - Update.printError(Serial);- b W5 k D( e! E/ M
- }" Z2 i& j8 f1 ]
- } else if(upload.status == UPLOAD_FILE_END){
& e4 d6 L6 z+ I3 `4 W - if(Update.end(true)){8 w0 q9 o* a# B3 _
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
. C6 U0 r. t: R4 ^ }9 N. C - } else {8 U' W* y' w' J) |
- Update.printError(Serial);
2 b, i" ~' C; k, M9 c8 l# } - }/ v: d2 L2 g" r) f
- Serial.setDebugOutput(false);) n. `' x, T3 ^; s+ Q. Q
- }) i2 b# b2 I) u+ z* B
- yield();7 q/ z7 I5 y# u
- });
+ p( s! N# }" L -
, R" Q! b5 y M1 v2 {( U) d - digitalWrite(2,0);+ o& i4 m# u' M4 g
- mainAction();
" s. ^6 X$ u" c3 K - if (digitalRead(0)){5 {8 V8 ] B6 d' B9 Y
- ESP.deepSleep(0);$ `7 c; d' c$ L. B& v
- } else {6 R; X4 i: a, _. d* ]
- server.begin();
0 \# r* h4 a- r. o" r - }
) {- T! N9 G. q1 P& a) s: G9 U! R+ ~ - } K% }* e( S7 Y1 r% l
- void loop() {) o* H/ a6 j* P, @
- server.handleClient();: V- a/ {( I. M6 |1 y. Y- H
- delay(1);
) b: f7 l5 @/ M - }7 @4 B1 ~2 I) K( [# ]0 E
- String doGet(String url){/ Z' Q0 {( Y( F9 g" W5 P
- if ((WiFiMulti.run() == WL_CONNECTED)) {
6 V& u) {0 L9 g - HTTPClient http;* u. n, S3 K, N1 S. `; l
- Serial.println("[HTTP] begin...");3 E7 u6 Z1 l# M5 t7 S
- if (url.startsWith("https")) {
' ^% M6 V9 }- L+ \# k - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");$ s) t2 g& s7 [
- } else {+ p3 @+ ^* y' m$ B9 z/ j
- http.begin(url);8 U( i! ?/ p6 m6 E% U$ v+ {
- } L! }% D2 ?$ c* L8 Z W
- Serial.println("[HTTP] GET...");
( e* [ ^: U) E7 Z - int httpCode = http.GET();/ m1 ~& S7 c% l+ O; g9 Y- B
- if (httpCode > 0) {
! Y, ]- Q0 Y, R9 j Q - Serial.printf("[HTTP] code: %d\n", httpCode);! X8 n( R- m7 i5 ^
- if (httpCode == HTTP_CODE_OK) {
' v b, a6 w5 d - String payload = http.getString();
% F: y% x0 q; X& S- j - Serial.println(payload);
; J2 @: S9 O4 j+ J! v( p* [9 d - Serial.print("\r\n");0 \1 P+ M5 P- s# { Q z, n
- return payload;) L* l$ `2 v' G. w6 d2 H0 V
- }
* x" Q% g# X0 j" V7 h$ W/ y) x$ M - } else {
9 X$ _) T7 s; q - Serial.printf("[HTTP] GET... failed, error: %s\n",
" B0 [2 U! g% K6 k - http.errorToString(httpCode).c_str());- ?- D. O# D9 j9 d/ B/ V
- }
* e8 u Q( I1 K; _( x' D - http.end();. [7 T$ i4 H( E8 t$ y
- return "";1 Z" Q5 r1 x! s* I6 g; z3 p4 }/ U
- }$ \3 F0 G% l4 S1 ]: `
- }* z. H. L5 e1 m+ o5 F- Y& t
- void mainAction() {
4 u8 z+ P: Y, c7 ~ Z \ - // 发送请求
0 @9 v+ j4 ^3 _0 Z& @( V1 | - doGet("http://google.cn");; S% e6 q. u+ l( y" i( C; \' q! X4 m
- }8 ^ r* G5 l! ?9 m
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