|
|
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)# G. P! l. B' C- f# t2 _; |
- #include <ESP8266HTTPClient.h>
% m8 r- p% I* k, ` - #include <ESP8266WiFi.h>
4 D! ]( l' _' W0 u- q5 p( a - #include <ESP8266WiFiMulti.h>+ M ~1 e; U! p0 Y* ]4 y
- #include <ESP8266WebServer.h>
6 K l8 p/ W+ ~0 x4 l/ M9 ? - #include <arduino.h>. I- k& k6 F' f2 l- l
- ESP8266WiFiMulti WiFiMulti;( C* @# \9 w, [ ~: [/ @( H
- ESP8266WebServer server(80);
/ O" V. |- a$ J5 H - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
) |+ V, n2 [; O( D - ADC_MODE(ADC_VCC);
/ @- Z! W- Q: T- p - void setup() {
; z( V( {1 q. M6 d# W6 k; |( x' B - Serial.begin(115200);* N& q1 B# b \8 F% }; U, Z+ b
- Serial.print("\r\n\n");
/ V; ^3 {) `0 T+ B o - pinMode(2,OUTPUT);5 s4 e4 q$ v' @' d m$ {7 i$ j4 I
- // WIFI
9 |# L9 y: f) k4 W/ S, v - WiFi.mode(WIFI_STA);
) D& i4 Q! z( a4 O) Z* k# X( u - WiFi.hostname("Sparkle");/ h3 P/ p2 m4 H
- WiFiMulti.addAP("wifi ssid", "wifi password");
) s0 {& H# a9 [' L! k1 U# Q - int tryNum = 15;3 A W8 }% M, i# j! x/ i$ y
- Serial.print("Connect WiFi");
6 @/ K3 }) c6 g# ] - while (WiFiMulti.run() != WL_CONNECTED) {
6 [0 O/ F2 U+ {1 J) e - digitalWrite(2,0);4 q5 k' D9 F7 H: S' Z6 [% t7 D3 E, N
- delay(200);) H- p( S6 d1 n9 i
- digitalWrite(2,1);
; d* X, d. |" {3 U* M - delay(300);
. X" h# I4 D+ ?; X - Serial.print(".");
8 ~; G) T1 e! A" S" v' F$ a' x - tryNum--;
7 h( ~0 I% _ v - if (tryNum == 0) {8 _1 g( S* J7 ^" o* s3 M1 p
- // 1min
9 \9 O5 J1 R8 C+ D( Z, H. ?- Y4 C - // ESP.deepSleep(60e6);
4 _$ L* J% O5 b( J, g2 a - ESP.deepSleep(0);2 w4 ?2 o' W' S. j0 ]! a* Z _
- }2 x$ t w/ Q2 n# F" h
- }
* E. t/ b; H8 F4 N# p - Serial.print("\r\n");
$ J6 v6 J: C5 j* S+ q+ ~ - digitalWrite(2,1);$ l- A/ S! Y4 m# z7 i" ^6 p
- Serial.print("IP address : ");
1 g: H# a- H1 x4 t# j! o - Serial.println(WiFi.localIP());
# N, l2 B1 k' F3 f- n' a - server.on("/", HTTP_GET, [](){$ I, D0 ~/ O" g/ g0 S
- server.sendHeader("Connection", "close");8 K$ N1 H% T. L& p2 U" a5 l
- server.send(200, "text/html", serverIndex);3 x/ J1 w/ P5 d q
- });0 t+ V' j, p9 N& Z. R
- server.on("/update", HTTP_POST, [](){
1 e9 n& H6 h% ] - server.sendHeader("Connection", "close");; N+ ~9 C7 W# R8 R! F/ U' u, l
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 a" Y# v1 _/ f( {9 [' W x/ a; r; f9 e - ESP.restart();
1 P0 e: d+ x j1 b) }; s1 k$ h! X - },[](){
5 M' r, p" O; ]8 C$ n" v) {0 z - HTTPUpload& upload = server.upload();
7 f: S8 c8 m1 C7 z5 s2 ~ - if(upload.status == UPLOAD_FILE_START){5 h e- e( C2 j) }: ?
- Serial.setDebugOutput(true);
% p3 @8 I) _) @1 O" f - Serial.printf("Update: %s\n", upload.filename.c_str());
4 E+ {0 T) @4 r - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;. Z$ M) V0 s) r8 ~& g
- if(!Update.begin(maxSketchSpace)){
- l6 F- Z6 K+ f: f - Update.printError(Serial);
$ M, }8 Z# k9 t& @ - }
& _8 d0 P! g I* P7 D - } else if(upload.status == UPLOAD_FILE_WRITE){
6 S+ a& e. \% Z! e& v$ w; y - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){# }- f7 n N3 N7 b0 ^, c( `' Z5 V
- Update.printError(Serial);( W; F/ Z1 c; }/ w, S+ B0 T
- }5 p4 i7 s2 a- l7 [& u6 L" q" {+ \
- } else if(upload.status == UPLOAD_FILE_END){1 Z& H9 z2 z2 Y$ V/ ~7 a3 V
- if(Update.end(true)){
' A2 S% J( r; N) j+ M - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);& s# j! f1 l5 F5 J2 l7 X
- } else {! Y' m4 ?3 R. l/ }& e
- Update.printError(Serial);
/ \9 u7 G: h8 s) U6 I - }9 C% r: V+ [; E0 m" C& c
- Serial.setDebugOutput(false);9 }) M( f- }9 u
- }
0 P9 C( `9 ]7 p+ h: K+ O - yield();
4 u# }) ~3 K! Q/ r2 b! S7 [ - });) T3 R! i. R0 K0 z# V
- / o0 R* X- f3 c* P
- digitalWrite(2,0);& N& F# I! O" n
- mainAction();6 h1 [# B. Q4 W0 g" J w+ y& W, K
- if (digitalRead(0)){ m9 U3 k+ }, D6 A0 w& G. d9 Q
- ESP.deepSleep(0);3 A. h! Y# K( n' C
- } else {3 L/ H- T7 _/ h' W, n
- server.begin();
7 Z2 n6 j ~( Y$ l2 H - }
: M( @$ p8 m8 e" F2 n$ k6 M$ p9 N E C5 { - }5 h" k, U" L. |' K1 u, d
- void loop() {
( C! H6 S3 p; E! t/ U - server.handleClient();5 Z4 R( |- ], O# E# O( o
- delay(1);
5 q2 S9 g; h2 ?1 t - }9 H. |- K1 [6 i5 C) `/ n- _
- String doGet(String url){
& B0 N# |; v8 V: q' r o - if ((WiFiMulti.run() == WL_CONNECTED)) {
$ r6 Q' M/ n4 ]; a @& c% y - HTTPClient http;7 ?/ H7 u8 H( d
- Serial.println("[HTTP] begin...");$ {# x5 f0 }1 `4 e$ @
- if (url.startsWith("https")) {
8 c j; O2 d3 M - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
1 L4 G* t1 t5 N2 T, e! W - } else {5 \- G* Y4 C, O( Q# o
- http.begin(url);
+ g8 g6 C! m \4 ^1 T7 b5 o& t - }$ J1 L2 u" l$ u5 b" G5 q: H- U9 r& W
- Serial.println("[HTTP] GET...");
0 [" [% E# P, W+ c9 V) t - int httpCode = http.GET();
! ^0 a2 b1 T, I0 e0 P6 F6 f6 ] - if (httpCode > 0) {
4 M5 h) u* D1 }7 s - Serial.printf("[HTTP] code: %d\n", httpCode);+ [6 W- _; Z( n# {' d2 r* ~4 z
- if (httpCode == HTTP_CODE_OK) {1 {2 G0 F1 m' w8 r
- String payload = http.getString();: K% }! B( c# X5 F7 O
- Serial.println(payload);
, x, L# C0 j f. I - Serial.print("\r\n");
* |) J, C/ i; T) a9 u- y1 \ - return payload;, Z8 u( @6 V2 f( o
- }
; P% @# M0 e3 U6 ]3 q- m" E - } else {/ l% D! H: U9 s+ ~" L
- Serial.printf("[HTTP] GET... failed, error: %s\n",
/ t: `& N" ?- K+ ]2 ~: c- f - http.errorToString(httpCode).c_str());+ U5 O, }9 f3 G- d$ m6 A: j6 b* s
- }' S) I/ p. s7 x
- http.end();; L$ u0 ^; f( ^/ D, V
- return "";
, C$ F3 t' J" } - }6 Z8 \7 q# h- O1 r
- }% j# k! Y! g: a1 U( e/ o0 G
- void mainAction() {
& w7 m7 _ i6 z0 M4 j - // 发送请求
6 n( r k- N8 v5 w6 O$ W7 } - doGet("http://google.cn");6 W3 r' f5 Z E! r& d7 W
- }
0 r) m4 d9 b6 L G' @
复制代码 |
评分
-
查看全部评分
|