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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)/ ?+ L" o2 w2 b# B! ~
- #include <ESP8266HTTPClient.h>1 I9 s- G% Q% A& ^. y: }2 ?# _
- #include <ESP8266WiFi.h>* [- U' e: n3 x" h1 ^3 g0 G7 Q Z
- #include <ESP8266WiFiMulti.h>) y9 p% t3 H' P& v
- #include <ESP8266WebServer.h>7 r$ U1 k# N* y; C
- #include <arduino.h>
( k1 p; x! r7 G0 v; n9 G - ESP8266WiFiMulti WiFiMulti;
2 k1 {; y) p& c: @& `' V - ESP8266WebServer server(80);
. [' e+ Q( W$ L3 v - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";# N u4 K3 g3 h S* O# _' I
- ADC_MODE(ADC_VCC);/ S7 p, |# V0 Y! s0 ~
- void setup() {
2 t W0 j' z* Y0 d - Serial.begin(115200);' B3 D: @. |7 n4 E3 v2 V' u$ i B
- Serial.print("\r\n\n");( H7 Z0 F2 h+ w5 z4 b4 a" ?
- pinMode(2,OUTPUT);
1 g1 Z& o- l: b) {: ~0 ^6 K - // WIFI
, n" |& H3 g9 x4 t - WiFi.mode(WIFI_STA);5 I" V q" m; @& l2 t# l
- WiFi.hostname("Sparkle");
7 o1 D1 ?* ~" H. M - WiFiMulti.addAP("wifi ssid", "wifi password");
: j k1 [1 g: I1 M8 T5 r. } K0 B - int tryNum = 15;2 ]: x2 }$ u( A$ q
- Serial.print("Connect WiFi");
% Z3 |8 C3 a! _; \7 B4 P# ^: [ - while (WiFiMulti.run() != WL_CONNECTED) {) ^9 p7 S8 {5 ~' Y, r, Z0 M
- digitalWrite(2,0);: V7 j ^6 n- P) `$ L# Q
- delay(200);: N& f6 {) o0 z% {7 }+ L2 |
- digitalWrite(2,1);9 w' M5 g. ^2 n2 K# M0 U' F% x
- delay(300);
4 W: D% J: ?; v/ S) @ - Serial.print(".");
& x W" q& _# R5 M- f/ U3 K - tryNum--;& Z2 y @5 T/ p( l" d/ L% |
- if (tryNum == 0) {
, ^' v; z7 y. R. p+ a4 O* |! D - // 1min
# b2 R$ u9 Q5 I; Q5 z+ U - // ESP.deepSleep(60e6);
$ Q7 y2 B1 P( P4 N - ESP.deepSleep(0);% h6 p9 F* P# T
- }
- K* ] Y3 i- [& l - }
0 u9 s- U% ^; K - Serial.print("\r\n");6 N& o1 m* h: A! q- L2 p2 E/ ^2 b
- digitalWrite(2,1);( i1 N& U. A$ S; c! G6 Z. `
- Serial.print("IP address : ");1 L2 J7 W; s: S' Y
- Serial.println(WiFi.localIP());
4 P b5 `8 ^0 W/ a3 r4 H - server.on("/", HTTP_GET, [](){
( Q% d: R1 ^, I2 E5 ^ - server.sendHeader("Connection", "close");8 k1 u1 u4 M$ c3 E2 y& j# q0 M F
- server.send(200, "text/html", serverIndex);
5 V" @7 X" d6 P1 D; ~ - });( Z4 Z/ w% h" C Q7 c& o
- server.on("/update", HTTP_POST, [](){+ M% X$ X0 z7 S) e
- server.sendHeader("Connection", "close");1 L) C7 b# j( E& p+ ?6 }# a; H5 ?
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
( U/ _8 N7 N& `) e) Y; t. O - ESP.restart();
) K2 i9 P) M3 H" c y% p - },[](){% P2 |0 {% [: p' l6 {" T
- HTTPUpload& upload = server.upload();
0 L, g: o! C4 O$ c* o+ w - if(upload.status == UPLOAD_FILE_START){
$ F( z2 i5 } N- Q; Y, N - Serial.setDebugOutput(true);
# d! M5 X* g0 k0 G - Serial.printf("Update: %s\n", upload.filename.c_str());* Y) L+ Z l! |+ {+ S0 H$ \7 e4 w1 T# E
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
; {8 e$ B' g/ Y9 m9 B - if(!Update.begin(maxSketchSpace)){
( O7 r" Y* d; A - Update.printError(Serial);
% P) z9 Z' x+ B - }
$ p- }8 {9 r" \1 ~; u - } else if(upload.status == UPLOAD_FILE_WRITE){
3 b5 T/ V% A9 Q6 R - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){5 B. ^; e. p2 n6 O
- Update.printError(Serial);
) P+ c& z0 z. G, n6 g) a - }9 \# B: T" s4 T& T, L6 T
- } else if(upload.status == UPLOAD_FILE_END){
6 C% I9 z6 V# _ - if(Update.end(true)){
2 x2 l- j8 J7 b" P - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, x: g- O# X6 H) ] - } else {
8 R0 @ t$ O4 J2 T! m h- v - Update.printError(Serial);
# I& q d5 Z7 p( [# g0 j& \ - }4 K# S. U) x% K
- Serial.setDebugOutput(false);
1 Z9 G8 A# a7 ~/ c0 M$ t - }
U2 L; k: ^9 E - yield();
) ~- h2 v7 x# u/ ~2 V8 L& e8 l - });
9 e% ?; M q: G' u; g; h -
L; b) s" m) i$ u - digitalWrite(2,0);
& H' N. P& l$ `% q2 R# m6 x, F - mainAction();7 R6 _. [; C0 W) N& y
- if (digitalRead(0)){5 g% Q3 l* S& X6 v1 @. ^% W
- ESP.deepSleep(0);( P$ Q# W% L/ e3 U6 }0 d7 z
- } else {
' \5 ?2 h; Y5 T2 ^7 I6 m# z - server.begin();
5 `1 R& Z$ c! X/ k" h& |7 r. W - } u/ N4 s) |2 P9 y
- }
9 ~+ P; Y3 s* f2 c8 v - void loop() {. J/ m2 k# a+ x5 D" m9 A. }
- server.handleClient();
( u7 Y8 x8 e6 ]! T - delay(1);
, J$ M* M8 b( G) o2 t0 C7 m - }
! o b$ O8 Z+ a' ^# M8 N) Y - String doGet(String url){5 `* P/ @0 i8 P8 }& m
- if ((WiFiMulti.run() == WL_CONNECTED)) {1 T; Z; p1 T8 O2 F
- HTTPClient http;
0 c+ E- t( I$ E1 l! O, k: q1 \& B - Serial.println("[HTTP] begin...");
3 T" T0 t" P! }" N5 }9 ? - if (url.startsWith("https")) {
7 h5 q* P2 H! Q z" Q* m - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
Q0 f8 j/ f/ h9 s) @% ^ - } else {4 T4 n+ h" g5 ^ e- L
- http.begin(url);5 f/ @7 s2 n! ~. O8 [! P U
- }, S5 G- S6 V9 q- F& ^6 A) a
- Serial.println("[HTTP] GET...");
z8 L: s m( l5 `7 `% E0 M - int httpCode = http.GET();* p, M: b6 H9 J1 o
- if (httpCode > 0) {. O1 c. h$ e7 f$ q% Y5 A
- Serial.printf("[HTTP] code: %d\n", httpCode);
) G! T* G5 L( c - if (httpCode == HTTP_CODE_OK) {
* e$ f i2 i- C5 T6 a3 X! e - String payload = http.getString();
& O1 l5 W* {" K& _( C" g& ~* N7 t, Z - Serial.println(payload);
v5 s* g7 v4 p - Serial.print("\r\n");
" c" P4 t5 }" Z1 e* f% o0 ?' y - return payload;
1 a4 c8 b4 q" N: z3 \ - }- Y! r7 k" r+ W
- } else {7 Q- l) J; i' z
- Serial.printf("[HTTP] GET... failed, error: %s\n",
, E1 I0 a2 U+ H7 ]8 w! k/ w U - http.errorToString(httpCode).c_str());. {" y1 y0 F/ X0 A
- }
; J. ~; |' P8 t - http.end();
?1 L& z2 c. e2 [: `+ ] - return "";
. t4 R6 a; W: _2 h$ u- |) l8 i. a2 _ - }
& [/ x( ]- l4 G+ W# \( f( S! h - }
0 g4 q3 [+ a' ?0 v5 { ~0 a - void mainAction() {' a( U3 A: A. r& R- I. f
- // 发送请求" M' e( n1 i' s3 R* |' W; L8 L
- doGet("http://google.cn");
$ x6 `$ c( J7 N' Z$ B/ Y - }8 p; d4 x$ A- ~$ i$ C; D' Z% j
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