|
|
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)
6 Z" Y: P+ Y7 L; R# \% a/ A! Z3 `- #include <ESP8266HTTPClient.h>
, _" ~6 m& Q9 _8 } - #include <ESP8266WiFi.h>) g+ I8 [" I" B" H
- #include <ESP8266WiFiMulti.h>3 p, V7 e9 T! X# \ U8 o! s
- #include <ESP8266WebServer.h>! n1 O8 p6 T5 v* d
- #include <arduino.h>
8 T: T. ~& }( b+ U - ESP8266WiFiMulti WiFiMulti;
+ G( a7 I. G7 ]( e - ESP8266WebServer server(80);
( H' c8 ~7 X* z! v0 z - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; r9 O: i/ m* l: _1 ~# M Q, |( F
- ADC_MODE(ADC_VCC);
- L/ C1 i, [5 S r9 q: ?8 C - void setup() {8 w& s" Y1 [; j" e' J( d
- Serial.begin(115200);
9 ~' T# ~4 ^2 ]5 j- {. k - Serial.print("\r\n\n");9 e7 ~; \1 g( V6 {/ A: S$ O' g" x6 ?( b5 w
- pinMode(2,OUTPUT);
+ M' F/ r2 ]. F2 y1 B) u8 g/ w: W - // WIFI% j6 `& z) K I z# j7 K! J! c) S/ [
- WiFi.mode(WIFI_STA);+ D0 y0 P8 {4 E) m; o9 Z
- WiFi.hostname("Sparkle");
. s3 D: n* Q3 f0 b5 I - WiFiMulti.addAP("wifi ssid", "wifi password");
6 @6 b+ C7 e3 D6 G6 x; d# T - int tryNum = 15;+ o" L" |# B9 O2 y4 X
- Serial.print("Connect WiFi");
2 y3 g1 a4 R, t2 B7 X- e - while (WiFiMulti.run() != WL_CONNECTED) {1 Q+ O6 E9 ]+ |6 C5 k0 }# S' E
- digitalWrite(2,0);) B9 J2 i* ~2 ?9 d4 u4 o
- delay(200);
4 W8 _3 P" A' G+ l3 s* v* F - digitalWrite(2,1);
, g& {# e. t" O - delay(300);1 h7 k9 d1 C: k& ~- m) w* l5 `
- Serial.print(".");
s i4 [/ n5 Q, \4 q' y- N - tryNum--;+ Q1 }) K' l* P' x! I# \. k
- if (tryNum == 0) {
& j$ J' s% p9 l* W9 `4 M( r! q7 M - // 1min
2 I3 \* Q N+ z& E; o+ j - // ESP.deepSleep(60e6);
1 A7 E# a. J* u6 d - ESP.deepSleep(0);7 z5 a# K2 u, m0 c/ j: |
- }' f( ?5 D' i5 ^* K. ]
- }
$ T. {) ^, ?, X* [. D( |/ M- x K - Serial.print("\r\n");# X, Z0 {- q) B1 h \
- digitalWrite(2,1);
# Z$ S3 p/ J# F+ d. f' r8 n - Serial.print("IP address : ");
. r4 D+ w7 }. F) `0 l9 d" a - Serial.println(WiFi.localIP());0 s0 C3 Q& p; t6 U9 r$ a
- server.on("/", HTTP_GET, [](){
# z" `5 m; x8 l% y8 _4 L$ R6 I" q - server.sendHeader("Connection", "close");
' y* {$ F# A5 _! x! x+ O - server.send(200, "text/html", serverIndex);
1 b+ `6 |) a* |! @, n6 m - });
! i8 i, U3 V$ p - server.on("/update", HTTP_POST, [](){% I+ C( f% w0 R( I' N2 m. E2 ^: [
- server.sendHeader("Connection", "close");* x& h0 Q3 i2 @% W/ B6 B
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");' f+ w7 |2 L$ P; Q6 B! F4 i- O
- ESP.restart();
j5 x/ h# E4 v) C! B5 N - },[](){% R6 a' S; G- c8 i
- HTTPUpload& upload = server.upload();
2 A0 Z9 R1 T# l - if(upload.status == UPLOAD_FILE_START){
W3 Q: r4 X `$ P5 v' [ - Serial.setDebugOutput(true);
2 e7 ~- r9 B9 i3 N - Serial.printf("Update: %s\n", upload.filename.c_str());2 c- G, J% P: w4 M( `# O" c1 |
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
2 X% l) e! s8 Y8 s* f+ Q% ^. S; W - if(!Update.begin(maxSketchSpace)){+ V# {. x! D3 p& o, D2 t/ H1 Z2 I2 P
- Update.printError(Serial);
7 g3 ^7 B7 F! c5 q. n# o - }
; C! b1 a; O! P( k - } else if(upload.status == UPLOAD_FILE_WRITE){7 h) B. G6 v' x& I
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 P5 @/ ~( i4 V3 Z i' ^0 `
- Update.printError(Serial);
1 D- [: }, @- f$ X1 ~ - }
# k. `( G3 [1 }9 _: S5 P) l: C - } else if(upload.status == UPLOAD_FILE_END){
9 T) l! m' r) U - if(Update.end(true)){
8 F' |6 [. Q' C8 R. j% @: C( p - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);% W. F6 l$ R* @; m, m
- } else {
0 u$ h8 H( I- ] - Update.printError(Serial);7 I3 b2 Q0 G9 \5 w3 ?, M
- }( k! u) I/ d1 Q8 x" `, i$ l( L
- Serial.setDebugOutput(false);
4 C9 N y. u" [- ]* [* q! S+ X+ c - }0 y3 q$ _- o3 x$ y1 R( [
- yield();& V' F' l# h# Q7 z, b! z) t( O
- });! t/ e N' \/ i- k! z: p- r1 L
-
) Q- I! R! K/ a( m - digitalWrite(2,0);
5 f, N$ O q( m* ` - mainAction();
) q' D$ [1 ?6 \7 K0 b - if (digitalRead(0)){' Y2 }# X. B! Y+ l
- ESP.deepSleep(0);
/ w' R- R, S4 I$ F - } else {+ m: k a6 }! N- t# i! c0 W: ^
- server.begin();
% G @4 I- y0 K0 V6 y3 @# A1 |* e! x - }
/ E% K/ ]4 ~3 W; l - }3 s+ N+ [+ v( g8 k+ U1 c
- void loop() {
& P, d" y0 P% V4 L; \1 z - server.handleClient();1 C. F5 n+ u4 r3 \9 T9 f
- delay(1);1 M8 C0 e3 S6 H$ s
- }
+ t6 f' b/ t( D# a! I( t - String doGet(String url){
u- t# S5 \1 J/ x - if ((WiFiMulti.run() == WL_CONNECTED)) {8 q D" E4 w: l. e1 k
- HTTPClient http;3 V' T# g# w" B
- Serial.println("[HTTP] begin...");
& ?% P" l) ]3 q, ^0 b# j+ N4 ^7 L - if (url.startsWith("https")) {9 g N" F2 }, t9 W* B
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
5 J, [2 P3 a; f0 [" V7 B - } else {
. N7 z0 q* [9 y& J8 X - http.begin(url);1 V. M# ~ T( }! c+ n
- }
5 B( }2 S; }! {' P - Serial.println("[HTTP] GET...");
- g0 c* X% `+ p0 C) t$ e - int httpCode = http.GET();
/ c) P K/ R6 W* b3 U, c; o0 ? - if (httpCode > 0) {
- Q* V1 p+ D2 `6 g9 d; {+ k: v - Serial.printf("[HTTP] code: %d\n", httpCode);* H) ]9 g! f: j/ l* w
- if (httpCode == HTTP_CODE_OK) {
; r Z; ]5 f6 e3 h% q6 h5 L - String payload = http.getString();3 d% z: |: \* O/ ?$ X4 j0 x
- Serial.println(payload);
% l/ e( `- Q& M" P2 X0 W - Serial.print("\r\n");
! y1 U, O% F. J+ Y! |: n - return payload;
( U6 l$ w4 B2 T- G1 b - }7 Q1 K# j. V5 Y% a) `5 i$ n
- } else {+ M( p- C! i& Z( x* u# O; W
- Serial.printf("[HTTP] GET... failed, error: %s\n",
1 S+ e! R& x+ r) N; F, e& @; P1 n - http.errorToString(httpCode).c_str());
: B! V8 w0 Z- J: z, K5 I; \1 @8 @ - }4 Y4 t, X; x' i: r
- http.end();
' h! K! w1 w, }7 \" R3 m8 T - return "";7 U) `# N7 K& R
- }" A/ K2 `0 N; O
- }; r6 O, p: J* t- K3 `. m
- void mainAction() {
5 t) u' ]9 I& j7 a/ v! s5 V/ P - // 发送请求; u' Q: r2 K8 _. ?4 _5 p( ~
- doGet("http://google.cn");8 h# _4 x9 V; H- A3 [
- }
4 B7 |6 H2 O& x4 l# V! S) Z0 e
复制代码 |
评分
-
查看全部评分
|