|
|
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)" a! ~5 a* T( X
- #include <ESP8266HTTPClient.h>
, R9 ]6 ?9 u) k" [8 w7 n* b - #include <ESP8266WiFi.h>
7 G; k) ~4 a2 P. j - #include <ESP8266WiFiMulti.h>
; Y+ S* e# w4 _/ }7 Y$ o t - #include <ESP8266WebServer.h>
' V% C) E `: w& x Y/ j/ h H - #include <arduino.h>
, Q4 H1 J3 ?2 O) l6 C1 J - ESP8266WiFiMulti WiFiMulti;
( N) M3 j9 U/ C2 c - ESP8266WebServer server(80);
0 p9 k8 i! c! G2 A - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
K. w D+ e# u! B1 w - ADC_MODE(ADC_VCC);
' A, |: y# n' d7 ] - void setup() {: {; j4 _* r7 b% m: m
- Serial.begin(115200);
4 \6 h9 t! A+ o& m ^" K, } - Serial.print("\r\n\n");2 {+ W/ B7 a6 D! H! \: J
- pinMode(2,OUTPUT);1 j2 u+ K( J9 n
- // WIFI
/ d4 u6 b) q2 K- Z3 P, n! u - WiFi.mode(WIFI_STA);4 |3 h0 ~) P: z0 `) } i6 F8 C4 y
- WiFi.hostname("Sparkle");
& V2 J; @$ s3 y6 Q7 f - WiFiMulti.addAP("wifi ssid", "wifi password");
3 m" z9 h _$ y. E - int tryNum = 15;
& I" j6 g' K0 \' e - Serial.print("Connect WiFi");
* P- h: L) c; b9 e m/ a - while (WiFiMulti.run() != WL_CONNECTED) {6 b$ {5 s7 N" b
- digitalWrite(2,0);
( g; b4 F8 J2 o! ^- f2 r T% x - delay(200);
4 B. _6 s+ T6 `5 l - digitalWrite(2,1);
" u# ]8 A" n. _; O - delay(300);4 r$ Q4 }2 p4 i) g+ _+ n6 x
- Serial.print(".");4 R- U L9 R# }0 J' w' n o
- tryNum--;1 U7 l" |' \- `& s6 C! R* I8 y
- if (tryNum == 0) {
8 z7 t, q, ^1 Q* J - // 1min
7 P2 |9 ] X8 V' d6 X - // ESP.deepSleep(60e6);
4 U7 J0 T A* P, u' ]8 |: d l8 { - ESP.deepSleep(0);
3 t- |. E6 Z, m5 z! H: i5 X, ? - }$ h/ W4 s. \/ x( \4 L
- }# m, \- u( n0 g- b0 S+ I0 f
- Serial.print("\r\n");
& y' l& |9 s+ x8 V4 o5 O - digitalWrite(2,1);+ w" [" H, C% s- U
- Serial.print("IP address : ");: y6 { N2 W: c! Q+ j
- Serial.println(WiFi.localIP());8 X3 L; [' Q9 g$ t* o8 a; y
- server.on("/", HTTP_GET, [](){
, ^" Q$ `3 P9 W4 N5 x% Y3 n9 e - server.sendHeader("Connection", "close");& O1 E) K# J' e m" N/ D
- server.send(200, "text/html", serverIndex);
. ^+ h# Q5 Q9 I. A8 h$ u - });
& p' j3 J4 a9 X3 l9 O - server.on("/update", HTTP_POST, [](){- b- U) ^5 D" `
- server.sendHeader("Connection", "close");$ U4 n7 q; {6 X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
: L+ Z5 r' J( y - ESP.restart();* z+ K% P1 b+ g5 P+ Q( c: Q3 Z
- },[](){* p* D8 R; e1 \- D
- HTTPUpload& upload = server.upload();
+ ]# z% ^1 x ^4 z9 b' t4 I - if(upload.status == UPLOAD_FILE_START){% E+ m! P& @. j
- Serial.setDebugOutput(true);0 f, l' P! X% k: F3 j
- Serial.printf("Update: %s\n", upload.filename.c_str());- R! k- x- f, L. ~! a
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
5 R% n1 h- J% p* C* i5 s# s# ^ - if(!Update.begin(maxSketchSpace)){# u: |& |* F" V! o
- Update.printError(Serial);
& G: O2 [, u. h" W - }/ u% g) G' }: @7 C
- } else if(upload.status == UPLOAD_FILE_WRITE){
! w( T' J+ S- e7 S5 D. q$ O - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){) W6 G5 ^0 t& @, I$ B/ U
- Update.printError(Serial);3 A; Q. m b) s5 ?. [
- }
1 \& y& n6 `* [1 ]6 ^( D - } else if(upload.status == UPLOAD_FILE_END){
- S' G1 n" u [0 z& u, Q - if(Update.end(true)){
S9 r* {3 f/ W9 W& W0 o - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 ^4 O! A% D9 T6 j( L
- } else {- ~4 F" n3 ?/ c
- Update.printError(Serial);5 V+ n. D$ V$ T; v3 w" S8 A
- }3 k# F9 Z p; [. H7 l
- Serial.setDebugOutput(false);4 i4 Q8 _% Z( }: y) |. |% a. g
- } {5 V( x/ _/ g" H8 Z$ e, c
- yield();
+ ^" r# j9 @% y/ L - });
1 B, \' V/ G. l" ~8 e8 x' z -
+ Z. k* Y( N( Q3 Q+ Y w$ ? - digitalWrite(2,0);0 u# a; o E' j9 n
- mainAction();6 T3 W4 a1 C9 |. g
- if (digitalRead(0)){8 E0 u" n! s2 k
- ESP.deepSleep(0);- n4 |- e9 c) e: q+ Z" x7 F# g2 j) N4 r
- } else {
, |3 _0 E: b' k9 Q6 q - server.begin();
( O2 C: T7 g) p - }
! b3 e H6 P: S5 m4 o/ o - }% o9 `2 c7 t, ?* e, @5 | h- \
- void loop() {) D) y# x3 ^9 o" g
- server.handleClient();
" n( y. r; K1 I% h6 {1 \ - delay(1);8 F5 \7 w6 I: g
- }" r- m( O: G; E0 t
- String doGet(String url){- j4 F- N; v. ~; {4 ~
- if ((WiFiMulti.run() == WL_CONNECTED)) {' s# A8 Y: T. C
- HTTPClient http;
- p" u( U) ~0 _: Z3 x8 D; g H - Serial.println("[HTTP] begin...");/ A* S% m5 F3 z5 v0 M1 m& n6 }
- if (url.startsWith("https")) {
! g9 P; h$ {& } - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
) W! A! Y9 t8 |2 }9 ?! E) x/ ~ - } else {
0 v& `3 G4 j4 A- }5 Z% i - http.begin(url);4 ~( ]: K+ q* b9 p* |. z( Z9 @
- }3 @+ U/ ~/ l/ X% x% Z3 f
- Serial.println("[HTTP] GET...");& w/ R* v0 j4 I: R/ t+ N
- int httpCode = http.GET();* B9 q% d7 F+ U# P# |! [, j k
- if (httpCode > 0) {
3 A# e5 V% r+ \ - Serial.printf("[HTTP] code: %d\n", httpCode);
0 W: z+ t/ N2 \+ Y+ l) _5 D - if (httpCode == HTTP_CODE_OK) {
8 U8 f: a+ V/ V - String payload = http.getString();
' G; C6 ~7 B9 e* p- N - Serial.println(payload);
- x8 S2 h3 f) D2 c - Serial.print("\r\n");' y& F3 b' n9 c" S* p. ?
- return payload;' O. O& ]0 }0 j
- }
! g; m6 ?" S% b* A; p - } else {7 c' V& \, h4 |) w' ?
- Serial.printf("[HTTP] GET... failed, error: %s\n",
5 A/ h2 H0 }% F$ d/ n5 z - http.errorToString(httpCode).c_str());
) |7 A0 |) m. s! Q" |* q - }0 h @5 F2 Z! u; j
- http.end();2 }, R: O. F, q0 u. A0 @8 h
- return "";
% N7 e+ D( g% t0 y3 d8 q - }6 m H1 X' Y7 o- ^- b6 R
- }
, I* U" j) Z' h; d g3 ^ - void mainAction() {3 q# H. X( ~+ ~
- // 发送请求/ v! e3 @: [3 u3 ^! l/ a8 w& ^
- doGet("http://google.cn");
3 y9 O& n; W: F( [) ~ - }( O0 }: E3 _( e1 n/ m
复制代码 |
评分
-
查看全部评分
|