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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)8 b, p2 K; a% `" a
- #include <ESP8266HTTPClient.h>7 \' e1 ?' N8 o, s: v: G. A" w
- #include <ESP8266WiFi.h>: `# Z# t6 a$ u5 I j) {9 y* C
- #include <ESP8266WiFiMulti.h>
4 W% _& _$ q9 B1 @9 x - #include <ESP8266WebServer.h>+ Y: I; s4 j# P( j7 Y
- #include <arduino.h>5 ^ o L; {6 H, Z" @$ S4 M7 [' q
- ESP8266WiFiMulti WiFiMulti;
* v) }/ F2 j/ X9 B$ B: Z - ESP8266WebServer server(80);
" V6 G' y# K5 a$ ?3 t- O3 M4 [ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
2 y" y. s: [# y5 _$ i- \) t - ADC_MODE(ADC_VCC);% \/ g E9 q5 G# q0 R
- void setup() {
: P% g8 [1 u& M2 s. i9 e- Q3 o - Serial.begin(115200);
1 ~$ ?" U& k6 S9 E2 J - Serial.print("\r\n\n");
. m: ~+ T7 q* F0 t) Y9 V v5 G - pinMode(2,OUTPUT);
8 _7 s3 b6 g' Y1 b7 W. } - // WIFI
~. }1 A; q3 ? - WiFi.mode(WIFI_STA);
% C" K! i, ^& y$ M4 d, t1 p - WiFi.hostname("Sparkle");
0 A' p p% _2 c- i' B6 N; w9 u; E - WiFiMulti.addAP("wifi ssid", "wifi password"); [+ |/ D* r5 m- L
- int tryNum = 15;# B% B0 X7 Z5 i- H* q! G
- Serial.print("Connect WiFi");" T9 N1 {: [6 N5 q* e& Q' d4 t
- while (WiFiMulti.run() != WL_CONNECTED) {* C8 T6 ^: O+ m! a6 ~1 K8 J: e
- digitalWrite(2,0);
7 T+ t4 E( M& q7 Z - delay(200);0 a. z7 z9 r( O* Q7 @
- digitalWrite(2,1);
+ T7 S; E" j: j5 ?" j - delay(300);
+ ]4 T; r! Y! C& E) P/ `3 V - Serial.print(".");
" L7 f( o7 n2 B( i' Y- i0 l- O - tryNum--;
, C3 n; g+ w! z1 ~4 f6 v - if (tryNum == 0) {+ C' ^; b3 j3 J0 U
- // 1min3 g+ Y9 d8 H7 _, `/ j
- // ESP.deepSleep(60e6);
6 g) z3 ~/ {6 ^, }8 |" ~- K - ESP.deepSleep(0);
8 k( k, a: x% _& ?- W$ l - }+ `6 `7 t! a9 K6 K5 [
- }! K# |' q, q' t: d2 J' D6 T
- Serial.print("\r\n");/ n2 |4 g# Z i6 E9 a/ }
- digitalWrite(2,1);; D$ p7 B: K0 D$ K) w0 F
- Serial.print("IP address : ");
( _& i7 v- } {/ R( K - Serial.println(WiFi.localIP());
( o3 N' d3 R0 g2 ~, K - server.on("/", HTTP_GET, [](){1 c# Z1 J" }. H# Y
- server.sendHeader("Connection", "close");* E5 o, i7 F, E3 z! M* R
- server.send(200, "text/html", serverIndex);3 d3 D0 v1 W. L5 U! Q' ~, r
- });4 ^/ S, X1 { ^
- server.on("/update", HTTP_POST, [](){
. q8 I- R$ Y0 {( T% m$ N - server.sendHeader("Connection", "close");& c2 L( Y$ ^9 W. q. a. ?8 V
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
7 J- r3 @& `2 H4 o0 R1 `- I - ESP.restart();
& E, `7 s9 s, ? - },[](){
w1 A4 A' v* b - HTTPUpload& upload = server.upload();
7 h+ t8 [" r! D2 i: |0 g7 |2 U - if(upload.status == UPLOAD_FILE_START){: @1 S0 Z/ L3 w* J% y
- Serial.setDebugOutput(true);0 G# d& e0 V) E3 h) ]+ k5 |/ N
- Serial.printf("Update: %s\n", upload.filename.c_str());" D. U9 ~9 g4 G
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;1 V- ]+ }/ X T( Z* l' [" ^0 w# k8 z
- if(!Update.begin(maxSketchSpace)){2 P: ]" V( C& |9 ?! E* N
- Update.printError(Serial);! z2 x% |( i- X2 { Q, n; ^: p
- }. Z1 b/ M; Q- {( i
- } else if(upload.status == UPLOAD_FILE_WRITE){ y) A) A3 y! i! d. U5 k2 G
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 d" n. g- R! B9 N6 w! @ - Update.printError(Serial);* Y" _ @$ A9 B$ }4 u* l' \ e: C
- }
# o- ]! u$ r: S' U# R6 A K - } else if(upload.status == UPLOAD_FILE_END){
- z' A" I7 f7 Z7 v - if(Update.end(true)){4 ^ Z1 N1 |& f% K7 Y" p' {: k
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);5 P5 @' W, q' ]5 V0 h, U4 {
- } else {6 T+ m U) @5 @2 D- _- {9 C; I
- Update.printError(Serial);
0 C) f; l* K1 O% B, H# J - }
8 ~1 m7 x$ q/ S ~" X - Serial.setDebugOutput(false);) x" F" `3 B, h1 W
- }9 p2 U! ` Y: q4 I4 H- V
- yield();( j1 m# ~- S! m a
- });. H% Y5 X1 e) i9 ?9 A i" L
-
1 w7 {5 g+ j z, N - digitalWrite(2,0);: d2 f5 J2 s% }; S6 k X" B' C$ b
- mainAction();
! P# X; `$ x! N; t! a8 k3 S0 h# H - if (digitalRead(0)){* b5 S( w% C/ O) O9 ?, ?' p/ q# B
- ESP.deepSleep(0);
" F: A5 \$ d' Q7 }) j2 v - } else {
! |0 ]7 \/ i* i) l# K: u! j" h- M - server.begin();
, h8 `' Q" M2 b9 A- c - }
. U# u$ Q4 V! }# k - }! \0 D* P8 M& D+ j! n' h! ]
- void loop() {
9 D3 ~- p: `2 E4 z3 E+ I* H - server.handleClient();
0 c8 V+ W3 j; h- }# | - delay(1);
* h5 H0 k) y6 h. m - }
: g4 j0 z D0 y! _ d" y/ A: E - String doGet(String url){
! f- {) v5 R5 e+ W% | - if ((WiFiMulti.run() == WL_CONNECTED)) {
' k! N# ~$ P% [( Q! Z - HTTPClient http;5 }1 Q, e' R9 r: U2 j
- Serial.println("[HTTP] begin...");
" X8 k, G s, Y& X - if (url.startsWith("https")) {
2 H) f% Q2 v! X$ @& J$ m% t - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");! E0 C% A5 d7 r' \
- } else {$ c4 I4 n" h- H% o8 G: g
- http.begin(url);
5 C5 d! s+ B0 V/ h - }
/ O- Z M5 q8 n0 O( y& e s1 Z - Serial.println("[HTTP] GET...");/ M, W( C2 m" R$ C
- int httpCode = http.GET();) ^) d- G% X! a* ]. ^+ e! x5 p
- if (httpCode > 0) {
1 W* N1 t+ q$ f2 Y! w( \: g6 Z4 [ - Serial.printf("[HTTP] code: %d\n", httpCode);, }( j$ Y4 ]0 q$ s# \8 L0 ~* b5 i2 v
- if (httpCode == HTTP_CODE_OK) {
# C/ I, |# _3 b - String payload = http.getString();3 [( y: v3 a2 X& l
- Serial.println(payload);
0 D* P% r+ ^* a7 s - Serial.print("\r\n");
. R' v2 b$ S0 W }1 Y; K - return payload;5 i# Q6 p% M8 d' e/ x' E( }6 S
- }7 m) ]- A4 q# {0 ~3 K
- } else {
+ P! c9 y* L' E& h1 @) g& a* s3 z - Serial.printf("[HTTP] GET... failed, error: %s\n",
$ X# \/ G+ A* q6 l - http.errorToString(httpCode).c_str());: E/ s+ V0 e3 `( q% T- C" E0 ?8 l
- }
% ~! R- @% q1 x" ^: X" N) e - http.end();
9 x2 n5 h5 J1 J6 s - return "";& S& x6 m& }* |
- }
3 e. w& S8 z) J; j! r5 e, l - }
) Q# `+ b2 _9 W& d% E x0 m: r - void mainAction() {3 }3 D& V9 W# e' }6 [9 e
- // 发送请求1 |- E8 R. V3 O2 z
- doGet("http://google.cn");
( P. ]+ ~0 U0 J/ H3 y4 p - }6 i# ]! W: @ d: P
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