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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)
^. p: H, o' E$ ~$ p2 }- #include <ESP8266HTTPClient.h>
- z; ]) _) S. O# J1 m; J" t. i - #include <ESP8266WiFi.h>' ]4 x( v' n* Y. d. K0 e# n
- #include <ESP8266WiFiMulti.h>
6 C" e# x8 W8 b' y$ q$ @) Z - #include <ESP8266WebServer.h>1 v) q$ d' v% [+ ?, h: `& e+ s+ R
- #include <arduino.h>
( `( d! F* R; r' H6 L! d: C5 K - ESP8266WiFiMulti WiFiMulti;
: v5 }' G. H1 {6 x - ESP8266WebServer server(80);- m Z6 |7 `( }2 V. m
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";( J! D+ L8 r1 N8 T3 ]/ Z
- ADC_MODE(ADC_VCC);4 h _6 p* R4 s( C
- void setup() {/ P9 n( H/ W5 B" b h- E4 w$ u
- Serial.begin(115200);
3 K& U" D, I6 I* y, `' j/ `' _/ k - Serial.print("\r\n\n");
" t) d. g" r) C8 ]' |! F1 Q* O - pinMode(2,OUTPUT);
4 `7 ]: ^+ w% c0 [1 ?4 n' d5 @ - // WIFI3 O/ U' `! W5 c3 ?0 `
- WiFi.mode(WIFI_STA);
d9 V! c! `/ C. c- q( L - WiFi.hostname("Sparkle");
) a) P1 W0 g) w; c - WiFiMulti.addAP("wifi ssid", "wifi password");9 P7 G) @0 h' t1 q8 w: M1 V( {
- int tryNum = 15;
# \5 N, b0 H" R% |) `/ y - Serial.print("Connect WiFi");
& U! C- @! T4 E2 q2 _ - while (WiFiMulti.run() != WL_CONNECTED) {
5 c# d" r1 T* u' z6 Y4 z4 }4 T( P& c - digitalWrite(2,0);
9 K( J" p0 p. c; o4 o - delay(200);
+ Y1 P' M7 E" W - digitalWrite(2,1);- L- s6 a( j: v2 w. v1 {1 ^
- delay(300);
9 `; z- q! P% E2 S - Serial.print(".");3 |3 }3 D1 \; J: k
- tryNum--;# |% s4 N9 F* K! s4 ?8 {* w. `# a
- if (tryNum == 0) {. w8 J' |9 k1 |
- // 1min; a$ Z4 O% n2 A3 I/ d
- // ESP.deepSleep(60e6);
! Q- U7 f; ~. v! l - ESP.deepSleep(0);5 O2 \7 V) c4 J2 g7 \/ _
- }
+ s0 ?* R5 h9 l1 [9 q7 G2 a9 Z6 Y/ W - }
4 S( y6 F* O& u: l. t7 N2 j - Serial.print("\r\n");: y; K w8 S% j$ I# A, X2 m
- digitalWrite(2,1);8 d. M$ Z5 W/ I1 F
- Serial.print("IP address : ");# ]& V2 a' X: `, h
- Serial.println(WiFi.localIP());
- N" L3 q% w8 W3 a& B* d6 w# |" I - server.on("/", HTTP_GET, [](){+ d- ?+ a, E3 @. h$ j1 K
- server.sendHeader("Connection", "close");4 Z" y* R5 _) d6 ]; l# t0 w
- server.send(200, "text/html", serverIndex);4 N: W3 W* k1 }1 m& g; ]7 h
- });" `2 G% { a. |
- server.on("/update", HTTP_POST, [](){
, j* e& ], r! V$ ]- Y- l - server.sendHeader("Connection", "close");6 X) o. ]4 n& n+ v6 j1 ]% H
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
" ]( v" c, v4 r* z5 E4 e3 \, s& o! I - ESP.restart();+ W5 i. ]2 z7 i1 {1 m n
- },[](){4 B$ u4 X0 D. s7 @
- HTTPUpload& upload = server.upload();
& p8 h T6 P. @6 O) `' U - if(upload.status == UPLOAD_FILE_START){ N; C3 I8 n# Q, g; c& L5 I
- Serial.setDebugOutput(true);0 m q3 a/ q6 v2 H7 I& X
- Serial.printf("Update: %s\n", upload.filename.c_str());1 H3 L# ~& \; K2 \
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
& d( c- z4 P1 m0 _ - if(!Update.begin(maxSketchSpace)){! i0 v$ E. m8 T6 t; w5 ~2 S9 Y
- Update.printError(Serial);
/ @" P0 \* Z2 ` a; |5 R - }
* O& N4 O. K. S! L i - } else if(upload.status == UPLOAD_FILE_WRITE){) Y2 p. {9 C) W- W' T7 y- s
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){4 \8 L8 Z6 H% C0 ~4 \/ F9 i0 d1 k
- Update.printError(Serial);' N7 R& ^1 k. H1 P7 d8 @
- }
F$ V+ L, L1 w( O$ h$ Q - } else if(upload.status == UPLOAD_FILE_END){
. L6 \& X, f" `0 o - if(Update.end(true)){# p$ ?) `9 ]6 ?& p, s
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
0 F1 @( |: X3 B" [! O. z - } else {$ }* [2 d# j+ _+ v# V1 j: K
- Update.printError(Serial);' q1 M; l/ C8 P, x' s' H
- }
3 f- `: [/ _% ^% o: \& n$ l - Serial.setDebugOutput(false);
0 |8 [0 x% x' F% c( V6 T# a - }3 u6 o5 K4 j( u* i( g
- yield();+ A4 [# x/ J6 f+ n8 b
- });
# g6 B3 E u7 @3 c: l - $ D# T3 G" |, L1 s4 l
- digitalWrite(2,0);
1 U6 w/ k( Q! f. R8 [+ G - mainAction();+ O) r' `0 \+ N* k: Z3 _ s! J
- if (digitalRead(0)){
1 V U+ [. c6 m - ESP.deepSleep(0);# [2 S$ W6 _0 x# E6 e
- } else {; P L5 l3 U$ ]: c5 g
- server.begin();
& F8 b" F# b6 |0 i( U - }! I7 a* }- p" N: a; h5 Z) h" c
- }
9 B# j1 o$ A, R" I. Q# W5 f; d, d - void loop() {
- M7 Z' P' q( x8 i' u - server.handleClient();
1 P. }9 Z' K6 m1 l8 b. n - delay(1);
P {0 T$ K" r - } w% A( ~2 T1 r/ L, N( m8 n5 W
- String doGet(String url){: I V1 m5 [' U$ T+ A; F1 L N
- if ((WiFiMulti.run() == WL_CONNECTED)) {
+ ~" \9 {- z1 F3 `, B. w! T Y - HTTPClient http;( |1 [, |6 |+ W i% Z0 T
- Serial.println("[HTTP] begin...");
7 z( C9 t% j0 c0 R1 V5 D - if (url.startsWith("https")) {
( s/ n* l% o. C% z4 E - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");" R& Q; C0 o X6 m4 M% E0 J3 A0 j
- } else {
# e& E+ F) A7 r+ _ - http.begin(url);, n2 u, F8 ~; {& s: [+ X' }1 X
- }' R3 c9 Z5 f0 g) d1 D! U
- Serial.println("[HTTP] GET...");/ l9 M, j5 p; S6 `6 _5 |
- int httpCode = http.GET();
( X5 F' S/ T9 C) S( A' y. G - if (httpCode > 0) {# r. V3 E( J" U h. ~ x
- Serial.printf("[HTTP] code: %d\n", httpCode);6 x2 c2 V1 s3 l& z
- if (httpCode == HTTP_CODE_OK) { M5 W7 P# W! N0 K; e0 c
- String payload = http.getString();
1 U H4 {) D: D. t' v5 K - Serial.println(payload);
) N" g V7 N# p, e - Serial.print("\r\n");3 T( `4 W' X. D3 [' \, @* {2 d
- return payload;
9 N) l% l5 f; t9 Z - }' m3 Y0 }2 f# y+ h
- } else {& c8 R' V( l: l! H5 Q! g
- Serial.printf("[HTTP] GET... failed, error: %s\n",
' c# j% H7 V0 @" ^# Y3 E8 n - http.errorToString(httpCode).c_str());9 D: v2 t9 b; n4 [/ J; ^
- }) M! v+ A& w' r- a1 f$ U4 U
- http.end();
$ a4 U4 g9 J, Z - return "";+ `$ ]: r: g; M8 i6 q/ p
- }6 }7 M$ ]+ L- e% _* M0 \
- }3 \. I# G% O; C M1 i
- void mainAction() {1 n5 F. \: |- ~" S! c
- // 发送请求
1 @/ ^ Q4 c( V - doGet("http://google.cn");
. e, g1 Q4 I9 g - }
# E8 i P( L2 o& m6 b/ K' P1 A" ~
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