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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)" s6 J; s6 b3 i1 g" U& {% r
- #include <ESP8266HTTPClient.h>) n$ a% P3 e* @& H
- #include <ESP8266WiFi.h>3 M7 w( v( E9 ^6 n/ w' J
- #include <ESP8266WiFiMulti.h>
: G8 T1 d) W0 X' G1 Y - #include <ESP8266WebServer.h>* Y- c9 ?' L$ {! l
- #include <arduino.h>
8 p. ~* k4 T) g" j7 G - ESP8266WiFiMulti WiFiMulti;
' z3 T) c$ e, y7 z8 ^ w* V% _ - ESP8266WebServer server(80);
- K% O& L8 J& o! A4 p - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
7 w+ o* ~( ?# n$ c& s& h* z - ADC_MODE(ADC_VCC);
6 W) o4 {& @% {( `7 u6 P - void setup() {
& J( S7 j+ V- \ - Serial.begin(115200);: R( `% |7 }4 V$ N6 S& b1 O
- Serial.print("\r\n\n");
# b# T: H4 b! x d8 S - pinMode(2,OUTPUT);; e4 V; y Z5 g! d1 s0 ]: v
- // WIFI
, }. z9 a; R5 @! c3 N: g8 U. ^; h9 F - WiFi.mode(WIFI_STA);
4 P' k8 F5 @% Z+ L6 j - WiFi.hostname("Sparkle");
: s3 ~ T1 u! Y) ^! Q - WiFiMulti.addAP("wifi ssid", "wifi password");
. W$ J4 s, a9 f' g$ G5 Z* l$ t - int tryNum = 15;5 e9 z( t2 o+ k2 I, R
- Serial.print("Connect WiFi");
/ O& @- g x a- \- ]7 r - while (WiFiMulti.run() != WL_CONNECTED) {4 a9 I8 R) _: L5 u# F: U$ A
- digitalWrite(2,0);9 H9 E* L& g+ B, x( c" Z
- delay(200);/ g) r# _& E6 L& g* j
- digitalWrite(2,1);9 O3 s/ g |' J$ c" x1 {7 U
- delay(300);
: {4 \+ s5 Q1 f) N5 @- H- P - Serial.print(".");) U# z6 ` A" K
- tryNum--;
8 M1 a9 E# K& ?; _ d1 e - if (tryNum == 0) {7 V6 q3 w. a- ~' n% [
- // 1min
5 B, F( ^+ G/ G# D' x - // ESP.deepSleep(60e6);( R& |$ _4 h7 t) o
- ESP.deepSleep(0);
$ x: ~) \2 i, l x - }
, _* b& B( @$ v9 Z3 f3 M - }
. P2 E4 c; V4 l0 N5 L+ B; u% x - Serial.print("\r\n");2 a. I4 Z1 l& F2 l' C
- digitalWrite(2,1);
- O3 Y) }% ~4 G2 L- t. b! H - Serial.print("IP address : ");
9 Y+ [2 E) a! Y! H/ A* A I/ E1 O: w - Serial.println(WiFi.localIP());& ]6 M2 b1 m/ {. o
- server.on("/", HTTP_GET, [](){2 l. @$ H1 c: Q2 g V9 L
- server.sendHeader("Connection", "close");
! k1 o+ R' ~1 i3 `! [3 K( q" e - server.send(200, "text/html", serverIndex);& c6 [5 [' y4 i4 m2 ^8 |* H
- });
$ A/ k4 }7 ~8 Q' Y3 O! C - server.on("/update", HTTP_POST, [](){
3 l' h5 |2 y6 L6 ~+ n - server.sendHeader("Connection", "close");
. b$ g& Q" Y7 V3 P - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
3 N' E$ t9 \: k# K4 }$ q - ESP.restart();
4 E; Z+ ~& y3 U( l H; s( D, b - },[](){ d; p5 t& u7 Q
- HTTPUpload& upload = server.upload();
0 \% J0 C$ x; w# B8 A; E - if(upload.status == UPLOAD_FILE_START){+ P! n$ M# Q/ ?9 H) _$ |; x
- Serial.setDebugOutput(true);
4 ^+ y$ h; I1 s; u9 u* u: h - Serial.printf("Update: %s\n", upload.filename.c_str());
, `- T' u+ f5 @. u4 }5 }: r - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;2 u6 B$ \1 r2 g- q4 U% G* V
- if(!Update.begin(maxSketchSpace)){
% H& e& d+ [; r' \& F - Update.printError(Serial);$ I) U: f8 M! o7 |2 q/ [
- }' L' {: R M1 I$ e& M
- } else if(upload.status == UPLOAD_FILE_WRITE){% h! V0 x3 [% h% o
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){" F; ~" {5 R$ O/ s$ C/ x" P
- Update.printError(Serial);
( r) M9 x& B1 e2 ]3 ? - }
: F8 p% F r5 |8 r. r- l - } else if(upload.status == UPLOAD_FILE_END){
; e+ M! {2 ~7 {' G' D0 z - if(Update.end(true)){
, }! ^' _, L; S. a u6 w - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);, r: R* g0 m/ G. \
- } else {
$ W& C% g U8 L, e4 m* x# ^! V) _ - Update.printError(Serial);
& x' A) K8 Q' v9 N! P" a1 [, p# Q - }5 F+ E( B( T! m* k
- Serial.setDebugOutput(false);. u' \, s5 Q5 ?% h1 d
- }
' B4 Q: E7 Y% | - yield();8 E% g% l, B; z g% I/ ~+ ?. H7 n
- });; `: _3 n- m, j6 B; v
-
: V4 @! j9 a2 i1 f - digitalWrite(2,0);, `% Y. ^" j( R0 \
- mainAction();
* \- R K* `2 ^1 {& }! J& ]1 o - if (digitalRead(0)){
. G7 K0 E- i' m8 U( I - ESP.deepSleep(0);. h' C& w5 T+ ?- L5 i; y1 i
- } else {
8 a5 m) @3 c1 `2 z - server.begin();9 `! k$ C$ E/ e L8 a* {
- }. P& c$ F" ]# B' [) M
- }6 x8 J" ] }; `; E% [
- void loop() { _7 {, F0 ~: T+ Z: y! s
- server.handleClient();
3 k+ H7 m2 D5 E: { - delay(1);
* u% w9 @ ~! g: k0 ` - }
1 R! @ V( e. l - String doGet(String url){
" O! t( ~0 w/ v& R! m0 \8 Q - if ((WiFiMulti.run() == WL_CONNECTED)) {
- V% D( n( v, @6 F" @; N - HTTPClient http;3 H6 ~! R0 x* [( a6 n
- Serial.println("[HTTP] begin...");( M, }- _/ O% y2 `+ b4 L
- if (url.startsWith("https")) {$ ]0 Z4 N ~( ]2 F+ x
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");" P' Q! r; d9 o: [, r# v
- } else {
+ c) `3 L' l+ C3 \' m* K" [' ]: Z& ~ - http.begin(url);
: Y# @: z. Y: k6 j; ] - }' g4 \9 U" p ~+ b
- Serial.println("[HTTP] GET...");3 {- E2 h& C: k, }; o4 O
- int httpCode = http.GET();
- K I4 D7 W* S4 c - if (httpCode > 0) {! ~3 M0 a3 n4 f* U! c: u, a
- Serial.printf("[HTTP] code: %d\n", httpCode);
" M# M1 a! h5 V- _ - if (httpCode == HTTP_CODE_OK) { l. i* u& A# _ C/ F
- String payload = http.getString();& T u1 n6 V! n
- Serial.println(payload);* s6 v- ~3 l9 q5 `# N+ b
- Serial.print("\r\n");6 _8 @/ b! Y8 w" p; o
- return payload;
, ?2 ?+ Y n/ l$ D4 L, f' t, B - }
& l/ I" T6 V) u* Q9 \* o - } else {5 Z6 H! l+ r1 `8 s' _; Q
- Serial.printf("[HTTP] GET... failed, error: %s\n"," @: \; I7 \. L' i6 o& M
- http.errorToString(httpCode).c_str());2 w/ m0 h \7 c) l8 M. h% K* E" D2 c% z
- }
" c/ A, t8 F) ]1 K8 J: n4 p/ l - http.end();
/ P" O, S$ l j4 _ d - return "";
# {; }! }9 }# Y" W - }6 g2 o: z/ T! C1 b' V2 u3 C
- }+ y Y/ [0 G/ Q* O; ? O* w9 D
- void mainAction() {5 g2 x# a" l) Y, B$ G O9 P) |/ p% ^" j
- // 发送请求
+ a/ \3 S/ e, i, f( ? - doGet("http://google.cn");! d3 v2 A' B* H# X5 G
- }1 _7 [8 ?0 o4 o3 D h. U
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