|
|
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)
) _2 x. v; w e( @) l6 m( X! \- #include <ESP8266HTTPClient.h>7 F0 t; i5 Y& t
- #include <ESP8266WiFi.h>, U( F/ ^' ?6 Y1 I- ~
- #include <ESP8266WiFiMulti.h>7 L) X6 ~! d f$ W& E
- #include <ESP8266WebServer.h>4 N& G7 {% G) H; E m3 v, O% Q; s
- #include <arduino.h>" l W/ H t- F N3 p4 ]: I, H$ I
- ESP8266WiFiMulti WiFiMulti;
3 G4 N% k" M! |+ } - ESP8266WebServer server(80);* N0 I1 J3 |& V; d' W2 | y
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
: C8 \! G& R9 i) O - ADC_MODE(ADC_VCC);; M0 l, {1 _. G1 b- T7 l7 T6 ?7 T
- void setup() {
6 p; [) z5 \, F3 l+ r - Serial.begin(115200);' }4 o& l; R& \/ P
- Serial.print("\r\n\n");
! R+ l' h+ Z0 j4 ], Q' A2 w - pinMode(2,OUTPUT);
( \ K) }& ?0 v0 v - // WIFI
4 q' _2 _7 N& i6 o# z - WiFi.mode(WIFI_STA);- J" Q* j2 Q f8 |1 F* f
- WiFi.hostname("Sparkle");& f9 Q+ F H# r: r* n, [# {
- WiFiMulti.addAP("wifi ssid", "wifi password");
5 U; d: D' \$ H0 O( X( K- { - int tryNum = 15;
$ b& `! @+ I% Z# w0 b - Serial.print("Connect WiFi");* u- r0 O) B8 X. k9 O
- while (WiFiMulti.run() != WL_CONNECTED) {3 W( i; v% P1 m& V' `- }
- digitalWrite(2,0);, _, P; H% ~* V: Q s! L1 c* y) O9 n
- delay(200); F& q, L2 Q% A; j6 S& d
- digitalWrite(2,1);& u" U! [0 `$ L4 P
- delay(300);/ a& N' b( s7 l7 u
- Serial.print(".");
5 O1 D/ @2 Y/ p0 ?* r0 }3 _ - tryNum--;
. }- T+ A7 ~* B! r: T+ p7 s$ r - if (tryNum == 0) {8 O" j u$ ]. U' L$ P
- // 1min
9 W \+ @/ {* |. l' T; c - // ESP.deepSleep(60e6);5 ?& y1 Q0 w- C1 R) }8 e# D: c
- ESP.deepSleep(0);- R o, ~! [; u4 [/ N6 V0 N
- }# }2 w; n5 j5 v) K4 Q+ n1 ~
- } Y! o, `/ m e4 e5 h5 w. U+ R
- Serial.print("\r\n");
/ P% j' l6 r) k6 T2 e8 h F) _ - digitalWrite(2,1);' P0 c5 _$ g( k
- Serial.print("IP address : ");9 o P) f# K1 u [; _6 H
- Serial.println(WiFi.localIP());6 A- J5 F6 l& C( J& I* Y7 w" B, P3 [
- server.on("/", HTTP_GET, [](){
( o4 l2 [. r+ r8 [ - server.sendHeader("Connection", "close");
7 p6 Q& J7 n: g8 N- x/ X' q - server.send(200, "text/html", serverIndex);! n4 z, {# b% v' H8 ?* I7 f
- });
2 P$ U# G1 p! n0 c - server.on("/update", HTTP_POST, [](){
$ c2 f& y+ i9 T# G# O9 e4 | - server.sendHeader("Connection", "close");. Q0 O8 |" q( [- H
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
* }# ~3 ^7 T/ C, n# N - ESP.restart();7 S. t& n7 F# j) B- c# J
- },[](){
1 r- M/ M5 e0 c" h8 Y* R - HTTPUpload& upload = server.upload();
2 M% t2 @& x7 z2 r/ K( l - if(upload.status == UPLOAD_FILE_START){
* B) a" ^. O9 W- L - Serial.setDebugOutput(true);
" R+ A a8 A: _% c3 z" g - Serial.printf("Update: %s\n", upload.filename.c_str());
7 s4 I6 u1 K; D& N, \ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
& O% v' O7 O( o9 P C' Y - if(!Update.begin(maxSketchSpace)){
: `; \, n# n8 L3 t" N% {/ I' } - Update.printError(Serial);
* f* U4 W5 b) c0 A- p - }
* }+ H i4 L- o' v4 L9 k3 n5 O - } else if(upload.status == UPLOAD_FILE_WRITE){) A5 U4 n L- ]
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){2 R2 m! Z) R' A) f( J0 G
- Update.printError(Serial);$ B, L# O2 L! l8 h7 h1 X
- }
% {7 c+ d$ ?- I9 { - } else if(upload.status == UPLOAD_FILE_END){
1 g+ G- \( a# ^9 m* r0 M! V - if(Update.end(true)){
4 w/ Q0 G# \5 U3 `" B; i/ R - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); L9 V$ X% @# C% |3 |) P3 k
- } else {
& O# D3 [% h6 w1 q& O: i - Update.printError(Serial);
4 L1 X1 |# e1 e4 U - }7 T6 l8 ^( m$ G% X8 b
- Serial.setDebugOutput(false);
2 c' i ^3 t: H$ S4 { R* d - }
6 G: ?7 q% ]- t. G - yield();7 `6 j+ [- H5 G1 Y
- });" e9 \- w: Z/ z2 V. J
-
4 @7 ~. z, e) A6 b; o+ ?' e% ]1 Z4 [ - digitalWrite(2,0);
' U. ~+ z' Z5 ]& [ - mainAction();
6 ^. [# S. E% t9 g% x# q. w I - if (digitalRead(0)){+ ^4 b8 Y' I0 [5 m) @9 a
- ESP.deepSleep(0);3 w% n t! f* @+ p3 Y
- } else {
) Z; n' V( }0 e$ w* F" F - server.begin();
: a' a% b$ N1 m# F. ] - }: L; h7 V* Y, |/ Y9 j. ^
- }
0 u' n5 ]7 n, s) R6 L9 | - void loop() {: n( \9 k _! t9 o" i% V; O
- server.handleClient();
* B* B3 i: {1 _- w - delay(1);& r7 T- M" v F
- }
, q H- H5 ?; j, y - String doGet(String url){
; v1 |* a, ?0 N2 A" h- Y - if ((WiFiMulti.run() == WL_CONNECTED)) {
7 q( ]0 l# o- R6 H% ^$ q, P0 f$ z - HTTPClient http;
- T* F, _/ v$ I+ R/ N6 l - Serial.println("[HTTP] begin...");
1 h* \, _9 K9 ?$ \ - if (url.startsWith("https")) {
' B1 d+ u3 s/ g7 N7 `& f4 D - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");6 n6 S( V7 s/ P h/ G1 c
- } else {6 R# }& l |2 i, o1 a. J; J3 R g
- http.begin(url);6 c, j& Q+ z& d# n: k
- }2 l2 @6 Y, l& V& k
- Serial.println("[HTTP] GET...");
& p- _% F( M; I0 R8 v5 N - int httpCode = http.GET();
4 v( q7 G; ?( X; T- T, b2 c( x - if (httpCode > 0) {5 r+ @4 R; u( @, a2 z& e
- Serial.printf("[HTTP] code: %d\n", httpCode);
0 F! @5 p$ P* ^& c4 X1 P - if (httpCode == HTTP_CODE_OK) {
& i' h' e7 x. N' |3 k - String payload = http.getString();
! W" |3 H0 L1 W0 T( K3 \1 A* E. s - Serial.println(payload);
6 ^. P4 n5 R' X5 g - Serial.print("\r\n");
0 `$ p7 G% p: v - return payload;
$ e3 r& ^/ h+ c - }
$ v( }! _# ~2 l @, X - } else {# E* U7 r4 ?; K
- Serial.printf("[HTTP] GET... failed, error: %s\n",
% T k5 _/ L% \$ m - http.errorToString(httpCode).c_str());
& p* A: S3 l6 a' ], C5 d - }
: U6 W+ P1 w4 t; A. E' L - http.end();
/ c! C( M! S: `: |+ ~& k' T: r+ N - return "";
i0 ]$ t! {0 e$ d - }* \- A# X2 z. z R- _7 J3 K
- }
9 \! H+ L5 P# f% V- R- T - void mainAction() {
" m! R9 K% s) P+ \4 i2 }8 }4 \ - // 发送请求& U4 q! J: p- t! U7 x- M
- doGet("http://google.cn");1 ^5 a& q# e+ Y3 K( E7 ~7 L1 U: l
- }
! S+ F; h% y0 B9 ]) l
复制代码 |
评分
-
查看全部评分
|