|
|
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)
' ]7 [/ S& h# G3 A" _; ?! O- #include <ESP8266HTTPClient.h>
5 Q' w) k7 g; q! V) Q - #include <ESP8266WiFi.h>
' @9 K/ }( m" k; N" o, v - #include <ESP8266WiFiMulti.h>6 b1 }5 s3 \1 C( |1 r2 ]. e
- #include <ESP8266WebServer.h>% j2 n# P1 @' p
- #include <arduino.h>
, I, X+ C9 V3 e& L$ H1 ] - ESP8266WiFiMulti WiFiMulti;
# [- r6 {- s" x: q' i - ESP8266WebServer server(80);
6 y- e4 g8 h/ |: u4 Y! K& y - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
( u6 H; H# E" Z6 A$ X; B" ^ - ADC_MODE(ADC_VCC);- P+ C+ Z4 P; n/ C$ l: _
- void setup() {. g- H- o9 x5 m
- Serial.begin(115200);( l5 ~- `# G" C- l/ Z7 H- k
- Serial.print("\r\n\n");
) M8 v8 I9 s5 X* i% ~ - pinMode(2,OUTPUT);: k y. T. N5 g* U0 I3 V* x5 P
- // WIFI1 E$ M5 g8 a0 Y Z9 h, R
- WiFi.mode(WIFI_STA);6 \7 T- j- U5 e' b
- WiFi.hostname("Sparkle");
; o1 m7 b) f; z5 {! h - WiFiMulti.addAP("wifi ssid", "wifi password");
( Z$ Z# Z: t- S2 A0 e - int tryNum = 15;
3 V0 h9 T/ H! o8 m6 q5 v" ~3 K - Serial.print("Connect WiFi");
8 j4 \% w4 {! R - while (WiFiMulti.run() != WL_CONNECTED) {
- R7 T# o# Z0 M+ P' T( Y9 M - digitalWrite(2,0);
7 @) _* b% X6 p, K W; n' k - delay(200);
; z. _$ c4 d7 Q! o - digitalWrite(2,1);
! U; x% B% O: ~( f* {" D/ H - delay(300);
; C, v% y; ]1 W5 d/ b7 {. A - Serial.print(".");
! p. h5 l! D8 ], a - tryNum--;
! d7 k3 d' A' d6 s& D0 D; a7 l- E7 g - if (tryNum == 0) {5 m& \, y5 ]# v7 a8 v: {
- // 1min& j% p4 e7 ^, n0 Y, J: ?, E
- // ESP.deepSleep(60e6);
- s1 `8 F, t* J9 X& X - ESP.deepSleep(0);
6 s3 K2 U) J) u) [9 w6 ~% b7 n+ X - }4 f+ H2 Y% z! u: Y* h
- }% ^3 [1 |. [; R2 E. l
- Serial.print("\r\n");
) N5 T( ~9 C6 f. E- ^ - digitalWrite(2,1);3 L3 O8 i* I0 i N0 O) Z
- Serial.print("IP address : ");$ Y m* r# l' l0 W ?
- Serial.println(WiFi.localIP());. S/ l1 [; `8 e& i: y- E! D# P. G: e
- server.on("/", HTTP_GET, [](){( m5 j9 {$ L* W5 `8 ?. F
- server.sendHeader("Connection", "close");& w0 l4 S1 _7 b0 e
- server.send(200, "text/html", serverIndex);* N' q$ U6 x j- \4 H" z6 Z
- });1 q, `+ ^# C/ T9 e& x4 L) m
- server.on("/update", HTTP_POST, [](){* A- H( C: R0 _' }
- server.sendHeader("Connection", "close");
1 V( x0 y' y. B3 C+ Q: Q K2 T6 `# \ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
: v& k0 C4 e4 w$ J! V* h2 M; ^7 t6 ^ - ESP.restart();' X8 w8 X A a9 V
- },[](){
8 v( ] e8 X s - HTTPUpload& upload = server.upload();
+ ^9 H( N5 r, {# f1 u - if(upload.status == UPLOAD_FILE_START){
( O0 k% O% p7 A$ h - Serial.setDebugOutput(true);
; b1 x3 J4 N& |& y f3 w/ L3 i - Serial.printf("Update: %s\n", upload.filename.c_str());
2 X1 N/ P" n7 g* z$ M+ s' z - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
0 f+ u& X* _& G! G4 O - if(!Update.begin(maxSketchSpace)){
0 ?& w% b1 f: U6 j1 t) x8 B - Update.printError(Serial);
4 V( W, }" Y6 ~. A9 Q# x# b% ~% O! e - }
# v7 _# X4 k- l - } else if(upload.status == UPLOAD_FILE_WRITE){( Y0 Q9 N$ r5 N' S( U# U5 V
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' a5 v, v& i, L w' e9 }1 F - Update.printError(Serial);3 w/ T5 Z G+ @/ g# |; T
- }
* w7 N& v- E4 P/ i' Z - } else if(upload.status == UPLOAD_FILE_END){
" s# T& x" F+ S% r6 @- S - if(Update.end(true)){/ i2 [! R O2 ~1 s. H$ f. B( L* f& q; |
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 f; [! t7 b e# {3 c) @3 p
- } else {0 a" l' G$ B5 v2 T: z
- Update.printError(Serial);9 [. O1 h! L1 _6 ?+ I6 r
- }
* n5 J$ I2 m) ?2 X+ G - Serial.setDebugOutput(false);
2 o: M* j7 |4 G. q$ ` - }
/ {! K* E0 v. ~8 l7 O+ G$ Z - yield();
! L1 T7 ?( ~: l2 n, | - });
% V2 g( @ R3 |! T8 g -
; E4 I9 u2 d$ }) M+ u - digitalWrite(2,0);9 Q, s4 l2 F9 e7 C3 F
- mainAction();
" {# N- D5 o: a# V0 n) k - if (digitalRead(0)){8 o+ v& l5 v! {, Z
- ESP.deepSleep(0);2 L! s/ P2 V& |1 T0 b" m5 [
- } else {
" m: b3 e2 W ]. \ ] - server.begin();5 ~/ K p$ ?1 V
- }
% J# p K$ @* A9 H/ T3 X; F. X, F - } ~0 X8 {/ ~7 j: C' I
- void loop() {
& `( L! F2 D7 \ - server.handleClient();7 S, \+ a$ R! Q# Z
- delay(1);
" @5 s" b$ M5 B5 o - }
9 e! |% F a1 x& | - String doGet(String url){/ j; e/ ?9 m4 F! |% A0 z' A
- if ((WiFiMulti.run() == WL_CONNECTED)) {
{2 P5 G/ ^/ a0 [5 \+ s - HTTPClient http;
6 f5 H" \+ x4 d* [0 l7 \( w - Serial.println("[HTTP] begin...");
' N, l1 L0 A' G/ |9 A/ }/ n3 N - if (url.startsWith("https")) {5 P$ _3 v9 d3 H/ h1 P6 d |" I
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");2 p' w+ u2 I0 V
- } else {9 H s* p+ V, V8 J0 S
- http.begin(url);9 j: T J- _' f/ G, q; t# H+ R- I
- }! i' s5 @2 c' T
- Serial.println("[HTTP] GET...");5 W3 K+ q& L3 S7 |8 d" X
- int httpCode = http.GET();
& ]+ K3 w0 h6 E) d: s5 z: t - if (httpCode > 0) {
4 I' z* P4 j8 K! U - Serial.printf("[HTTP] code: %d\n", httpCode);
" \; X; O# {5 T B# Y7 F: s - if (httpCode == HTTP_CODE_OK) {
, }# N/ U* U6 k8 Z6 t - String payload = http.getString();
) V4 q. @. [: q% K - Serial.println(payload);8 n! C7 Y2 a! \* ^: m+ A; U V
- Serial.print("\r\n");
% ~4 J! B$ n, u6 S$ Z; r - return payload;
; s7 B2 z: o+ y8 _! l- _9 r - }* R- j# k" ]9 a8 M) T# g
- } else {
3 p- G# {& n: R3 _$ v - Serial.printf("[HTTP] GET... failed, error: %s\n",+ ?5 `* q7 o y, j- V4 D
- http.errorToString(httpCode).c_str());
, _! k1 P, ~' W% a" l+ [ - }6 _3 s/ G9 A a0 `0 ~; q
- http.end();
$ H0 H1 ?1 ]: L/ r; x6 t - return "";
6 k8 ^" c7 X, S( d9 p$ ?9 i - }& L$ }( X) ?- [$ k* p0 h* G
- }9 S, g% P9 X0 ?9 I% Z" L' S
- void mainAction() {: s# q" t& l4 x
- // 发送请求9 k/ a& d% b/ x6 t
- doGet("http://google.cn");
, m+ c8 g8 X, o' v& Y" | - }
9 e) q* w* w; Q" R
复制代码 |
评分
-
查看全部评分
|