|
|
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)
4 B& ?, v6 I B/ B- #include <ESP8266HTTPClient.h>
/ n+ e1 G0 J; d% s, R - #include <ESP8266WiFi.h>
# V' D& M' X3 E) Z0 N2 h" _3 V4 l - #include <ESP8266WiFiMulti.h>
. R3 r. i% r, A3 C! e, ~$ } - #include <ESP8266WebServer.h>* g8 \: z) r7 n* G
- #include <arduino.h>
$ @' u, X' P5 X! f. T - ESP8266WiFiMulti WiFiMulti;7 y3 i1 I9 J' ]2 v ?5 A3 F
- ESP8266WebServer server(80);5 ~4 D) r% V( B! a, i
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";6 O+ u* y6 S& k7 h `
- ADC_MODE(ADC_VCC);9 _8 a# d+ S% T1 H
- void setup() {, Q/ Q2 g! D& ?! t; O% F0 w1 m
- Serial.begin(115200);; ^5 o S. S. h- X C8 u
- Serial.print("\r\n\n");- J; M7 H% K( K5 B4 C
- pinMode(2,OUTPUT);
1 ~ K3 u9 k: F' K3 l7 e8 d e - // WIFI% V& O6 u5 l# z) W9 |* G
- WiFi.mode(WIFI_STA);
! Q& D8 [" m# B; l3 U8 f - WiFi.hostname("Sparkle");
1 K% T$ K3 H7 G! s4 V2 E: X - WiFiMulti.addAP("wifi ssid", "wifi password");1 g8 z; A- V/ p+ J
- int tryNum = 15;. N6 ^, h, {% j
- Serial.print("Connect WiFi");9 r' r( b2 O' C# e6 f( Q3 U9 ?
- while (WiFiMulti.run() != WL_CONNECTED) {
$ Y7 p: p" T8 j# o0 q& x - digitalWrite(2,0);9 E& \: _# Y$ ^1 L
- delay(200);
7 ^) s% |# l- O - digitalWrite(2,1);3 D8 x7 s' P# W6 J. D1 @
- delay(300);
$ j, u* M8 ~$ j" Z% J- { - Serial.print(".");
H4 T3 _' S- l, g - tryNum--;
+ v A. S) C9 q0 G - if (tryNum == 0) {
* @( l/ b9 s) t9 I - // 1min
% C7 z& }7 x" \0 N/ l1 `7 T% P - // ESP.deepSleep(60e6);
8 }: Q' [" y9 V0 B, j - ESP.deepSleep(0);: M! K# I3 C' B0 q: q) I+ @
- }
3 h" @* }3 ~5 y9 D. f' w - }$ e# b0 N4 t3 Y5 F
- Serial.print("\r\n");
& @6 i" b3 S6 @( b6 |& M - digitalWrite(2,1);
. _7 j T; s: X& Q7 ? - Serial.print("IP address : ");
/ j- _1 D# j. x& G5 @/ F - Serial.println(WiFi.localIP());
1 t+ b- ]" x0 k. |' k0 k - server.on("/", HTTP_GET, [](){& @9 ?$ ?4 x {3 Z$ Q( e6 |7 R
- server.sendHeader("Connection", "close");
! D, k- X/ w% x+ C" ~: \ - server.send(200, "text/html", serverIndex);
( Z, L# e2 E( b/ G' @- I8 Y5 y - });2 H7 k" }" v% n3 z" I0 Y3 P
- server.on("/update", HTTP_POST, [](){
% W* _0 U) \# M1 n7 i2 o z8 S - server.sendHeader("Connection", "close"); D/ X1 ?* z9 [! I% E, i$ a
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");0 b( w1 b6 Z: n6 f" I+ h
- ESP.restart();
$ [) q( J7 b% B - },[](){/ M8 u+ _, i# u* y3 d0 x& `% w
- HTTPUpload& upload = server.upload();: y% k6 u/ @( Z
- if(upload.status == UPLOAD_FILE_START){- W$ ^6 @7 k$ L/ b1 q1 |& b
- Serial.setDebugOutput(true);3 I8 L; ^0 Y! G. d6 O* h
- Serial.printf("Update: %s\n", upload.filename.c_str());
. Q; y6 Z+ _) L- K - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;% J+ T G8 X, Q3 R( z3 F
- if(!Update.begin(maxSketchSpace)){
$ t/ \' @4 M, t8 F - Update.printError(Serial);
' }" X6 r8 ~9 s- u - }
+ [0 \. k( S0 L3 v! O9 [ - } else if(upload.status == UPLOAD_FILE_WRITE){
/ r: p+ F1 l* c/ g# J0 Q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" ]( Z/ N- F' I - Update.printError(Serial);
3 q1 ~, e1 v6 O, E2 \ - }. P: `5 ?2 d2 d/ r
- } else if(upload.status == UPLOAD_FILE_END){6 y& f M9 Y0 i* t8 u
- if(Update.end(true)){
7 |9 O: l. u. D. x1 I `- C - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);: `8 R( R5 M; s% w6 h
- } else {7 @6 D5 h. o( l
- Update.printError(Serial);
% y) U. b; P6 l9 i - }, r+ }( K5 W' U. ?
- Serial.setDebugOutput(false);3 D' D9 j0 M) u- |" ~
- }
; _; z) F& h/ t# g+ \ - yield();* w, v& x$ W( L5 W. {+ b5 h
- });
% u" E, u: k% x, m9 w6 U5 y9 b+ p+ Z - ) ^' g6 Y, j, y) J% w( W
- digitalWrite(2,0);: o4 C. i% m+ I# O& L# {
- mainAction();8 K* g3 Y# M$ O. V" j. ]8 n
- if (digitalRead(0)){# {2 p* ^! P+ o Z! k; D3 ?
- ESP.deepSleep(0);
5 u. @+ T% }0 |% r. I& B% g7 G - } else {$ [ S+ @ D7 B6 `. V' I
- server.begin();$ g. M6 h5 i! G- ?# ?
- }
, K. B; Z2 o8 r9 l( B4 ~8 f: G - }
; s0 c2 e0 P) Q" L3 h - void loop() {$ X5 h$ l: \; o7 L0 e0 S
- server.handleClient();, y+ t/ p( q) Q4 \% P+ p
- delay(1);
, R6 g% y( L6 C5 o - }
+ Y& I2 ], e7 F - String doGet(String url){4 q' X! c% q0 C z
- if ((WiFiMulti.run() == WL_CONNECTED)) {
3 O' ~* i' z5 o: }+ r - HTTPClient http;- w& ^2 e! s, n5 k& L' B5 W' g
- Serial.println("[HTTP] begin...");: e/ x& B$ ~9 W/ }
- if (url.startsWith("https")) {
& P+ S9 q2 x- e$ s - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
l; N4 M7 B( a* i* v - } else {
! @5 l7 b9 [8 K2 Y$ M [2 { - http.begin(url);( s: y% @! @* u0 W' [
- } |2 j$ Y2 k5 D- {5 J
- Serial.println("[HTTP] GET...");
/ R% O( z4 N% v - int httpCode = http.GET();
* C9 \7 q2 `5 J0 x. n) o5 }9 S - if (httpCode > 0) {
/ v0 J3 W/ ?% d- Y& M- s8 }1 C+ J - Serial.printf("[HTTP] code: %d\n", httpCode);7 X/ a" l, c3 E0 Q5 f2 t4 v
- if (httpCode == HTTP_CODE_OK) {2 c( f' s' D8 F k; O. B- \
- String payload = http.getString();* [% J, h$ [0 Y- r4 \! b% d; T
- Serial.println(payload);
! E$ e# Q* J/ t0 b& I/ S - Serial.print("\r\n");
0 h# }6 v7 V0 N$ D1 @# q1 [* ]7 K - return payload;! v8 L3 g) I" \$ k7 W1 a; G
- }- y! d( } e7 A2 r, n
- } else {& q0 Q* F# I; l5 s
- Serial.printf("[HTTP] GET... failed, error: %s\n",
& y0 n2 {* K+ G4 m" m2 R! V6 B& z - http.errorToString(httpCode).c_str());/ Y0 c, Z$ _/ K. w! n \
- }
; D0 K' s9 B6 [5 e - http.end(); [! a6 H! Y" }3 T( \4 t2 O& W# g
- return "";! A6 t# m5 E0 S% |3 e# d X
- }
3 D9 M& `7 T* A0 N - }
, M) M, f! ^ L$ J3 p+ e9 ^% A& ]$ [ - void mainAction() {) U5 _4 S r, `: P+ L
- // 发送请求" [ m! S' U& ~: l; ]! _3 b$ O
- doGet("http://google.cn");
, y. J6 S! }7 V6 b& M- [2 p" a - }
2 w! W9 J& r! e7 I
复制代码 |
评分
-
查看全部评分
|