|
|
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)% f6 D; y+ B. a" q; ?
- #include <ESP8266HTTPClient.h>' L C& H7 ~! o# j- k! V& _
- #include <ESP8266WiFi.h>
) g7 X' L2 H2 @ s" Z! i - #include <ESP8266WiFiMulti.h>
8 R f# W* p) Z* H# k - #include <ESP8266WebServer.h>! p. W& T) W" U" t K& W# w7 C1 ]
- #include <arduino.h>1 N6 K( ?0 B1 A# @2 i
- ESP8266WiFiMulti WiFiMulti;
: ?9 d& j# @* _0 A - ESP8266WebServer server(80);1 v5 Q3 w2 Z& C7 w* |/ i* q6 x, I& g
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- w+ _2 \0 [, R B# ~3 o: s
- ADC_MODE(ADC_VCC);9 D6 T" Y2 j' q% j. ~
- void setup() {
6 O C7 E2 Q; S6 y9 t X8 v( O5 @ - Serial.begin(115200);( Y" {3 a. |$ w7 C4 N7 R0 s
- Serial.print("\r\n\n");# a5 I' X: P& E% h5 R
- pinMode(2,OUTPUT);
$ S( J- n% O+ r: V - // WIFI
/ y2 X) a# J: D2 S - WiFi.mode(WIFI_STA);
* M/ w& O" m: _) T4 \. A - WiFi.hostname("Sparkle");
" X* Y" U$ g; c+ M6 M' }# k. _- n - WiFiMulti.addAP("wifi ssid", "wifi password");9 r, s+ X) u$ D
- int tryNum = 15;1 i B8 F) D" d9 @ Q5 u& y( C/ d& x
- Serial.print("Connect WiFi");9 s# O0 T0 y; d0 u0 W% \
- while (WiFiMulti.run() != WL_CONNECTED) {
/ D2 Q# u' z! R4 @/ X1 {: M - digitalWrite(2,0);' m: n" x s5 t
- delay(200);
, `4 _9 J1 J. S" n4 E+ f4 ~ - digitalWrite(2,1);) @7 j9 F; x8 R/ \% o6 t% N
- delay(300);
2 ]% x- _* ?. H% F; z - Serial.print(".");
/ Z; h2 ~+ `: W. ?( Q - tryNum--;
$ _, K" u- P. t: n - if (tryNum == 0) {' D& X. w, P) z
- // 1min
1 j U- C( N5 c- M+ { - // ESP.deepSleep(60e6);
6 g& }7 f+ Y, V# l) j" z: m9 Y* E: p# y - ESP.deepSleep(0);
/ G1 Y |( \! k! Q - }# ^' O; @0 R/ T* y( r9 v
- }
* V+ m; t, }, F/ y( y - Serial.print("\r\n");, T8 k* x* d, @
- digitalWrite(2,1);
. K$ T4 z2 I+ k9 u1 }( y1 u- i) x - Serial.print("IP address : ");$ x0 S+ k: G1 B( [. y
- Serial.println(WiFi.localIP());4 }( @- ^- U( W& y6 ]6 a5 a
- server.on("/", HTTP_GET, [](){8 _8 `* |6 R( w+ G) q
- server.sendHeader("Connection", "close");
; V! p* l( L8 z; {3 ^- h0 ^3 { - server.send(200, "text/html", serverIndex);5 {. V1 H; E3 X! H5 ?) H0 n9 O
- });
1 y( s+ l; m6 S3 S( B. R - server.on("/update", HTTP_POST, [](){. O0 m I1 s2 c
- server.sendHeader("Connection", "close");
0 N7 j' H0 r2 b) M) j! P0 @ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");$ M! o% J; v" x; i
- ESP.restart();
+ b/ C; ~! p1 E - },[](){
; j4 T4 F* }, K O - HTTPUpload& upload = server.upload();7 Y0 j' m: |1 C- `# x
- if(upload.status == UPLOAD_FILE_START){
0 I z/ v ~. u5 C" |) d - Serial.setDebugOutput(true);
8 g3 w& f d2 G5 W- W# j - Serial.printf("Update: %s\n", upload.filename.c_str());8 Z Y# a! u; g( j! ?
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
' u4 \- D/ e" H s2 `8 `+ Y( B# g - if(!Update.begin(maxSketchSpace)){
1 }! _$ J* E* `9 x$ _' |+ i - Update.printError(Serial);# U6 ^/ m1 b/ P- ]4 A$ v
- }) p, e: p/ w( J! g3 P p
- } else if(upload.status == UPLOAD_FILE_WRITE){
) r# _7 n9 q4 O$ q d+ @ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 j# c4 t' f3 t; W. ~9 h4 p* ` - Update.printError(Serial);7 |8 v" ~* ? s
- } p B A" F" H1 P. U+ P
- } else if(upload.status == UPLOAD_FILE_END){4 M: Z* m* p0 I( r
- if(Update.end(true)){" _% k T6 [" [( u4 F% C, L3 K
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);: K! E5 ]# `, ~+ v1 y ~* |
- } else {
3 j7 O8 M" w, c* X* _' k - Update.printError(Serial);
+ A& E W" g) n/ K - }
: ~7 {! r3 }' I' ] - Serial.setDebugOutput(false);
( [/ E8 n1 U, ^0 r8 A; T c" G - }
+ m* [+ i9 _" D6 y! T$ Q - yield();0 ^. J" Z) n; \! T B. B* F" {
- });2 j; u, z: j( m# F+ n
- 9 P$ y3 g6 \3 X* a
- digitalWrite(2,0);
. \4 r, c' p( _, ~+ u# A9 ? - mainAction();" ^1 R6 w8 J! H S
- if (digitalRead(0)){' F( N# S7 F4 I3 c
- ESP.deepSleep(0);
8 e6 b* n$ M& L5 @# ]& J3 } - } else {7 r4 f# Y, N9 L4 m
- server.begin();" F) h7 K1 v* S, {. b
- }
/ B* B" O4 Y7 u2 F) u0 W - }
$ B) x, j5 p9 D4 I) O( v1 { - void loop() {, r9 J9 j0 R) k" @1 g; n
- server.handleClient();9 B, j* M6 W& U6 I5 t
- delay(1);6 f/ T+ w4 E9 t0 C4 y
- }0 ^1 i# n$ Q2 V" ]$ l. c
- String doGet(String url){" z* I! g) g) t2 q' i( ]; Z
- if ((WiFiMulti.run() == WL_CONNECTED)) {$ _* W: B9 n: j5 A* u
- HTTPClient http;5 A' ?1 K: ^5 Q! o( g7 e7 J/ \0 e" i
- Serial.println("[HTTP] begin...");" q" j0 [9 ?0 ~* _- M
- if (url.startsWith("https")) {' T5 B1 b i G7 g: G0 `
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
: F! B' O/ _( K( t { - } else {% K8 u4 b& D ?3 L4 c3 A/ @7 t
- http.begin(url);& O$ B4 t% h$ R3 Q) W
- }/ ?# y+ ]% _8 w
- Serial.println("[HTTP] GET...");
6 |+ T' L# q% p% `- v% X- E6 w( f - int httpCode = http.GET();+ r: N4 x& M" F4 {1 j0 h7 }2 m5 \4 S
- if (httpCode > 0) {
! Y. ]8 W) ^* U( ~$ |* p - Serial.printf("[HTTP] code: %d\n", httpCode);
" G I$ U& ? H - if (httpCode == HTTP_CODE_OK) {
6 s4 ?" k+ X6 @$ V, [ - String payload = http.getString();
' _. I* [5 n! T1 o( c( e - Serial.println(payload);3 {5 F, \' g% I* c5 {
- Serial.print("\r\n");
" `+ E: `6 T' X0 U- @ - return payload;, x) p* Q. w+ A9 W- W, f
- }
4 _0 b J- B; Y, m0 _- v - } else {
+ M& N: [# I5 k8 O* v% P - Serial.printf("[HTTP] GET... failed, error: %s\n",& P9 c7 Q; m# M) g" f3 L9 T( S C7 G
- http.errorToString(httpCode).c_str());7 Y7 G/ d; Z4 x
- }
8 ~0 Q! C" w, p. C1 E3 E1 a( Z - http.end();! j ?3 M2 W( m$ v
- return "";
9 l D \& A1 v5 y) R* z4 M- y' g - }3 j+ o6 t; [9 p! J# r- X% R
- }
9 W* Y& o7 U9 v, n$ k' V$ x - void mainAction() {
5 i3 E4 `$ i1 @) E8 M - // 发送请求
. |& s& X: b- W7 C8 o2 j- Q" F. s7 z - doGet("http://google.cn");
: E( Z6 K) j2 I8 ?5 U9 i S: i - }
0 P- A) |" B& V( c' i4 b/ c; b
复制代码 |
评分
-
查看全部评分
|