|
|
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)# M `2 M' \/ o4 Q
- #include <ESP8266HTTPClient.h>( T# }* I( l' a. ~7 ^. q
- #include <ESP8266WiFi.h>& g0 e# u. P- ] p @& m. V
- #include <ESP8266WiFiMulti.h> s/ Z1 Z% y* b6 E7 K* t
- #include <ESP8266WebServer.h>
# i. h& X9 M" l0 k; n- o. m& M - #include <arduino.h>
" O# P2 k) ` M' ?% F9 ? - ESP8266WiFiMulti WiFiMulti;' v3 I: V5 X) f/ R
- ESP8266WebServer server(80);
7 [' e4 l$ u% M5 @) o8 u - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";, U+ U/ K0 D% ?' ~+ J
- ADC_MODE(ADC_VCC);& P+ F1 N( P7 B1 Y2 _# o0 \
- void setup() {
6 u6 X" f# O; V; f. V, y- [ - Serial.begin(115200);
: d: g( L4 r6 c2 | Z - Serial.print("\r\n\n");. l( V" e/ M W) I. Y G7 g' f4 B& }
- pinMode(2,OUTPUT);: |' W" u1 A* h
- // WIFI
& f! H& C5 S( K$ z. a& r - WiFi.mode(WIFI_STA);2 O" R' X. @: Y
- WiFi.hostname("Sparkle");$ B @, Z# k7 ?- l" X9 j
- WiFiMulti.addAP("wifi ssid", "wifi password");, Y" H5 Y7 ^8 E# u' G, `; [
- int tryNum = 15;6 {2 N0 \) r: p/ v" E
- Serial.print("Connect WiFi");- X. R) z( [' c6 T$ r9 k
- while (WiFiMulti.run() != WL_CONNECTED) {
- C. X, G% E% W - digitalWrite(2,0);
+ _$ p' ~! ~5 ^9 |' b. E; u1 J - delay(200);
- q! W5 `* o& n4 y# U+ B+ { - digitalWrite(2,1);
1 Y3 T" @% i, @3 ]3 p - delay(300);! S( j) S( ~0 C0 Z
- Serial.print(".");
2 W# ]9 s0 l7 I& `, M - tryNum--;
- W! q, ?& R% R: d' b: T$ `& t/ f - if (tryNum == 0) {7 M+ D. S, Q! V T! S8 X
- // 1min6 L' e1 G9 Q1 k8 X. k2 b" X# }
- // ESP.deepSleep(60e6);
5 q3 c6 G) i- V - ESP.deepSleep(0);% f; g- U/ T( W6 A/ r5 X% \
- }, M5 k* |4 x* {) D- W
- }, `+ v- b0 t( _8 A+ K* H S. j8 u9 L
- Serial.print("\r\n");
5 V4 J- b, q5 q* \$ B - digitalWrite(2,1);
7 z) b# x# r# |2 F - Serial.print("IP address : ");
! F( K, V* X$ L' i) a6 m- l - Serial.println(WiFi.localIP());3 R$ ~0 M l8 X' n' O
- server.on("/", HTTP_GET, [](){3 X0 b" c: o8 y' H, m- d# c
- server.sendHeader("Connection", "close");) ^. p' G3 e' c' h' m s4 h
- server.send(200, "text/html", serverIndex);
) a9 a3 |0 _3 o: L - });
# [* N5 t* }, g - server.on("/update", HTTP_POST, [](){
6 l0 p) @- B; \3 n) Q - server.sendHeader("Connection", "close");
% k/ i& Z( k$ H8 \# H - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");, p% _6 P; S/ [ e
- ESP.restart();5 v5 r4 U0 ~5 [" P
- },[](){. p0 p$ O5 q. D* J
- HTTPUpload& upload = server.upload();
/ R) K" v0 C- @; a9 r7 f - if(upload.status == UPLOAD_FILE_START){
1 a5 S7 y) W7 F+ f - Serial.setDebugOutput(true);
) `3 k, @8 L4 B - Serial.printf("Update: %s\n", upload.filename.c_str());; A9 l+ z0 {$ S0 O* Z: j
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;" z" w5 X% x% T# X( o: Q' P( e, d
- if(!Update.begin(maxSketchSpace)){$ I8 X- n* e$ T6 a
- Update.printError(Serial);
# E& {$ m5 {! y8 e0 Q - }
M% l. A8 H8 z& x4 g5 y/ W8 ^2 l - } else if(upload.status == UPLOAD_FILE_WRITE){& w0 C8 T6 Y: w: N5 j* u# m
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){/ M: L8 N( T# h. N. h2 f
- Update.printError(Serial);
2 |1 ?$ D* s4 l - }/ r7 r0 n t8 l* \% }$ v: E
- } else if(upload.status == UPLOAD_FILE_END){
2 H& y, w: L! n2 @# t0 w& { - if(Update.end(true)){
6 j2 r5 n. _/ X8 u5 C - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
& z$ ]* f7 F e( \8 F- F i - } else {+ `/ }. Z! F0 U4 N: b" G2 | p% ^* H
- Update.printError(Serial);
7 n9 u0 a* x# r6 u, P - }
" {6 V4 L5 o. u1 A. d* C' a+ j) i$ q - Serial.setDebugOutput(false);
/ t$ r& f2 ~2 [& F! I9 E - }
( j3 G9 ^) k, j1 L$ x2 q. @ - yield();
0 I+ B- E" h, Z* T' f' _8 n1 _2 t - });
8 _% Q( b" h' h X' H/ v' V u3 v -
0 {! E) I- s' p - digitalWrite(2,0);
$ z3 D, Q$ }; @8 _- N - mainAction();' k& X, i; ?% c _' r g/ a6 n, [
- if (digitalRead(0)){5 _' O+ L0 |% O. R# {! c" i
- ESP.deepSleep(0);
- y6 ]4 y8 V; U* t" G) a6 S' L% T - } else {7 r2 c- s D/ r1 S: b8 B: O( }
- server.begin();1 G) z' _: Q. d) ?! c
- }
% z9 h4 W+ j' V) k% `& ] - }
# w6 _$ `/ _& b9 t( u/ r: v - void loop() {% ~/ Y; e5 D- E3 r
- server.handleClient();
! R, H: Y, z) ^. H0 t. h1 t - delay(1);$ w. Y! ^$ V. o0 I
- }
0 b7 @; q! O# p" h& |7 t - String doGet(String url){
L, X3 {% d- I2 L' R - if ((WiFiMulti.run() == WL_CONNECTED)) {
& V2 Q7 v1 W r7 S4 b# I% I - HTTPClient http;7 @( O( a# C9 d1 C
- Serial.println("[HTTP] begin...");. f. A* j4 z' l& b4 B6 p
- if (url.startsWith("https")) {, {, B' ?" x. {* x' Q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
" A u4 C) H' u0 f9 _ - } else {7 q4 `# h) ]/ Q* k
- http.begin(url);
; x' [; Q% P3 q+ N - }
( U4 t' I) h, s& c+ l& K - Serial.println("[HTTP] GET...");
$ i: ^3 |, W- c* p: A - int httpCode = http.GET();
& y; P5 u0 Z, l - if (httpCode > 0) {9 |/ ] Z$ R0 Y( n- g$ c
- Serial.printf("[HTTP] code: %d\n", httpCode);
/ Y. x! @7 s: S- n# L6 ` - if (httpCode == HTTP_CODE_OK) {
2 J9 R: i9 @5 B1 j1 z - String payload = http.getString();
o5 ^. b, `3 e% }( D/ \ - Serial.println(payload);
8 w( ~* a4 U8 L$ o# c$ i0 u9 C, v9 Z - Serial.print("\r\n");
8 w6 e) p7 Q4 a" E7 q - return payload;
7 Z# F) |# B' ?8 E' z( G/ H - }
& a& H, ]% }8 ] - } else {+ b) Q2 l, x" s* U w$ i, D/ P! h
- Serial.printf("[HTTP] GET... failed, error: %s\n",
|; X7 e/ A ^1 A0 y* V9 d8 o - http.errorToString(httpCode).c_str());
+ l" g2 H$ D3 z* F; e4 H6 w& r6 G - }9 V1 i' \' o: f0 M$ }6 e
- http.end();! `3 T! ]5 ]6 [+ Y2 L8 z4 f5 f
- return "";
3 I6 `6 ~/ q2 [$ m: A - }, E* b1 K" p4 O" n
- }- D/ F w! D: K0 E/ p, \9 j; G
- void mainAction() {
, n; h7 M( @6 y+ h+ x! \ - // 发送请求1 E# N% h3 p( r
- doGet("http://google.cn");
0 u" ^# D3 T- v R - }! L U4 {* h. \; s# Y/ n |
复制代码 |
评分
-
查看全部评分
|