|
|
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), a5 v' Z0 w1 q% I5 r4 `: f
- #include <ESP8266HTTPClient.h>
1 b- {4 n4 V4 Y3 N, X5 e, ?7 N - #include <ESP8266WiFi.h>
$ m) w3 `* K9 p1 ^ - #include <ESP8266WiFiMulti.h>
. b7 T7 s" }& k$ B - #include <ESP8266WebServer.h>) c4 h. {& q- H- _0 e2 O
- #include <arduino.h>
8 s( f, r$ B6 Y: {5 s: x - ESP8266WiFiMulti WiFiMulti;3 C7 y/ o$ O8 b- ?6 C) ^
- ESP8266WebServer server(80);
8 N* o- ~8 `$ a$ ]6 C" u - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";% D! y# T% q- F- h1 p6 h
- ADC_MODE(ADC_VCC);/ t: B2 Q2 T4 o+ n' B# {9 l) n. f
- void setup() {
8 F. a2 ~; r, Y! @ - Serial.begin(115200);
) b. M% x3 ^2 e, i1 W: p - Serial.print("\r\n\n");6 E' R/ d9 n( d2 O! @& b7 T9 v
- pinMode(2,OUTPUT);5 {2 x$ D) u+ O7 f
- // WIFI! \" p& J2 c3 H: g$ }- j. \
- WiFi.mode(WIFI_STA);& r* q6 D- t3 l
- WiFi.hostname("Sparkle");9 ?: L7 {" l& w( w) |
- WiFiMulti.addAP("wifi ssid", "wifi password");
4 \8 F' r. i5 |' c5 g9 N f - int tryNum = 15;2 Q- e) r2 O. M( @+ j
- Serial.print("Connect WiFi");+ W! U$ o5 p6 k, e* Q% e8 E4 |
- while (WiFiMulti.run() != WL_CONNECTED) {
9 O( e3 ^0 `; t. v$ W+ U - digitalWrite(2,0);$ Y, p& J# M, P) C* N2 x4 s+ @
- delay(200);
" F: ?0 Q) |% t Z - digitalWrite(2,1);
/ `6 d2 Z$ M% N - delay(300);
) I2 r$ Z n7 d( A# X - Serial.print(".");
; o* o% ^" C u: p7 ] - tryNum--;
6 A5 T' O) _+ v$ S# H6 J7 n - if (tryNum == 0) {
/ l$ J9 p7 z$ F/ ]! h( V { - // 1min- J+ v) ?& {0 `
- // ESP.deepSleep(60e6);4 ^6 g D! j) Q9 a& g. u1 @% ]* I
- ESP.deepSleep(0);2 b" x) z' f9 y
- }
7 G! W, N3 a1 T7 X - }, _( W A* c" x4 C2 M; g6 N, I
- Serial.print("\r\n");2 D/ C- g1 n; W1 }+ J4 v) e
- digitalWrite(2,1);
4 I$ q* f6 r% Y - Serial.print("IP address : ");9 e, r, [0 l6 B7 q& }2 x
- Serial.println(WiFi.localIP());
* i5 k3 `2 d" J3 E) \% \ - server.on("/", HTTP_GET, [](){
0 e, ?' V+ ~, m' r) ?5 ]# D1 r - server.sendHeader("Connection", "close");
* M5 O9 @3 t9 E* V" _ - server.send(200, "text/html", serverIndex);* P: q0 v) M4 l# o) M0 F
- });3 S! V6 ?' v* r& o2 y- H! w2 b4 K. P: Q+ |
- server.on("/update", HTTP_POST, [](){, b/ w$ F# | U0 x$ _5 l
- server.sendHeader("Connection", "close");
4 O) N7 ]- |, U! D3 N - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");, }( q5 Z, i2 K0 m
- ESP.restart();: G) M, D" O* S2 w7 s, D* b% L
- },[](){
4 K0 [9 W& E! Y0 y7 }% h - HTTPUpload& upload = server.upload();
; V1 ?1 d* P9 @4 ?9 L( v2 V - if(upload.status == UPLOAD_FILE_START){0 {- Y! H9 b/ S6 B' o
- Serial.setDebugOutput(true);! F% P. x" [& Z: _" S
- Serial.printf("Update: %s\n", upload.filename.c_str());& N! j- C8 B9 c% n y. D
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;( e5 e" v* A+ I6 l' q
- if(!Update.begin(maxSketchSpace)){7 U: \3 t5 x* G
- Update.printError(Serial);
4 X; r. t/ k, Z+ o0 p - }
1 i+ F( H- [% t - } else if(upload.status == UPLOAD_FILE_WRITE){
( S' J& b. j2 j6 i, }8 @/ N: I - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){+ y5 @! R0 v/ r; D4 x* \' m4 D, ?* m* p
- Update.printError(Serial);" J. L9 _0 w Z! g" |* B
- }
/ m% R+ B# V4 i. A - } else if(upload.status == UPLOAD_FILE_END){- Q' t; i; [" n5 H! P
- if(Update.end(true)){& U _! T: |$ M, o0 @- z
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
$ f5 l- V! d7 n; J - } else {. B% ?& A% y# m/ `9 p0 P4 r) ^
- Update.printError(Serial);$ b* k; {/ H& U# y3 d F
- }
$ K9 h9 R9 E# j - Serial.setDebugOutput(false);
) X. d9 }/ E9 v! ]- v3 I8 [; a: o - }
. k* A6 W1 F# O. Z- |4 [, A' S3 h - yield();
/ E4 u4 }* T9 b7 S: g' ?, h- }, x8 i - });
/ a& Z- a y7 c# w" d3 a4 q4 ^ -
8 K k% c5 y+ U) I( d' s0 r - digitalWrite(2,0);1 P" G4 q$ F7 [& F
- mainAction();
7 ^3 P6 a3 F3 t: n% ?5 x - if (digitalRead(0)){1 d2 y2 }7 N8 [. w% w
- ESP.deepSleep(0);
( q' S b, r4 r9 V' y+ H) ^1 x - } else {2 Y+ Y* v. \0 R3 G# {" l6 g% C$ d
- server.begin();' |, V; j4 q2 {% Z: }
- }+ }) _7 c# T: l$ x5 g) a/ w
- }
1 ~2 C( b" D' m* i - void loop() {; w$ G" \) \6 O/ |. d1 G B5 @+ x
- server.handleClient();
f- L# O% v3 t/ D - delay(1);. ^' [9 D1 T7 ~4 {' V
- }9 j6 ~( S) X4 A, A) E$ k4 ?
- String doGet(String url){1 _+ w) i1 X3 m" m% B( q
- if ((WiFiMulti.run() == WL_CONNECTED)) {
3 n9 D6 o( h. \3 i' b - HTTPClient http;
6 A% ]' V: U/ W( G - Serial.println("[HTTP] begin...");( D8 P( y! b+ F4 Q8 Q
- if (url.startsWith("https")) {
3 A( Y5 \5 u9 I; p; X: W6 Q - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");" y; G1 U% I* f7 n2 p# P# B! Y
- } else {: a b3 F+ y# }# s* ^; c
- http.begin(url);; L! a( }+ ^8 g0 p4 u2 G/ U; j
- }
0 I E: U1 c( F% _7 R% ^ - Serial.println("[HTTP] GET..."); c) E f) r+ t/ A. y
- int httpCode = http.GET();4 G! Z$ ]) A# v; o9 f. H# `# O
- if (httpCode > 0) {# L' f# k }* c9 R4 I1 h5 W8 H; G
- Serial.printf("[HTTP] code: %d\n", httpCode);& L6 S. ?- ]6 ^4 T/ y5 q
- if (httpCode == HTTP_CODE_OK) {
5 f* O- @; x# X3 r( L: @4 X% j - String payload = http.getString();
) o* A) y3 u* m, P- s2 V/ } - Serial.println(payload);
' X& H7 A- ~- P - Serial.print("\r\n");
* f* r f: y) S) ^8 x+ @, g D; } - return payload;* E$ w, Y& t. H! z
- }
$ u% H) U' H) A( q _8 u# R! z4 l9 ~ - } else {
+ a0 ~# B! z! p$ {8 e, I% X - Serial.printf("[HTTP] GET... failed, error: %s\n",4 a' h( L3 _% X9 v! @
- http.errorToString(httpCode).c_str());8 Y1 ? j" h @( s9 [4 J: _9 B
- }1 K: i3 ~$ w' u+ B3 A5 ]
- http.end();' A ?5 ^9 @: i2 @1 U
- return "";
- |- b6 O7 z. n- L - }
# R4 U% [, R2 N9 \9 k$ Q2 ], _: A - }
" P8 p( [ x) o( z/ x& t2 J4 g7 G - void mainAction() {
4 S) T; C& e' ^6 n. A - // 发送请求 X+ C4 E' |& N# U
- doGet("http://google.cn");1 p# g% O2 o- w, H
- } m9 d1 G: n+ i. b" B" _6 l& D$ [3 n- Q
复制代码 |
评分
-
查看全部评分
|