|
|
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): x2 l9 M! w3 T7 N' ^& P
- #include <ESP8266HTTPClient.h>
. z: s& A7 t" J4 w6 X$ i - #include <ESP8266WiFi.h>
0 M% b7 K7 i! T. P" o3 a - #include <ESP8266WiFiMulti.h>& Z: \5 }! r4 m
- #include <ESP8266WebServer.h>
* V. [# b0 S7 L' o, T - #include <arduino.h>1 s3 j6 w) W1 n" `8 l6 N
- ESP8266WiFiMulti WiFiMulti;0 s% ]+ J" m' h% g( F* X- w6 J8 \
- ESP8266WebServer server(80);
$ I2 V* H, }) k5 M& s - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";' g8 r3 `1 ^9 w2 q% Z1 G
- ADC_MODE(ADC_VCC);9 O. F' ^) g* f& \6 }' Q
- void setup() {6 m/ b( L& n, B9 C
- Serial.begin(115200);3 p2 C, v. b5 w' U, r# t' g
- Serial.print("\r\n\n");
! c6 P" Z! C" \) g: R' a, f - pinMode(2,OUTPUT);( G% W/ \: N7 J9 T& F4 j0 } p
- // WIFI
% h' U5 z( \( m: \; Z8 U4 w2 K - WiFi.mode(WIFI_STA);
+ Q& W7 j+ y9 B( U% O/ ? - WiFi.hostname("Sparkle");5 O; H0 o4 ?8 p0 ]* P" v
- WiFiMulti.addAP("wifi ssid", "wifi password");
- {4 l! @; V) A8 [6 X - int tryNum = 15;
4 s' `0 y0 z" U, m' H5 ?5 t - Serial.print("Connect WiFi");
# _+ B* k; x6 @: A+ ^ - while (WiFiMulti.run() != WL_CONNECTED) {
7 f" j+ {) y5 L m0 I0 P - digitalWrite(2,0);' a: l7 E& S# Y7 A- H8 Y; f) U
- delay(200);
/ r" u6 e1 |1 q6 f - digitalWrite(2,1);' D4 \, k1 E; g# b
- delay(300);
3 H `$ x, S8 c - Serial.print(".");
( W, U' K* u- s7 } - tryNum--;
7 W9 G( G2 T: q$ n - if (tryNum == 0) {8 d( g. `6 n2 [8 P
- // 1min8 r3 a, I% e. x# [ \# ~; z( B
- // ESP.deepSleep(60e6);
5 b; a9 U; K) D$ ` ]: E - ESP.deepSleep(0);3 n1 X' w* X N I: p4 \: |$ n; T
- }
$ |% O/ k$ m2 g* {; | - }7 o+ u& A- ]# ~$ e
- Serial.print("\r\n");
: G- X# [, f" k& a- s9 R - digitalWrite(2,1);& e- c1 E* U) p8 h% {
- Serial.print("IP address : ");
& y$ C& u1 @; ^1 n - Serial.println(WiFi.localIP());7 T2 { I$ \* n
- server.on("/", HTTP_GET, [](){
" ~9 W p# ^$ d9 | @% u - server.sendHeader("Connection", "close");5 o1 `. I! Y, k% l
- server.send(200, "text/html", serverIndex);. b$ [& Z' Z: t- Z9 f
- });+ r# Z7 P- ~, s/ J5 f
- server.on("/update", HTTP_POST, [](){) V9 }+ n8 i; w! u
- server.sendHeader("Connection", "close");
) H- W. h" L* t6 ?* S - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
2 `" }6 O9 e6 h% ~" q* U7 R - ESP.restart();
# S; V; a) |0 T0 i [ - },[](){
n% O* n: B5 |* V' I: i - HTTPUpload& upload = server.upload();$ ~6 o6 M- l# `8 N$ ^
- if(upload.status == UPLOAD_FILE_START){
: K6 ] h. E% R8 S" Y4 s - Serial.setDebugOutput(true);
8 F% T! m* K" | - Serial.printf("Update: %s\n", upload.filename.c_str());$ M* W+ O2 f" x
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;' [& ?5 b( j8 Q
- if(!Update.begin(maxSketchSpace)){
1 U7 l, q0 z6 W/ F2 q% u) S - Update.printError(Serial);
8 N7 n) ]7 w& p, @! O - }3 d) q( I8 s5 a4 z7 M$ W7 `4 F
- } else if(upload.status == UPLOAD_FILE_WRITE){
$ b! f; h- {- p2 L- U7 t - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' }. o9 I5 t s3 {* J- J - Update.printError(Serial);2 G2 \5 J$ f! T" g' {" {- g `. b
- }/ ?! f& o' l$ ^9 v6 t' W' ~8 }
- } else if(upload.status == UPLOAD_FILE_END){4 A7 A; V3 C6 g% [; V0 z2 p
- if(Update.end(true)){
^+ v: W3 q* a8 E* d - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
" o3 E' x3 v: J9 q* _5 `3 d - } else {
, u0 N( l/ F* p) z$ g - Update.printError(Serial);
: _( Z, _( V6 Z+ j( d9 z0 g - }5 Y y5 M# W+ j
- Serial.setDebugOutput(false);
" T2 t7 @$ i' w9 C1 S - }. a0 r6 E! N* c( s
- yield();2 N+ b+ p% Y2 ]8 T# ~ ]! o) }
- });. v4 A9 X. a" Y& z
- " P- N- R: V7 c* T) v: w3 y
- digitalWrite(2,0);7 J1 y- E! {1 m3 o6 U& F
- mainAction();
/ h+ I. W! ~! n5 S- o - if (digitalRead(0)){
" G1 Q' G; N( D9 f U* s - ESP.deepSleep(0);- Z9 {! s( W+ s& q! E; O
- } else {& O2 n7 }$ }+ s4 ]& \9 U+ _, N
- server.begin();( N" F. D2 }7 N4 K) P* q, y
- }3 w8 j( O: t+ H# v
- }; P6 g+ g& ]: c9 E
- void loop() {
: k* G. o0 F1 s" d7 B! b6 ]" a - server.handleClient();1 F2 c) D/ W6 I3 [5 [' G% u: o
- delay(1);' b! R! c6 N4 t$ N5 l7 R6 z( Q
- }- n* U$ H4 K _- S
- String doGet(String url){
2 E" }5 I8 F+ @3 k6 J7 O - if ((WiFiMulti.run() == WL_CONNECTED)) {# ^, F: o* V% s! ~+ l% X$ l a% C
- HTTPClient http;
; v1 B/ ]" i* c8 } - Serial.println("[HTTP] begin...");
: ]$ S" _6 U) s2 S/ z: i - if (url.startsWith("https")) {
# U8 g' ^! P# | A' C5 E! d0 n, ~, z - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");1 Z0 v: o; n, g- L2 \- B
- } else {8 }/ W+ T+ w: c5 O3 C
- http.begin(url);7 B8 L [( m$ z4 i1 x& ?
- }
4 W" u6 g& }8 Y) A$ G" _! G - Serial.println("[HTTP] GET...");
6 @$ }, y4 v, n# g+ v. q - int httpCode = http.GET();' u* q7 m4 I1 v( h9 Z
- if (httpCode > 0) {$ h; y7 I5 z: Y* q) J! @
- Serial.printf("[HTTP] code: %d\n", httpCode);
2 w' s0 @3 W* g0 n - if (httpCode == HTTP_CODE_OK) {
$ i; S( x0 T1 s$ A! R - String payload = http.getString();3 Y8 G: M3 ]# |+ B; o. a
- Serial.println(payload);+ \# y7 ~0 c0 M3 K& O
- Serial.print("\r\n"); a1 h* u w1 \9 D. n0 k& u
- return payload; V* u5 ]. k" D
- }
1 q! V: z' m1 W3 _2 q2 i/ V - } else {- d1 g8 W- |! I4 C- W
- Serial.printf("[HTTP] GET... failed, error: %s\n",: z$ {8 ?4 C8 c! f$ H: I
- http.errorToString(httpCode).c_str()); `% E9 J2 T( _) [
- }
# D1 `( q% I; }* t - http.end();! J$ p1 U ]. {! e1 y1 {% |
- return "";
- G X* c% j6 B9 T! X. Q6 V9 K - }
0 w( |1 F s# B& U( i8 C - }
! I0 ]( `$ H2 @- p - void mainAction() {
* t! E' u& e' e4 o. v - // 发送请求
; _7 A F: R" L+ j* m; X* y+ F; z - doGet("http://google.cn");
N. j# Q9 h. t* O5 m$ B - }
: r! a" P. C1 e; L) Q' o6 P
复制代码 |
评分
-
查看全部评分
|