|
|
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)" m# G& b( ]# g/ Y# b% b
- #include <ESP8266HTTPClient.h>
z( d- m. i! ]9 V, b. e+ T - #include <ESP8266WiFi.h>
3 @8 \5 r' j0 S" ~) |( t4 w- G - #include <ESP8266WiFiMulti.h>
# z7 n( {2 s) u, ^- c8 o Q) D& q - #include <ESP8266WebServer.h>5 _1 [1 j( T8 D7 I: i8 g( Z
- #include <arduino.h>8 @! i( D5 \, M% n0 j) b
- ESP8266WiFiMulti WiFiMulti;0 x0 [- n5 }1 h3 R7 p' Q; g
- ESP8266WebServer server(80);$ G* m' J! C( D" g
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";6 D4 c" i8 [8 j3 S8 z: r0 x
- ADC_MODE(ADC_VCC);
7 q! ~! P x+ I - void setup() {
- I! f8 [4 i! c% O( }) W m0 a9 r - Serial.begin(115200);
$ Y: ~5 W" K. T& x, u - Serial.print("\r\n\n");* k2 U+ ]; e1 K/ r$ A# L% l% K; T' N+ u
- pinMode(2,OUTPUT);
' T6 h% B! E: f, C, n2 }* ], B6 v1 F - // WIFI
( d" P7 J; R- @+ r. R3 W - WiFi.mode(WIFI_STA);
$ t: g. s/ m/ ~ I% C - WiFi.hostname("Sparkle");
! I# K/ r" @2 V9 _ - WiFiMulti.addAP("wifi ssid", "wifi password");* ^% ~* q/ o2 o
- int tryNum = 15;
2 y F$ I; n/ r - Serial.print("Connect WiFi");) P5 E; X9 c6 L. ^: G" P R9 Q( u! {
- while (WiFiMulti.run() != WL_CONNECTED) {) S$ J! c3 k, q. F p
- digitalWrite(2,0);
5 F. K$ K X/ R1 B& c1 d/ _1 J4 _5 u - delay(200);3 u: Z0 j: s8 ?
- digitalWrite(2,1);/ q1 {. p- K, X" F5 F9 ^: \1 s
- delay(300);. _/ ^. I. s4 O
- Serial.print(".");5 P/ _1 v/ v5 X/ `( M& C1 j) S
- tryNum--;
: y1 g& l" n$ h! _0 o7 Y - if (tryNum == 0) {+ r5 t! g* w6 n+ m5 p; D4 b
- // 1min
5 U# R' x& f+ C4 O; g6 N/ \ - // ESP.deepSleep(60e6);( x( @% t0 Q5 {5 q4 C- r2 ^2 `$ h$ S* l1 T
- ESP.deepSleep(0);! M8 u& A& v0 y' b: v5 g
- }
* ?+ S1 D9 K) y2 L9 ]/ \1 B - }
& X1 k; o/ T6 A4 P( p! } - Serial.print("\r\n");8 T! @: T0 s7 e+ J' F, L9 M+ Y# z
- digitalWrite(2,1);6 `' l4 _" [8 |/ E( F' F
- Serial.print("IP address : ");4 D9 X, g$ A2 T5 G7 B
- Serial.println(WiFi.localIP());5 n; o" \3 g, F! n
- server.on("/", HTTP_GET, [](){
7 X( z" j1 q7 O# e; e& @7 F - server.sendHeader("Connection", "close");
. W( e+ | }; T. T - server.send(200, "text/html", serverIndex);
) a8 Q& j, R5 e# _ - });
7 y3 W# A1 c; J# u0 o; @ - server.on("/update", HTTP_POST, [](){
, S7 A/ P: E: Z& o& t D% d - server.sendHeader("Connection", "close");
9 ]/ B/ ?, h$ h {" A) x - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
- m. u u1 r/ o" P - ESP.restart();. G9 b4 ~1 Y% p- D c
- },[](){/ _. e; T$ ` \ D3 {- z
- HTTPUpload& upload = server.upload();
Q8 e. f" c$ u' R u5 q' C - if(upload.status == UPLOAD_FILE_START){3 i0 Q: i/ |6 h# d& }
- Serial.setDebugOutput(true);0 ?2 W7 J1 x) j# N$ T% ?
- Serial.printf("Update: %s\n", upload.filename.c_str());
$ I+ P$ s7 l, R! Z$ F - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 d1 r x0 l# a0 q$ ]7 F - if(!Update.begin(maxSketchSpace)){- W$ {! @, P' o- r1 h: }0 `
- Update.printError(Serial);1 b+ Q8 K' H. ]; e
- } `7 ^! P+ a2 L4 [( y2 T
- } else if(upload.status == UPLOAD_FILE_WRITE){
1 k( k& r: \1 _ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
$ Q& ?/ m) a$ U4 K - Update.printError(Serial);# @+ P* I8 N8 M, @+ n; H3 H- S
- }
( K7 U: D# `% O& V9 U b - } else if(upload.status == UPLOAD_FILE_END){
% S- X$ }+ L6 b0 q" o* x& Y; a, y - if(Update.end(true)){5 q: b. L5 m4 a" \
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);6 G* w5 I, O& T: r6 c B# u- V7 T0 A2 {
- } else {. ?9 W6 I7 \# |/ ^/ `8 t2 ^
- Update.printError(Serial);
4 A. G7 ]; j1 b, c5 U; L; A - }
8 L6 Z' W/ Q5 j: w0 r - Serial.setDebugOutput(false);
8 s: p8 r/ r, y. Q - }6 c9 J8 ^( E! O1 {* z& X9 o j
- yield();) j8 [( r+ D% ^( _# m! C
- });" _2 C. @8 r( a! g" A! {1 E0 n; c' M
-
) |# ^( V8 T% S2 k6 Y! b! B6 z - digitalWrite(2,0);
! b- v$ X" b' _6 [" S - mainAction();" f& y# {& q- r0 F8 L3 O) l
- if (digitalRead(0)){
: c u& m& a! V2 ~) f; D) `2 S K - ESP.deepSleep(0);6 \$ A( A$ _4 M( I/ X% l7 W
- } else {4 n6 ~) a- g6 [7 c0 L
- server.begin();
' D( j8 z3 P" O" M) V+ y - }
2 o3 |/ z" Q P - }# _, p3 G; o4 _" g
- void loop() {
" s/ W5 u4 V4 x - server.handleClient();/ N% W$ q7 X" p) b/ u
- delay(1);
# P: [0 }* u* G8 ^ - } n8 I. t8 Z, ?3 _$ [& n7 [5 Y
- String doGet(String url){
c" V5 X3 v5 |. V" k/ H) i - if ((WiFiMulti.run() == WL_CONNECTED)) {
1 o9 F V4 w1 E+ c - HTTPClient http;6 T5 F; q' i) d
- Serial.println("[HTTP] begin...");
. I7 i) F6 @5 z! j0 y - if (url.startsWith("https")) {9 D( B4 g& u: ?' G
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");0 W. w f+ C( Z% r, D
- } else {! d$ I7 c. k: n. o' n
- http.begin(url);
8 O3 f, @9 c9 A) v" ? - }) b0 m- s% {, O
- Serial.println("[HTTP] GET...");( ?; T- \- q5 g
- int httpCode = http.GET();
- `9 d8 ?2 X4 t. G - if (httpCode > 0) {
- Q* O j! ^2 q. j - Serial.printf("[HTTP] code: %d\n", httpCode);& P7 |3 M5 }% _6 T% q4 Q& _& Y6 V8 ?
- if (httpCode == HTTP_CODE_OK) {
! A+ n( Z" t( W - String payload = http.getString();
/ r* C( R8 w) Q - Serial.println(payload);
0 s5 S" _) E/ N& U - Serial.print("\r\n");8 B' l( D4 K* h$ O
- return payload;$ R* r* h, G+ d- J, s. p
- }5 ]$ h2 o7 X: W) J8 l5 L
- } else {
* P" p: p0 @/ k W) K* C4 ^ - Serial.printf("[HTTP] GET... failed, error: %s\n",
( K9 x1 G/ S" S9 P, w% V Z7 m# f - http.errorToString(httpCode).c_str());0 ~, p9 E+ B: v! Y/ _! b2 F
- }& R3 o5 F. m2 M. L
- http.end();
8 V& ]: C" M( N8 f. a/ I2 l - return "";, @9 D m3 u3 ], G/ B& r: s p
- }8 h/ j4 {$ B% O9 e1 ]% v; L+ r
- }/ o2 E$ g7 I/ ], i- h$ [8 O* ?
- void mainAction() {
0 H$ v$ E" k$ b; K - // 发送请求/ O0 d5 P" s& z4 o% K; _2 `9 r* O2 \7 a
- doGet("http://google.cn");
Z+ D( V( J, k6 }5 M% O# C; W! q - }4 }9 [ }% U) h. m2 V) z
复制代码 |
评分
-
查看全部评分
|