|
|
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 e; l; j) s# G- #include <ESP8266HTTPClient.h>9 X" A- g$ v2 T3 P o! N, o
- #include <ESP8266WiFi.h>9 f, W D1 ]. u- R! S
- #include <ESP8266WiFiMulti.h>
% j9 Q( f+ a- `) D - #include <ESP8266WebServer.h> B7 i9 R$ u7 r4 L- a- |
- #include <arduino.h>& k5 k0 X7 ]8 Q1 s8 j9 S
- ESP8266WiFiMulti WiFiMulti;
6 Q8 M2 ?$ |( x8 F/ j b* A - ESP8266WebServer server(80);9 D) m0 O) H* T3 w, f0 V
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
% j: [, @9 A; Q7 H# l - ADC_MODE(ADC_VCC); G3 N3 y, o9 t; N3 X' Q m
- void setup() {
$ `% p! o7 N% [' z+ M - Serial.begin(115200);
l6 {) t: O$ Q; f - Serial.print("\r\n\n");) U5 E3 u4 g+ f! ~6 P" j* P% p
- pinMode(2,OUTPUT);7 ?2 R M3 m% T. L
- // WIFI7 o* P$ ~, y% S! J
- WiFi.mode(WIFI_STA);1 `+ Z/ G* b% G U6 o
- WiFi.hostname("Sparkle");* I! a/ K' h& n- B6 A9 }
- WiFiMulti.addAP("wifi ssid", "wifi password"); o6 [' J" F% w3 R. W2 f# i. S
- int tryNum = 15;
1 d5 V6 S7 J+ D" W, U8 Z9 a2 @! d - Serial.print("Connect WiFi");
0 [4 q* Y9 d$ J - while (WiFiMulti.run() != WL_CONNECTED) {# x: g4 \3 q) {! I! {# @
- digitalWrite(2,0);! P. O- U' o% G# F3 Z) c
- delay(200);
' j( D( h: U" c/ b3 _% c1 x. @( p$ r - digitalWrite(2,1);
X1 \4 u2 ]* g% C4 i/ n - delay(300);
' ?, S, t- N3 @) e4 M1 [ - Serial.print(".");
& A e( Y# _- ]7 T - tryNum--;
& t& R0 ]8 z6 q - if (tryNum == 0) {- D1 g$ P4 j/ l# [6 Z) q; J$ ^$ s. g2 x7 D
- // 1min- e, k+ q- q* I! a$ L) [" @; s9 x
- // ESP.deepSleep(60e6);; J8 d$ w1 c: P# l$ n
- ESP.deepSleep(0);
0 C6 J$ ~, P+ |. V# S& ]5 s - }
, \/ e3 A8 o: ] - }% N0 b' b$ Z# g( m' g6 y
- Serial.print("\r\n");, _& `8 y- }# S/ s/ B ?7 V
- digitalWrite(2,1);
: X& u5 k0 `' T+ B - Serial.print("IP address : ");
% X5 h% T- S" Q. G; L - Serial.println(WiFi.localIP());3 ^) s4 ?& S4 [, Q3 e
- server.on("/", HTTP_GET, [](){& u% D8 \& Y% \$ D K4 Y
- server.sendHeader("Connection", "close");/ x" n' q, S, t* l# V4 `
- server.send(200, "text/html", serverIndex); q, F+ ~) Q5 p( O
- });
- Y, [5 [4 u, j' A - server.on("/update", HTTP_POST, [](){
# V* s# Z# e- W- x5 f; u - server.sendHeader("Connection", "close");5 u! N+ U+ Z/ u& K5 h$ p
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
! K C5 b3 _) o# K' ` - ESP.restart();# V- [5 W4 I1 t- O( e/ B b
- },[](){2 ], r3 {% ]# Q' G4 L. ?8 D
- HTTPUpload& upload = server.upload();
2 i+ \% ?: ^ c! ~$ u8 c - if(upload.status == UPLOAD_FILE_START){: K. c( C5 J( J4 Z T$ Y3 M
- Serial.setDebugOutput(true);
4 z1 e3 E; _" G' _* _: ^* a - Serial.printf("Update: %s\n", upload.filename.c_str());6 s* g- f' `# g; R# |# ~
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;( q4 p. Q1 C7 V/ |. v2 a
- if(!Update.begin(maxSketchSpace)){; s& w* z1 q6 T2 V1 b2 w
- Update.printError(Serial);
* Y4 @& W6 `) `$ Y5 K( v - }5 {. L9 s; w* j) C
- } else if(upload.status == UPLOAD_FILE_WRITE){
8 j' H" O, T, S% J$ w - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 f/ c P v8 U1 K
- Update.printError(Serial);, B; N; j7 @* D- @$ a2 |
- }
! Z( f2 K5 w$ N2 j( V) \' K' r - } else if(upload.status == UPLOAD_FILE_END){
( \. `2 G- W4 |& l; ]- C1 f! W - if(Update.end(true)){! s# }: P2 p$ O+ ~2 ?& Y0 |% D
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
) i* m1 S, u% x! j I3 q. Z4 n - } else {
0 o5 {% G1 ]+ k) e6 J; E1 t" ? - Update.printError(Serial);
2 v# y- @2 K/ z6 ]* ? u3 j7 V - }
- }6 n8 ?4 O; f8 M' N ^0 Z% G - Serial.setDebugOutput(false);
5 ~/ z5 n2 _8 k! ~2 ^- y; { - }
1 E+ r0 \" M+ g3 n - yield();# |4 [ w6 g# X7 \7 h/ D2 K
- });
. a( {) a B7 s2 D - : N, S+ L2 }& E" e2 c: u2 P
- digitalWrite(2,0);
- r" E6 R" h6 O3 X. l6 X - mainAction();
5 @5 F6 g- h" a# Y! ] - if (digitalRead(0)){
! [! h, I" ?8 Y - ESP.deepSleep(0);
+ ?' p1 A; {7 J+ i. S, I$ v - } else {
+ \, Y4 I( t4 B$ y& V$ { - server.begin();8 @2 V1 ?& ? i7 \ S" g2 B
- }8 p: b- w$ m5 t8 e8 t
- }9 s+ a* d- {! T. r$ M
- void loop() {7 n8 d2 Y4 T6 [
- server.handleClient();
6 M5 W- E7 p; F+ H2 z' i - delay(1);: A) u' P3 O% l. i8 H3 P
- }; h' V3 o; H( y# X- r6 _8 C, J
- String doGet(String url){% a1 ]) q: m( ~/ L t; K) b, Q' E
- if ((WiFiMulti.run() == WL_CONNECTED)) {
4 i- e+ E9 j& b; Q7 \: f; n* i3 g* }" U. l - HTTPClient http;
* I( e* i" H9 l4 I' y) e! \( I - Serial.println("[HTTP] begin...");
$ E) o! j( E2 Q. I% @/ Z e* l4 X - if (url.startsWith("https")) {! u8 l, {4 R6 E6 G1 n8 N9 }0 D
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
: W+ T7 R0 [1 K - } else {* k/ C4 \* _. Q* E5 [- ~- n) G
- http.begin(url);+ Y$ }# B8 [$ J) ] ~2 o
- }( r: s( l" W5 V; X0 `8 ]
- Serial.println("[HTTP] GET...");
+ ~1 i: x/ [ Q2 v! u) @ - int httpCode = http.GET();* l# @6 p+ M* c4 T- a5 z
- if (httpCode > 0) {7 N, B- u( n+ m; }" O$ L
- Serial.printf("[HTTP] code: %d\n", httpCode);+ ]/ D% _& Z, i% G9 u' s
- if (httpCode == HTTP_CODE_OK) {
$ s- F2 i. u V: z# J! z* h - String payload = http.getString();
& R) M9 x& O, W8 _+ W" Y - Serial.println(payload);" K; S r4 B) J6 y# z
- Serial.print("\r\n");+ ~+ D5 P. d1 z' |/ x6 m
- return payload;) G, Y# B9 p8 F b: J
- }' f- g) k; d, X1 X: B
- } else {* I' h. m6 m3 m2 d, g2 T# _$ y
- Serial.printf("[HTTP] GET... failed, error: %s\n",
7 ?; w. w2 C9 n$ C - http.errorToString(httpCode).c_str());- }: _ E8 n7 S' A
- }
* D: Q* O- _: y2 D2 r& `+ f - http.end();+ y- b% Z8 u; q7 a0 g
- return "";" |6 j( ^1 g! v. s2 i/ N* s) w5 [
- }
" s5 Q9 R( f: O- L - }
1 ~" K/ y. G7 L - void mainAction() {
& o- f, A+ Y( s1 ?* z! d - // 发送请求8 R, B3 b7 ?0 h# j# k
- doGet("http://google.cn");
X9 \% q3 I, [. `- |: Q - }
% ~+ W- r4 v, ?5 B" p
复制代码 |
评分
-
查看全部评分
|