|
|
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)
9 t* D o( z3 ^9 e% l2 {5 G: N' {& X- #include <ESP8266HTTPClient.h>
( ~: J- H( g# P! r5 w/ c# {. c& u - #include <ESP8266WiFi.h>
' c2 x1 d; F1 Z* I! V - #include <ESP8266WiFiMulti.h>
{) p: m$ }/ d+ _# c - #include <ESP8266WebServer.h>+ }! k2 H- e& i' Y3 Y5 e e
- #include <arduino.h>
& U- d7 z. A/ M, l: x7 p( C - ESP8266WiFiMulti WiFiMulti;! g5 h4 R9 [9 w0 x( E
- ESP8266WebServer server(80);' u; `' ?2 x+ I& f4 M
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
( F' H3 W+ i p/ E, } - ADC_MODE(ADC_VCC);
; l1 L; l) u+ R/ n - void setup() {# n8 D2 b) ~) `, ?" v. Z
- Serial.begin(115200);
1 N/ E' H9 O2 ]8 ]' `6 Z6 g - Serial.print("\r\n\n");& F/ J. P2 n" t" n4 T5 x' I
- pinMode(2,OUTPUT);* m& s J1 U0 R. J R# C
- // WIFI
3 d+ G8 G; b$ z. z8 c" M5 w - WiFi.mode(WIFI_STA);, O" l" p( ~' c
- WiFi.hostname("Sparkle");2 ^ p$ J/ p, @
- WiFiMulti.addAP("wifi ssid", "wifi password");& @, u% E" {" @. m+ t; G g' f
- int tryNum = 15;
g4 J+ }; d, e - Serial.print("Connect WiFi");) O) p9 S/ r" C, R" T# k- m# x
- while (WiFiMulti.run() != WL_CONNECTED) {
( u4 H. L' I9 v5 n - digitalWrite(2,0);
/ ?3 T2 g/ ~0 `, d) {9 G - delay(200);
+ p) F2 B: @8 {0 Y9 P# N - digitalWrite(2,1);
$ i. f# ?$ i# K7 W7 l7 C2 a7 a - delay(300);) ?& x w+ J- ?+ t
- Serial.print(".");. r& g, v: Y7 j( v u' V# |+ N3 X6 ]
- tryNum--;: U1 P# b _+ z4 ~
- if (tryNum == 0) {$ j& j: I9 v1 H2 n
- // 1min5 }) {; s/ V/ }! N
- // ESP.deepSleep(60e6);$ }% ]; q5 B+ f7 {. U
- ESP.deepSleep(0);) p5 O, T0 s+ l$ A5 q; f1 {( e
- }( w) L- q8 S( S% l2 n
- }
$ |6 g4 X" h2 H% Q* m - Serial.print("\r\n");
& u8 u! Y- R4 j! h - digitalWrite(2,1);
: x, F- }/ Y3 `% d - Serial.print("IP address : ");
7 U' f( W0 N: _/ g0 v! h6 u - Serial.println(WiFi.localIP());3 I% i4 H0 v ]7 x) @2 }1 L9 Q
- server.on("/", HTTP_GET, [](){7 w$ p5 s2 y! {% `
- server.sendHeader("Connection", "close");" K; l* o6 D9 M1 G* T0 ?1 F
- server.send(200, "text/html", serverIndex);
* A/ ^& j; h- N& J8 ], } - });
[. J' V3 M) ]; b: a - server.on("/update", HTTP_POST, [](){9 b3 K6 K) D! y- ^& o* y
- server.sendHeader("Connection", "close");7 j0 `0 D' u l$ @) V
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
) B; W: ?; _+ z0 L1 G - ESP.restart();
0 I9 \! l5 f8 M% n - },[](){ d6 c+ X4 h8 s8 O2 x0 E8 ?
- HTTPUpload& upload = server.upload();
, X+ M* [9 \6 b% a - if(upload.status == UPLOAD_FILE_START){2 M) c- h/ u8 x( H* A
- Serial.setDebugOutput(true);5 S$ d/ l* h6 R T) ~; s% x
- Serial.printf("Update: %s\n", upload.filename.c_str());* X3 i) Z6 p# G* K
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
1 t, b S3 c" p/ k6 ?& m - if(!Update.begin(maxSketchSpace)){& |5 N3 q3 Y! t% k8 k
- Update.printError(Serial);8 }4 ^' T6 w' E6 E
- }
# U- K) O( o F/ c } - } else if(upload.status == UPLOAD_FILE_WRITE){6 e3 O: @3 U7 F/ Z0 @1 u" Q
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
- _5 l! s; |6 ~ - Update.printError(Serial);2 Z+ Q8 N! n7 [0 Y
- }& r" ]0 U x2 Q0 ^- v; `$ i
- } else if(upload.status == UPLOAD_FILE_END){% ^$ `: T* F: Z) ]; ~, Z0 N
- if(Update.end(true)){
& s5 T( B; Q9 b% g2 @* C - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
4 L k3 s/ S) p3 ~& E - } else {
1 U: ?5 A0 E3 g- h& ^3 R - Update.printError(Serial);
5 F7 K5 c. c$ r% I% k - }1 p0 K+ g2 u2 a# R) C
- Serial.setDebugOutput(false);
/ V: U" ]7 D8 i; R- K9 X! O. V - }% e0 H( q: s6 s a! o J, A
- yield();+ x( `) B: f1 g+ y! Z
- });, Z1 W% d" p' F+ w# d3 h, O# U. O' J0 q# j
- , r C2 X( ~9 Q
- digitalWrite(2,0);
* s5 D K$ H0 J# [! } - mainAction();( D7 }2 l( J2 K' ]* G
- if (digitalRead(0)){7 @% D# @1 f, _; W
- ESP.deepSleep(0);* l3 E: I8 _5 u' H! o4 U# v
- } else {* U: g. l% m) h* o X/ W) D; h! a/ J
- server.begin();7 O' {" U2 b4 Y
- }
& x. v2 u$ i' j( j - }
4 B) T3 ^% L+ m+ t3 t - void loop() {1 i0 d- G- g# M( f: X
- server.handleClient();
5 ^5 k( A, y3 \% Q; j - delay(1);
/ d9 [6 P' g& f- `/ w% z6 r - }
& t5 w' f* x' M3 s - String doGet(String url){' I4 B! s+ ^7 X" j
- if ((WiFiMulti.run() == WL_CONNECTED)) {
+ k9 H7 N- W( ` - HTTPClient http;' W; ~' x1 I: f9 m5 k# R2 H5 f
- Serial.println("[HTTP] begin...");. N0 X/ [( Z' V& e. a6 Z" {6 W
- if (url.startsWith("https")) {' i/ B9 Y# k' M/ U; m# f6 Z4 N
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");9 O) D+ g' {, H' J8 }3 d2 i
- } else {
1 t( q; W; ^& ^; O* E* ?. e' e - http.begin(url);
& N9 ^/ _! ^- ]9 i1 V S - }, y) g+ X# B( S$ _1 p
- Serial.println("[HTTP] GET...");
0 B c+ O! ~! y' Z& m& f7 e; h4 j6 x - int httpCode = http.GET();
4 Q! j6 U% }8 R7 K+ Z - if (httpCode > 0) {
$ [% R* U7 E& P1 Q1 i, G - Serial.printf("[HTTP] code: %d\n", httpCode);! h1 d4 O$ m7 Z# n& e; Z4 Y3 k
- if (httpCode == HTTP_CODE_OK) {4 a+ ]) S1 k' C: i |! }
- String payload = http.getString();
: }4 ]3 _! ]5 M( e9 B! t: V9 u) D - Serial.println(payload);
2 Z) t' d9 ]4 b& o; _8 ?' t A+ V: B - Serial.print("\r\n");6 g* O3 ^' j) V' c
- return payload;: G9 r7 ?/ ]2 [, v8 T( m
- }
0 i! K- G" D1 y - } else {
3 _9 l3 J6 L* S$ J0 ^3 M' t: L7 [ - Serial.printf("[HTTP] GET... failed, error: %s\n",4 {! P9 F3 q5 x$ `
- http.errorToString(httpCode).c_str());: o ^4 Y) U. e2 r' d1 E
- }- q. ]+ V# { f
- http.end();
/ W% `8 {3 m4 J9 d - return "";. j& Y" F1 |, a3 z/ e2 z
- }/ w6 P* j5 H$ C1 L( v( O: c
- }
. E' R' l6 O* p/ D) L& k - void mainAction() {# [ E, D6 |! F- E
- // 发送请求
. ?/ t' B' d7 x6 h7 C' j) z - doGet("http://google.cn");
$ s# C7 i* H$ c - }; U! O% x, {3 a& Q
复制代码 |
评分
-
查看全部评分
|