|
|
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)
+ s/ H* O( V1 ?8 s- y F( D- #include <ESP8266HTTPClient.h>
# b- k2 S: }* a/ C9 q - #include <ESP8266WiFi.h>
' \ V' m. x( e1 L7 G* H& K - #include <ESP8266WiFiMulti.h>8 O% I- M8 r8 q6 F
- #include <ESP8266WebServer.h>, l6 n9 ]! q: {9 Q/ w
- #include <arduino.h>, w6 M4 Z( Z) j$ N0 x
- ESP8266WiFiMulti WiFiMulti;9 i' R+ \+ H3 ^
- ESP8266WebServer server(80);, t* g% r# z0 |5 K7 N6 H3 P' W
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
! W3 k1 P% L3 _, a+ I J; M - ADC_MODE(ADC_VCC);
* \! P) `' \: G% p- ^ - void setup() {8 |$ w: x$ s& O, t9 x* F5 y- h8 Y
- Serial.begin(115200);
4 |. r, k$ S5 g% u5 F/ @6 R - Serial.print("\r\n\n");5 X c$ R8 n) N* W& ~( F% N$ o4 J
- pinMode(2,OUTPUT);
3 _8 e! c3 U1 R - // WIFI
. L0 i6 }4 D9 }# q( L( l. G( B - WiFi.mode(WIFI_STA);
}+ z8 Y7 s4 |3 r1 ?4 y - WiFi.hostname("Sparkle");+ S+ n$ H, t7 J# {
- WiFiMulti.addAP("wifi ssid", "wifi password");0 m7 i7 E5 b5 z. y5 i
- int tryNum = 15;1 i) L, c' R. R- p
- Serial.print("Connect WiFi");
# p: v. y6 N( [0 ?* U4 } - while (WiFiMulti.run() != WL_CONNECTED) {" v3 W' @9 `# t# a3 F+ _, h4 a* U
- digitalWrite(2,0);- W( h6 S" V/ s
- delay(200);
7 ^; D* a1 d7 s$ u - digitalWrite(2,1);5 L# V; N/ W7 s' Q* o: a
- delay(300);
0 I# @9 e+ n) S, i6 H* | - Serial.print(".");
1 _0 l2 c+ b' E, |2 \ - tryNum--;
" [: `4 m, x* O$ F% u - if (tryNum == 0) {/ v8 j9 a9 |6 Q" K1 f
- // 1min
, ]0 L" ]- j n& S - // ESP.deepSleep(60e6);6 I" R1 s$ J8 Y. ^
- ESP.deepSleep(0);6 z5 H' l2 G# s+ I4 J6 w4 a+ I
- }: q. D# a$ ], h* s
- }
0 T: j5 a) ]2 |, M# S( k# X9 W6 l - Serial.print("\r\n");" o# _5 v. K# i: e& j1 }% C6 e
- digitalWrite(2,1);
c, _: W( b+ J* e1 o3 {% R - Serial.print("IP address : ");4 J' j. [7 V% E9 I
- Serial.println(WiFi.localIP());
, U+ ~5 U R2 t( n" Y9 @* Y - server.on("/", HTTP_GET, [](){
/ K7 [ X8 j) D0 ?5 W' M6 F. F3 [' k - server.sendHeader("Connection", "close");
" L. I' o9 |5 Y9 d) N7 ]$ s - server.send(200, "text/html", serverIndex);' b Z; N+ f" R4 b, T
- });$ t' @6 Q# {4 D, w- X" \+ ]
- server.on("/update", HTTP_POST, [](){7 Z6 u( K" A% w! {
- server.sendHeader("Connection", "close");
: q, Y7 \0 ~; Q" V% [2 j7 X* W - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");1 U d" I$ K6 A! l6 a
- ESP.restart();! o: O4 k3 q) J. e$ i
- },[](){
L, Q7 h$ V+ q' _+ X5 t0 a2 n - HTTPUpload& upload = server.upload();; A$ V9 i) g: I3 e
- if(upload.status == UPLOAD_FILE_START){
( l/ R6 F+ Y% i9 o& R - Serial.setDebugOutput(true);% y, z5 X2 p7 n( @* ~6 r& c
- Serial.printf("Update: %s\n", upload.filename.c_str());
2 H. M; H# r. E3 M, u X - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;4 I% \6 I F) \: ~; E
- if(!Update.begin(maxSketchSpace)){" h1 R1 A# Y" e9 d
- Update.printError(Serial);$ H( |" N' z+ Q1 W; g
- }& Y1 b8 l4 p0 f! U, ^; L. l
- } else if(upload.status == UPLOAD_FILE_WRITE){7 V2 h6 z7 D# X, H- u' m2 C
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 T, k% B5 t% A. E/ C2 ?' S, q
- Update.printError(Serial);
+ @) ~7 X# g4 d+ H1 m - }
" _: [) Q( n+ k( ?$ n# |7 V- m8 @8 a - } else if(upload.status == UPLOAD_FILE_END){5 v% y' r3 c+ s, W8 C) I' s3 {/ k' @: o
- if(Update.end(true)){6 i7 u6 t+ d9 P) a2 R2 g" }
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, z1 F0 O _: b# y - } else {
$ u2 W4 ]- j( p - Update.printError(Serial);( ^& l+ \, Q# J- i% s8 D; `
- }
- G$ G; b6 k; ^2 E9 E( O( [) z% [ - Serial.setDebugOutput(false);6 C) X" B2 s: ?/ ]" w2 [" o
- }; {9 X+ H' N& `" [) x
- yield();
; z. a. k# O3 ]: i - });0 T- k- b$ T) b8 z5 v: K
- 1 Z& e, V1 j$ s( b! L6 K: ^
- digitalWrite(2,0);
4 j9 b2 c) u9 D( n1 k - mainAction();% u# I" y5 ^, ^9 |. s3 T$ t
- if (digitalRead(0)){( l4 C- k7 O* E5 M& H6 d R) E
- ESP.deepSleep(0);! k5 W. w5 m6 e& d5 Z! G# {9 _ o
- } else {* U2 j4 J4 s I, {
- server.begin();4 t2 {% ?" Y2 b& \4 A/ X2 { z
- }
, a8 k: r w! }3 e) F - }
8 q5 N* t, N4 h3 R2 K - void loop() {
0 o: \. E4 S2 C. [% t8 x, x$ N - server.handleClient();3 ]0 Y8 R$ F5 ^
- delay(1);
2 Q# e- y9 w) w1 X. ^ - }
: o0 }: R; x( Q$ G: j0 a" T7 ` - String doGet(String url){/ \8 J! v0 F/ s. V# }* U; E4 ~
- if ((WiFiMulti.run() == WL_CONNECTED)) {
( y7 P. c) d" _' ]% Y$ A7 _( o - HTTPClient http;0 u- a* P* r8 F& z& {+ g
- Serial.println("[HTTP] begin...");
9 N, T; x6 a3 _# I: T - if (url.startsWith("https")) {, E& Q2 e; H" Y2 Q
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");" \' Z" b/ D6 f) B3 \2 z3 L
- } else {
% [/ s, [/ ^, n& S: B5 h+ M: X0 ~ - http.begin(url);# u! Y$ m% `' E0 O
- }
$ i8 c- k. s' M: v - Serial.println("[HTTP] GET...");
) Y8 ?0 p, q' O2 | - int httpCode = http.GET();$ v. G' L/ J3 G2 t/ E
- if (httpCode > 0) {
6 ?. g( E. g' S( J - Serial.printf("[HTTP] code: %d\n", httpCode);4 |! O2 \/ K+ ?1 A# y+ {. Q8 b3 O
- if (httpCode == HTTP_CODE_OK) {( v1 X# y& D; \( {+ a& c5 c; b
- String payload = http.getString();
- h5 x8 h2 F1 r" f - Serial.println(payload);
, a3 D I5 h8 ^: z& h% M' y - Serial.print("\r\n");
; [" l0 W, O/ n, ^. R/ s, I - return payload;6 c+ h) [: [4 H! D" B
- }
: E4 j! c$ d$ K- d4 H' G& x$ W - } else {6 P! H1 a/ z* C5 [' _4 |
- Serial.printf("[HTTP] GET... failed, error: %s\n",7 } ^; D; |7 Q( n
- http.errorToString(httpCode).c_str());# y0 h o3 n( e
- }
- l( ?& L! k' O) T& A4 q3 c2 Q - http.end();
! ^# N% v) W$ o1 K - return "";* p7 h9 I$ T( @! K
- }+ T( b K6 a4 g! u" j9 i% n5 c
- }
q3 [( N) |# J% I: ?/ Z( P/ Z - void mainAction() {
, E- {: H4 P" L" y! }6 ` - // 发送请求. M& _6 n3 O9 G+ o' q7 z
- doGet("http://google.cn");% \3 Z: X: M9 E! m- p
- }" e4 x2 A, h1 z0 e |* w
复制代码 |
评分
-
查看全部评分
|