|
|
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)$ R8 }8 O1 H( @8 Q7 e5 q
- #include <ESP8266HTTPClient.h>
4 N: C' N S! ^4 d% @8 S6 o - #include <ESP8266WiFi.h>7 U8 O# V/ y/ F, m% W5 K
- #include <ESP8266WiFiMulti.h>4 v. o V0 p, [+ G* T: {1 ^2 U
- #include <ESP8266WebServer.h>! p R: l! o$ B: t; D. H
- #include <arduino.h>
; {5 T; s2 N& L5 Z - ESP8266WiFiMulti WiFiMulti;6 c- `( g: c% } d7 K5 _& u$ N7 W6 o
- ESP8266WebServer server(80);
4 q- N2 o* G/ L - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";, f5 s( }5 J: x' d& N
- ADC_MODE(ADC_VCC);
% Z: `3 ]8 j& o! s- m - void setup() {! f- @4 z, u/ s$ G$ R
- Serial.begin(115200);/ ?1 m; e. l* I0 R
- Serial.print("\r\n\n");
+ A. C; _4 S$ }/ L' `6 { - pinMode(2,OUTPUT);% j, \ d5 M8 x: c
- // WIFI/ r' s! A: h$ P' f8 ?
- WiFi.mode(WIFI_STA);
* _; x2 d; P9 S6 ? - WiFi.hostname("Sparkle");
8 ]" _! Q( l! u& [: ^! z - WiFiMulti.addAP("wifi ssid", "wifi password");% v" P4 p) q8 j& ` R
- int tryNum = 15;
% {! s/ j6 l! b- k$ B( ^) u - Serial.print("Connect WiFi");
' B9 U: i6 }$ ^) v1 f! p - while (WiFiMulti.run() != WL_CONNECTED) {
3 [ B6 P( X$ k" {5 M - digitalWrite(2,0);
. s9 l% h0 R6 i - delay(200);( }4 g' L2 @% d; @# C& J$ h9 D
- digitalWrite(2,1);! c. x- y. B1 O& r' h+ u
- delay(300);
' |- n/ _8 v0 a" e. ]8 ]8 _; h - Serial.print(".");8 q3 A$ H: O# [8 v
- tryNum--;. O- q* H2 i. d- D a, F6 F
- if (tryNum == 0) {. D2 D, d E" W
- // 1min
6 s5 z3 T3 g, R' i3 ` - // ESP.deepSleep(60e6);- | h5 z5 |/ l' p. J- F! z- ]
- ESP.deepSleep(0);. ?9 M. z& e9 ?. G) y
- }2 z( F+ }+ {) f1 m) Q
- }
4 ]- x8 v) X( C! h# n+ e - Serial.print("\r\n");* a$ m2 i6 v, I; [) m" H
- digitalWrite(2,1);: j% H l3 _5 m1 f( _" V
- Serial.print("IP address : ");
9 n1 r, Q; x# r! E# D - Serial.println(WiFi.localIP());0 H, V3 c ] m) b# A+ d! A
- server.on("/", HTTP_GET, [](){2 Z' _* G3 ?5 }
- server.sendHeader("Connection", "close");8 i9 W& x3 e: g0 z
- server.send(200, "text/html", serverIndex);
( e$ v# P( J0 I7 ` - });
7 k) \, k. z# z9 t7 _/ ~ - server.on("/update", HTTP_POST, [](){8 ?1 ]1 ]+ B0 ]# E: o
- server.sendHeader("Connection", "close");
: U7 _6 B8 f1 s - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) S/ l" v/ O$ U - ESP.restart();
1 A( ~+ ~+ e+ {: g7 J9 b; H - },[](){
- d4 h" S0 K p. P! W$ } - HTTPUpload& upload = server.upload();
; M; w# Q8 U0 k+ C! A9 x' A - if(upload.status == UPLOAD_FILE_START){
7 S% i" J1 g1 Q - Serial.setDebugOutput(true);+ \! f' @( ?# m' o1 b1 V& T
- Serial.printf("Update: %s\n", upload.filename.c_str());
7 T! ]6 \- U, N9 \7 Q% z" i - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
2 l: Q1 K9 S3 v0 a! i - if(!Update.begin(maxSketchSpace)){7 D8 R% ~; H1 Q% q
- Update.printError(Serial);7 G* Q3 J* R# M2 v/ ?
- }
0 M% j) F+ ?6 Z! [' {/ c! k - } else if(upload.status == UPLOAD_FILE_WRITE){
% r( w+ A) O. w2 v- C, ~ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
0 ^" T' ]/ |8 O8 l$ V7 y, s/ m - Update.printError(Serial);
# |. p" g+ n: ], X - }) r! r+ B" j$ `! q
- } else if(upload.status == UPLOAD_FILE_END){' i5 [* F! M( B1 c1 K! N
- if(Update.end(true)){
7 K' X9 W5 l% {8 J - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);0 Q; Q2 D# k; x! {1 U9 s' Z
- } else {
) l% s" T+ H5 e1 L [" a - Update.printError(Serial);) t* i" F1 l7 Z. Y" m
- }. D: \8 @+ p6 I8 C1 K
- Serial.setDebugOutput(false);1 t/ f8 ]" q7 B% t( b, b5 n
- }
4 O& J# q8 H3 C6 _ - yield();$ K3 Y' b5 f$ e
- });
$ J9 W$ R( y! X7 m6 J& Y - 8 P q( L9 o4 f# M, H9 r
- digitalWrite(2,0);2 B2 O1 i8 b+ G; y3 c
- mainAction();$ A7 R# P: t' c
- if (digitalRead(0)){
' ~' e; {0 z/ I6 ?5 _$ p/ Y& `3 F - ESP.deepSleep(0);8 C) x* V- R% M3 D& X1 r2 `' t- X! t
- } else {
( t" N3 {: z2 M, m+ O2 S - server.begin(); B' T9 `: ?" X" b3 j4 @
- }
; S) `. L" B4 X# o" n9 h - }
D; }6 u1 I3 I _: ~# R - void loop() {
, n. ~3 z, a, u. {; a7 l! M - server.handleClient();+ \' [4 n( ?6 R- }
- delay(1);5 u$ B. X9 J, W. }- \
- }7 I$ a8 V7 K' [5 `
- String doGet(String url){
& T" X( e: Z, Z6 S H - if ((WiFiMulti.run() == WL_CONNECTED)) {$ v" o' q1 Q5 x1 T; f
- HTTPClient http;
# v$ N" Q" X: s& V, u - Serial.println("[HTTP] begin...");
. j( x' ?8 A0 @' C4 P - if (url.startsWith("https")) {
! Z7 \3 J* i0 L$ J2 [* G! q - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");1 m) ^1 n4 H9 H" B; ~8 R q% V8 Q4 _
- } else {+ ~3 V% g r# e" x) b* O, Q1 l& v; v
- http.begin(url);
1 R: ]1 ^; F2 t5 a# I - }
9 J" A' A. ~" } - Serial.println("[HTTP] GET...");9 Q& R, B, Z( N" M! q
- int httpCode = http.GET();
3 h9 S, r4 R" l6 } - if (httpCode > 0) {
$ S, u f6 u* Y/ j% |* ]. b" ?* p - Serial.printf("[HTTP] code: %d\n", httpCode);# }' v2 R: G1 c, m3 K( \
- if (httpCode == HTTP_CODE_OK) {
% g, b' Y' f1 d& u( [: d0 T: r - String payload = http.getString();
5 t. N- V) O( q2 i! T2 s - Serial.println(payload);, q+ e+ W i- u& R! [) j2 k
- Serial.print("\r\n");
. X; d2 P Z: |0 k9 f1 K/ } - return payload;5 O" l P- N4 H7 g
- }/ G a8 V; u) q& i* |/ B2 y( C$ G
- } else {
% Y0 n5 _- Z- v" n - Serial.printf("[HTTP] GET... failed, error: %s\n",( i1 Z" p Q n
- http.errorToString(httpCode).c_str());! X) o) f2 x$ _% r- G
- }
" n3 W& A* t2 m3 F - http.end();
) Q. W& G4 |% ]! v5 F - return "";
/ C- z& ^2 T9 n5 w# {2 s - }
! E% b# h' X8 O7 g! `; K# n" R - }
- e% W# E& z+ o - void mainAction() {4 t' X. Q+ ?1 p& q$ T
- // 发送请求: r5 \0 u, u9 g6 g
- doGet("http://google.cn");
0 a7 @, j6 U s6 S4 z - }: U& J2 O/ M0 u5 d6 v
复制代码 |
评分
-
查看全部评分
|