|
|
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)4 A! o ^1 O+ s" l
- #include <ESP8266HTTPClient.h>
y. u, }0 h& @& X/ ~+ u - #include <ESP8266WiFi.h>
1 n% E, \4 @% t( r/ u( M7 L+ k+ A - #include <ESP8266WiFiMulti.h>
* J& d& a3 `9 K! A - #include <ESP8266WebServer.h>2 s: o* D. p) h/ g6 R* s' o
- #include <arduino.h>
# e; G% Q. g9 I/ W4 k+ I) b" k - ESP8266WiFiMulti WiFiMulti;4 c/ K6 S* W/ ?2 Q# N4 u! {
- ESP8266WebServer server(80);
/ L& ?3 `) L; F! O1 }1 E# r) |1 W6 y - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";; i/ `9 t* K# i' r% E: W m( @
- ADC_MODE(ADC_VCC);
2 M: R, G) t- v" H& Z7 k/ [ - void setup() {& w8 {7 l9 x. q
- Serial.begin(115200);/ o7 T7 k+ g# n$ v- { q
- Serial.print("\r\n\n");) S( `: a N6 j& k
- pinMode(2,OUTPUT);! I3 H& ?" N6 |5 y/ u
- // WIFI: u( ^+ j/ O o2 m
- WiFi.mode(WIFI_STA);- ]" h5 J( I0 r4 t/ `2 \* K
- WiFi.hostname("Sparkle");
" B( p+ Q# g) p# d* I - WiFiMulti.addAP("wifi ssid", "wifi password");9 t$ [4 t5 z: Q5 S0 }
- int tryNum = 15;
" `6 h6 q( R2 u( M# u$ _5 ] - Serial.print("Connect WiFi");, p* a% {! N9 {% o3 `- c3 d4 M1 d
- while (WiFiMulti.run() != WL_CONNECTED) {- Q0 C& N3 E$ F2 \0 h7 h
- digitalWrite(2,0);1 ]8 k0 M. i$ p7 u: c4 ~& ?
- delay(200);3 l _% o- [5 d& k
- digitalWrite(2,1);
; _* |" Q8 Q+ C" z - delay(300);5 d4 n8 o1 W N" M6 W0 `
- Serial.print(".");* f- F( L; @6 a
- tryNum--; K' T* U% h' ^$ E! M3 ^" ^* S# ~
- if (tryNum == 0) {
* r1 U/ N/ t: h. F$ u - // 1min& o! e6 |/ z* l5 d1 B' q
- // ESP.deepSleep(60e6);
* ~5 j. J! |; U' h4 ] - ESP.deepSleep(0);
7 \! E, V8 h1 h! x4 k' u" |. E - }6 R2 U% G2 |6 n: L# T" l
- }
* q& h& B, D5 @9 V4 D - Serial.print("\r\n");
9 p2 N' C0 Y, A& t( H - digitalWrite(2,1);
& e# X( ?3 |7 D1 h, U$ k - Serial.print("IP address : ");
$ ?( _" ?6 E* J% P' N' d - Serial.println(WiFi.localIP());
( A2 d- C& L% Y0 c' B - server.on("/", HTTP_GET, [](){
: m1 G( p5 p1 X - server.sendHeader("Connection", "close");
$ _, p6 ]$ m+ f8 s2 B - server.send(200, "text/html", serverIndex);
& k/ C' ?5 h6 b - });
o) n& O% B! |) k - server.on("/update", HTTP_POST, [](){
2 @# H. A% @4 g3 J5 d' p - server.sendHeader("Connection", "close");+ h9 f: ~1 \9 H
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 \9 ?9 m) R6 v - ESP.restart(); V, a @+ A8 j- g
- },[](){- v$ o/ \' n& _- D, o' H( R1 ~
- HTTPUpload& upload = server.upload();" c/ i3 _: k0 N
- if(upload.status == UPLOAD_FILE_START){# I1 F- I( L% {; f v; {) e
- Serial.setDebugOutput(true);
( b" H* g* k' k& p# h. I - Serial.printf("Update: %s\n", upload.filename.c_str());
9 h4 X8 H8 E+ o0 z - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
. }% c1 [0 d! r( A! X - if(!Update.begin(maxSketchSpace)){
0 X$ u1 g1 ^5 k! W - Update.printError(Serial);7 l/ F% t: s2 ~3 \" M% R% G. R
- }8 s {4 V5 @; J/ p: N: g+ V: U/ e
- } else if(upload.status == UPLOAD_FILE_WRITE){
8 l( e% u- y7 o5 ~ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
+ i4 i- E8 G6 O4 D7 Y - Update.printError(Serial);7 G4 ^3 [; j4 M5 q9 U+ @2 b* ~
- }) o. i7 R* J8 `& J* E. }8 W" O
- } else if(upload.status == UPLOAD_FILE_END){
3 |7 V" h; ]$ \+ n" O - if(Update.end(true)){+ }2 a0 q1 I4 W% n9 B9 a
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
I. F8 d% r4 M3 A6 o0 C - } else { t; }5 ]" e2 t1 l
- Update.printError(Serial);
# Y; [. F* e+ A' ^; n3 u% N# K - }
! v' y! `( `# F7 X" g2 j8 B - Serial.setDebugOutput(false);/ `7 ?0 ?! L2 s+ J1 c
- }
- `( V- P1 {( N& E% e - yield();% ~# W( ~& @* r$ E$ {8 v+ ~
- }); _1 B' F! F# j: ?4 B W' q. u
-
8 `9 i9 v0 s9 Q6 k, D* ^* X - digitalWrite(2,0);
0 p) j6 R" f- F - mainAction();, t# Y {7 e. j# J- g; D
- if (digitalRead(0)){. ?3 m! c8 c( o* e/ @5 E
- ESP.deepSleep(0);' n& w2 Z" T. @5 E5 L/ Q
- } else {) w, a* z: {5 |8 L8 ^$ R
- server.begin();8 d: w" }" q5 j, h* d- i
- }3 _% R* k8 @+ a; r# ~% A8 R, i% ^
- }7 I2 n+ q& S+ {. o2 P% j$ t
- void loop() {% u. S# x: P; n+ |
- server.handleClient();7 w! N( c/ K* F. d, O- q
- delay(1);
: s ?& r U5 h6 F) C6 G - }
$ c3 E$ Y! H/ h/ w% K& L6 I - String doGet(String url){; o3 r% W. A& a
- if ((WiFiMulti.run() == WL_CONNECTED)) {
% x5 i" \. e0 o+ p6 e1 d4 I& P - HTTPClient http;
3 V; y: O, x1 T' T# H - Serial.println("[HTTP] begin...");2 L& W& n9 D+ x- Z: V8 F
- if (url.startsWith("https")) {( y4 d ~- g I* ]$ x% V" C- D. N
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");8 I) \' w+ Q _% L9 s: Q
- } else {, g; C% t g1 y, w: ]/ ^
- http.begin(url);+ J9 G7 w$ D6 M9 v* X
- }
1 ^, \1 V1 i1 X! c, X8 `+ Q - Serial.println("[HTTP] GET...");6 O o: V# |; @. t/ M" a
- int httpCode = http.GET();/ ^- |/ \; k3 i+ c. M5 J9 Q' Q! K
- if (httpCode > 0) {
3 P& ]; k( H5 P! C - Serial.printf("[HTTP] code: %d\n", httpCode);
& v) m% I# e/ I0 q1 j) T - if (httpCode == HTTP_CODE_OK) {8 C$ j: u) z) C3 R5 l9 V& Q) M
- String payload = http.getString();+ e- X9 m0 o2 ^* o
- Serial.println(payload);$ n/ I) O7 z) Z4 a a
- Serial.print("\r\n");$ M; u) e8 I3 {# y+ `, r) l4 N
- return payload;
, P B' J# \* Y. S0 k$ M2 b - }
! e- o* _0 `0 V7 Y' J7 I - } else {; ^. o( i, A% j! U7 F
- Serial.printf("[HTTP] GET... failed, error: %s\n",
% p7 w* g! S! `( f- C - http.errorToString(httpCode).c_str());
1 ?, K$ y( r9 V9 w2 z L/ Y - }0 s! \6 w% ^8 k1 D& T" ~( A6 F; C
- http.end();
( {3 T: _3 T* f. o0 h - return "";$ [+ a! e; x+ m6 P t |9 ^
- }* i& }0 ^7 L4 {3 G: y1 |
- }
! i, _8 F! H7 t. q9 T - void mainAction() {% F: k2 Q E# A0 ~3 q. h
- // 发送请求
' J- C' h) \7 {0 g( ^* w- j0 j - doGet("http://google.cn");( H: c0 f2 T' ?; G; p+ _8 P; k
- }
' q+ T5 ?1 w( { P( \8 _% B( l
复制代码 |
评分
-
查看全部评分
|