|
|
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)
2 e; S) P4 o& u9 R% j1 [- #include <ESP8266HTTPClient.h>
6 B. S9 w1 c) g& h. z - #include <ESP8266WiFi.h>) q6 o. U/ n0 c* z2 U. y
- #include <ESP8266WiFiMulti.h>
1 w: E% @3 b9 j$ _: f& t - #include <ESP8266WebServer.h>! H& ` y. T7 b5 X/ n$ ^" r! L
- #include <arduino.h>$ p' [! m3 d- D) `& @. ~
- ESP8266WiFiMulti WiFiMulti;
- V, ~5 O: L1 I7 a- n. L- } - ESP8266WebServer server(80);# e8 ^& x' _: g
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
+ \+ p) d9 Q/ ]# l9 m - ADC_MODE(ADC_VCC);
- C: {9 f E% Z' ~7 t" Q- y - void setup() {% V% k( k# O7 n0 @
- Serial.begin(115200);8 h1 L( Z0 }: C2 ?# f9 B) J4 S
- Serial.print("\r\n\n");6 s* B* H! Q" z
- pinMode(2,OUTPUT);
3 T+ Y b; [ x+ ~$ r+ P - // WIFI O+ x: g* ~2 s; y2 D* ~
- WiFi.mode(WIFI_STA);
6 k* _3 M2 T; t7 }, { - WiFi.hostname("Sparkle");
0 i) c2 H! \; ^/ _ - WiFiMulti.addAP("wifi ssid", "wifi password");* @' i1 {6 o- `1 y' p
- int tryNum = 15;. _- ~' a- v) L. _( M
- Serial.print("Connect WiFi");7 _0 J& u$ b/ |9 h7 i
- while (WiFiMulti.run() != WL_CONNECTED) {
B$ c2 b& o$ d9 F* x: \" `" L5 c - digitalWrite(2,0);
$ Z9 C W z; R+ y - delay(200);* i/ Z2 Q3 y( X0 N) t0 W$ e
- digitalWrite(2,1);
6 d7 B4 y- x& L$ v& v - delay(300);, w( r# g# O* K" u+ y5 z
- Serial.print(".");8 ~: u( d8 d1 g: x$ ~
- tryNum--;2 a+ B8 Q6 d# u9 T. |% z! P
- if (tryNum == 0) {
* f: b; t$ c% k$ Q* K - // 1min
; l; t; D. R0 q* q+ @ - // ESP.deepSleep(60e6);* z; n" G& f/ ~
- ESP.deepSleep(0);
) t+ ]- o! ^ ~8 J# }' o. j# e" J* S - }
& m& W& N! w7 @2 y% m3 u0 S8 Y - }8 o0 S# Q5 T/ b$ c
- Serial.print("\r\n");4 b0 Y6 P) E4 C
- digitalWrite(2,1);; u2 Z0 S. m2 R7 [6 X5 u7 ^
- Serial.print("IP address : ");; @, n4 i9 p! ?
- Serial.println(WiFi.localIP());
% U! {, @* ?, b: c" ^, A - server.on("/", HTTP_GET, [](){0 c8 ~1 w I; r/ D, [: K' n( N3 T
- server.sendHeader("Connection", "close");
( N. t& s. y9 X9 | - server.send(200, "text/html", serverIndex);- m% t: z3 m! u, B3 Y; c
- });
; p! |" c/ f) i1 F( `' S x& Y - server.on("/update", HTTP_POST, [](){
1 b/ G- X5 I1 u* l0 V( Q. r - server.sendHeader("Connection", "close");
- z2 _4 U4 l: P0 O2 K/ n - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");6 A! p1 N# a+ s+ \9 j
- ESP.restart();
3 B* c0 c7 s& e# b$ n - },[](){# T! P0 v: {7 ]/ ^# M3 Q, z H
- HTTPUpload& upload = server.upload();8 W! j* O% F8 \) x, ^- ?; \2 w
- if(upload.status == UPLOAD_FILE_START){8 ~- f: p' f) V' G
- Serial.setDebugOutput(true);( t1 t7 X' x e$ y, J3 A. L
- Serial.printf("Update: %s\n", upload.filename.c_str());+ j3 G9 ]8 [- `% R/ S: [
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;& b% w" K# R. _. S9 P% ^! Z6 Q
- if(!Update.begin(maxSketchSpace)){
2 p: D9 l, w' O. T: m* W5 u - Update.printError(Serial);9 \) T$ {- f+ D: q6 Z) Y1 {
- }" C4 {9 B. a) p4 R$ o
- } else if(upload.status == UPLOAD_FILE_WRITE){
: Z; v; r+ B; G* U - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
, |. S7 ~( V" j - Update.printError(Serial);
: n. \ U2 [# }+ C3 o# s, K - }
$ C \9 v' D( ^4 N - } else if(upload.status == UPLOAD_FILE_END){
1 I6 |' y; g+ S% H" {, E9 U - if(Update.end(true)){
9 C* g, u/ K3 x/ w: } - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
. P0 T" V0 s5 D; { - } else {: e) }1 p* V4 p
- Update.printError(Serial);
- ~1 n; x f" e - }2 i# X1 E9 t4 x( {; B/ p
- Serial.setDebugOutput(false);
' G8 C% N1 Z3 j( A& m# D$ |8 O! t - }' @9 s6 n5 J7 S
- yield();8 L+ G+ j8 k0 Q7 _, c \
- });
" Y- u% S8 \' a1 E: b* t# o - 7 ]9 A1 U0 t2 g' x: H2 Y' D
- digitalWrite(2,0);9 ]4 y. ?' D4 C3 b0 `
- mainAction();
1 e6 C' O K2 k - if (digitalRead(0)){
7 |4 c: ?: F+ g+ c; C, U5 \ - ESP.deepSleep(0);
) D2 d8 q$ q+ J! H. r - } else {2 N, S( _ r6 C) w
- server.begin();! r% V$ x# o9 G; }& W* R2 D
- }
6 z9 R2 Q6 r- x2 t - }
9 j/ ?) _ H6 F" N4 ~0 y1 V - void loop() {
& L# N @+ j, ] - server.handleClient();
, f) \; k% R, F1 Q1 Q- Z - delay(1);
$ `' x9 a. o' n7 b. R; x$ p0 A, F. f - }
* L- v' D7 f5 \ - String doGet(String url){3 j& ]' D5 t# \' E Y
- if ((WiFiMulti.run() == WL_CONNECTED)) {2 K5 s6 L+ Q& E, i2 E! Q
- HTTPClient http;
" e; D/ J# ?' n, `# k- b/ t - Serial.println("[HTTP] begin...");8 E) e* @( m. I5 j$ v$ a& i
- if (url.startsWith("https")) {4 V% E) x1 M% q) Z7 y6 |. z" c! H" f) g
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");7 i, X* M; F) L
- } else {
% e1 ?9 f& G$ K0 ^& }( ~ - http.begin(url);
4 g: B z [. O6 a - }5 y9 P2 b) k8 f7 b9 a8 W
- Serial.println("[HTTP] GET...");8 f# l5 S4 h* _6 h
- int httpCode = http.GET();
' V/ g' p, ?+ Y8 N0 ]+ g - if (httpCode > 0) {
$ W6 }% W5 ^/ i: i5 m - Serial.printf("[HTTP] code: %d\n", httpCode);! ?! t, Z) b4 ?; b7 z. U" M. S
- if (httpCode == HTTP_CODE_OK) {1 o9 Q1 D3 v# h7 U0 L0 }) B. Y+ o
- String payload = http.getString();
. p; Z2 L6 \) x) C# a - Serial.println(payload);, x. R! _) Y& i' g1 r/ i7 R
- Serial.print("\r\n");
% t, i& y0 F+ F w5 L - return payload;& Z* Q+ `) s- s* [7 z8 s0 Y
- }
7 L0 E' K9 X% B - } else {
( K% X- X6 y4 m* f; C4 ]- R) b - Serial.printf("[HTTP] GET... failed, error: %s\n",5 ^# J+ R H Y. _# y3 j, ~) q& v
- http.errorToString(httpCode).c_str());
6 \( Z' A [* c: f - }0 `) j" x7 l2 C% @* L1 W Q& r- T
- http.end();
8 o: _- B9 h' }# D8 @ - return "";
2 q! K _/ Z* O; o - }
% k9 d8 C9 m9 }. Q5 F% k - }
! @! ~' X% t9 K, Y0 t - void mainAction() {, e' |' V6 ^5 ]. M0 b* G( m9 e
- // 发送请求
, ^$ o! x8 _! Y - doGet("http://google.cn");
/ M/ ]+ X* D8 N# g" I - }' r x/ b* ~2 _% p' ~, x
复制代码 |
评分
-
查看全部评分
|