|
|
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)
. U9 P9 c$ u' v% Q/ W- #include <ESP8266HTTPClient.h>0 y8 p/ \. _6 E
- #include <ESP8266WiFi.h>7 _9 \, M1 n4 [9 C+ \7 p' `
- #include <ESP8266WiFiMulti.h>3 o' h* W/ X- F8 H, f- J
- #include <ESP8266WebServer.h>( O5 a! j% X7 ^8 a: f- ^# h
- #include <arduino.h>
6 o" _" V0 k4 |8 s - ESP8266WiFiMulti WiFiMulti;1 Y& y& ?" ~) p7 w, [" j
- ESP8266WebServer server(80);
7 o" w( z% ]! q1 L! P7 M; U' ? - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";2 _5 [- B$ s% b* m! R, U
- ADC_MODE(ADC_VCC);) t: [2 F. @& F% Y+ B
- void setup() {9 s% |2 P% J( a6 P
- Serial.begin(115200);6 l# |% Z6 H; Y( ^- i' @
- Serial.print("\r\n\n");
* J+ A, F" ~$ D: _8 x8 a Y - pinMode(2,OUTPUT);
- h) P' z0 M2 H2 m! f5 u - // WIFI! Y6 p: u' r. h2 Y' F
- WiFi.mode(WIFI_STA);
! g) \1 A8 B2 v2 q9 w - WiFi.hostname("Sparkle");
2 X# L0 i8 @! w9 T0 Q' [; q - WiFiMulti.addAP("wifi ssid", "wifi password");
' V* D) t; U+ P% O) A' { - int tryNum = 15;, {0 m6 S' N7 ]+ K8 h5 b
- Serial.print("Connect WiFi");
, L) R2 q( N+ ^6 ^* z - while (WiFiMulti.run() != WL_CONNECTED) {
5 ?4 \" u, Y" `; u; r. `/ Z% T - digitalWrite(2,0);
1 H! F; h6 {0 ] - delay(200);* {9 z5 D, K7 B, J4 ^+ o
- digitalWrite(2,1);" P6 W Q2 K0 f3 k
- delay(300);
! R' H+ A$ y( k - Serial.print(".");
6 M! ]; U) k! W- T: Y - tryNum--;
1 W$ v" y5 k W3 I - if (tryNum == 0) {
+ M: _5 |5 C4 P+ Z - // 1min
( I0 ?3 H* d: i" }( ^2 E: o- H# | - // ESP.deepSleep(60e6);
! `. Y3 d+ I& [( `4 B4 C# w - ESP.deepSleep(0);6 @% g8 A* I! H( w+ I4 H1 H
- }1 L. q5 [8 a" p; g7 P3 G
- }, S6 X F" A M3 @6 j
- Serial.print("\r\n");
4 G3 o0 f' m" F: I7 t% e/ S - digitalWrite(2,1);% A1 ~7 P0 m4 X" p* L
- Serial.print("IP address : ");$ r+ A) {( Z# |, e5 N. `7 |# Y
- Serial.println(WiFi.localIP());9 l& U4 W: [+ ]
- server.on("/", HTTP_GET, [](){1 R; l5 Q" w; h$ `8 B" _
- server.sendHeader("Connection", "close");6 h6 P# P9 z9 h" p5 Y9 r- s
- server.send(200, "text/html", serverIndex);
7 s) Q9 U9 o" A. r/ B4 ~9 u. I - });
" l: b4 Y1 S* O6 H) l - server.on("/update", HTTP_POST, [](){: o' b' h6 Z J5 z) O
- server.sendHeader("Connection", "close");
) H6 B, l. J( C$ u - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 k6 |5 X) _ z `% g! w - ESP.restart();
2 d3 M* V ^/ z4 z - },[](){
9 L |% E$ f( _5 N0 K - HTTPUpload& upload = server.upload();( ]4 \* y" k6 Y, k( K
- if(upload.status == UPLOAD_FILE_START){' c; x b$ z. Z0 J5 R2 o) f$ i# g
- Serial.setDebugOutput(true);
3 ^5 c Y5 g U: i4 K: @ - Serial.printf("Update: %s\n", upload.filename.c_str());
7 Z1 h1 S& R6 u2 h1 H& C8 T - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;8 E" c$ y5 D7 X( i" f
- if(!Update.begin(maxSketchSpace)){& o" M$ Z/ H) S- M# R! A9 ^$ ?- j
- Update.printError(Serial);6 ~8 a" O! u! a" `, o1 P2 g
- }, z4 J7 }0 |+ e0 h; V
- } else if(upload.status == UPLOAD_FILE_WRITE){
( v/ c0 W* o2 e3 W* h6 N& ^ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){5 h6 E9 J, `$ l, s
- Update.printError(Serial);4 y l4 s* X! n( ~
- }6 ]0 A. _( L0 {. |- V# y* S J& K
- } else if(upload.status == UPLOAD_FILE_END){
5 m- ~6 p6 u. |5 v L - if(Update.end(true)){+ b- s8 \4 N9 _. }7 S
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);! @0 d5 n, B: n2 I- b
- } else {& [* [% g# x, X A8 J" U% \# U
- Update.printError(Serial);
. }+ U2 ~8 O9 M/ w2 U% r8 I) d$ m - }
) _& y1 `6 B. U0 p, A - Serial.setDebugOutput(false);/ c5 e" N m4 ?. K# P# e
- }
! Q' G! @6 R/ Y6 c6 P - yield();2 ?/ g; [8 r2 Z2 ^% A0 S: e
- });
4 T, i" G: a2 N. _2 D2 f! X -
, Z. w: b. V- a; i- C - digitalWrite(2,0);
& S0 D9 F- n+ J X8 T& }: B: o - mainAction();$ P; [) h9 F- H; q
- if (digitalRead(0)){
! R# O& B% B. N5 e - ESP.deepSleep(0);
& x2 c- p j5 F$ r. X) f - } else {
6 n. M8 K8 u9 r6 b) T: T& h5 u7 t0 W - server.begin();
o% M M% X- b7 y8 C8 W - }
5 h8 |$ z' C( b0 K" u, U3 p- { - }
9 P/ F1 [6 `: e! T. M - void loop() {
+ K, C& f8 t0 E5 ?- u - server.handleClient();
; S G/ F' x* ?( i- M5 } - delay(1);# Y4 r# k' J. @" \% u) i
- }3 u( D) g: l2 l" q! u9 v, Y& o. F
- String doGet(String url){- A4 A' x3 h6 A6 K; p% w
- if ((WiFiMulti.run() == WL_CONNECTED)) {
( I) |) T! D H+ c- t1 O - HTTPClient http;
( _' j/ d6 E! L3 R! @2 A) Q - Serial.println("[HTTP] begin...");
; ?( h0 \" _$ A8 E' Q- G0 A1 C- w - if (url.startsWith("https")) {8 q3 @. z) f/ |8 ?
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
) n1 @) O) i, N7 m/ { - } else {
" i% W" g% i: \' @9 M' q7 h - http.begin(url);
7 j5 d6 Y% G$ b) R/ u. q+ E - }% }, V! D i8 N
- Serial.println("[HTTP] GET...");( z) ]$ K1 \' J/ E9 i
- int httpCode = http.GET();' s% C% F ~' {8 W
- if (httpCode > 0) {0 K! [. ^8 B2 P% j+ v1 Q N
- Serial.printf("[HTTP] code: %d\n", httpCode);
' v4 m- M& J" b, D( t - if (httpCode == HTTP_CODE_OK) {
. \6 d: A) w* `4 w! S - String payload = http.getString(); ]: f$ r& m" U2 ~+ }$ H# Y0 a
- Serial.println(payload);. _4 `; {. Q! R# \( P8 {5 m. n
- Serial.print("\r\n");
$ N6 V6 H4 P3 ]( i( }0 ]1 C3 | - return payload;9 k# y0 T4 \/ Q; ~# L
- }
: K2 y5 _3 o7 l6 ]0 Q k- d - } else {
% x5 v, r' S- }1 y - Serial.printf("[HTTP] GET... failed, error: %s\n", Q: Z% f8 W0 K) d
- http.errorToString(httpCode).c_str());
; d- n9 b8 `# _, B* ?: \2 Z - }
4 l }& ^" A) X! E: h8 { - http.end();
! I2 e: G+ j- a - return "";, C! b3 S+ E/ Y
- }
' G3 ~. c) x1 `8 P - }
7 `2 S3 M: m) c8 o) B' w/ P - void mainAction() {1 H1 b* S5 _2 x# y
- // 发送请求" ~# n& W! A5 {' e
- doGet("http://google.cn");
( Q5 q6 Y! E+ e0 { l - }
3 G4 ~! b; d7 n7 z0 A
复制代码 |
评分
-
查看全部评分
|