|
|
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)+ p( z# L& i9 p8 q/ }, Q
- #include <ESP8266HTTPClient.h>
0 I) l g( R7 R, a - #include <ESP8266WiFi.h>
& K7 K/ z& |) R% n" t/ C - #include <ESP8266WiFiMulti.h>% t3 A1 n" Q: C' ~0 C a% W, C9 Y
- #include <ESP8266WebServer.h>+ Y* \/ }. x2 t( W- w8 L
- #include <arduino.h>; D! R5 Z9 ?* K6 ?# G# C# c
- ESP8266WiFiMulti WiFiMulti;
1 Q; b; h; y0 C- u0 C/ r - ESP8266WebServer server(80);$ k$ }! o( ?3 w( S: F, o* f
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
- `3 n6 I' x' o - ADC_MODE(ADC_VCC);0 a! Y) ?' i; |0 A9 Z
- void setup() {
6 F* A5 N; y% Q7 o) H4 t8 r" ? - Serial.begin(115200);
Q8 K! I6 @ D& t6 p u: ? - Serial.print("\r\n\n");
& k6 u; @5 S, U$ B# P - pinMode(2,OUTPUT);' y) R! K, Y! M7 r
- // WIFI6 ]( y6 j$ N0 @! ~
- WiFi.mode(WIFI_STA);. s1 v r* _& ]! ]) w
- WiFi.hostname("Sparkle");
/ I& Y# F* \- B - WiFiMulti.addAP("wifi ssid", "wifi password");
% R3 J# ^, S* b, v# h6 a - int tryNum = 15;$ z& y# \. R% E0 a# a/ l$ b
- Serial.print("Connect WiFi");
) }( R) ? t( ?0 `$ B B0 j. g - while (WiFiMulti.run() != WL_CONNECTED) {
7 ?0 U5 G. \9 t0 ]2 w! f. ]5 Z - digitalWrite(2,0);
1 ^ X" t" Y8 i8 h" D2 f! R. v+ R - delay(200);8 r/ c# x2 T; c3 f$ J+ t
- digitalWrite(2,1);
1 P8 s0 g. i/ d: Q7 B1 @: B6 r! q - delay(300);
$ _- n' V$ \; T6 r! i - Serial.print(".");
# r$ ?, t3 C w) \ m% c a - tryNum--;
4 U" T, w0 P/ L1 M. D. j- h - if (tryNum == 0) {
+ O, n- o2 F( q - // 1min, y/ {- z4 `: Q7 S7 ^' ~) l; j
- // ESP.deepSleep(60e6);5 W# i! W2 Q: T0 {7 [+ v
- ESP.deepSleep(0);
2 a, A. R! Q( K8 _/ m: o: Y0 P - }$ T! o. |# ^. I, H
- }
6 N3 \7 O3 Q' f8 Z4 r - Serial.print("\r\n");
5 \' ^6 u0 k2 s8 M% g3 |/ Q - digitalWrite(2,1);
3 C" T) P) q6 B7 V2 G* R0 B - Serial.print("IP address : ");
8 c1 E9 A9 D" o0 U - Serial.println(WiFi.localIP());& r- n: }2 H) F* M& C* Z3 B
- server.on("/", HTTP_GET, [](){& c- t% N4 Z+ B+ k5 x$ K8 b
- server.sendHeader("Connection", "close");
' ^5 R4 j J* G' \ J - server.send(200, "text/html", serverIndex);% D/ o7 Q8 s" v
- });
- K" Z: y4 ] b& E- ^' P3 g4 m - server.on("/update", HTTP_POST, [](){
f; Q7 a! s$ V" S2 a4 x1 n - server.sendHeader("Connection", "close");
1 f; a+ Y" ]4 L( } \% B- v) f9 F - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");4 f* c; J3 y& a$ O: Q& d
- ESP.restart();3 A1 B% e9 J( H, H' ]
- },[](){
) z6 Z- y$ a h/ w - HTTPUpload& upload = server.upload();
" [* @- g- u; ?* A0 v - if(upload.status == UPLOAD_FILE_START){8 z& k. h; w; K! F* Y" {
- Serial.setDebugOutput(true);* ]6 F8 k9 \3 X, r. B' M5 D
- Serial.printf("Update: %s\n", upload.filename.c_str());
6 q# `8 _7 K7 }9 l' \" [ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;/ F: J- L. O' a9 O0 J4 P- ]
- if(!Update.begin(maxSketchSpace)){6 ]+ {/ c6 \2 ^( Q/ P: |9 }# ~
- Update.printError(Serial);
; g( ~2 K9 m4 o! |+ Y5 \4 Q ` n - }4 |5 d" S. ^0 j( k
- } else if(upload.status == UPLOAD_FILE_WRITE){6 A2 @; k' l5 [4 l- b/ p( \
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){7 q T6 G( e o( v' y
- Update.printError(Serial);, @3 d( U! Q% d2 c
- }8 n( H' M3 b3 v% ]
- } else if(upload.status == UPLOAD_FILE_END){! S1 j2 R& }( I# m: V/ {
- if(Update.end(true)){
) R; U# j3 H b0 ~5 s [ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
- F1 I% ?: e$ v% r2 x0 u: d - } else {
" k( l4 @3 h, S2 s- i* ^, B - Update.printError(Serial);
. y& a* O5 O( M* B, ~8 E - }
9 E- X% \# k& b1 [+ R, E2 @ - Serial.setDebugOutput(false);
% y* H3 W+ H5 x' v0 x$ @$ a - }" k" Z, g7 d# f4 h
- yield();
" }* G# w8 O4 ~. Y4 Q* o - });1 H% o1 i8 e+ F- ^: |" l
-
" C6 y' K3 H/ c' d" M( h9 E. C - digitalWrite(2,0);
' N3 n: X; I6 @# q; A& j8 q/ k0 V - mainAction();( k" a5 E4 t- }6 J3 M! H! S. @: d
- if (digitalRead(0)){% M7 G: N* H. B6 v! x7 _) h
- ESP.deepSleep(0);
' V) |9 `3 L9 _6 \8 |! N - } else {* p/ H/ z( t6 _! N: H3 w
- server.begin();1 P( B$ r1 Z! y! x3 `3 z! v
- }
1 w A/ }& A1 @$ i& ] - }
N7 @" R! }% T+ {/ r1 F - void loop() {
( \# h" p; p3 ]" ?- K, C9 Q; T - server.handleClient();
7 F8 O5 L, `5 k C - delay(1);! k3 E& Z8 U* e) x/ A7 n3 h! C
- }
3 D. [1 t$ {2 g! o, G" r/ Z! Y - String doGet(String url){9 w* H2 V7 {# o; y
- if ((WiFiMulti.run() == WL_CONNECTED)) { |, J. |& e' u6 c3 _
- HTTPClient http;
; K+ i" A% @0 o$ z2 z: A - Serial.println("[HTTP] begin...");( B2 x3 `2 y6 L1 S& d
- if (url.startsWith("https")) {3 c) a- h3 Z' Y" s! B
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
/ y' _, ]' n. G/ s3 t6 W4 U. z3 Q - } else {
1 U( \3 Z# M9 a' K8 j - http.begin(url);
4 X) _3 d$ P/ P - }
I' J/ r7 v- [' E7 a; t - Serial.println("[HTTP] GET...");
0 C" Z5 ~* P7 C; s/ S - int httpCode = http.GET();4 n: j, t3 s$ ^; M) l* o. h: ~0 f
- if (httpCode > 0) {
; h( T% J' X7 ?( d4 |, Q3 y- U0 W - Serial.printf("[HTTP] code: %d\n", httpCode); V' A0 P/ M9 b- P1 h
- if (httpCode == HTTP_CODE_OK) {+ A2 M C& C6 N
- String payload = http.getString();
- A4 K9 ~# U/ @ - Serial.println(payload);
; x5 t9 Z2 Q7 D5 P - Serial.print("\r\n");) B4 b- c! x# E/ F7 X) N- N
- return payload;6 Z b4 B$ @' V7 q
- }0 d6 ?- O: r- V& J1 p- ^/ L7 y
- } else {
3 ]* h0 d: ~8 _/ h - Serial.printf("[HTTP] GET... failed, error: %s\n",9 R8 O$ n8 Z: x% b
- http.errorToString(httpCode).c_str());
/ P7 Q5 m- W" e6 G - }
2 m4 T. @/ D: E% ~+ X. n - http.end();# N$ p, w& c, q8 p
- return "";
4 @& b9 Q: U: |8 l2 l - }
1 q7 t8 ]5 z6 ^. C ~4 m - }
* z0 B7 K8 L+ {* Q+ F3 X - void mainAction() {7 I2 W; F ] W$ n
- // 发送请求! a: r. U( \) M$ x
- doGet("http://google.cn");
# a* P5 L. n: M9 @; \: @ - }/ g+ |0 k- \* ^* n. c E* l0 V
复制代码 |
评分
-
查看全部评分
|