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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); t& N" e ? C. h% F/ t
- #include <ESP8266HTTPClient.h>
1 p1 o5 n: Y9 G. v' q/ u! Q ` - #include <ESP8266WiFi.h>
; h! E7 E* I# H @ - #include <ESP8266WiFiMulti.h>
4 h+ V. z, s$ {! V9 o0 h - #include <ESP8266WebServer.h>
O3 t& M" P7 j- b - #include <arduino.h>0 p; B9 K2 _0 H, M) }% m
- ESP8266WiFiMulti WiFiMulti;8 D5 H/ G# C- G, D
- ESP8266WebServer server(80);+ \ n$ o$ r- }4 `4 M$ b+ m; D
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
5 k$ S) g" e/ C% [- }( f - ADC_MODE(ADC_VCC);8 v! f n6 @" P8 X' ?
- void setup() {3 K- Z" |* b% O2 d
- Serial.begin(115200);
6 \) V3 P# m: w6 s+ W: T, ] - Serial.print("\r\n\n");
- u0 G0 ^- G- h% U/ l0 R8 C - pinMode(2,OUTPUT);' |# x! S; F- D& |, D
- // WIFI: U; C: }* _5 F
- WiFi.mode(WIFI_STA);0 e$ G( I0 k$ ~
- WiFi.hostname("Sparkle");9 |/ b7 U, @9 B" Y+ G. J; _7 Z9 Z
- WiFiMulti.addAP("wifi ssid", "wifi password");
& r% n9 {6 {# M. ?# F8 n - int tryNum = 15;
! T0 K n& J, x - Serial.print("Connect WiFi");
. X, {( a4 T" y- E1 F( H' m& g - while (WiFiMulti.run() != WL_CONNECTED) {
- @0 U9 i7 J5 n' E1 X* a9 c - digitalWrite(2,0);
: I' x. a8 G% ~8 Y* | - delay(200);
# z" b; a) a; _0 j; |7 `: K - digitalWrite(2,1);% d/ ?/ `' m$ e3 J! X9 D( K) u9 j4 x
- delay(300);
) t& {6 V7 F- Z5 V. f - Serial.print(".");
5 z; ~1 [( o: i - tryNum--;
6 F, ~# W" W5 w* n: Y; p" N7 | - if (tryNum == 0) {
# l- ^3 ]3 j0 u; O: ~, `# R0 j - // 1min1 Q! x/ h- Q i' q5 e& [
- // ESP.deepSleep(60e6);1 }5 o8 v+ E$ z' D" @
- ESP.deepSleep(0);+ ?; ~# I8 Q$ u) } U
- }
& t; ]8 ?8 ^9 ~6 H& p) B: i2 a/ A - }
" P: G. a8 q4 Y/ O$ U$ ^' j - Serial.print("\r\n");
9 O+ X3 ]& v( S; u - digitalWrite(2,1);! M9 F8 S& U* J: k
- Serial.print("IP address : ");; K: d0 I7 J% S3 v+ F+ \9 ]% D
- Serial.println(WiFi.localIP());6 d, t2 T0 i1 b: z6 c+ R' Z: K
- server.on("/", HTTP_GET, [](){7 o5 l: s; k& G0 \; d( ^3 Y9 b
- server.sendHeader("Connection", "close");
# C( I2 f3 X" m' j2 q* G - server.send(200, "text/html", serverIndex);! [5 C& K( M9 [# z" r' E
- });* H. n/ f9 f8 T( P J! w- n
- server.on("/update", HTTP_POST, [](){7 G9 D( U6 l# _0 C$ \5 c
- server.sendHeader("Connection", "close");3 K" ~8 q! t+ j' q' g
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");5 f) |4 p' O5 q9 M* ^$ i
- ESP.restart();! ^/ z4 ~1 G6 y3 @, e- r2 o
- },[](){
: t; ]4 l! Y1 i( P, s$ M! D - HTTPUpload& upload = server.upload();* S0 \, E8 K3 t* N+ Z% t
- if(upload.status == UPLOAD_FILE_START){; h6 u) N4 b6 G2 s6 _' n
- Serial.setDebugOutput(true);% \, I$ i& R. T) h' T
- Serial.printf("Update: %s\n", upload.filename.c_str());* u; R; l$ L; {, S% i
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;9 D, j; s2 g' ^. e( g5 g
- if(!Update.begin(maxSketchSpace)){
' p U o* V3 n7 p - Update.printError(Serial);4 ]# D3 y. G7 \
- }4 D- K! g3 A' ~; ^& l' K- n
- } else if(upload.status == UPLOAD_FILE_WRITE){
" B9 k5 n, g7 n8 Q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){. k; B" z- m1 J' K. G- s' F. ^
- Update.printError(Serial);
]2 E" w2 ]4 v* M - }7 P e' J: ^" u" |1 C% X
- } else if(upload.status == UPLOAD_FILE_END){6 B3 f! b. U, z
- if(Update.end(true)){) ]$ y9 ~, @6 u1 {3 p" O4 |8 ]6 ~. H
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);9 K# {* C2 [# }
- } else {# F; R# v# } D4 v1 I! |
- Update.printError(Serial);
% Z4 |' P4 f) c& l* n! C9 S - }
! S) ^) \0 N: K! e2 F - Serial.setDebugOutput(false);. J9 ^1 t0 d6 P' p* Q6 S/ P
- }
" o+ D6 w S$ `, Q3 v: | - yield();# m( K( T$ D/ J) X% V+ e
- });: L+ y$ C1 d ~
-
: M' N9 R" ~: N$ y, {1 X - digitalWrite(2,0);$ j9 Q6 _+ J) [$ W
- mainAction();
6 G: `3 A* Q3 h) r% K - if (digitalRead(0)){
5 }3 V: T: | L - ESP.deepSleep(0);
' @7 k/ t; [4 S- z' Y1 { - } else {0 `% o% A! t6 D; P; v+ }* ~
- server.begin();
: J4 L, r8 d9 d/ `! `7 I3 e - }% s2 g7 A9 ]* p8 K8 j0 {
- }8 u8 p1 u8 Z. A2 j. K8 L; R* r
- void loop() {6 w9 v5 k8 h4 C6 W; [! l: \
- server.handleClient();
: f' i- G' V& q3 ]9 P& B! w7 H - delay(1);
! X+ ^2 r3 ]" R7 [5 v2 m f - } f" b; ^1 i. m* H$ i8 Y
- String doGet(String url){1 B& F. n- B( B+ G& Q' n5 `
- if ((WiFiMulti.run() == WL_CONNECTED)) {8 v/ x/ @$ }6 f+ D8 j- U
- HTTPClient http;
3 x. L; c+ P/ Y - Serial.println("[HTTP] begin...");
0 ^, s1 t* }' h& ~& I9 K! T# i - if (url.startsWith("https")) {% S- Y% Y& D& p
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
9 z) l2 S( T, t) D - } else {
- l4 O! e/ r7 o: \2 h - http.begin(url);
( l3 y# c) |% A! h( F - }
" [/ ^9 u, D" t0 T8 S G6 f - Serial.println("[HTTP] GET...");
5 ?! c4 y0 y0 |( [" i4 c; l - int httpCode = http.GET();
y3 M3 u& z# c6 j) Y5 U - if (httpCode > 0) {
# r) [6 n8 m( D: ^% J7 V - Serial.printf("[HTTP] code: %d\n", httpCode);
! Y$ q2 @" p& d: P, K - if (httpCode == HTTP_CODE_OK) {+ _& l, K' u7 I' A, E
- String payload = http.getString();: O$ Y/ {& M/ R/ \0 @2 [& }
- Serial.println(payload);9 m( v; }4 [! G' x
- Serial.print("\r\n");
& ?2 E* E- v; ?/ A# v - return payload;
* H% X- w* t1 D2 G - }- {+ q- L( B m* C- J7 t- [
- } else {
% ]; n6 O" V8 Q7 w0 J+ n - Serial.printf("[HTTP] GET... failed, error: %s\n",
- t" e' x$ O* Q - http.errorToString(httpCode).c_str());/ J$ {, j- u: i
- }
?' u' t/ D9 U, Q8 a8 m) j - http.end();6 f2 v& j0 N$ |& x4 D
- return "";
2 }3 u. R% i/ f7 h* v1 ^$ K - }( W% {, i! n; j7 r# @
- }
3 i2 P/ l9 \( A1 S9 @ - void mainAction() {
5 d# Q ?! _& _' F" p - // 发送请求
& O: |$ }5 l( ]1 @! n - doGet("http://google.cn");, L; l6 A4 z8 p# \! k! q- _+ `
- }
4 o6 q% @- H9 A5 q
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