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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)1 _' j& R7 m, c
- #include <ESP8266HTTPClient.h>
7 F) w" o8 t' Z: F' R - #include <ESP8266WiFi.h>0 y6 |2 h7 f$ Y3 l, `: j" X' M" g" }( A
- #include <ESP8266WiFiMulti.h>/ ^) Q* v3 I8 g3 j
- #include <ESP8266WebServer.h>3 e# {; t0 z7 a$ E4 \& y% ]% t
- #include <arduino.h># p/ x) z0 h- L) N+ r$ [8 Y( a9 ]
- ESP8266WiFiMulti WiFiMulti;
/ }1 s3 S$ C/ y9 U7 S1 F5 ~ - ESP8266WebServer server(80);
$ L7 j0 L& }/ m - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";3 |0 O2 ~! a* K+ u3 t0 U
- ADC_MODE(ADC_VCC);. s) ^% _' x/ y7 e/ i
- void setup() {: N8 ?% W2 Z8 \) v0 v" ]4 H
- Serial.begin(115200);# U$ K& u. o! ~2 n
- Serial.print("\r\n\n"); { K5 l, E; z5 ~+ w) @
- pinMode(2,OUTPUT);
" J. _& W3 O/ L6 N: J4 [3 V( K - // WIFI! g4 |8 x- e3 c" M. d! k
- WiFi.mode(WIFI_STA);
5 s& M2 h0 {" k; R) ~0 F0 o - WiFi.hostname("Sparkle");5 J8 Y3 @/ m: ?- B) y, R8 @* r; K$ i: d
- WiFiMulti.addAP("wifi ssid", "wifi password");
% u4 T7 z- ]2 L0 \- B6 {( l( d - int tryNum = 15;
! g$ S; v& s5 E% `6 G3 N - Serial.print("Connect WiFi");% U6 W0 ~6 H7 q
- while (WiFiMulti.run() != WL_CONNECTED) {1 a9 Q6 ~5 {; l n% ?3 \
- digitalWrite(2,0);
+ _6 G* X, u4 k# \! E+ |% @: T! i: I9 G - delay(200);" L+ i7 [- D t. p, A$ Y8 ^
- digitalWrite(2,1);
* }/ C: I2 B e9 P; Y - delay(300);
* \7 m& Q; l7 h- | d - Serial.print(".");! n% d: G! [- I2 M3 P6 d$ S( u3 u# L
- tryNum--;4 Q3 K! y1 Q( E! ^$ ?
- if (tryNum == 0) {
3 V: _. @$ n; G& \& s - // 1min
" c( x' g$ ^2 G y - // ESP.deepSleep(60e6);( V9 h- p. m6 C+ v6 {: ]+ m1 B" g( h
- ESP.deepSleep(0);
8 _, N- `# n( j - }
+ L4 { H; ^' S+ F" J q1 K, [$ z - }
, Z4 g2 m) |$ G, K0 j. L - Serial.print("\r\n");
# N5 y/ R' i a/ A7 E3 A - digitalWrite(2,1);
. P" X7 n3 k1 @3 L - Serial.print("IP address : ");
4 K7 _3 @; B. r# q1 `7 X - Serial.println(WiFi.localIP());! S! d8 c* u7 }, n6 \
- server.on("/", HTTP_GET, [](){% A5 h# H- G) o- X* [' R3 U& d
- server.sendHeader("Connection", "close");% ?( Y. r0 h' y. ?3 d7 _# T" C
- server.send(200, "text/html", serverIndex);
/ y+ C5 v$ |) D. G' h; O - });( _2 A; A% x' u( g. I2 j
- server.on("/update", HTTP_POST, [](){
+ L! O' C1 B; R0 I0 ]8 l8 C - server.sendHeader("Connection", "close");" G9 K4 |( S4 c: q9 q3 D) i
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
5 _# T' A6 o( _& [( Y X - ESP.restart();
" b4 f- p7 H/ `" k( p* K4 I - },[](){
! S- q* {: i# t2 C6 Z U - HTTPUpload& upload = server.upload();
( g- N/ Q; K& l0 A; i0 Q# Q$ N4 L' v - if(upload.status == UPLOAD_FILE_START){" `. a. s, N0 M
- Serial.setDebugOutput(true);* x4 x0 H$ ?$ n& a
- Serial.printf("Update: %s\n", upload.filename.c_str());
; d q7 \$ g9 R: u* E T - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
( q- ]$ k9 E0 ?4 I+ H5 H - if(!Update.begin(maxSketchSpace)){
, O; a I) A, p2 c. ` - Update.printError(Serial);$ u g" i8 W+ ]' ^$ |
- }
1 `. y; D6 ?( h, k4 @ - } else if(upload.status == UPLOAD_FILE_WRITE){1 ~; g1 n1 g2 G+ w1 F) H% U
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){ M' D c! P; O1 \+ Q
- Update.printError(Serial);
. v2 W2 t, u. _& `( n - }3 Q/ O% [/ v3 C3 G
- } else if(upload.status == UPLOAD_FILE_END){' V4 w, d. K: l* h. d1 _1 E
- if(Update.end(true)){
2 P4 b: E$ R' r5 W# Y9 o - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
. g$ e! q1 b# V# S2 x2 t5 ]* J - } else {: N* B; ~* t) O# a* h
- Update.printError(Serial);$ o& t# P, p- T
- }$ n( f$ A3 l' b3 Z! o+ {1 k
- Serial.setDebugOutput(false);2 t8 k# Q2 \$ z; o }7 i
- }# d. L: _( [* D T+ z$ I
- yield();
# B& m% P) N; a: O" s - });+ C; V$ g D4 o1 u+ X
- , X! \' _5 T# U% H- v3 ~. |1 N
- digitalWrite(2,0);7 t- ~/ C) S6 m/ C: S C
- mainAction();1 A: y2 V5 b, J* c
- if (digitalRead(0)){' X3 ], R |8 [' ~
- ESP.deepSleep(0);! W- X, }. l. ^! ?! K" s
- } else {
; X6 _" E/ }4 j/ J* \2 b0 w' z - server.begin();6 t# S: j% L; u$ S' C& j# v7 N
- }
( s. L$ Z7 c' z9 K) s! H+ U* L5 w - }. j- B" j! b2 [
- void loop() {
& e; ^/ V# A; \- u; \! f/ E - server.handleClient();
3 L2 q6 g0 r( C; v* K - delay(1); J- O7 l; J) L9 ?
- }7 R! }6 ]* f3 b
- String doGet(String url){6 h; E4 \9 q6 H# m- o8 r: D
- if ((WiFiMulti.run() == WL_CONNECTED)) {" B9 ^# C7 A% | }
- HTTPClient http;
' W' E# U2 M+ `6 Z - Serial.println("[HTTP] begin...");* e6 J' h3 q8 m. L! ^- k. \$ n, G
- if (url.startsWith("https")) {
+ B. o. E" w( }6 w5 U+ ] - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
6 Q4 E! ~& ?7 W6 y* W - } else {! b: ^( T- K& |+ n$ ~
- http.begin(url);: u: ~$ ~# n0 q: M( [! M* J, [
- }8 W$ L# s" X- J1 c2 i
- Serial.println("[HTTP] GET...");3 ]3 c8 m4 |' ?' {
- int httpCode = http.GET();6 D1 q- k1 {" F) L0 N' O
- if (httpCode > 0) {$ [$ G# i. B$ b3 l
- Serial.printf("[HTTP] code: %d\n", httpCode);. N" ]5 U1 H0 K
- if (httpCode == HTTP_CODE_OK) { ~& u& u+ |% ?, h
- String payload = http.getString();
( T' B! }4 o( J9 k- |3 `) c1 B - Serial.println(payload);
( [0 Y: n0 `, a/ p7 ]# D! q - Serial.print("\r\n");. O( n5 l- F4 L
- return payload;
3 p) K6 B2 p/ ?9 m: c - }
/ E$ o3 ]! \, ], O - } else {
- K+ m3 O1 ?% }, Q+ p9 z - Serial.printf("[HTTP] GET... failed, error: %s\n",
" e$ z% e3 H9 i2 j! ^ - http.errorToString(httpCode).c_str());
1 @1 i! R1 @6 A; X' c; T: Q - }
& N1 U4 {3 g0 i. Y% q, |6 P# p# j - http.end();
1 D( }2 ], E: R - return "";% ?% v6 q( b8 M' H) T: m* n7 ]
- }/ k: o% P+ D4 x0 e: ^
- }, E) a2 w0 T4 a8 D: d2 k
- void mainAction() {
5 _- P d! H2 \. G5 F - // 发送请求
' L" l6 q( \6 w* y$ m8 D7 m' d - doGet("http://google.cn");& i b, j0 n. k
- }2 n+ H: k! t, z2 b; n1 {# R
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