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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)
( B' H9 w& Y: `: n' p1 h- #include <ESP8266HTTPClient.h>
$ |* G, J+ L7 j$ o7 G% h9 o7 o+ Z* ` - #include <ESP8266WiFi.h>% ~2 m# V5 @9 s
- #include <ESP8266WiFiMulti.h>/ ?% M- J/ J. z w( S8 {: i
- #include <ESP8266WebServer.h>
c) ~0 r3 R$ y1 h# W - #include <arduino.h>
" J# A7 n* e3 r ]$ f - ESP8266WiFiMulti WiFiMulti;
4 k, B) Z! L8 }: {9 @ - ESP8266WebServer server(80);& v: }9 b2 i8 V5 D. y
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
6 h( \; C6 D4 s- T( H0 U' A - ADC_MODE(ADC_VCC);3 p) I2 U8 z( R( E
- void setup() {
' y! h; D9 W, H8 A- ?/ r - Serial.begin(115200);0 ^0 l5 I7 G& f, \, C
- Serial.print("\r\n\n");1 p* z- [/ w1 y, H
- pinMode(2,OUTPUT);
) ~( V) P+ ^# B8 T - // WIFI
) L2 N6 E! M# W! D3 Z$ ` - WiFi.mode(WIFI_STA);0 j! V- J5 Z1 ]4 {) W1 R, C
- WiFi.hostname("Sparkle");
0 }. E+ _" U2 J3 R - WiFiMulti.addAP("wifi ssid", "wifi password");6 w# C6 n; N3 ?9 h( _3 K( s5 K) s) K
- int tryNum = 15;
2 C8 t2 F, y; @1 X" ^% \ - Serial.print("Connect WiFi");
3 |1 P) }1 _* k. q% k/ s - while (WiFiMulti.run() != WL_CONNECTED) {. O% m- k2 N( N
- digitalWrite(2,0); a) y1 e+ A8 S$ g; P# a% k* ^. \3 b
- delay(200);
1 G$ X2 Y2 ~- ?( R! m% D6 `8 x g - digitalWrite(2,1);6 h2 Y4 H; \* q5 j7 y1 D
- delay(300);5 Q6 P8 M$ c. c1 j
- Serial.print(".");
7 r4 f+ ^) {; ^5 q - tryNum--;7 O( S/ V. q9 V) Q* `) f
- if (tryNum == 0) {
! ^9 S3 h) [4 f* i% q7 R& T - // 1min" }' |( o5 |6 U6 f: t6 W) _! ?
- // ESP.deepSleep(60e6);6 p% D3 E' E2 ]( z
- ESP.deepSleep(0);
3 s- r# O3 G! N4 H3 h - }
7 G q0 ?- O) x4 |. g - }7 V1 m# `" L- h" h/ C$ G- i# S
- Serial.print("\r\n");
9 x+ D( w' B/ M1 ^) f# y* y' S - digitalWrite(2,1);
" b0 d+ I( A5 X. ? - Serial.print("IP address : ");
; t/ o/ \2 `- [ - Serial.println(WiFi.localIP());" G. ?+ \) ]/ q; H) K% T* f6 w
- server.on("/", HTTP_GET, [](){
4 n, x. t! ~3 X- {; k - server.sendHeader("Connection", "close");
7 h7 G/ j7 q) [3 w" s0 J - server.send(200, "text/html", serverIndex);
8 X3 r: p9 ?, r$ w r7 A+ l - });
3 H3 Y* x' t) i - server.on("/update", HTTP_POST, [](){
- B" o, A6 K+ {0 e& r - server.sendHeader("Connection", "close");* L" i+ U$ K9 i' U4 O; C
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");/ H( m2 a) w7 f: Q# N
- ESP.restart();7 X" M* Z4 \( Z& H" s; D: E
- },[](){
, }) g: Z$ M& n7 q- _ - HTTPUpload& upload = server.upload();+ }( k" o2 Q* F6 ?4 ~2 f8 E
- if(upload.status == UPLOAD_FILE_START){
+ w' U2 s) |! b; _0 y: H - Serial.setDebugOutput(true);* v3 c. S% a6 k0 d) H# `! [- s; K0 _
- Serial.printf("Update: %s\n", upload.filename.c_str());
" z* u4 I& L; Y1 ` - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
. I* J8 u9 K, P4 V, S7 x - if(!Update.begin(maxSketchSpace)){
0 f2 X% h. m* m# T5 ]9 ^6 a- O$ \' I - Update.printError(Serial);
2 x1 m2 \; {3 ]2 Z/ p& e - }, s; d& C3 @8 L
- } else if(upload.status == UPLOAD_FILE_WRITE){5 R( t( F! n. e, j3 T& K2 {$ B5 l
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" V0 Z4 w! X! K! s6 ] - Update.printError(Serial);; ]! L. ~- E, m" b
- }$ \# F5 U3 \6 v+ S) `
- } else if(upload.status == UPLOAD_FILE_END){
$ o5 C9 P5 y5 Z- x$ ` - if(Update.end(true)){
; Y$ Y( h2 O; [! ^1 S$ f9 E - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
* l0 R* {: G' I/ p/ ] - } else {
. N2 I- I* x! ?. F) W; d# | - Update.printError(Serial);6 C" {( N- q" y' m
- }( U! I' f: y! u2 G
- Serial.setDebugOutput(false);$ S$ m% j# A, j" N- y2 m
- }
: `1 p( B( u3 X. j0 S - yield();) \, j, y. Z) V# q4 F
- });6 H, r. B6 c0 Q
- + Y0 [9 V* \) D! P4 Z0 j. k& m
- digitalWrite(2,0);' q" ^4 L8 n1 E, M# x
- mainAction();
( B% f/ U9 s1 t1 s5 q- o9 o - if (digitalRead(0)){
( q" h9 k" p( d4 K - ESP.deepSleep(0);% b. L/ ^# ~7 a$ l4 n7 S' ~" R0 @
- } else {
; `6 J0 y9 ^% `* x8 d0 J - server.begin();# a7 a( ^! C2 }1 _1 x( ~, W- A
- }
7 ~ Q3 E9 u P e% m1 x - }
! g# l+ {6 i1 D - void loop() {
5 C1 q- u4 T3 [( K7 ^ - server.handleClient();
l: C" ? r P7 ~$ t - delay(1);
h6 I6 w% \ Q Z' h# I, p I" I- T - }
/ ]" ]# W, X+ e( I9 K - String doGet(String url){
" d) E$ {' @- t# e! w3 P - if ((WiFiMulti.run() == WL_CONNECTED)) {6 D' {# |, Y$ L2 h; q! _
- HTTPClient http;, G! S" |2 z2 A: Z. k5 O) K: C/ R
- Serial.println("[HTTP] begin...");, _) f6 n5 S, D" I& C1 D" b3 W
- if (url.startsWith("https")) { D& ~' v8 h0 S6 \$ t+ p* |6 m+ w
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
- A4 Y" n8 l+ J5 T+ \" g - } else {
5 p, b9 o# ]) e - http.begin(url);: j5 b6 t: c7 q
- }0 |9 x Y7 Q: w: H' }) u
- Serial.println("[HTTP] GET...");5 h+ {3 d1 S/ x' {6 j) @3 S! i5 E
- int httpCode = http.GET();0 V7 F% t- M3 @) D3 t4 B
- if (httpCode > 0) {
0 u- Z, N! [$ @; F4 g, Y - Serial.printf("[HTTP] code: %d\n", httpCode);& V6 z( ?9 _% ~- r2 Z# l
- if (httpCode == HTTP_CODE_OK) {6 J) {8 D/ h% z" r% |0 d
- String payload = http.getString();
$ d& d8 T: J8 U - Serial.println(payload);
2 r* x8 j1 i8 d! j - Serial.print("\r\n");8 v% A [! m, x2 X! D
- return payload;" k2 r0 z4 P- M1 K" B: q& H
- }, M" L5 p( O( t' X2 g2 a7 b
- } else {
+ p+ U6 ? w( N }/ o - Serial.printf("[HTTP] GET... failed, error: %s\n",
: k6 F% o) {# G/ i. @ - http.errorToString(httpCode).c_str());
. I) D ^* Q N ^+ ` - }) k9 ]& C9 P: {3 P3 j
- http.end();8 Z$ l' f2 ]% W) J; p
- return "";4 u2 p& k ^: L1 _* ^
- }
' k! b4 R2 e: H - }
, N2 H+ C# g' Q" U2 G" o- x' Y - void mainAction() {
6 B+ {3 k, w7 g9 C8 o7 }5 ] M - // 发送请求
( X9 ]) Q: L9 i4 v: l( r - doGet("http://google.cn");
. ?% P# N3 x' w' y: y$ M- F# ~ - }9 Q+ N, {. H B0 m6 x
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