|
|
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)* D5 f: a/ g: L3 B) T# n; U* U* b
- #include <ESP8266HTTPClient.h>. D# N+ _+ X& Z7 V
- #include <ESP8266WiFi.h>
" @' m4 [, G& t# ^+ |# o - #include <ESP8266WiFiMulti.h>
3 h' g1 R" b1 n- u8 m - #include <ESP8266WebServer.h>
7 s4 M& U3 o T- e0 Q3 t - #include <arduino.h>
% [) }: f: l! ], b7 z H - ESP8266WiFiMulti WiFiMulti;
4 o# H, W- b* r; c# G - ESP8266WebServer server(80);; E6 O0 e. z4 X# b) e2 J
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";% Z: D8 a4 i) N3 [/ J
- ADC_MODE(ADC_VCC);; Y; p" q: B: e% v1 M' U
- void setup() {
& O+ Z: S: p8 M% q+ c# m - Serial.begin(115200);7 J0 k( v( d: v1 e/ d6 X: J W: r; N- a
- Serial.print("\r\n\n");/ ~, K8 S* _4 Z% S2 b0 j4 Y
- pinMode(2,OUTPUT);" P F) ]/ L1 c8 S; C
- // WIFI! @# m8 |. f- g+ |, l$ ^! M
- WiFi.mode(WIFI_STA);
. \% D& _) o! k0 U; s - WiFi.hostname("Sparkle");
3 S! ? v% D9 u) B, u+ ~9 N - WiFiMulti.addAP("wifi ssid", "wifi password");
5 p6 Q: p! n) E7 R% e( [$ ~3 i - int tryNum = 15;
4 G& M4 l8 b# x- b, O - Serial.print("Connect WiFi");/ K5 a G6 s( f2 Y
- while (WiFiMulti.run() != WL_CONNECTED) {5 t# A5 n( O6 G3 A# J# j
- digitalWrite(2,0);2 r, c! |7 l/ S/ y1 u7 d( S7 Z
- delay(200);
6 ^" s, Y: a: g4 g2 @2 y% I' _ - digitalWrite(2,1);" \' Y+ Z% |$ f% Z4 X! n
- delay(300);
) t' d5 }& @ f6 c3 ~. _ - Serial.print(".");
. ^/ s6 g0 E e: Q+ m8 @& b3 K - tryNum--;
. G+ `6 F$ a; N/ b; T6 \ - if (tryNum == 0) {
6 z- G. Q# O" r! b1 u5 o7 _1 C - // 1min0 u( _9 g) |9 _0 c6 Y$ }" Q
- // ESP.deepSleep(60e6);
* H4 X1 M# {8 \- ~5 ]! ~$ d/ z# E - ESP.deepSleep(0);8 h- T- w3 \, [1 j5 [' w6 W
- }
7 n. e9 U# R" c; Y0 g - }
" N- T" ^. q/ V; R2 ]! _ - Serial.print("\r\n");3 Y% X5 X: A9 `" ]* W% d
- digitalWrite(2,1);1 A! A6 j; D# |! A
- Serial.print("IP address : ");
/ O& _" V: Q" E9 ~( p# B% n - Serial.println(WiFi.localIP());
, l- w! L' R# M1 B T - server.on("/", HTTP_GET, [](){# x: e! O8 B1 N. \2 ]" X1 t
- server.sendHeader("Connection", "close");
* {2 M5 L2 x( T$ B; }% A - server.send(200, "text/html", serverIndex);2 {9 D# X9 @- Z
- });
+ ~" d. I( B& v8 Y# {% Q7 V ^ - server.on("/update", HTTP_POST, [](){! C$ x: p$ R. K) G* G: y7 A
- server.sendHeader("Connection", "close");" s# h. P$ B. g5 W8 Z1 `8 w" t
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");1 r( w5 |9 H$ B6 Z+ p& J
- ESP.restart();
. q! ?9 o4 o- `% k! s: L4 q$ w - },[](){
/ S) f, U+ s; O4 J6 v - HTTPUpload& upload = server.upload();
/ d/ Z9 D9 Z+ [: q7 z* r" {. i - if(upload.status == UPLOAD_FILE_START){. S/ ], S T, I7 y% T
- Serial.setDebugOutput(true);$ b4 D5 g4 M& n- C' Y
- Serial.printf("Update: %s\n", upload.filename.c_str());
# g9 k- @) y" U9 }* U7 B' j - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
, e" T5 C5 R! l- d1 K. `' T# D - if(!Update.begin(maxSketchSpace)){
, L \) O9 O0 T1 z3 G - Update.printError(Serial);7 i! P( i4 q/ }* y/ r& B
- }
, V- h: Y3 n/ ?8 m - } else if(upload.status == UPLOAD_FILE_WRITE){
# ?' i$ w4 J: T6 L, O - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){- Q+ S/ Z7 U; D2 f; e
- Update.printError(Serial);/ s+ j$ `) \& U P/ Q
- }4 }$ G* w4 X6 U
- } else if(upload.status == UPLOAD_FILE_END){8 P( z) Q) \; D8 m( D$ i. W9 L
- if(Update.end(true)){
! M R5 j1 Z x) ~9 ]. X) `0 u0 F - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
' J- d$ s, t, S6 D% H+ H& [ - } else {
, D0 s/ L( q4 N* |. o& I - Update.printError(Serial);0 a7 k: C3 t1 ]1 Z5 e
- }2 O: u- q- s9 K |4 u; G) Q
- Serial.setDebugOutput(false);
9 k2 ^/ e8 p8 m0 _: x" V - }' m9 [6 X+ J+ x5 O2 A
- yield();4 E) J) x9 u; W; Y& c
- });3 @5 T1 a4 \$ j& i9 t T
-
* t+ y7 N; u% E, S. @6 I1 Q* G - digitalWrite(2,0);' I5 {, Q2 O [: B; ~2 \+ d: w
- mainAction();
, q( q9 b; e0 ^) g! G& p3 v - if (digitalRead(0)){
* b- t8 [8 _" r) h2 X1 x' O - ESP.deepSleep(0);
$ Y, N/ a" S" U. o8 R - } else {
+ m( Q, `4 j* `( z - server.begin();' ?- k. t9 Y" a. L) A# q7 X3 R
- }
+ i9 R. l3 |. m) j6 j) X- N, [8 R - }
3 r8 O1 ?) h7 u) M1 u - void loop() {
6 Q, O g2 ~3 N" Q" F' e) m: g - server.handleClient();
5 {$ ^) e/ n0 l$ g5 C9 c% ^; _ - delay(1);$ S. v. q6 b: g- Y* a0 K5 I
- }
5 J3 c7 }0 S# e& S - String doGet(String url){
3 f* z2 j/ t4 U2 J9 @3 E) p - if ((WiFiMulti.run() == WL_CONNECTED)) {
# S; @% F7 U3 y; l3 r0 e - HTTPClient http;
' m- Q, E8 o5 @( G4 W: e - Serial.println("[HTTP] begin...");( L7 W; [ j( P
- if (url.startsWith("https")) {0 ~2 k: v1 o' c; _6 S0 A( e
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
+ B4 Q' {9 N% L0 i( b0 h' W! U0 e0 Y - } else {
. p9 {9 E z J/ q - http.begin(url);
: x! M V U% U1 S - }$ {9 k8 S& o& Y4 u0 r1 x
- Serial.println("[HTTP] GET...");& h# {* H3 @% U3 _. Q! {
- int httpCode = http.GET();
; `& Z$ q5 i7 A# ]; L - if (httpCode > 0) {
" d8 J8 G# o. L' h8 Q/ w) {/ b - Serial.printf("[HTTP] code: %d\n", httpCode);
h" s) o' D3 h7 G! J - if (httpCode == HTTP_CODE_OK) {
' |, F1 `/ y: r! u0 B" j- Q - String payload = http.getString();6 M% m1 t& V( t, C: g
- Serial.println(payload);
) \$ z& I1 v3 f# n - Serial.print("\r\n");- C) S. W# I# J( C4 `5 U$ K
- return payload;" v+ g: B3 N4 [
- }" T5 g1 c* _$ l5 } e
- } else {8 I, G: y0 F' q% M( b7 Z: O
- Serial.printf("[HTTP] GET... failed, error: %s\n",
* I( T# p- c3 G/ {. `) w3 s - http.errorToString(httpCode).c_str());
! i& n" q; D/ P# \0 B8 C: {# z - }
: U5 `. f6 h1 `+ N - http.end();
1 B0 `: D" q2 B8 t) F4 F4 Y1 F5 |: o% F - return "";1 U+ o [6 X: X7 y9 A* \# E
- }& K" F2 u2 c4 ^
- }
- L- \( G: \; U" M2 r# W - void mainAction() {0 {; g$ }& l) v7 P: l
- // 发送请求( J6 F6 }/ K9 x0 a
- doGet("http://google.cn");8 w8 r) V% y4 w+ x" v: D( Q9 ~
- }
; ?& u; r* y/ v3 F6 Y+ s; C
复制代码 |
评分
-
查看全部评分
|