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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 D( W! E( N, k
- #include <ESP8266HTTPClient.h>
! k( {7 {- z7 O. u0 Q9 J - #include <ESP8266WiFi.h># p: v E. @ _3 w* |
- #include <ESP8266WiFiMulti.h>
7 f" M% I7 G# ~4 n. o* \ - #include <ESP8266WebServer.h>
M- o- `# S X* F - #include <arduino.h>" z8 W: A' D5 F# p
- ESP8266WiFiMulti WiFiMulti;3 Y4 }' n- C$ h
- ESP8266WebServer server(80);
2 q X: {, _- r2 Q - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
/ U1 u$ z; F$ M& E+ T - ADC_MODE(ADC_VCC);$ H: G( g4 Y2 o% k' ^ J
- void setup() {9 W! B5 ^* F2 E: Q. B
- Serial.begin(115200);
' j$ d3 U* u: U/ ? - Serial.print("\r\n\n");. S) g2 `6 l. o: D% ~# S
- pinMode(2,OUTPUT);
1 a# i1 r; V% p' ] - // WIFI
- i- H4 n b r' ]2 f - WiFi.mode(WIFI_STA);
# X) J0 P# P y) D% A - WiFi.hostname("Sparkle");0 f, U% b2 P K) B4 |- R, {& p
- WiFiMulti.addAP("wifi ssid", "wifi password");
6 ^" G7 z! B- p) L0 a% \0 [2 { - int tryNum = 15;
; {! Y9 ]/ }1 ~ - Serial.print("Connect WiFi");( C& p, G5 C( _5 v" O, x
- while (WiFiMulti.run() != WL_CONNECTED) {- g- b! F+ c; Y6 j. J
- digitalWrite(2,0);" q: Q' `: S- A; q# ]8 i5 n
- delay(200);7 D6 g1 P5 v( }2 u# I( v
- digitalWrite(2,1);8 t( D8 z$ p* r* j
- delay(300);
6 f. @; Y$ X- ^. H - Serial.print(".");
7 }) V5 V4 i+ }6 L - tryNum--;
1 e( ]) o* V) t- y# N - if (tryNum == 0) {
. [) w/ T: ?' t* | P8 T% q - // 1min
& T, O. V+ |( s9 N - // ESP.deepSleep(60e6);, W6 O* y/ N g7 Y1 U
- ESP.deepSleep(0);
# E( _% h1 I c2 i8 _) F - }
2 k |8 D5 y% Z1 x4 v) W - }5 N, O* Z! o2 Z2 B% R
- Serial.print("\r\n");4 `& y6 F; E' z8 A) d
- digitalWrite(2,1);" F t) h- A* Z2 p1 C
- Serial.print("IP address : ");
3 J& }( m. ^& c0 U5 b1 ] - Serial.println(WiFi.localIP());
8 Q3 F6 H% |6 {8 i# X" Y - server.on("/", HTTP_GET, [](){
: T+ j5 x4 Y# E7 h! C - server.sendHeader("Connection", "close");
( k0 @* O* D# ]: m9 O. z2 ~# [0 y - server.send(200, "text/html", serverIndex);
& ?! V4 O0 W; u# G* ?8 I% e. E+ [& F - });
$ E: i0 {7 E' v/ [$ B; q/ K - server.on("/update", HTTP_POST, [](){
" I& ~! C2 ^( O& N - server.sendHeader("Connection", "close");
7 ?, b7 Q; F7 Y1 c& _- t - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
3 i2 _/ }' t/ L1 @3 Q O4 G - ESP.restart();
: v. U' T% B9 u- L8 @$ f - },[](){
" ]6 g0 m/ o9 W - HTTPUpload& upload = server.upload();
8 |9 J$ [( y, A; Y - if(upload.status == UPLOAD_FILE_START){5 z5 r* w. |! I
- Serial.setDebugOutput(true);
0 Q4 ~" B3 p% m& ]! v - Serial.printf("Update: %s\n", upload.filename.c_str());
0 _7 ?) i( I8 V7 u/ E - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
$ W" a X+ o7 l& ] - if(!Update.begin(maxSketchSpace)){
' o3 B Z5 f! q7 h8 f& T* ?& p5 K8 |% M - Update.printError(Serial);
1 [. q6 l' C3 \- K - }2 m3 I V* Y$ t, I3 ^
- } else if(upload.status == UPLOAD_FILE_WRITE){
F3 B& C: ? N' [- T - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){4 l# ]- [2 m9 y3 U5 P
- Update.printError(Serial);( E; G% L8 U( e! u2 E9 f0 f* y
- }2 a( u9 z* X h; a
- } else if(upload.status == UPLOAD_FILE_END){2 u! F5 p+ E1 i+ j. A1 ^
- if(Update.end(true)){
, K/ g& W* Q u( h' G4 j - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);, C5 ~; l0 a% x$ t
- } else {
+ G0 r m1 V F - Update.printError(Serial);
: d) D; p2 C D( Z - }3 A" V5 Q Q* A) {' {0 ?1 @
- Serial.setDebugOutput(false);
$ n; t) K( P; ?. T0 Y& O - }* M. r, f" Y" d* h8 g+ y! M
- yield();5 V7 e# L; j0 y8 U/ F
- });
4 C* h3 s1 O$ t - 0 S+ C! D1 `6 n/ m% p
- digitalWrite(2,0);
5 x. K/ J0 ^9 u. _ - mainAction();
7 ~2 s8 \! i5 q H - if (digitalRead(0)){
2 L3 a1 S4 C+ F/ N - ESP.deepSleep(0);- t) j8 h3 } Y9 i2 ]8 a
- } else {
. |8 t- O6 m w }/ P2 x9 b* J0 l - server.begin();
- |' E6 M1 F! { - }
2 g+ A( `( Z( [! x. D" d/ T7 ~ - }5 L$ u8 A3 Z, [# Z% M
- void loop() {" u! h: {9 B& ]
- server.handleClient();! y& n! L# H" g1 D% i& D) M$ U/ Z; o
- delay(1);
3 i9 k! U4 B" U. m: x( E2 e - }# n f0 P" g: K4 a, p$ ` ^
- String doGet(String url){5 g& {1 T$ f/ W' X& W8 w
- if ((WiFiMulti.run() == WL_CONNECTED)) {
' c' i# [$ M( V3 f! n/ S/ X - HTTPClient http;
, k! R& ]! L, H# M! b6 ^0 z - Serial.println("[HTTP] begin...");
. j* y' r2 Q ] - if (url.startsWith("https")) {# v9 A! S( {5 t8 m/ o
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
6 v" k0 T! C) Q/ Z. M' ~6 _2 w - } else {
+ J! m1 x6 g* W% O8 _ - http.begin(url);$ p. n* Y6 G: \7 f
- }
1 P- G1 G! _, [ {# o. t5 N: m9 [ - Serial.println("[HTTP] GET...");9 h) K z O7 e
- int httpCode = http.GET();6 r$ g9 y9 t& ?
- if (httpCode > 0) {0 z- h" V a8 p( H/ E
- Serial.printf("[HTTP] code: %d\n", httpCode);
- r' H+ g1 F$ m7 O - if (httpCode == HTTP_CODE_OK) {6 w6 t+ j" y0 O; l5 s
- String payload = http.getString();( a. G3 Q g% s/ H
- Serial.println(payload);
0 e% T* V, z2 z/ w- d - Serial.print("\r\n");" C d% f' h& f; L0 F4 c" ?* Z
- return payload;
7 J! N* R4 U3 ~- h1 s; G% a5 ?6 R - }
6 c6 D2 w( ^9 u/ d5 v1 A - } else {
' F7 |- y; `1 F: X& c1 {& y6 ^4 v - Serial.printf("[HTTP] GET... failed, error: %s\n",7 e# F/ k! w" s j& a8 j( T
- http.errorToString(httpCode).c_str());2 r0 b' q+ ]5 h' m' S) Y/ O$ S5 f
- }- w& y5 D* Y6 n x3 B$ Z
- http.end();4 }- W( |5 i5 a; {7 r9 U. P3 U
- return "";
; m& D& {4 L% `: U$ w K1 ` - }
$ s4 N V1 ?9 A; \$ f - }
+ n; P; H5 |- N$ b' P - void mainAction() {
: ~" x: d% K% Y$ d, j8 R - // 发送请求
' K, D. T9 _" s' M6 I - doGet("http://google.cn");
; S7 I5 b- p7 F# P2 U& b- X - }
. F& y6 F ^& y+ U/ X
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