|
|
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)
+ {! G* \1 a. B; r/ A- #include <ESP8266HTTPClient.h>
* |4 |1 V) g/ g1 v9 | - #include <ESP8266WiFi.h>
, X' L9 l5 n0 V3 u2 _" C3 f' C - #include <ESP8266WiFiMulti.h>
6 g! U6 l2 H; o" v6 r' J! i6 f - #include <ESP8266WebServer.h>
* L) P5 G# D( L2 O6 [; i0 n5 N - #include <arduino.h>* i; H6 z2 a$ _" O) }
- ESP8266WiFiMulti WiFiMulti;! o# L$ p9 J6 h& j' p3 q
- ESP8266WebServer server(80);& q! t! \7 H# Q5 T+ x
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
6 ~2 s7 Z# w; Q8 c$ j - ADC_MODE(ADC_VCC);
% i7 j3 f1 y# V# M - void setup() {; u6 u7 J* ?4 \: o6 P
- Serial.begin(115200);
# j( x( b( x8 W" K - Serial.print("\r\n\n"); n" b: ?) O' T) U/ I
- pinMode(2,OUTPUT);
- D, \% f* z& ]" }" Z2 [* d1 L) Q) T - // WIFI1 A1 e4 |- I$ c0 l+ H, v( m
- WiFi.mode(WIFI_STA);& K. ~/ X; \: V2 h: A% s
- WiFi.hostname("Sparkle");. \' Q* E1 S Y* i P4 S8 f
- WiFiMulti.addAP("wifi ssid", "wifi password");5 D: [8 }% n) I6 C. _: c* G5 x
- int tryNum = 15;
+ r) l; ]4 {% K8 I1 O - Serial.print("Connect WiFi");
2 f6 M/ L( w4 r* ] - while (WiFiMulti.run() != WL_CONNECTED) {
5 [: C4 i# j" [/ l" N r8 D5 r1 ] - digitalWrite(2,0);1 u, U2 I( x$ Q! ~% G& j
- delay(200);5 t2 _$ ~+ \* q; ?
- digitalWrite(2,1);) W3 L5 e4 H0 S: g: I: m
- delay(300);
6 X$ C/ w9 }0 [5 u5 v: H - Serial.print(".");' @, T* t' Q. [$ V' h2 Y6 g
- tryNum--;
- m: m2 s, l# n! }; P" w - if (tryNum == 0) {
: n4 | e& V2 d s- g+ v - // 1min' f) ?: o$ c' U. F5 T! ~
- // ESP.deepSleep(60e6);
; D* h& o% z* \9 g6 W! ` - ESP.deepSleep(0);# m& s# p* ~+ C
- }
! U2 B( E, e& s2 M+ s. U' [ - }4 B8 d! Z. o6 }; a# g
- Serial.print("\r\n");
+ B9 I+ f2 L; l3 W6 F6 D+ Z9 ` - digitalWrite(2,1);/ v; n6 Y- ]0 b7 Y1 v9 Z- V
- Serial.print("IP address : ");
) u5 O, X4 D$ p/ b# D1 k) g - Serial.println(WiFi.localIP());* q. U: q* T6 D
- server.on("/", HTTP_GET, [](){
5 r: Y7 L$ e3 {, o$ C0 W - server.sendHeader("Connection", "close");8 P- P' t8 I* J' D
- server.send(200, "text/html", serverIndex);9 h' b6 C$ n. y% W& B
- });
2 h/ m* a3 p1 Q, L& q1 C - server.on("/update", HTTP_POST, [](){( T2 ]5 _2 Y! }1 G& w+ y
- server.sendHeader("Connection", "close");' |6 ]7 q4 n; q. o9 M2 ~
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
* b( N' O" z7 B - ESP.restart();# o! x) [) X+ ]' a
- },[](){5 Z/ P7 ^" K5 Q: {+ w9 w9 S9 f3 P1 \
- HTTPUpload& upload = server.upload();8 x1 p$ i* F" _
- if(upload.status == UPLOAD_FILE_START){# w, w, }7 G5 J3 c
- Serial.setDebugOutput(true);. M6 V4 X- q" J% N5 I
- Serial.printf("Update: %s\n", upload.filename.c_str());
/ z# K2 V% e, w - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
2 Y# |2 W! X& e% B5 I - if(!Update.begin(maxSketchSpace)){
7 E; Q; X( H* i# E - Update.printError(Serial);
4 n Z' f+ x5 g" F% _ - }
, ?% ]! Q6 A! e. A) U - } else if(upload.status == UPLOAD_FILE_WRITE){
& R w6 o x# Q0 E4 Q+ f" @ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){! m/ m: j% ?# Z1 E$ q& m8 P
- Update.printError(Serial);; h* O- ]' u8 d# K5 C
- }
. D. r& u2 ^# V+ b! ?% h1 P - } else if(upload.status == UPLOAD_FILE_END){2 K1 z2 |+ m+ H/ b' a; H. |% U2 e
- if(Update.end(true)){; b# }) i; \* C1 I4 [5 u2 d' }
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
$ [! ~' ~6 i5 e - } else {
3 I( W0 }4 ~. F9 p, K - Update.printError(Serial);, f# x; z$ I/ G& u
- }$ g9 v- N4 f. }6 U4 A" U
- Serial.setDebugOutput(false);
, u9 K9 y6 ]) u1 ~ - }3 v. z, |- G1 b( O/ a% t" F o
- yield();
) x& h8 O- c/ C - });
$ _( A' H* e/ b, _; Y- d8 i -
0 V: ]9 Q0 b+ n+ i - digitalWrite(2,0); k& N+ L2 l% U5 I, f" A% `0 j$ }# q# ]
- mainAction();1 R( |- ^2 n2 u8 U; f8 d
- if (digitalRead(0)){/ M8 }; r$ ^+ ?6 w+ c8 F, V& }1 v
- ESP.deepSleep(0);
$ {( d" K7 h- @ - } else {
" Q' P- [2 Z" h1 \ - server.begin();
( n! G: v& T) J3 T - }
. P+ o6 X! R& O - }$ U; _5 J0 w; Y! q9 ?. }
- void loop() {
! G4 L- k4 s, r* x# S% L; q0 q! z - server.handleClient();* y, y" o" N' n$ ?: y
- delay(1);
$ _5 `# \4 {1 H4 }! c3 O7 k) B - }* G7 e7 _ N0 m/ v& E/ _
- String doGet(String url){( R1 {$ u8 M3 D6 n& h
- if ((WiFiMulti.run() == WL_CONNECTED)) {
; C" D( \: Q! N' X - HTTPClient http;& r: f* J+ i! J$ P
- Serial.println("[HTTP] begin...");
+ k Q' K4 H& a8 N5 s/ P7 J - if (url.startsWith("https")) {
" ~0 M1 M, N1 ^8 }" B2 J) c - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
* g- b2 B/ p( g, T% @# c+ M - } else {' a* W5 e Q' R" a w, u" c
- http.begin(url);* `1 q7 L x- B' p4 ^
- }/ v& M$ y4 O7 C8 m
- Serial.println("[HTTP] GET...");
# ?# Q$ n$ M7 k- Q6 s9 X$ E - int httpCode = http.GET();
5 [8 {/ g/ h$ Q - if (httpCode > 0) {4 y0 W) ^& Q+ V" ?' }9 }
- Serial.printf("[HTTP] code: %d\n", httpCode);
. y+ Z$ K1 k+ v/ Q7 T: j, g - if (httpCode == HTTP_CODE_OK) {/ E5 C0 t4 q* {0 C+ |7 l# {& V, T) z
- String payload = http.getString();- n4 |) A, l9 v+ s% k. G _
- Serial.println(payload);: h0 z* \9 ?9 |* i7 u, \2 V( X
- Serial.print("\r\n");
+ `* Z4 W" X8 R( c/ l - return payload;
* `2 a) y5 v. H' |$ N6 g0 U - }( }! g; H. l! }5 J) j
- } else {
- M/ L. V+ @4 t" Z - Serial.printf("[HTTP] GET... failed, error: %s\n",
% g {6 f7 T" u) E8 S; S - http.errorToString(httpCode).c_str());
2 R4 ^; S% E: C2 u, P3 Q& M/ P - }
0 T+ Y" J! Z8 i/ m% w6 S - http.end();% @ V" I% h# }
- return "";
! t5 d+ y, |* G) J; A - }
0 `7 l* g% _7 ? r - }( y' u0 E7 G. t! b" f4 a9 p7 V4 G
- void mainAction() {
5 \6 s8 p5 ]. a) M - // 发送请求
- X: H$ }3 D1 s- z8 H2 m$ N - doGet("http://google.cn");
# P5 K: t. c6 e - }
" V$ j1 h y R% w- D
复制代码 |
评分
-
查看全部评分
|