|
|
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) x# O7 E2 l/ P# _
- #include <ESP8266HTTPClient.h>- U: g( D6 N2 p
- #include <ESP8266WiFi.h>% O/ R: X7 O4 w- Y" K
- #include <ESP8266WiFiMulti.h>/ t" `) Z5 Y( T3 P
- #include <ESP8266WebServer.h>5 |& X1 c* }& @% ?
- #include <arduino.h>0 K0 O- F6 h% H7 s) A6 W8 J
- ESP8266WiFiMulti WiFiMulti;
6 \$ l3 j. D7 z+ z; h6 _5 ] - ESP8266WebServer server(80);
* d* O( g9 n2 E4 ]" z' S4 ?$ v9 e8 ^ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";0 o/ q( @ Q0 Z* U" x% p* z1 D
- ADC_MODE(ADC_VCC);; I: L" {7 n3 H) Z( T3 H$ R9 }* g
- void setup() {
% Q/ z+ ]' o1 ^+ N$ g, c: K3 t - Serial.begin(115200);
7 i4 P$ D' N3 H/ B" n' G {" A - Serial.print("\r\n\n");
4 s- d( c0 y+ |/ ]9 O/ q. j - pinMode(2,OUTPUT);
, v0 m* v) j" s& H2 v* K9 j - // WIFI
. q$ w9 {4 S, I" h# V2 \ - WiFi.mode(WIFI_STA);8 Q) z0 i' @4 k# h$ N; i
- WiFi.hostname("Sparkle");7 D, J! @% M6 \+ t
- WiFiMulti.addAP("wifi ssid", "wifi password");' K3 R. }7 Q( d2 ^1 g3 e: L
- int tryNum = 15;
% J3 u2 D$ W. ~/ `3 E/ x - Serial.print("Connect WiFi");
% m- \0 w$ N, w8 | - while (WiFiMulti.run() != WL_CONNECTED) {! e' G( ]9 o; p j5 ~% g
- digitalWrite(2,0);) A9 D2 C- {( y8 J* D2 m
- delay(200);# S2 V: v4 C* G/ W
- digitalWrite(2,1);( u1 A$ T/ p+ t! r/ |# e
- delay(300);
0 O5 [: a$ K& J5 D O; b2 A - Serial.print(".");
0 i) f& B/ H6 u - tryNum--;
2 R9 i' p7 V; |: {: k - if (tryNum == 0) {7 N8 Q2 F0 A7 g! B/ U
- // 1min: k7 s6 T2 s) `/ s% C, L
- // ESP.deepSleep(60e6);
' ]$ T- ~0 \( R - ESP.deepSleep(0);. R/ _; W9 w* w1 _! M
- }, u( S$ m" D$ a, u1 R: I
- }
4 z' J% ^; l3 H - Serial.print("\r\n");
+ ~; u" D0 i8 s2 b8 E1 P - digitalWrite(2,1);7 y" L, t3 _ v. z. w
- Serial.print("IP address : ");
: v C7 g" T- V U - Serial.println(WiFi.localIP());/ o% {( E. ]! P! a' N) M
- server.on("/", HTTP_GET, [](){; W/ U5 F3 T& m( Y: T% R3 t
- server.sendHeader("Connection", "close");& Y+ {: V b& Z
- server.send(200, "text/html", serverIndex);
' |# S/ r( W* M& w6 D) v; v! @ - });
- b! N2 ~) A8 o) Z+ g0 v3 g - server.on("/update", HTTP_POST, [](){
" Y3 [3 B+ [# V" ~+ r) D - server.sendHeader("Connection", "close");
; q& r2 L( B. y" y - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");# R0 K* @, z8 t% V1 i
- ESP.restart();4 s$ U; v+ Z! P0 v: D
- },[](){
, G$ z9 z/ x8 n/ D - HTTPUpload& upload = server.upload();' q2 i9 `! U( p1 g8 i6 C3 y7 @2 r
- if(upload.status == UPLOAD_FILE_START){& h; h% _7 G5 u% x2 ^! ^
- Serial.setDebugOutput(true);+ g; c5 y6 u9 d7 D
- Serial.printf("Update: %s\n", upload.filename.c_str());+ f/ ^# Q2 J5 J) t' C& n a
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;+ R2 k! w& |: r+ t; X2 d2 S
- if(!Update.begin(maxSketchSpace)){' f! v) o1 d& r6 x
- Update.printError(Serial); _/ O8 d. O0 I8 q
- }7 P+ I3 ^! W! S
- } else if(upload.status == UPLOAD_FILE_WRITE){
, y. J1 T6 C Z$ v8 {( S - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){, Z- Q! h( U3 p, N+ P
- Update.printError(Serial);
0 Q7 f* `3 L7 f% T0 [8 K3 q# L' v - }- ]1 Y/ _$ D$ _" w7 f# a
- } else if(upload.status == UPLOAD_FILE_END){
T3 R3 Q1 ^- {: [ - if(Update.end(true)){- L5 s6 k8 Z$ d8 i
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
1 n3 H- z8 y+ S# n - } else {
/ q1 W. H3 Z, X- \9 p - Update.printError(Serial);
' D0 i, u: c# o/ ?. j6 E - }6 L, {/ i$ Y% t' |
- Serial.setDebugOutput(false);
8 ]" Q( t* p" [4 L! u - }
' y% Z7 i7 n7 y0 i3 r - yield();
' w* ^3 T: \) ?' u4 ~ - });$ k4 p7 b" H$ I$ o7 Z- G
-
# n. q9 V& o" T9 d - digitalWrite(2,0);' W( m m$ x; v# W+ V' P" {
- mainAction();9 f$ F1 x$ Y' D6 ]! c
- if (digitalRead(0)){
! x% e, d) C8 X. y/ b3 X - ESP.deepSleep(0);
0 Z- `/ R7 z# K- v9 o4 M - } else {
5 U k6 M2 |8 T3 G. a - server.begin();" m! _, {' z8 w
- }
$ C+ T) ` C2 t1 z; N% h - }
6 r' ]! M7 p z% J - void loop() {
8 e% k% m# \# G0 B! a# K - server.handleClient();
# Q6 P% z$ ?4 q: y! G: d - delay(1);
& G- v, @' }6 s1 K0 \( c3 A - }
+ J- H# t6 F" _ - String doGet(String url){
) L1 L" E& O3 t2 l* C - if ((WiFiMulti.run() == WL_CONNECTED)) {
! E5 l* [" {4 s7 ^" E - HTTPClient http;
% @! |1 X2 D! G; m. A* B, G' a - Serial.println("[HTTP] begin...");& d# C I: K+ D* y4 i4 p
- if (url.startsWith("https")) {) U/ l: k0 d3 J' l) e
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
4 k3 @! [' R# B3 B1 q3 U+ T - } else {
+ ~7 Z+ H, V) ?; |7 b/ ~# [ - http.begin(url);
: K% C7 N0 w3 K% D4 Z# Q - }1 `, Q; [8 o* d) I3 {
- Serial.println("[HTTP] GET...");- q' o/ }. ~. u' `; y+ j' o
- int httpCode = http.GET();
8 K# K5 R4 C7 w- v* `% G% u5 \3 B - if (httpCode > 0) {6 X5 ^7 l* P* n5 s
- Serial.printf("[HTTP] code: %d\n", httpCode);
! L) r; C+ f2 O - if (httpCode == HTTP_CODE_OK) {, k$ }9 W$ @) e" y
- String payload = http.getString();8 G7 o3 T& J/ C2 s/ k
- Serial.println(payload);* y/ a5 Q1 e0 M( v/ ~5 ^- K
- Serial.print("\r\n");
2 z7 r; X+ Y8 ~: f2 h! K - return payload;9 k+ U! s! k% ~7 l$ L5 x$ u. g
- }
8 V5 {: o) }" P3 n - } else {
* ~: k! K; H! h, D, x - Serial.printf("[HTTP] GET... failed, error: %s\n",* h5 y& o( A$ \& x4 b
- http.errorToString(httpCode).c_str());% E# y$ n! T: g+ |' n
- }
3 E3 B) z% C) |4 ?* z8 U+ m0 G - http.end();. X \( U' w" K4 H8 [* }; Z/ \
- return "";' L" }; F# U( g# A6 t! m
- }
8 i n7 a; |' J7 H$ y# _ - }& G7 U- h9 ]* P' k
- void mainAction() {& n5 ?7 c9 w( R6 e: ], ]
- // 发送请求- h0 v8 H1 [0 Z* S( z& |" U/ S* H3 W
- doGet("http://google.cn");" |3 H1 k5 o9 Y# } k
- }0 {" j% i2 ^5 G# U- p: O9 r, T
复制代码 |
评分
-
查看全部评分
|