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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)( j% t( R9 [! N2 F/ J& g. v6 P% y" p% R
- #include <ESP8266HTTPClient.h>; _, H0 J& r+ m* |3 r/ z
- #include <ESP8266WiFi.h>" q }2 ^, p! O4 U1 M
- #include <ESP8266WiFiMulti.h>
7 d- f0 A2 w3 h# w: U* o0 O - #include <ESP8266WebServer.h>
G( p% L! b- g - #include <arduino.h>, e3 t* w3 ?0 _
- ESP8266WiFiMulti WiFiMulti;$ Y) U) _/ I/ |+ ~8 M
- ESP8266WebServer server(80);
# |5 t0 y0 f; y) `) U( U# C# C - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
+ {; o# |: Z5 Z. w( @1 N - ADC_MODE(ADC_VCC);! }& Q K5 }1 F0 A* L0 C
- void setup() {5 o9 V' n9 y6 U4 e9 Y
- Serial.begin(115200);3 K9 [0 S t- k1 _$ p; X
- Serial.print("\r\n\n");
7 P& f* L+ W1 t5 x - pinMode(2,OUTPUT);
2 d! ?! p4 g% K, \( l - // WIFI
' Z0 |: F& S# T5 \' {8 G4 k5 A - WiFi.mode(WIFI_STA);
2 s$ v1 s5 |+ E' j - WiFi.hostname("Sparkle");/ a' j) n! {6 o/ K
- WiFiMulti.addAP("wifi ssid", "wifi password");
9 R9 ~0 K1 v' j% m; m1 g' N$ T - int tryNum = 15;
4 g! a* ?2 @8 A* ]$ x7 E6 j - Serial.print("Connect WiFi");) Z4 n1 m- u5 e: Z8 o1 E
- while (WiFiMulti.run() != WL_CONNECTED) {
: c1 u2 I b8 t* M3 Q( ]9 n! Q - digitalWrite(2,0);
2 x. @! w: z6 u - delay(200);
9 Q3 g/ @1 e) s0 @0 {* C" V) ~4 E - digitalWrite(2,1);
* V, f0 L2 ?, P# A' p6 E - delay(300);& R7 A# B* `, S& E: E6 d; V2 P! i
- Serial.print(".");
' h, V2 r2 N( k4 M, N# v0 s - tryNum--;( a: I+ q( ]) B% M3 j
- if (tryNum == 0) {
: j, R) W7 e+ v v" C0 \5 w - // 1min& l. |; D8 V9 _; {
- // ESP.deepSleep(60e6);
% E/ A& ^: L z5 F8 A u' P - ESP.deepSleep(0);2 W( d. r. q, o: C% e% q
- }
0 D; S1 j: C5 e' w% D, J# k - }
3 |6 }5 x# d$ j" n1 u4 C - Serial.print("\r\n");' r+ B9 e! y, i" X3 E( ` B: {6 z
- digitalWrite(2,1);
" C" f/ k' b( }2 {4 c7 C2 f( E - Serial.print("IP address : ");. m2 w# d7 v% f
- Serial.println(WiFi.localIP());
$ Q1 l; d0 X# g8 d1 A I0 q( G - server.on("/", HTTP_GET, [](){5 T' }( }6 K# h
- server.sendHeader("Connection", "close");
4 z! b) K l* v* {/ m0 g7 d - server.send(200, "text/html", serverIndex);) P7 J9 B3 m, D2 p( P" l
- });& w1 Z/ O/ L( a
- server.on("/update", HTTP_POST, [](){
6 P, j7 l& q; _4 y- @6 v! D0 R - server.sendHeader("Connection", "close");& \: j* L% M, F ?; [! X
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");) o: p8 g- l+ j: p6 P0 v* W
- ESP.restart();
( Q" J" T( G9 j% D1 w - },[](){
, W7 t6 {/ s. T x# w - HTTPUpload& upload = server.upload();1 w, q! C- p2 R
- if(upload.status == UPLOAD_FILE_START){: U1 G, T! B4 v1 h$ p) Q
- Serial.setDebugOutput(true);
1 e0 C" T4 \, K! L9 O( A - Serial.printf("Update: %s\n", upload.filename.c_str());+ E$ c# t: O6 b7 r) K D) R: c
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
6 ?1 \9 w5 W0 H2 G - if(!Update.begin(maxSketchSpace)){
& E2 A8 Q" u- t2 ?: F& A - Update.printError(Serial);. A1 z, l+ ? `& \1 z9 D$ b9 O) n
- }
7 C! e6 T# S+ z* L9 ? - } else if(upload.status == UPLOAD_FILE_WRITE){# |$ j3 C3 u6 N* ?
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
8 v/ i" E8 O! e& ], f, L. s. ~# n - Update.printError(Serial);1 T2 Y. a% ]6 y
- }
! E# j8 @4 o- W( w" y0 W6 ^& ~7 U" k - } else if(upload.status == UPLOAD_FILE_END){
, T' I8 R9 w, J& `3 x: q - if(Update.end(true)){! ]7 R. I: {6 i! b8 d t- t- ]
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
6 q- n4 e( V* C4 ~) x - } else {8 A$ }4 E8 t& g8 K* \2 A
- Update.printError(Serial);
: h7 O4 e! l# S- [/ e3 \ - } m- t7 {8 Q! x- D5 M
- Serial.setDebugOutput(false);; N% r# V# Q7 v {1 g) c
- }
% t \& O, T* i1 T2 q' e- e; n - yield();
3 P o$ s# u/ ~5 \' e. h2 [0 n8 r/ r1 b& M - });; _) c6 L( {1 ?, y& g+ q) }; _
-
8 C% j! k' ^1 c! H" Z5 w - digitalWrite(2,0);! B5 }; k! O3 v/ n, J+ {2 t
- mainAction();
! G$ Q/ k+ D/ r5 y1 t2 Q - if (digitalRead(0)){; S* M8 x8 D" C! O! c# R
- ESP.deepSleep(0); o! K4 E! M! I& {
- } else {
0 s& }8 a0 O' D8 |5 D3 P1 i4 d - server.begin();
3 h% L2 N) j" {4 K+ Y8 N L* c - }0 i, Y' Z( t8 w6 j8 V" h
- }
: x( E5 M- s, @+ O - void loop() {* y" q' S" }1 a( h4 j: d3 ]$ K% h& x
- server.handleClient();
4 {" W& e3 ~; J/ D) a, d - delay(1);
. ]/ e& S( W- u9 b9 I9 I3 v - }: u" A2 C2 N! Q3 b' C+ `8 ~# |- m/ S' m* E
- String doGet(String url){: q4 V8 e9 A6 q" I+ i
- if ((WiFiMulti.run() == WL_CONNECTED)) {
4 i. j' M# i) N0 ^; z, H2 ]" i1 v - HTTPClient http;
# V$ c; D: J; ?. g - Serial.println("[HTTP] begin...");
' z) q* @( u) E1 U' \6 C - if (url.startsWith("https")) {
* E' B" _- p3 o5 ], s1 N - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");0 ~; Z M" K, }% z' a }, s+ N
- } else {
. H* I) @- ]' s8 H% ?4 V - http.begin(url);
2 u0 {. {, A1 i% T; G4 f - }, Y" ^! t8 b1 S7 l( N2 Q" `: l
- Serial.println("[HTTP] GET...");
7 }, y. u( z6 t$ Y. K6 u - int httpCode = http.GET();
5 Q6 \% W& } G- @( _ - if (httpCode > 0) {
# f% b C+ r" ]/ c5 l* E; x - Serial.printf("[HTTP] code: %d\n", httpCode);
1 x& C' `3 ]4 ^ - if (httpCode == HTTP_CODE_OK) { _# x# H. R% O$ z0 v1 R. m/ r
- String payload = http.getString();
8 g# u! i* b0 e9 | - Serial.println(payload);
4 g* b9 A' Z# C8 | - Serial.print("\r\n");
" }' R2 s; }# i) Q7 S - return payload;6 P5 ^6 W; t- C+ G9 O8 h( g
- }
0 T: j' a% W! H3 y& w" k* C - } else {
; G0 @2 d$ y. \% f I/ M9 s - Serial.printf("[HTTP] GET... failed, error: %s\n",* ]0 K) C4 ]' m8 |
- http.errorToString(httpCode).c_str());# _3 _! r) @* \$ }
- }' ~; I1 `# y3 Z% y% \7 p, ]3 x4 a
- http.end();
) l6 y7 G1 A { - return "";+ P! g$ g1 i" e |
- }
4 p" P8 L% M; o - }% W. [' p$ y2 f
- void mainAction() {
: p& S) h/ N9 R3 ~ W- r$ Q n. r - // 发送请求
6 K, L3 q' O. v% P0 Z; ?+ T8 c - doGet("http://google.cn");" R2 c. K: a8 [+ R8 _
- }" i S+ W- p9 m
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