|
|
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)
7 f) r; Z8 z) w$ p1 Z' K w# s2 |- #include <ESP8266HTTPClient.h>
( o# Q5 ?+ d3 D - #include <ESP8266WiFi.h>
; Y+ r+ i: w0 G, R, |0 G4 u% y - #include <ESP8266WiFiMulti.h>
% k6 E2 M! F/ L9 ^ - #include <ESP8266WebServer.h>
L: u' \# s d$ m - #include <arduino.h>
; B. y0 _6 c" V5 S. D - ESP8266WiFiMulti WiFiMulti;
9 d* U% _; w' O, A - ESP8266WebServer server(80);
$ e7 p" J, t) k* N, ^. h. a* b - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
4 K5 e1 V2 J7 }0 d0 d r( k - ADC_MODE(ADC_VCC);
& q) I1 [$ z I+ E9 R* W2 s - void setup() {/ v1 {' a9 e; ?
- Serial.begin(115200);: u) i0 M9 `. {6 E1 u; W
- Serial.print("\r\n\n");
/ A+ {& Y' t9 E# ^- t/ Y$ g" Y6 h - pinMode(2,OUTPUT);
& b* u9 ]& N+ C; T - // WIFI5 ]( O2 F$ X/ s3 E
- WiFi.mode(WIFI_STA);0 m. h# h5 \4 X" D( u
- WiFi.hostname("Sparkle"); S8 D g: D) k- F: o9 C/ D
- WiFiMulti.addAP("wifi ssid", "wifi password");. t; Q- o/ m6 p1 x4 Y4 e8 K
- int tryNum = 15;
7 [+ s9 W+ |2 l6 N - Serial.print("Connect WiFi");0 v9 w8 J6 m }, L s
- while (WiFiMulti.run() != WL_CONNECTED) {
5 b: V: u! N6 }% w# E - digitalWrite(2,0);+ O- s3 m( u- p7 p! s, v7 x/ p9 Q1 r. @9 i
- delay(200);
& u0 V* Q: Y w6 Y5 @' e0 s - digitalWrite(2,1);
) J) `0 j( l1 q; p6 b' k - delay(300);) G4 M1 d/ V. @5 a
- Serial.print(".");" G! f* L F9 Z7 W
- tryNum--;* U0 m# Y2 e! n+ {' o
- if (tryNum == 0) {
& R. _0 \4 r' `8 u0 ]- K - // 1min% C5 V8 A% l5 V: t9 b& y% E z
- // ESP.deepSleep(60e6);# S- m% ?' a, J; p6 x6 }
- ESP.deepSleep(0);" Y$ q+ i' i2 `6 h& z" q9 v
- }
& y3 F2 B! f" a8 h - }( z) M( ~- ~0 C" P. I
- Serial.print("\r\n");& \9 e; w8 D5 a8 q
- digitalWrite(2,1);
7 Y1 ^& [' t6 J, ?2 N - Serial.print("IP address : ");. w) k- K7 {) `
- Serial.println(WiFi.localIP());
3 C* d' z; w1 T' { - server.on("/", HTTP_GET, [](){: ^' p" ^+ a3 V8 W" D t" l
- server.sendHeader("Connection", "close");
1 m# j; @, y# c6 J) }8 X - server.send(200, "text/html", serverIndex); E) `/ i6 h5 F" x4 |
- });
$ L( w% u* D' b S/ k" N' \: u - server.on("/update", HTTP_POST, [](){( d' e+ s7 E# a# B5 C
- server.sendHeader("Connection", "close");5 ?$ R- z* b' |% h4 b6 i* u0 D
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");6 ^3 Y3 `, n' N! G
- ESP.restart();
- Y( a1 \% z, K4 L( X - },[](){
+ _' j# j, q" n: l3 h) K) D - HTTPUpload& upload = server.upload();
- N7 e' |8 l4 B5 ^; f& \ - if(upload.status == UPLOAD_FILE_START){
: e, T7 Q" `6 h( @3 p; M - Serial.setDebugOutput(true);( y5 {3 n/ V, `2 f& G2 R& G' F
- Serial.printf("Update: %s\n", upload.filename.c_str());& x7 @# e/ ~- ^2 B
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;' T# F1 @; N; y+ a8 |2 X
- if(!Update.begin(maxSketchSpace)){
- u y/ ]% K8 ]4 e; C - Update.printError(Serial);
# @0 ?8 E: r% S. y4 m$ B: v - }
9 {/ T: J5 i) w0 P/ H3 Y) V5 J+ P - } else if(upload.status == UPLOAD_FILE_WRITE){
5 I, M- ?# o* w: v0 k - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
4 h. S$ d* c: c0 }# w - Update.printError(Serial);3 `" W% K m# c9 V7 G8 R! V' {
- }
1 K# A4 c0 H( D% _3 A! }# k - } else if(upload.status == UPLOAD_FILE_END){
" p' e- k7 Z" q! S ^, j - if(Update.end(true)){
' I1 C3 ?! t! y d" f5 S2 y - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
7 C+ X+ l. G) r+ d3 Z - } else {/ }+ @7 y2 z5 G) P3 Y
- Update.printError(Serial);
* x! H. s, l3 D: `8 a - }
( p5 `! {2 t6 q) a" y" N - Serial.setDebugOutput(false);
/ x ?) {, Y( W6 r+ S0 b - }
: J2 p( p. a/ N% o8 w3 Y - yield();
1 j/ c5 `6 @' E6 K% G2 Z6 _! z - });
1 n7 l6 K) K1 A3 ~ -
, h. G) p7 ~7 W z+ G - digitalWrite(2,0);
* M8 t; r# q; M# Z - mainAction();
: v+ D1 h6 @/ ?8 e - if (digitalRead(0)){' J# i3 D" W* y+ x9 Y
- ESP.deepSleep(0);1 S: W* E+ |6 y; e$ U
- } else {3 A. ?7 g) S4 s3 j7 u. A- `* `/ {
- server.begin();
; u V# B# B7 [1 ~1 q2 ^ - }; B# s2 X* Z% F$ Q/ a! T7 s
- }
3 k9 n9 m' i( |8 c* d0 u - void loop() {, \8 s4 z# N6 b: {" C* ^
- server.handleClient();
1 B1 w4 Q' C6 }# E- Z' k' G) R - delay(1);( T# f/ z8 \' ^
- }% g( X2 y# V( ^) c
- String doGet(String url){
}. ?* D {9 K" l! i# S$ D8 i - if ((WiFiMulti.run() == WL_CONNECTED)) {! r' i/ S- K, I6 a
- HTTPClient http;
) U- T2 t' _+ p* P - Serial.println("[HTTP] begin...");7 c& b p4 C; _" t
- if (url.startsWith("https")) {- Q: p: `9 Y8 j9 \5 ]0 `# j
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
% {& ~& B, `! N, d - } else {
$ i$ @; n" \$ O3 m8 x! X - http.begin(url);$ y0 H8 g2 t# M" |* [5 x# U3 t
- }
3 x! s2 E _' ^. { - Serial.println("[HTTP] GET...");
7 Y/ c; W |" ] - int httpCode = http.GET();
9 S4 \; Z7 a, ` - if (httpCode > 0) {
. n& e( }3 S; @6 C# H, `/ q9 j - Serial.printf("[HTTP] code: %d\n", httpCode);
- D; a( x7 G9 T - if (httpCode == HTTP_CODE_OK) {
2 N. k" k, ] x9 B - String payload = http.getString();
+ @$ v8 [4 x. l8 x) Y7 M3 i - Serial.println(payload);
6 P( a5 C: w# P5 ^+ c2 W# o - Serial.print("\r\n");2 t9 f' _; K4 Y' K6 o3 X
- return payload;
+ A& X9 R+ g5 y5 b9 v6 e - } ?% S* w6 C8 E M i0 o) P% Q
- } else {
( ?0 n+ E* r" Y2 `3 C' `1 P - Serial.printf("[HTTP] GET... failed, error: %s\n",6 m7 F0 M% \: z: I. }
- http.errorToString(httpCode).c_str());0 f3 ~* _0 I: [6 _1 |
- }
) o O5 i1 o3 U$ f+ \2 l/ F( J$ N: r - http.end();
( u0 }6 O A7 w3 v4 A - return "";0 _9 R2 ]2 H& _* D% z9 D( o
- }: T4 l$ f1 [% P9 w8 q: O4 ~
- }
: A6 u& |! _5 O' |# r. ]; k$ m% k - void mainAction() {
5 W4 n3 p" u$ W4 V+ e& x$ B - // 发送请求
( @1 {: G7 x/ [) E; I( y+ {5 L; Y - doGet("http://google.cn");0 l! P$ k E) Q
- }
1 t6 M0 G1 I1 U6 w1 V
复制代码 |
评分
-
查看全部评分
|