|
|
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)
5 W/ m; P- S- W- #include <ESP8266HTTPClient.h>
$ ]; m1 z2 }% S& ]0 g! ~ - #include <ESP8266WiFi.h>
, ?# T& X# W1 t: D7 R! {; m - #include <ESP8266WiFiMulti.h>. T, p9 }6 c+ K! Z
- #include <ESP8266WebServer.h>
3 e) @8 B" ?. F- B6 S [ U' [; |9 s - #include <arduino.h>$ X$ F& w) q. ^) s% J% _! ^6 ^
- ESP8266WiFiMulti WiFiMulti;
0 E; }! i6 ? T/ }' W - ESP8266WebServer server(80);( I8 E& B" S% R6 ]3 L% p( s
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- K# F$ ]6 v' y9 l, R
- ADC_MODE(ADC_VCC);
6 n- ~! A7 Q8 ? - void setup() {
; {; ^6 {% H, m4 n - Serial.begin(115200);
# r& I. T: U/ e# t - Serial.print("\r\n\n");
* q1 c& v- {! q! V9 P& J, j - pinMode(2,OUTPUT);
6 U# K5 V6 X- p0 u% D/ M7 C - // WIFI
" n/ x4 {9 p0 j2 m0 M. | - WiFi.mode(WIFI_STA);
4 w8 D W; p2 G$ R+ a/ a: Y - WiFi.hostname("Sparkle");7 X+ s8 L! `9 B/ r! X0 @
- WiFiMulti.addAP("wifi ssid", "wifi password");
; b4 _* x$ J3 w V: ~, N - int tryNum = 15;3 D4 D: g. R5 a8 ]5 e; ~3 H
- Serial.print("Connect WiFi");
, H) a! \5 E$ U - while (WiFiMulti.run() != WL_CONNECTED) {
- D U1 V6 R n4 W- V& n! X' Q6 Z - digitalWrite(2,0);
1 l' k- u+ Y& v) \/ [) \" X - delay(200);' t! n1 a! a5 w+ m
- digitalWrite(2,1);
: C: s) k0 b8 J8 R% b - delay(300);
9 H5 \. f$ o& Z% e0 o' \2 z - Serial.print(".");
) @* t! }# C6 R: H8 z+ H - tryNum--;
& E. w" U% u7 Q7 u) `6 L - if (tryNum == 0) {
" Y3 a* p$ X2 ]2 I: A* J$ W - // 1min
' [. ~ F* L! J - // ESP.deepSleep(60e6);+ J$ m0 r! a# j) Y( _% ^3 n5 W
- ESP.deepSleep(0); Q: z6 e4 i0 U
- }- a" ]6 ^( o" C) X% Z. M
- }$ [2 A. v9 Q, b: v* e- P2 O, o
- Serial.print("\r\n");7 i: f' g# k- Y/ b
- digitalWrite(2,1);
6 D9 m; s% Q# P8 K - Serial.print("IP address : ");& e# m8 ?" x1 l) @; H* Y
- Serial.println(WiFi.localIP());
3 S# _, H' s) x+ E - server.on("/", HTTP_GET, [](){% Z" Z( ^ }4 Q' F
- server.sendHeader("Connection", "close");
' J2 i: P4 v& h0 K K0 X6 P: t - server.send(200, "text/html", serverIndex);+ N5 Q X9 f4 }- s" d7 n4 M: M
- });# [: Y2 X# v: c# n
- server.on("/update", HTTP_POST, [](){1 U3 }% T$ b2 g& P
- server.sendHeader("Connection", "close");# C8 h' t R% d- |
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
% C% l @" n* H, ? - ESP.restart();
1 [$ y+ @2 z: h+ k& c3 d& m - },[](){
0 m* V& A; T4 T+ Y - HTTPUpload& upload = server.upload();$ @ a6 L" ~! L ]7 j" o
- if(upload.status == UPLOAD_FILE_START){
7 M- A* d v* V* Z" j7 ] - Serial.setDebugOutput(true);; t0 u* e9 f8 m% ^( O
- Serial.printf("Update: %s\n", upload.filename.c_str());) w& R( V$ [/ [! v$ U. q
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;/ Z3 K3 V' W1 g+ i
- if(!Update.begin(maxSketchSpace)){4 M& E2 K) i0 e F' }
- Update.printError(Serial);; ~0 w, @0 A; |3 O) X. k
- }6 a5 A+ Z. `6 C5 q% z; _
- } else if(upload.status == UPLOAD_FILE_WRITE){- s! P9 Y& q) p- F
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){; u3 o- ~) _) z% d2 f y1 m
- Update.printError(Serial);4 `# `, m$ J9 R5 Q7 k4 }- l7 E
- }& x1 i& Q9 ?& w* i
- } else if(upload.status == UPLOAD_FILE_END){
# j( K4 m9 y. `0 n$ h) s- ?' H - if(Update.end(true)){& m6 d& @8 H& }; l+ m' `
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);- H, S6 e h8 v0 u! n
- } else {
$ n& d2 I* ^& g( f - Update.printError(Serial);
& K$ W7 d8 r; J1 f. p - }
* A4 x( d( F! J& L, ~ - Serial.setDebugOutput(false);2 U7 B: d _! {, ]
- }) q/ @+ H R% j" `+ b2 m* V
- yield();
4 P4 u% B" b; ]" v: ^1 | - });* Q: t" R& T( I
- ( I. ^8 C" o! z+ p
- digitalWrite(2,0);
) C4 `( C+ a- Q, J8 @; r( E6 V% t2 v - mainAction();0 ]0 U) ~- s8 m1 E! H1 l" S0 b- d1 g) u: x
- if (digitalRead(0)){
6 U1 T3 _% J" S E- L3 m& h6 Z - ESP.deepSleep(0);
4 b( K3 I6 h* ~9 b- r) r+ K - } else {
3 r. @' G4 T8 a" t# u - server.begin();
3 N2 F; ]% e7 }0 R - } D; r$ R2 X! r; E. w
- }/ j8 A9 s- g5 y1 ]; X
- void loop() {) M9 c7 R* F7 Z+ i# s
- server.handleClient();- e# ~6 F8 A5 [# t* A1 I9 q* z
- delay(1);
. K5 J+ ?0 n. B/ c - }4 d4 C1 S8 w+ `% G2 G7 w
- String doGet(String url){
5 `. v5 ?6 T6 E0 M2 x2 p* V - if ((WiFiMulti.run() == WL_CONNECTED)) {: d) O, q4 r H/ g
- HTTPClient http;6 T7 [1 d& s& M$ V. R; W: J
- Serial.println("[HTTP] begin...");
/ ?$ @! a1 z: H9 G3 L& x9 h' E - if (url.startsWith("https")) {
8 f- x. \+ y& ?, y: A7 D - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");/ `' ~$ ]+ _3 M! p9 i3 q
- } else {
z0 l: R: ]/ v4 a" p7 y/ t# f - http.begin(url);
% O7 g; U# C* k/ g+ r( r8 s; b - }9 i; m8 d8 N- D
- Serial.println("[HTTP] GET...");% }1 Z9 q: T! R$ X# D. \" c
- int httpCode = http.GET();' \) k0 ^2 }5 Q+ x5 D' O! d8 U
- if (httpCode > 0) {- r6 \5 i- g \4 y% L! Q% S
- Serial.printf("[HTTP] code: %d\n", httpCode);
2 ~" I! h7 L# T - if (httpCode == HTTP_CODE_OK) {
/ |( T6 w# z3 r6 ]( @; p - String payload = http.getString();2 _& ~) i& c2 G+ k: Q0 k& `
- Serial.println(payload);( s* j& B$ D2 N* t' q
- Serial.print("\r\n");9 D( H* b' D3 b. I& `
- return payload;! i( L' C' y0 u' d/ F/ Z; H5 G
- }
3 m7 _0 L* j/ F' B/ } - } else {
& v1 p# c8 _2 T$ l' H - Serial.printf("[HTTP] GET... failed, error: %s\n",
1 a2 M2 X3 P {, q+ B - http.errorToString(httpCode).c_str());1 s; y( D6 d L+ K8 V
- }; j4 n9 o9 B- Y0 X8 \# U" I( X
- http.end();
! C& e3 H& V' Q( }( X7 z - return "";
# e, [4 v" ^; ~/ ]' a5 i. a - }4 A- k% w( {$ H8 D! O( i
- }
0 o# u0 i& ?+ f$ ]- O) _$ ^- n9 s, W - void mainAction() {
* k# F5 m; K1 V3 `# a4 R) N- `1 K - // 发送请求% H; i8 m! J( f1 m
- doGet("http://google.cn");" \( \4 A: Y/ y0 B; \" _! x
- }
: ^7 K$ K% u$ Y. S
复制代码 |
评分
-
查看全部评分
|