|
|
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 v3 T/ O1 J, L; h
- #include <ESP8266HTTPClient.h>$ e6 Y% V: K% o+ o$ s" Q8 G
- #include <ESP8266WiFi.h>
% @' O) W* G: X9 ]& a; G, i1 i - #include <ESP8266WiFiMulti.h>9 ~7 I1 y T* X/ ^! Y6 a4 V
- #include <ESP8266WebServer.h>
* I" |2 f/ `4 @5 G7 { - #include <arduino.h>
+ O+ n0 c1 {" e9 b* F6 W9 i - ESP8266WiFiMulti WiFiMulti;
9 ^+ l, k9 f+ S2 y: V5 ]# [ - ESP8266WebServer server(80);$ n# f) |- M: D9 C9 |
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";( Y; r# ^9 D/ r5 `4 D
- ADC_MODE(ADC_VCC);
" E5 b) ]- b- c0 k {: d - void setup() {& y4 y* i: j, B/ e
- Serial.begin(115200);( Y% Y. Z$ k2 w
- Serial.print("\r\n\n");
1 |0 _1 n% ]% u* j: ~ - pinMode(2,OUTPUT);
% z1 G+ x, s% \' D3 U! Z. j/ l - // WIFI: P+ B% I* M) `) ?& ?1 L
- WiFi.mode(WIFI_STA);
4 V8 L; J* F$ ]8 y* _ - WiFi.hostname("Sparkle");
% L# f. H9 `; J* q0 ~3 W% U6 C2 M - WiFiMulti.addAP("wifi ssid", "wifi password");' w u3 M& z! W1 Z% i
- int tryNum = 15;, |+ _/ S* t* ^) C4 ]; j
- Serial.print("Connect WiFi");5 U. ^) z! [" R$ x
- while (WiFiMulti.run() != WL_CONNECTED) {
9 I& J$ a8 A1 O% w. i! ~ - digitalWrite(2,0);$ j* [" Q7 X) w5 d
- delay(200);$ @3 V% f/ o9 b* k3 b
- digitalWrite(2,1);8 R \0 P K! C' Y
- delay(300);
6 `# f, C" P0 w+ k8 A1 d* E6 @4 h - Serial.print(".");$ `( |' ~! ?+ z+ H) ^% w& _
- tryNum--;" V" D% u, f: g {, Z7 x8 B1 H
- if (tryNum == 0) {
d- ]/ a' e" {6 }& f, h - // 1min R' B6 v% [, Q% x. r
- // ESP.deepSleep(60e6);
2 C% p" o6 b! D. |% S - ESP.deepSleep(0);
4 R. M8 a' d5 H' m- R. i; g - }7 \5 E! }: b4 Y( g2 t9 @8 s1 s
- }
" E* V0 k) S5 y; J% t/ v - Serial.print("\r\n");
5 N6 m4 S& E) G. V7 v9 t- j - digitalWrite(2,1);' b- `8 u9 t- q
- Serial.print("IP address : ");" Z. y0 y' N+ n3 @5 W
- Serial.println(WiFi.localIP());
0 v! p/ `. m3 ?- ] - server.on("/", HTTP_GET, [](){$ x2 O+ ?4 X8 t& e
- server.sendHeader("Connection", "close");
; U$ O. |7 \& D/ J$ m% g. K$ s$ `9 V - server.send(200, "text/html", serverIndex);$ J7 V% L, r$ M) }$ G
- });8 W1 A( k. Z$ [% F4 r
- server.on("/update", HTTP_POST, [](){
5 e- j4 E7 w, F% x6 c - server.sendHeader("Connection", "close");
- f2 _% H8 X' D) ~ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
6 w' e- q. d# w$ t6 Z$ q3 f - ESP.restart();
0 g% H* ^8 e# E, d4 v - },[](){
; k1 |8 L3 G( J" I - HTTPUpload& upload = server.upload();" a6 d. X2 J5 j0 J
- if(upload.status == UPLOAD_FILE_START){+ W9 A' N s4 o1 C, N
- Serial.setDebugOutput(true);
8 u- ]! Q& o0 l3 F/ Z% s - Serial.printf("Update: %s\n", upload.filename.c_str());
2 w* A" m) n- t# L% `- A& Q7 N - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
9 v! T7 }, K: O5 J# m3 u - if(!Update.begin(maxSketchSpace)){6 t) T o) g2 p" o* W8 {
- Update.printError(Serial);* w" ~6 u3 w0 D K. o7 Y( F
- }
/ R/ r; U) g6 q/ D! u - } else if(upload.status == UPLOAD_FILE_WRITE){; t, u* z% e# N
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){. G6 ?5 d+ r% H$ c) @
- Update.printError(Serial);, o/ e# H5 o6 {+ r! U: W
- }
5 [; }5 l8 H6 t3 j - } else if(upload.status == UPLOAD_FILE_END){' ~& Z) }: |# k
- if(Update.end(true)){1 I- M8 J6 _1 g, v
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);5 V5 B K) n; u: r* H
- } else {$ w/ c6 c; `: ^+ k
- Update.printError(Serial);
' P! V5 I \9 r0 N) F - }( i1 h) W' P6 \% `
- Serial.setDebugOutput(false);$ {4 N6 C* M! O% C3 }
- }% n" R; w7 z2 V- z9 ?; z% O+ ?6 i9 m
- yield();
! r0 u0 ~5 ^7 v* V2 J/ Q; w - });
6 l% H* x, ]! x, s9 \' L - * [. q( Z; ?2 L) R. @( j: }9 J
- digitalWrite(2,0);- f. D' B& x7 N: J" b1 Y( I
- mainAction();- H% q k2 o$ }* u+ O8 h% @9 g6 P
- if (digitalRead(0)){
# a" `& H! m5 f* o5 g - ESP.deepSleep(0);0 F: X C% }* t/ ]2 k+ `
- } else {
- e7 w- T7 y4 |% `) M3 k l, Z - server.begin();
$ r, Q" X1 P9 d& n - }
9 g1 |# a7 V# C) C7 ]! [7 b+ G - }
$ ?$ N/ r. ^: d4 j6 N# [ - void loop() {
/ q) p, ]) j) ]0 n0 p1 D/ r - server.handleClient();5 H# Q9 w$ w6 [# T6 v0 a( W: O
- delay(1);
5 {8 c& g, l( c P6 k1 J! O3 u - }
7 R5 N* b& s; j, \ - String doGet(String url){1 o g) e$ Z1 B3 n& u6 f( X* q1 Y5 b
- if ((WiFiMulti.run() == WL_CONNECTED)) {
4 S* J( d/ w6 ` - HTTPClient http;! d6 c$ J- z# C9 `& z
- Serial.println("[HTTP] begin...");
& M9 Y+ b& T0 V7 ~# b - if (url.startsWith("https")) {
' {9 l. L4 L/ b: e9 }7 K - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");2 D3 k, D* I4 A6 x
- } else {6 j3 t/ G2 _; L- O2 ~# L+ x
- http.begin(url);& S, `# N* a( ` A
- }
# y4 V, [5 ]8 S- m - Serial.println("[HTTP] GET...");& d; c% P) j, d/ V) k7 o4 k4 z
- int httpCode = http.GET();
. k: l t& \! E" _* h - if (httpCode > 0) {8 k8 j: h& V6 A# n3 I9 l
- Serial.printf("[HTTP] code: %d\n", httpCode);- h, Q5 R# l S1 |* X( V' z
- if (httpCode == HTTP_CODE_OK) {
. \ K% p7 c7 K; o* r X - String payload = http.getString();' O# I8 u. R0 {* A/ V1 P
- Serial.println(payload);
5 G1 h2 u1 ?9 }/ q T& e - Serial.print("\r\n");
5 P0 S$ |) H) x; F, ~6 p - return payload;7 U" ?, {5 |/ m1 X' T
- }
$ m; x% H+ C8 B$ f0 x8 Q. w" } - } else {
+ K+ k/ u i3 F" i - Serial.printf("[HTTP] GET... failed, error: %s\n",
3 m! d3 ~! V l# |, q5 L& o - http.errorToString(httpCode).c_str());( N; a+ C: B8 y$ m+ W9 k
- }6 _0 z, X- Q; D- x; y; k' l
- http.end();
1 V8 K$ e: e4 l( a - return "";
4 x8 q+ q1 K, l9 a( V, W* v - }
$ z# |, v% {$ V# J! ~( e - }1 o" G0 m- ]1 _7 L) O
- void mainAction() {
3 G: @' w3 W; Y1 T8 y/ v9 l* y - // 发送请求
' J7 C8 T8 V1 T" a - doGet("http://google.cn");
4 F6 w/ N, J/ X% g$ |$ m - }$ @- m6 P* X6 M, F
复制代码 |
评分
-
查看全部评分
|