|
|
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)
$ F" K. I1 M* Z2 {# q- #include <ESP8266HTTPClient.h>
0 u/ \8 {- w8 z9 { C - #include <ESP8266WiFi.h>
7 P2 f1 U6 @! G4 ^5 u. o0 J8 b4 J - #include <ESP8266WiFiMulti.h>3 A1 P) e- b) j5 F
- #include <ESP8266WebServer.h>
2 d- E' } W4 [' y - #include <arduino.h># p/ _; W; L8 w8 C- c0 F
- ESP8266WiFiMulti WiFiMulti;
* }# o; P' D+ x+ p - ESP8266WebServer server(80);6 M- l7 l2 O2 r$ J
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
5 O0 U) C9 c& h1 C& c - ADC_MODE(ADC_VCC);
* V3 U, @+ W* b" B - void setup() {
& B7 W ^) L4 ~7 {+ O' y/ T - Serial.begin(115200);8 J* w% i& y# F. q. G
- Serial.print("\r\n\n");% c1 G; E. Q. f) J( _9 L# i# R
- pinMode(2,OUTPUT);
( ~$ n5 S' G, S" m. t - // WIFI
' U2 x# V& ?) e# P! h - WiFi.mode(WIFI_STA);& x7 `: ]0 l+ r, a# N# z1 z9 I
- WiFi.hostname("Sparkle");$ v5 F0 W4 f0 G# g+ a8 ?
- WiFiMulti.addAP("wifi ssid", "wifi password");
9 ]) g4 k' a' `6 H K/ D - int tryNum = 15;
) n- m. }/ n; W: x - Serial.print("Connect WiFi");) r1 t: T- ^! L, F* p* G
- while (WiFiMulti.run() != WL_CONNECTED) {
6 ] w9 l: _7 C | - digitalWrite(2,0);. [" G& n# N! Q4 }9 C
- delay(200);
/ @8 T5 e3 ]/ q" c( l& C3 p - digitalWrite(2,1);$ i* I v% e2 ]
- delay(300);
0 T6 q/ L/ G$ F! h: W, g( |* Z - Serial.print(".");
1 | k% K; l9 f/ {9 Y0 t( I - tryNum--;8 @1 S+ U# l, D5 p) ?+ X
- if (tryNum == 0) {
6 f5 w$ {1 V; X, ^9 T - // 1min
1 r9 X, W. s/ b( f - // ESP.deepSleep(60e6);! K) [' R' k' S
- ESP.deepSleep(0);
{- J0 d) q1 R: V - }( J6 J3 i# m4 \- E9 J! I! F, ?
- }
$ s/ B6 v2 b# G \0 u$ h - Serial.print("\r\n");, f& |( `# n$ |3 Y
- digitalWrite(2,1);8 G# S& u+ U- D+ r
- Serial.print("IP address : "); e/ y. M% \3 T
- Serial.println(WiFi.localIP());6 p: K) u8 \% K3 G
- server.on("/", HTTP_GET, [](){5 V. T" t+ P r7 g- S
- server.sendHeader("Connection", "close");
7 j8 B& |$ l/ C0 l7 t4 _ - server.send(200, "text/html", serverIndex);
" @/ K& {3 s1 C1 c7 a9 q! m2 p - });
0 R+ q1 p9 Q7 @7 Z - server.on("/update", HTTP_POST, [](){
! {/ v, u+ u* b - server.sendHeader("Connection", "close");
& R' d' c' E- r# s( F+ l0 W: q9 [4 Z - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
+ q3 R+ H. K8 W& V3 Q* Q. M - ESP.restart();
L- R2 F. R9 K3 F - },[](){) H0 Y2 Z: j! s1 ]/ S
- HTTPUpload& upload = server.upload();
6 J" I$ z6 r' V9 b8 m: K - if(upload.status == UPLOAD_FILE_START){ V- p0 |* l, u# ~
- Serial.setDebugOutput(true);' P3 l4 V3 l( `% a4 o( i4 W2 q# `$ E( X
- Serial.printf("Update: %s\n", upload.filename.c_str());; F5 n) N8 |/ G$ Q; J8 I
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
) j0 p, v. O, @8 B* a& B& V6 @2 B - if(!Update.begin(maxSketchSpace)){# ]9 O0 ]4 G# t. m# Z7 O
- Update.printError(Serial);
' W9 Q/ \! P7 e$ p" y6 E - }: v& d+ w* D& ]/ @: k1 r
- } else if(upload.status == UPLOAD_FILE_WRITE){
$ l0 r. T0 M, F3 t5 X) y# ` - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
2 t( M1 C, f3 O& T6 E% x% x - Update.printError(Serial);
( e8 l7 x+ E" A! H. ]0 b - }6 i2 x2 [3 M2 k! ^
- } else if(upload.status == UPLOAD_FILE_END){* h/ t0 J5 B$ a6 T5 M- P/ x
- if(Update.end(true)){6 W* y8 L1 s7 L' U! O- B
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);: k/ o& c4 j3 n) [2 i& u
- } else {# q2 n( @& n3 ?+ y! M+ g D
- Update.printError(Serial);3 K. j4 p# c. m$ N% d% X
- }/ U- F! b4 Z, T' X3 B$ ^
- Serial.setDebugOutput(false);
* P3 [! z; p) P - }* }& i! ?8 V, S5 g
- yield();
& \) y/ p/ Q a, Z - });$ t# Y3 _% ^( {4 j, m2 \
- ( o7 N3 m5 Q9 Q/ E3 }
- digitalWrite(2,0);
Y) n' y9 W# _; `6 p) `8 o% e6 v - mainAction();* k0 J \- U0 w* b8 ?
- if (digitalRead(0)){& J! R0 |0 R0 ^
- ESP.deepSleep(0);* @; `2 m5 y% i0 y7 t% o, Y0 {
- } else {
9 t1 c" M1 F: Q* O4 ~+ W - server.begin(); X) R' v& R& Q2 e: R
- }
( T0 a! W. }" v2 x8 x - }* d. o: i% _: x. a
- void loop() {3 S- h6 C8 o$ U( j4 r* `
- server.handleClient();+ b8 {: G, X0 b
- delay(1);
3 c. V6 i2 Z$ ` - }0 a8 c, ]8 r! e( z. ?; Z+ M
- String doGet(String url){
& ~* A7 N# H1 N7 m k1 r( } - if ((WiFiMulti.run() == WL_CONNECTED)) {+ U! t! j% V! ]' e* H. O
- HTTPClient http;$ `4 l7 B1 J9 a* X! N( j5 p
- Serial.println("[HTTP] begin...");
9 u; m, R% j0 T1 h' w - if (url.startsWith("https")) {5 C0 m- n* Q. _8 m+ s
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
& X o7 S T, k0 W+ U. j - } else {9 A0 |' W) n9 u! ?. I" Q. Y
- http.begin(url);1 Q( g, T! ^' q- }- ~3 k
- }8 h4 O, P3 }& H
- Serial.println("[HTTP] GET...");
x1 x, x9 e( t3 D% b - int httpCode = http.GET();
/ T# U5 l( v6 t. x - if (httpCode > 0) {
; C1 ^1 l& @& {/ {& A3 N4 M1 N$ Y( p - Serial.printf("[HTTP] code: %d\n", httpCode);
( ^' x1 h$ a' N7 ]& p - if (httpCode == HTTP_CODE_OK) {) K+ F5 o2 I( d& h" @6 i
- String payload = http.getString();
0 g* e4 \7 w" h( z \, D* _ - Serial.println(payload);
4 `: F t4 F. J; p0 S- j) L: ] - Serial.print("\r\n");8 N. u% Y9 h" T/ d7 o
- return payload;
/ D; b8 o% ?6 T% N - }
$ G; ?6 g8 }$ @( F' @" c; i! x - } else {5 L" q" Z: H v) ^! p1 w" d
- Serial.printf("[HTTP] GET... failed, error: %s\n",
( l3 m/ B' a8 b5 k - http.errorToString(httpCode).c_str());( @' E& U6 Y% W: c
- }
! W1 p: N% I2 n8 {/ }% `( M7 \9 p - http.end();) Q1 Y) D# v! H* ^
- return "";
. l" A2 r9 l4 b7 ]0 L - }. N8 n2 x, {- U+ C( o6 \
- }
/ L5 }# X, d: |1 t - void mainAction() {( h0 x9 ~2 d3 g& e5 w* `
- // 发送请求
$ b" y4 n! l7 C) K' b - doGet("http://google.cn"); a! O5 y4 Q2 M: W; n8 _
- }
* M9 M# f; E" k( A- S& h
复制代码 |
评分
-
查看全部评分
|