|
|
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 B; _" e. V8 H$ |+ C- #include <ESP8266HTTPClient.h>
0 \% c3 s9 E# f1 a2 F" X5 @8 A - #include <ESP8266WiFi.h>' Y2 {8 R" c! t9 Y9 }& C% @4 b
- #include <ESP8266WiFiMulti.h>4 i9 n6 i, k9 p; s
- #include <ESP8266WebServer.h>
: i" b( M4 Z* c8 h - #include <arduino.h>7 h- P& M4 V; U& S' i# A; r
- ESP8266WiFiMulti WiFiMulti;
# l: F2 }! n& ^+ f) d - ESP8266WebServer server(80);. _$ f O' s" L4 \
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";5 b6 K, m# ~' J$ z
- ADC_MODE(ADC_VCC);# O* o' w: p8 E- m& }
- void setup() {
* R5 V! o9 o& r" @ - Serial.begin(115200);4 F! e' L' t, Z9 T
- Serial.print("\r\n\n");
; ^+ R2 u. F" ]' d" Y5 ^/ \7 n - pinMode(2,OUTPUT);
: m, ~8 { v9 ^# h8 x - // WIFI
. l0 D$ Y3 U3 r0 g: s. { - WiFi.mode(WIFI_STA);
# e& p8 L; X, D9 t. I9 C# J) f8 H - WiFi.hostname("Sparkle");! l; X7 |. L0 Z3 S& E. Y
- WiFiMulti.addAP("wifi ssid", "wifi password");+ A( K8 n. a& C: P5 E7 W
- int tryNum = 15;, U3 {) F! {& `' R# @, N6 J) t" r
- Serial.print("Connect WiFi");
- p: R# {. |1 s, I) y - while (WiFiMulti.run() != WL_CONNECTED) {, f& c g5 U$ `9 L* s4 `9 g
- digitalWrite(2,0);: {2 n0 L0 M5 t) m
- delay(200);+ x3 M8 M( r+ J w& y
- digitalWrite(2,1);/ {& {6 H/ T7 ^. G% C8 W# k$ p+ u
- delay(300);% N, |2 v, o( ]! E: _) ]
- Serial.print(".");
8 n, a/ p" f& |, `3 y. h9 C - tryNum--;
5 R2 Q/ s3 o" _% y# D% W2 t8 X - if (tryNum == 0) {
# o, G: Q2 [" m - // 1min) A9 o3 T' Z* p) b
- // ESP.deepSleep(60e6);
% T2 D, O( f; m5 M$ w - ESP.deepSleep(0);
3 \8 T( N6 u" @- f' V - }
9 ^& T: f( h% p, N - }
- K. D' {, ?! Y6 W( c; T# Y - Serial.print("\r\n");! ^; O! ]( P& \' R
- digitalWrite(2,1);* f4 ]1 t" S% L
- Serial.print("IP address : ");
0 V2 o# M' b: I4 |; e% {' d9 e" u - Serial.println(WiFi.localIP());
3 y3 ^) O8 @! D$ X$ \( N/ p% K$ v L - server.on("/", HTTP_GET, [](){+ ?6 n; u# Y8 ]0 B$ O9 I J4 N
- server.sendHeader("Connection", "close");, Q2 `" l. {! P! ~" v2 H% _/ T) X
- server.send(200, "text/html", serverIndex);: f) ^. t! v7 K; O* F( {
- });
" W6 D9 W; ^: C0 h& i$ d - server.on("/update", HTTP_POST, [](){
+ o O& _, r/ O+ Y/ U' v4 n$ o - server.sendHeader("Connection", "close");
' E$ f4 b1 _3 W9 H) d - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
# ^( l* |1 [, { B: q9 E8 g - ESP.restart();
0 ]" u- N$ U2 W - },[](){
3 S9 g" S- _4 g - HTTPUpload& upload = server.upload();
* A( Z) j! Z5 X' X O! a: | - if(upload.status == UPLOAD_FILE_START){% ?" B) n4 }2 b9 W+ I, [
- Serial.setDebugOutput(true);( w0 H2 S( @0 b, g
- Serial.printf("Update: %s\n", upload.filename.c_str());
' b. Q' n' y; {: j- s - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;4 l/ j( q @( h. r/ D# ?7 Q* `- Q
- if(!Update.begin(maxSketchSpace)){
. D4 r7 C# {5 h2 u$ x/ I - Update.printError(Serial);
9 O2 q( K& ~& P3 V/ m( V8 |" `+ q - }# r! n5 K7 k) W( J) l3 T6 S0 k- X
- } else if(upload.status == UPLOAD_FILE_WRITE){
: r4 l1 T' F0 x" R - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){# D8 M* D, c/ L
- Update.printError(Serial);
0 f' M. m- i- N' s - }% d* R$ \3 [* W: X2 u, `% l- @
- } else if(upload.status == UPLOAD_FILE_END){
, M0 c- l) ~* [& H& T# Y6 D - if(Update.end(true)){1 |; Y( Z7 ^ \. \) s: Q
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);/ u h) s% N8 k- p7 U L4 c
- } else {) T: x/ l% S/ V! Y S
- Update.printError(Serial);
4 l# B7 Y! o: U - }, P- P" a4 k$ Q# z& P Q& ?1 s
- Serial.setDebugOutput(false);
! H# [3 S; I9 c) I( `5 A' N - }
- A8 L) c0 c) V% Q/ H - yield();
" L3 g4 I- ^* B. I/ Q - });) \7 N/ ]3 N9 q2 e/ [# K) X' g
- 0 h! l! C( e9 r4 l1 H% N
- digitalWrite(2,0);
+ ]3 ]6 f) D7 x - mainAction();6 F) }4 F/ G2 n( O0 F( Q# r7 q& j
- if (digitalRead(0)){/ I6 M) _$ v9 t2 Z
- ESP.deepSleep(0);
+ p1 m+ ^) J% ]) V" N - } else {4 y2 I% k9 q; L$ e+ }9 S# P1 U
- server.begin();
/ H& ?8 f/ U6 ^5 C$ u - }
7 m/ x% e1 Z; C' d6 c5 J - }
! U) a9 E5 L& ^; {- v) a. O+ v - void loop() {) y- _2 |6 u9 u" F! {+ h) `
- server.handleClient();7 R( L; [% P' Z2 ], h T) G
- delay(1);
9 R. ]% k3 z ?2 o8 l1 t - }9 J$ ?$ P$ q A3 n6 q4 U% t9 b; S
- String doGet(String url){
) g9 f1 Q9 ]! _& A - if ((WiFiMulti.run() == WL_CONNECTED)) {9 U% l. A" m! R! X( N! q/ d0 |* c+ D. B
- HTTPClient http;- J7 |6 G6 o% A$ g- d! H/ \
- Serial.println("[HTTP] begin...");
" }: R. |9 s- S1 L; |+ ~7 b - if (url.startsWith("https")) {5 ]- J* @ g! ?7 K) S, s
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");- _' P) u# q; e% D
- } else {' y7 K& u& X/ u% a. E
- http.begin(url);8 H E7 n9 j3 [" ], N
- }$ c j. i5 d( J5 z/ M
- Serial.println("[HTTP] GET...");
! t v7 G4 ^( @! c* W, W - int httpCode = http.GET();
% r1 U# y7 N7 R1 ?: f' J, ]7 p& r - if (httpCode > 0) {: |# H# o$ i" f
- Serial.printf("[HTTP] code: %d\n", httpCode);
$ [# _6 s* D$ p, d( R. t$ q7 | - if (httpCode == HTTP_CODE_OK) {
; m5 ]5 u6 N: j7 t& C6 n5 v - String payload = http.getString();$ v1 D7 E/ R- z8 Z8 r. q
- Serial.println(payload);! a8 Q8 q) e/ y% I% u; C3 K1 q2 S
- Serial.print("\r\n");3 Q4 N0 Z o$ u6 N! v
- return payload;# b* m$ W) n! l; o5 b
- }5 E2 D% L- \' [
- } else {. t7 m2 B/ t6 m9 R5 G7 [7 h
- Serial.printf("[HTTP] GET... failed, error: %s\n",* @2 P+ j1 ], l( I
- http.errorToString(httpCode).c_str());
6 p3 G- v! w& g0 i, I - }; d/ Q( c% d$ j6 Z0 t2 h. Z* t6 ~. t
- http.end();8 ?4 @7 L& V- A6 f
- return "";, h. R+ e8 X& c
- } p6 _" `; F, n; Z# e+ j) d2 _; @$ @
- }
- M6 ]( B, g" { T - void mainAction() {9 V+ d: m; b5 @
- // 发送请求2 P2 v" A0 a. L8 S1 a
- doGet("http://google.cn");
$ z0 O" l6 b, e8 U r+ y - }
7 b: @. M: E: K% Y
复制代码 |
评分
-
查看全部评分
|