|
|
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 I a% S# ^1 [5 D( |/ U- #include <ESP8266HTTPClient.h>3 C! Z/ _9 y5 `' S4 G6 _" F
- #include <ESP8266WiFi.h>) j0 K$ i) m: {$ a
- #include <ESP8266WiFiMulti.h>
! A, d" I" S; U' N+ b - #include <ESP8266WebServer.h>
7 V' N, y0 ?7 u3 e" T+ O5 ] - #include <arduino.h> v; g$ o( e+ X0 i v, [
- ESP8266WiFiMulti WiFiMulti;
3 N) d; o6 Z% z* L& S- L \ - ESP8266WebServer server(80);! j$ {& l1 g9 K3 z, T0 d
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
3 i# X+ k! w G7 j0 ? - ADC_MODE(ADC_VCC);
. H$ Y3 f" i) d1 }1 L - void setup() {( V/ i) m4 ?- V& P6 ^0 T
- Serial.begin(115200);
r5 s5 r# ?- U4 _2 [' y3 {8 V - Serial.print("\r\n\n");- M! k/ x8 [7 M! c5 H5 [2 J
- pinMode(2,OUTPUT);& E# ` ?: d% [
- // WIFI: O7 A9 M& n4 M. o
- WiFi.mode(WIFI_STA);
$ Z1 b t1 i5 u3 W - WiFi.hostname("Sparkle");
+ E. ^/ T( P; n( k2 @4 ] - WiFiMulti.addAP("wifi ssid", "wifi password");6 \4 K! P, M8 F& [
- int tryNum = 15;
, u: K: i; R6 R: o( o& O9 b - Serial.print("Connect WiFi");
) m* o. Q: j! v/ ]( \( d0 J - while (WiFiMulti.run() != WL_CONNECTED) {
3 F; f$ [7 i/ r @+ k) y# w - digitalWrite(2,0);
8 f7 @' U, X) t0 F* R - delay(200);7 q3 E$ n- m% ^3 |6 }9 M
- digitalWrite(2,1);9 ^+ D, N A" H3 c+ |5 \ Z3 P
- delay(300);% u3 A" @: U: s/ c/ r
- Serial.print(".");
- n K* g S8 u - tryNum--;# ^ I, M2 j) l3 ~9 S4 i
- if (tryNum == 0) {
. q& Z4 u4 h4 g6 | y - // 1min- F3 j/ e {" g4 i% k
- // ESP.deepSleep(60e6);
2 [/ R% s% _ ~6 V. K" _7 T - ESP.deepSleep(0);
4 W& j+ g' t8 s) W R7 W. R0 V - }, Y, R u4 p p5 U* B/ \. x
- }6 v, e2 t& l" k" f0 m
- Serial.print("\r\n");
5 ~, q! S! w% G, j9 y' y - digitalWrite(2,1);
$ ~1 C2 [& L0 C. M N$ U- z - Serial.print("IP address : ");
. K+ O {* ?7 G6 J1 S# B - Serial.println(WiFi.localIP());9 @% l! F6 l, [, [
- server.on("/", HTTP_GET, [](){% u: O9 p% \* \2 u+ Z
- server.sendHeader("Connection", "close");
4 h8 n, m$ e6 T" Q9 J3 q) `; y - server.send(200, "text/html", serverIndex);: t a" g" U3 p$ P+ A3 F
- });
" Q5 W2 w0 n' H - server.on("/update", HTTP_POST, [](){
, _8 K0 n* x0 A6 L - server.sendHeader("Connection", "close");
$ X1 }) c+ {/ R# G - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");* @1 T, m* p- U7 q1 U$ e* h. p
- ESP.restart();# y. N% F3 l0 @% P; k) W, _
- },[](){; T6 E" |5 R/ [
- HTTPUpload& upload = server.upload();# R* d7 u' L( U$ j8 b
- if(upload.status == UPLOAD_FILE_START){
t, ` x7 T/ g* j) [: y - Serial.setDebugOutput(true);
' Y. d5 V) Y1 b/ Q# t" ] - Serial.printf("Update: %s\n", upload.filename.c_str());
J. i g& K# O& X$ K - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;/ I2 e. U6 e5 L* x, i
- if(!Update.begin(maxSketchSpace)){7 W5 P6 ?! ~9 w2 f+ Z% T) H8 [4 i
- Update.printError(Serial);
' }! d1 l# {1 V# a& f) y p - }& X# ~$ i& Q0 k
- } else if(upload.status == UPLOAD_FILE_WRITE){
' F; a9 _/ I# L; O ~, P8 f4 i# j - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
7 \' n7 H; Q5 X& s - Update.printError(Serial);
5 p) n" p* L1 b \" J) I- \! X - }
8 B4 Y' _$ m- l, z% [2 h0 h - } else if(upload.status == UPLOAD_FILE_END){. a6 j$ H8 e& v6 i8 a/ g
- if(Update.end(true)){
`4 I- g) W0 e# `! u9 o$ F - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
4 {5 D" s5 p+ G - } else {
: k i3 i- F2 Q6 F1 Z3 H - Update.printError(Serial);
q" M$ ~4 b% ~. ?* { - }
' O. _' k9 s+ r& @9 W8 k - Serial.setDebugOutput(false);
1 K5 b3 e1 j+ O9 h - }
; G7 b& m/ c0 Z. n0 U; x# u - yield();9 Q' E0 m$ H4 u F* ]
- });
, Z0 r) x( z. g, T T/ k' ]1 ~ - / m+ M+ g+ ?( N4 @6 v* ^; v7 d2 X0 _
- digitalWrite(2,0);( i( y) p' @+ `4 _4 Q
- mainAction();) X: }) t R$ a
- if (digitalRead(0)){
) ?) r2 m$ I* ?4 O! P - ESP.deepSleep(0);
& f' C- p! F \' z, H2 \! ]& W - } else {9 x8 f% J; V! M3 P. F
- server.begin();! j( S3 E0 X/ s5 G& g& g% n
- }
0 e1 B" G2 B; _' S' F3 {* ?: e7 [ - }; R& ^. \, ~4 D8 m
- void loop() {
( F0 S( v$ p, b7 ~ - server.handleClient();
' ^6 T% j$ g" L8 [- V" ` - delay(1);
! P# z+ E/ D, z9 c7 f% f0 v) u - } A1 T9 z V! w1 U' D6 \, m
- String doGet(String url){
0 Q% R( {) \. m$ `. U - if ((WiFiMulti.run() == WL_CONNECTED)) {
) N- W# M4 f2 |. V - HTTPClient http;
) w+ A, e7 I; Q; q - Serial.println("[HTTP] begin...");
# Y0 t1 e4 [- r. m/ N, `4 \ - if (url.startsWith("https")) {+ ]% o4 A, F) R8 P/ ~, q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");4 s# S3 t/ K+ x1 `8 l) G, g
- } else {, {9 L* ^ Y( ~$ I" W+ \: z
- http.begin(url);
- _$ U k) C `! v7 e5 w4 u- o - }3 `+ B( ~0 D6 r
- Serial.println("[HTTP] GET...");
5 C1 ~7 w' u% E6 `" W& t3 ^; U - int httpCode = http.GET();5 K- F3 ^: g( M# D% e
- if (httpCode > 0) {
+ V- B6 l7 N. M - Serial.printf("[HTTP] code: %d\n", httpCode);
9 K3 X M. h" O2 r2 T - if (httpCode == HTTP_CODE_OK) {
# A0 D, M) ~6 D% h; j" D - String payload = http.getString();0 z$ @/ m9 u0 e6 c
- Serial.println(payload);
( z4 U8 Q9 v3 y; s6 o- n - Serial.print("\r\n");, b2 @ r- X" V+ W; e
- return payload;
; \8 K& |$ R. k, |9 r - }
$ ~+ r# n3 f- d4 O" R: D6 ^7 s7 U - } else {
7 Q* g1 F# F! {" c* n p( c - Serial.printf("[HTTP] GET... failed, error: %s\n",1 ^8 N ]9 {+ K9 r, v* v
- http.errorToString(httpCode).c_str());
& s5 x6 W% N) L9 m5 w - }
k$ A* `9 S c. f3 K - http.end();0 C" M6 {, R3 J+ L* F' j
- return "";
( v- V9 W( v3 r* w - }8 w5 b$ V8 p) w, Q3 `
- }" S; T$ K( Q* L/ q
- void mainAction() {1 S$ F, M- g4 S9 `) p: x# D
- // 发送请求
7 G0 w* U8 Z3 g) b) {( k - doGet("http://google.cn");
$ X3 T5 Y' c; p! g9 z - }
0 x1 w0 C/ f0 B6 l5 J7 T3 D$ L! v5 e
复制代码 |
评分
-
查看全部评分
|