|
|
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)
; o% z4 x# G" O4 U7 @5 F9 A- @- #include <ESP8266HTTPClient.h>
) S4 [ U, L+ m) c& j6 Q; g. H2 _ - #include <ESP8266WiFi.h>5 m% k+ c# Q! O7 j
- #include <ESP8266WiFiMulti.h>
. F+ W& v$ D1 B4 H6 j/ @$ k; r - #include <ESP8266WebServer.h>
$ _6 k6 w( \( X" ^' h - #include <arduino.h>
" |+ i8 @( D; |' }9 l1 M- j% j - ESP8266WiFiMulti WiFiMulti;
8 A/ B' _) n/ ?) Y - ESP8266WebServer server(80);
' N" `% v5 R) Q2 k( C - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
( ~* @0 { V |, A) |$ r5 n - ADC_MODE(ADC_VCC);
# g+ @' K( L; K4 n- U3 f - void setup() {
, b; I( c# n. ^5 O6 j* I - Serial.begin(115200);
0 T* V( V/ w$ `0 L5 T* c1 i9 [ - Serial.print("\r\n\n");1 Z5 s$ }5 @) p) K
- pinMode(2,OUTPUT);8 k3 B9 \/ W6 ~$ H; `. N
- // WIFI
4 |% N5 }& U- Z - WiFi.mode(WIFI_STA);
/ F& e. m. t4 a C, b - WiFi.hostname("Sparkle");$ k0 ~6 h/ M) X! v& N
- WiFiMulti.addAP("wifi ssid", "wifi password");
" ], y D. t/ X) `$ B0 x - int tryNum = 15;
% s/ k5 _6 i5 C5 f* B - Serial.print("Connect WiFi");
( G2 E3 t+ W# M8 A/ G - while (WiFiMulti.run() != WL_CONNECTED) {
$ Q: E+ y- w3 q2 O& Q - digitalWrite(2,0);8 _: A- o5 c" I& n8 ~, a
- delay(200);' `1 x' K) B5 c! G% b _8 s
- digitalWrite(2,1);: k1 D( W& [3 \1 x4 V
- delay(300);( G: R( N, E2 z# l4 _. N! y
- Serial.print(".");* Y8 x$ L( ?& L" o
- tryNum--;
7 r' @! h, C1 a+ p% n% e' o - if (tryNum == 0) {. g+ a/ T7 b4 @0 w' l4 p- ^# s
- // 1min
9 L9 y, R6 e' Y9 o9 n D - // ESP.deepSleep(60e6);/ b5 D) P: \. v* }
- ESP.deepSleep(0);1 F. y0 k n9 _6 @
- }5 S: w. J; o; w
- }0 [3 q$ f/ [2 z" r
- Serial.print("\r\n");
# X, w. |; Y' t6 d! }6 X, v - digitalWrite(2,1);6 @1 j4 d' Q! ?7 u4 Q
- Serial.print("IP address : ");
9 z0 c# A0 a; d) E0 A - Serial.println(WiFi.localIP());
: M6 k* }3 u N- q8 m3 T' b - server.on("/", HTTP_GET, [](){
! i/ J+ b k1 a" w - server.sendHeader("Connection", "close");
3 `2 K6 m- c; O) `6 H9 y - server.send(200, "text/html", serverIndex);4 r4 l6 Q t- ^/ b! s* F9 a
- });; m3 J1 e! ^: \) O! u
- server.on("/update", HTTP_POST, [](){
/ S/ n" M6 S0 N" l - server.sendHeader("Connection", "close");
4 g" Q6 B) Q! ]' U - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
9 p9 Y. _) E8 H - ESP.restart();
( o) ^' @* w* Y3 @; j6 i3 ]/ z/ m1 Q - },[](){3 q. a6 v. F6 S# a% i+ F
- HTTPUpload& upload = server.upload();
& D3 q' ]- h. J - if(upload.status == UPLOAD_FILE_START){
# O; M3 g i; V2 {9 W - Serial.setDebugOutput(true);/ K5 ~, d$ g6 Q5 ?2 n. |- i/ Z
- Serial.printf("Update: %s\n", upload.filename.c_str());% ~ [* \8 E+ \
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;8 Z& v. ]7 V0 r0 Q
- if(!Update.begin(maxSketchSpace)){; c: G* V, L: Z! i- s3 \
- Update.printError(Serial);+ {+ h/ G+ C' a" ]3 X1 F. G( @
- }2 \1 p6 G) r$ O8 d1 E
- } else if(upload.status == UPLOAD_FILE_WRITE){
- V/ F3 r/ H0 }1 Q2 t' h+ D: w - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
; q# X2 h: S) _" Z2 X+ y - Update.printError(Serial);$ q/ n, t& k. T, s
- }
8 ^4 ?! M2 d: c0 ]+ n - } else if(upload.status == UPLOAD_FILE_END){
1 [" l: J; d& i+ g - if(Update.end(true)){
& K; g: E0 g& E8 m2 u1 ] - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
[0 ]4 s$ g5 w# Z - } else {% G' C: B0 i# Q# L1 g$ w! }
- Update.printError(Serial);
+ \) A8 Q$ d [( z4 a6 [ - }
' s6 x6 G2 s8 Y/ {: A; T% z: u6 a% G6 t+ K - Serial.setDebugOutput(false);6 h. b+ E& Y3 S) z+ `# u" |: c
- }
& d/ H0 A/ F+ X2 d' [ x Z - yield();
) r2 `8 M7 @/ @- q% T - });; e0 t: J# Z" _; c: V# ~5 O: @
-
) Q$ C- S) E; {( w, q: o - digitalWrite(2,0);. C7 ~7 p# W4 J" k- O
- mainAction();9 {5 J2 N' H0 @2 c9 K
- if (digitalRead(0)){1 H" M& h- \( ^
- ESP.deepSleep(0);9 X5 T) H" T3 E4 ^
- } else {
3 R) m7 t, e& M( c - server.begin();
# a+ {( e) |- X- @5 n - }) U3 \4 I% S6 Q& m# x+ b+ |8 b* |
- }
5 |: l. P; t# ]' I4 b# o0 q& p - void loop() {
* f" }- z% N( r7 y - server.handleClient();* X+ [ `8 x& n3 [
- delay(1);
3 t# z2 H: }1 p* c$ F- |& z7 }2 } - }6 s w3 V5 d9 v& P E0 L8 J: S
- String doGet(String url){
& k: u: u( i- v( b' U - if ((WiFiMulti.run() == WL_CONNECTED)) {+ N! W- [5 B" Z" ^& u1 @* n9 i- a
- HTTPClient http;
& L8 }- ~4 }- |9 V: F' o - Serial.println("[HTTP] begin...");0 e2 ]# C E! k: `4 S) r6 k @
- if (url.startsWith("https")) {
# M g$ u/ y r) [8 V - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
+ q) V8 V% C e; I! n- w - } else {) X* L# x; p- f Y
- http.begin(url);$ q/ k) h! ^1 `' H
- }
( w% o2 u$ S ^& Y1 W - Serial.println("[HTTP] GET...");* Q- @9 b8 J/ [& S& Z% N- c
- int httpCode = http.GET();' g* k# l5 N3 E- l
- if (httpCode > 0) {
7 V5 R( O' N: b# S/ j - Serial.printf("[HTTP] code: %d\n", httpCode);
1 |% K1 D- V' G - if (httpCode == HTTP_CODE_OK) {
( q) ], O) @, k2 z( s - String payload = http.getString();, b2 k6 ~) Z( J( X/ `3 `2 N
- Serial.println(payload);
( A- Y* n( b; k: U, E' V+ z/ a9 Q* ] - Serial.print("\r\n");1 C2 k- {$ T- K" [" Y
- return payload;3 p% y4 J- @5 @
- }. M/ {8 R, T4 v/ h2 Z. h1 ^
- } else {
! A2 z' s6 s' i& v7 ]* O, s - Serial.printf("[HTTP] GET... failed, error: %s\n",) W! T9 a! a' J
- http.errorToString(httpCode).c_str());. r* {/ o9 e3 l* V2 {
- }
2 V$ z7 `3 F% L( B& y$ Q - http.end();6 M6 @. H' L6 Y
- return "";. F! i' n0 |8 W; }
- }
: V) T) d5 J. i - }
# ? {9 K e' A, Q - void mainAction() {
4 K& z- S+ s x* ~6 Y9 q" d+ t - // 发送请求
' R5 z1 y8 x* ~/ t$ {5 `; [ - doGet("http://google.cn");( ?7 {$ Q4 N- s6 h; F* I, N
- }! \1 ~: M' ^+ W$ _; p% E ~
复制代码 |
评分
-
查看全部评分
|