|
|
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)
6 R$ ^' {* M8 }# @" d, d- #include <ESP8266HTTPClient.h>6 R! S7 R# L1 Z
- #include <ESP8266WiFi.h>
4 A9 ^( Z; ~/ M% \7 L8 f5 N& M - #include <ESP8266WiFiMulti.h>
& r$ v" H A9 P$ P - #include <ESP8266WebServer.h>
/ A/ r/ m) h5 C) [/ B - #include <arduino.h>
1 W& M/ ]& [0 \0 O7 v0 ?7 C - ESP8266WiFiMulti WiFiMulti; V4 G# \$ p' g, g3 e: l2 _+ @
- ESP8266WebServer server(80);
0 m' Z1 R5 @* i! P$ f - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
5 N: N5 e# A7 O1 y, m - ADC_MODE(ADC_VCC); p8 F5 H- y! T: G
- void setup() {# L" E: M( ^% S
- Serial.begin(115200);+ g7 j4 n& H; ]/ Y( @' ~ v6 F/ O
- Serial.print("\r\n\n");
. q+ z6 v5 Q D: e U2 M) E& @ - pinMode(2,OUTPUT);$ L7 D' u# \" h) { {9 I
- // WIFI
; Y0 x; | W7 K8 ^3 }0 g* x - WiFi.mode(WIFI_STA);
% t+ `) C" M- z3 @0 C - WiFi.hostname("Sparkle");9 v' Y9 p. g. {) d
- WiFiMulti.addAP("wifi ssid", "wifi password");
& ?' I. |% Y( I1 ~ - int tryNum = 15;' j6 r( k0 z( B M6 D0 e2 E$ n
- Serial.print("Connect WiFi");6 o2 @4 c# h7 x q d( [0 v
- while (WiFiMulti.run() != WL_CONNECTED) {' R, L. R: c- l3 M
- digitalWrite(2,0);* a0 A. N5 l' P* B3 a% P
- delay(200);
$ f9 Z0 U) @' Q7 h, ?/ H - digitalWrite(2,1);; `0 {+ v3 J1 R @5 e* g$ M8 V; m
- delay(300);& h8 J( p3 {, J% V
- Serial.print(".");
" j' o. N1 s, d0 Q" K2 |7 g8 x - tryNum--;8 \) @0 E% P! a
- if (tryNum == 0) {% O* _+ y. }( l; S- c
- // 1min# {( h0 p* Z7 D7 ]
- // ESP.deepSleep(60e6);
( `) ? m4 l& ?) c* g& R& `1 Y - ESP.deepSleep(0);& J3 c" j: f [2 K. p; b
- }1 L$ P! z* u s& m+ F
- }3 i& U7 r( t- \5 g d& l5 L4 K* P
- Serial.print("\r\n");# x3 \0 w# ^7 d/ [
- digitalWrite(2,1);; Z+ }8 Y" `! i9 v3 [9 A5 I1 s
- Serial.print("IP address : ");
( t' k( D+ d" w& _6 P2 Y+ y9 B# C5 g. | - Serial.println(WiFi.localIP());
0 M/ ^. `1 g1 E* X, M9 V - server.on("/", HTTP_GET, [](){4 Z/ w2 Z! n4 @
- server.sendHeader("Connection", "close");- k0 B( T: k" C6 { w
- server.send(200, "text/html", serverIndex);
. ]8 L `5 c& ^6 y# |6 E - });
; s# E i2 S. `* J1 b - server.on("/update", HTTP_POST, [](){# \* h0 l- V/ @0 H
- server.sendHeader("Connection", "close");. m1 v$ u2 h. I8 P. N
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
- n4 [5 y- I4 M, w3 y - ESP.restart();
?2 e& G& m2 ]" l7 P% B( W) f - },[](){
. y/ S+ N) g5 B7 `/ N3 p - HTTPUpload& upload = server.upload();' J% F3 C8 z9 N9 b6 l9 ?
- if(upload.status == UPLOAD_FILE_START){
4 ?( N9 _4 @6 A9 m7 W! ^% Z - Serial.setDebugOutput(true);
0 L1 K: e$ E& U - Serial.printf("Update: %s\n", upload.filename.c_str());$ [2 [% _5 A5 c# S4 p* G
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;& h8 ]+ q- v2 y; N9 g
- if(!Update.begin(maxSketchSpace)){% V# T6 P) x, X2 h
- Update.printError(Serial);9 q R3 h) P( D$ d
- }
) ~7 S, M9 E, P* a+ N - } else if(upload.status == UPLOAD_FILE_WRITE){
( ?1 j( [. P/ S - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
' T+ p% u3 Y7 V' y7 e - Update.printError(Serial);( O2 [! D$ C# \
- }, U3 L1 [( U; I9 v
- } else if(upload.status == UPLOAD_FILE_END){ I1 n& h! e) j. t: p" a
- if(Update.end(true)){" H# v( }# ]) ?& S9 u( g
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);+ i: Q3 m1 g- F; I- [3 C! _" C
- } else {
9 I5 b, i1 b0 }5 y: R# ?7 X - Update.printError(Serial);( ?; D! n) Y: j% e K, a, v
- }" I: i( f) n( k
- Serial.setDebugOutput(false);. [7 A9 r, J' E. v
- }2 n M X0 D1 {- E9 A
- yield();: Y/ f6 `9 x0 X( G: l2 w
- });
+ `5 ~6 Q5 S6 U7 ^ z( C - " X' ]+ u0 Q$ j! }/ l
- digitalWrite(2,0);
' h' l% s; x" a, a( c; ]( X - mainAction();& x5 l% Z4 Y% W$ r- N
- if (digitalRead(0)){3 g8 n) K6 r3 t
- ESP.deepSleep(0);& G9 T) ]2 w, `7 X$ E& r
- } else {: S" x% k# H4 q9 e" e8 ~
- server.begin();3 o" s4 B. U; u; j8 m# T
- }
8 L( _6 p- A+ c+ p- w. _" Y - }
4 y0 N) r+ J, u( w5 y - void loop() {
1 J _& E9 \4 m9 g- m/ W: ^ - server.handleClient();- a; S5 G! h: K, V C7 X
- delay(1);6 U# Y3 e6 C) o0 I2 s* f
- }
7 t$ h! H5 C1 P. ]3 b - String doGet(String url){, v5 ~9 W+ d8 ~& b. N) p- x2 A* X
- if ((WiFiMulti.run() == WL_CONNECTED)) {
) g% L4 R9 _* q# I5 t( t, r - HTTPClient http;
' h0 e' Z! _: D( i _ - Serial.println("[HTTP] begin...");
/ R2 D6 x+ H+ \, k2 T1 { - if (url.startsWith("https")) {
5 L8 I/ {2 u! L K - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");$ h" z2 v9 J0 b
- } else {; I/ o' J0 m# U/ g, f
- http.begin(url);
- ?3 ^/ P% H. x$ w/ h7 y1 D* Y" ? - }
, k! k. X. _+ V; O) L$ p2 c, i - Serial.println("[HTTP] GET...");) h/ |( n* U. a" w0 y
- int httpCode = http.GET();3 f8 E. e6 i& u ~# R5 j5 r0 g
- if (httpCode > 0) {. Z/ p2 V. u$ L9 O+ d
- Serial.printf("[HTTP] code: %d\n", httpCode);
. E3 g2 X4 ?/ V+ g3 T$ w8 [0 O W - if (httpCode == HTTP_CODE_OK) {
K4 `/ U, a6 p- A' p - String payload = http.getString();
" G) E, J6 X6 i - Serial.println(payload);7 E/ ]9 x0 Z3 N+ L
- Serial.print("\r\n");
# Q! u9 C3 P# M - return payload;
' K" `& W$ Z$ R! S - }
# s' K% {6 I2 b! J1 u! E" C - } else {: ]4 g: s; ~1 O# {* E
- Serial.printf("[HTTP] GET... failed, error: %s\n",
/ f% h3 C8 U- Y7 c2 f) u - http.errorToString(httpCode).c_str());, |$ X1 Z Q! L9 N7 q
- }
+ [' ?% l! `$ D4 A - http.end();
+ v7 k i' C% a* n2 I5 z" I3 N - return "";
2 |! f5 G. k0 M; B+ `% p - }
* C2 V2 N2 _* @6 A2 N - }
; h y% [" @0 M/ J, v - void mainAction() {. P8 _* l/ d6 ` h" M
- // 发送请求
7 [0 [2 T' T+ j - doGet("http://google.cn");
6 b$ x: i, T- u: M$ u9 Q - }4 M! X. {+ L5 X; I8 Q0 R6 M! e
复制代码 |
评分
-
查看全部评分
|