|
|
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)1 A7 I2 A7 N/ ^; J
- #include <ESP8266HTTPClient.h>/ w% O( c4 d# R B3 x/ s' ^: U9 _* z
- #include <ESP8266WiFi.h>: v" x: G# e* @
- #include <ESP8266WiFiMulti.h>* c9 Y2 T1 j' S
- #include <ESP8266WebServer.h>
& P ^8 V( u. t; L2 o- J# ^ - #include <arduino.h>
: u7 A$ f0 @# `) y& L( D9 u& S6 ]) [ - ESP8266WiFiMulti WiFiMulti;
: K& f# i' ]) S* S4 k) K: x6 d" W - ESP8266WebServer server(80);! D/ O' Q3 r" T( D& V- `
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";0 u3 x, b% S+ w- p2 f) {: x
- ADC_MODE(ADC_VCC);
- p- G/ [! I3 v - void setup() {
) W. Q, I4 T7 L3 S2 j1 M; }: b - Serial.begin(115200);# X, d% o+ L1 D- ?$ V
- Serial.print("\r\n\n");
5 y2 u2 C( L/ g* u5 J - pinMode(2,OUTPUT);
( Y6 c4 B' J( z9 h- {& t3 ? - // WIFI
# T6 D6 P) V# U$ f3 a1 @ x - WiFi.mode(WIFI_STA);
6 A7 l5 [' z7 Z- ^2 u - WiFi.hostname("Sparkle");' A$ k, C- ^; P
- WiFiMulti.addAP("wifi ssid", "wifi password");
6 s$ a. z- b, _" x# i' i P - int tryNum = 15;
0 G8 z8 s7 n2 J. f1 O - Serial.print("Connect WiFi");& ~) P6 `4 \: O) Q! N, h/ P
- while (WiFiMulti.run() != WL_CONNECTED) {
: D5 e' y) p' i6 K - digitalWrite(2,0);
" Y# W* u' F& g( G$ i, C' s - delay(200);( p4 y2 B8 J8 b" |: u
- digitalWrite(2,1);
/ _: i' A; {; a X* f) _ - delay(300);1 W7 K L, i" |; s) ~
- Serial.print(".");
6 x4 F: k8 V5 r3 |/ |9 _' Y! h - tryNum--;
8 R6 b2 d- K. d3 E, ^+ ? - if (tryNum == 0) {* X$ d' `, t) w! A9 d' v- \* m8 x
- // 1min
9 g$ C% k) ?7 y, x - // ESP.deepSleep(60e6);
' Z7 ^& ^3 g% l, M6 ?; Z% E) S - ESP.deepSleep(0);
1 a3 P% I9 |% ^ - }9 f$ C5 N) v0 R% w8 {2 {
- }3 u& e p O) \$ j5 E) d( B
- Serial.print("\r\n");
* e( E' ]# E3 \1 i - digitalWrite(2,1);
' C8 c% n$ Y E8 ^9 A - Serial.print("IP address : ");2 c( o: c4 h6 ?* C8 z
- Serial.println(WiFi.localIP());
6 H- s( C5 g* ?' R( t4 G9 p - server.on("/", HTTP_GET, [](){+ v$ \0 ]* y& g3 I0 f+ ?1 h
- server.sendHeader("Connection", "close");
$ Z# O0 b4 [: O# ~ - server.send(200, "text/html", serverIndex);3 N0 f5 H8 u, |2 `- l/ d+ w. b. }
- });
$ ^+ Q9 b8 g6 D) B - server.on("/update", HTTP_POST, [](){
5 R) N" u) t* J1 ^) Z5 N3 M/ v - server.sendHeader("Connection", "close");
4 n- I' J! u% \, P; [- q n - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
$ d2 C1 O: q) I, W. d/ O0 S7 B - ESP.restart();8 n& w& ^2 H) ^% g' X& Z0 p
- },[](){
1 M0 Z$ B1 T- \% e0 P - HTTPUpload& upload = server.upload();$ L! Z4 A9 K( _
- if(upload.status == UPLOAD_FILE_START){* ~7 ?& o. I( g
- Serial.setDebugOutput(true);/ u1 e3 U* N# C K/ J
- Serial.printf("Update: %s\n", upload.filename.c_str());7 g* X" n' O6 x8 F0 y$ @
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
. m/ o7 W% u5 @4 _7 T, M - if(!Update.begin(maxSketchSpace)){; U+ a9 Q* d' v, ]- X
- Update.printError(Serial);3 j/ s8 C. h3 x0 v, D3 D4 k, [) u: C
- }2 v2 Q, r' _5 F5 P6 ~1 k
- } else if(upload.status == UPLOAD_FILE_WRITE){$ f8 i, X! k y; Q2 N
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
9 L9 y2 p3 A4 q2 F: `- y! K - Update.printError(Serial);8 D" b/ h0 H9 p7 Z {6 Y: j6 _
- }
) t! e: N" k9 P& ?+ @9 I - } else if(upload.status == UPLOAD_FILE_END){
A( l: n: Z0 k! }1 q# ]" K. G% _$ b - if(Update.end(true)){$ |# s2 f* E; b7 P c3 K+ e
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);4 j! n1 }) G% j6 x: m4 \0 e
- } else {" G& u; J1 }+ a9 z
- Update.printError(Serial);
1 ?& y9 M0 D1 J - }5 D! s. a: C/ L+ x
- Serial.setDebugOutput(false);& O2 W, D: M( P3 g! a
- }' K' e5 u9 K4 h* I$ T0 T( E
- yield();% i: v( W: x) X: d8 M& B+ m: [
- });
( B; A, ~0 v. H# y7 m. n -
& R" F) A* ?" u - digitalWrite(2,0);
" ~8 J6 z V3 f% i& s2 e$ g - mainAction();
Y# e7 |+ K# ?, T1 }3 Z/ V - if (digitalRead(0)){
# _: F# M, \! V' o6 I) C( q - ESP.deepSleep(0);
7 v* ^! K- K4 N; P9 d& R8 s" n- \ - } else {' F. Y) w1 h4 y, x& ~. C: I/ _
- server.begin(); O3 j% w7 P9 m+ T
- }3 R7 m! G0 [! L d
- } q7 `& Y! e3 H+ s0 @+ i* n& q
- void loop() {
- `$ O- T" s" g: X" i+ R) t' F - server.handleClient();+ G& E$ T) h: Q4 j; e9 Z3 }+ V9 K5 B
- delay(1);
+ o6 e0 k* V2 }$ X* S4 T - }- u# A9 U0 G6 P& c
- String doGet(String url){ A# y4 ~6 `* F1 X, Y
- if ((WiFiMulti.run() == WL_CONNECTED)) {5 t1 ?) D, i6 s* ^1 `
- HTTPClient http;% G9 _( A) k3 f% Z
- Serial.println("[HTTP] begin..."); ^( e' @" }# D
- if (url.startsWith("https")) {: Y# h8 ~* X% |+ M/ {. j
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
$ ?/ q6 h, i5 o. {$ s - } else {
- M. @+ g$ b1 j- H; d - http.begin(url);
7 A, m: w6 `2 H, a* N7 _ - }
4 p; o/ j, ]: t' ~' } - Serial.println("[HTTP] GET..."); P8 L- A- S0 V! E, r
- int httpCode = http.GET();$ B c: K& \) d- y; M5 B
- if (httpCode > 0) {
" T2 V8 f& `0 U- A. c+ Q - Serial.printf("[HTTP] code: %d\n", httpCode);$ r; _/ O& d& q# _7 i
- if (httpCode == HTTP_CODE_OK) { n, q {& L9 |9 e$ {
- String payload = http.getString();
7 L) Z0 D+ s3 R8 t" X1 A - Serial.println(payload);! C/ W4 v1 @/ s$ L! G
- Serial.print("\r\n");8 Y: z e# k' K# d7 ]5 h! R* J% m
- return payload;
1 J* d( H1 E. V" j. X c5 r+ `- ]4 T - }
: |7 l! H! X6 `/ P+ [% s, t" ] - } else {' h; p- P* A& l' @: o* j8 P
- Serial.printf("[HTTP] GET... failed, error: %s\n",& D+ I* B5 ~% y
- http.errorToString(httpCode).c_str());- ?4 o: m5 |2 Z
- }: s# n0 z8 `! ]9 I! j3 M
- http.end();
6 w4 K5 r1 A% x) N* h - return "";
0 r4 q' b' D" o1 T7 H- ?. O - }" r5 s% M& `0 E# D+ }8 i$ ]
- }
: V8 n! Y: S' w& | - void mainAction() {; c1 N3 Y; f& `
- // 发送请求/ _& Y7 X9 o: z1 [9 y' X
- doGet("http://google.cn");
' {$ ^; l* {% _( V8 F" x/ {5 E7 a - }% F$ s+ t1 @8 o& @, h) ~# [
复制代码 |
评分
-
查看全部评分
|