|
|
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)5 }& z4 R3 _* v4 ?
- #include <ESP8266HTTPClient.h>
- A6 p; T' ~4 [) F% A: A - #include <ESP8266WiFi.h>
8 I( Z, J5 G" b s. K3 ~8 b - #include <ESP8266WiFiMulti.h>
7 c) j2 V3 x3 R+ X - #include <ESP8266WebServer.h>
# n5 W0 M9 F8 Z9 o$ z" g - #include <arduino.h>) C9 I2 ^( w B5 Y7 k
- ESP8266WiFiMulti WiFiMulti;
) {5 }* B, @- U+ v1 g+ h - ESP8266WebServer server(80);
; j' F1 F: l1 E - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";: ?, Y* q" u1 Q$ s0 q5 f
- ADC_MODE(ADC_VCC);
7 B- N8 u% N; h) U5 b5 z - void setup() {
8 s* Y+ O% d7 j3 b - Serial.begin(115200);% Q: T" ~7 A+ I: l0 a
- Serial.print("\r\n\n");, }: ]: F4 f9 i3 b! u. x; ?9 f
- pinMode(2,OUTPUT);
% B# j: e+ e$ m+ R2 B, \ - // WIFI4 w7 v% h ^, I* U2 h; K
- WiFi.mode(WIFI_STA);( A& r3 W/ v. ~9 N1 m% u
- WiFi.hostname("Sparkle");( } a& |$ f6 ` i" S9 u
- WiFiMulti.addAP("wifi ssid", "wifi password");
* D1 A k. `7 B - int tryNum = 15;
% G7 m& I8 F, d2 v" K - Serial.print("Connect WiFi");
& I" [" T }; t( S6 r - while (WiFiMulti.run() != WL_CONNECTED) {8 V# }" Q1 W7 A" n
- digitalWrite(2,0);
* z8 j( \ b) h3 l' W - delay(200);
4 r' b7 M0 O" H5 I$ h" c& r9 j - digitalWrite(2,1);
+ b+ S4 [( K b$ J - delay(300);
5 m& T6 C4 l; }$ ~ - Serial.print(".");
" h. d! N# _! B6 `" c0 |4 E7 d% ]% l! N: u - tryNum--;
% X5 V1 F# z4 Z) ?( j - if (tryNum == 0) {! o6 G1 j' m; t
- // 1min6 r0 M6 L% \9 q7 `+ [" ~& M
- // ESP.deepSleep(60e6);8 F* {- I4 ]( m& ?5 G* u
- ESP.deepSleep(0);
' b, K, y9 E' S4 ?/ s1 d) | - }
( x1 f: `$ W$ @; l9 W - }0 f3 L6 d0 p) M% {
- Serial.print("\r\n");9 C7 D" _$ |0 {( ?) z' a
- digitalWrite(2,1);
6 g; O; a% H* j' a/ | - Serial.print("IP address : ");
7 c$ }+ f! {' G2 [" V8 O - Serial.println(WiFi.localIP());& h) O) s( _( h
- server.on("/", HTTP_GET, [](){
& L# Q8 u1 u4 c - server.sendHeader("Connection", "close");: e: Z% `$ O( R; d7 _: r
- server.send(200, "text/html", serverIndex);% k4 J( r, q' `3 Z
- });4 l- U3 z, s8 f$ y+ f# c4 D" i
- server.on("/update", HTTP_POST, [](){" t8 Q: E. W* B9 w# f/ c
- server.sendHeader("Connection", "close");
0 Z; w; N0 R/ D# p - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" D9 o( s# k: G* }6 ^ - ESP.restart();( U, @' V- a$ f2 c; q3 q$ m
- },[](){( Q6 h3 a$ c1 B6 [
- HTTPUpload& upload = server.upload();4 j- m" M) I1 }
- if(upload.status == UPLOAD_FILE_START){! U- u3 D# u9 ]8 Q2 V3 x* r3 s- c
- Serial.setDebugOutput(true);2 }: e3 V, F9 F& D' _5 A
- Serial.printf("Update: %s\n", upload.filename.c_str());! I* ^) i# l. I6 T( W; e& K% r$ u
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
) s. q3 L2 ?4 f" [* I$ S s - if(!Update.begin(maxSketchSpace)){6 G! `# l( ~$ E' Z
- Update.printError(Serial);
/ j- y; `+ n& H9 y4 E' _ - }
" d J: j' q8 M& B - } else if(upload.status == UPLOAD_FILE_WRITE){
6 k# A H4 G5 d: G% \! Z( W( z. c - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
, k% c' E, C" E$ W+ e6 ~ - Update.printError(Serial);. Z. W _9 t( B$ O
- }
% t2 G+ e1 U$ a- @3 _1 n8 Y6 q, W - } else if(upload.status == UPLOAD_FILE_END){! I( c1 l, s; ]
- if(Update.end(true)){, Z: y4 }- X2 s. \) v7 }# y
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);$ r. X2 z% z$ w0 q. f* S
- } else {2 K- T5 o/ {0 U; {5 x9 ^; b1 A0 X. D
- Update.printError(Serial);
; [9 f( R1 S) [ - }4 t! l0 p3 }' `+ v" x; H& O
- Serial.setDebugOutput(false);
- W; U2 V! B' f7 Q3 s' V: x" e! } - }1 ]0 Z9 ?; |4 H; W& m. u7 t' b- \3 Q
- yield();6 W4 U# {$ G0 w6 d2 C
- });* t6 Y8 j6 \: y
- . d1 n+ x \3 F' s! B6 _
- digitalWrite(2,0);
7 Y7 U2 w8 [7 M, A$ { - mainAction();
' P7 X5 p# i. X - if (digitalRead(0)){6 \- P" i% Z z2 o
- ESP.deepSleep(0);
, s4 M- X4 w v, O - } else {
3 V, r+ v7 a. k2 T s% a - server.begin();: l- ^% |# X* x
- }6 o* `4 W& c2 j, O2 |8 [- e
- }* f: L, O( h2 q# W* _; G% u
- void loop() {0 H- @9 g* w1 B" d# V# c
- server.handleClient();
. j( y( m; T" v6 Y5 ?3 A - delay(1);7 K# B" ?& r* l7 I5 P0 M
- } N2 U7 G( j. p4 k% e5 u
- String doGet(String url){
8 _1 A2 x# _. V, _ - if ((WiFiMulti.run() == WL_CONNECTED)) {& h7 R2 N6 i y; ?3 T0 ?
- HTTPClient http;8 x0 f4 N8 t d \
- Serial.println("[HTTP] begin..."); Q1 _4 w. Y5 v: b$ {
- if (url.startsWith("https")) {
# n, g: s; z) U" \0 R: A. T2 P - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
! r) Q r5 t) \ - } else { o- C. e0 I; X- R( b
- http.begin(url);3 f5 m( t6 e r6 p
- }: [) j3 O* k. x
- Serial.println("[HTTP] GET...");
; c9 ~3 s0 g7 j4 B$ h - int httpCode = http.GET();1 u7 P! G8 e7 p
- if (httpCode > 0) {) P4 d* Q) Q( ~ X
- Serial.printf("[HTTP] code: %d\n", httpCode);
, T" o' X- C5 ]8 a; b O, O2 O- X - if (httpCode == HTTP_CODE_OK) {. [4 Y. n3 l5 t) r
- String payload = http.getString();& E9 p% c* k( D, J6 t8 {0 U* D
- Serial.println(payload); U, I3 Z F) c- W
- Serial.print("\r\n");
; [' j( i# a3 i" v - return payload;
" W9 w- H& Y6 J6 j' Y" Q - }
* \$ A, L/ j9 o3 Z# O4 o - } else {
M$ l: q6 P/ | - Serial.printf("[HTTP] GET... failed, error: %s\n",# C4 N7 _9 X: p, i
- http.errorToString(httpCode).c_str());
7 d, B8 G: s. S3 h. }" ] - }
: r6 u4 `/ [) D- ? - http.end();
2 a* ^; w' ^# h" K' ~' ^' i/ C - return "";, N3 o% ]! ~( B& x
- }8 ~6 r8 t. A" W* V6 |& f
- }) v7 M+ N8 M% u, r/ l( d
- void mainAction() {
6 t0 X' }' F) i5 V6 C. A - // 发送请求
" o) Y* t, {, }7 l8 B" n - doGet("http://google.cn");
: G4 P. ~" x: G9 t# U3 z2 b - }# U% w( Y# _3 {$ r3 J( n2 u! ^8 h+ A
复制代码 |
评分
-
查看全部评分
|