|
|
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)' x9 A0 }/ I% _
- #include <ESP8266HTTPClient.h>
8 \. B/ w% U( O6 b - #include <ESP8266WiFi.h>
6 D. \: y# n0 b - #include <ESP8266WiFiMulti.h>
4 q H6 J3 b5 s# `9 ]! x* l+ s4 O - #include <ESP8266WebServer.h>5 @0 N" V. r& U! ^/ \, A5 p3 R% }
- #include <arduino.h>
' W" k& Y2 u0 F1 k+ a; X7 }+ G - ESP8266WiFiMulti WiFiMulti;: i& j( Q9 ?! b6 U
- ESP8266WebServer server(80);
3 Z( _8 j: O3 }- L. d7 R - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
" J" l: i- g. O7 j; { - ADC_MODE(ADC_VCC);
! [0 X- t9 v2 q9 }+ R2 f, e) ~1 ? - void setup() {+ [; u. e O! h" H4 G) W
- Serial.begin(115200);- d) [0 q5 u" E0 Z% K
- Serial.print("\r\n\n");
0 b$ S& i7 }% N - pinMode(2,OUTPUT);" |/ Q/ A; @+ r- }
- // WIFI# T* y, h0 Y+ N$ Y c: b" o
- WiFi.mode(WIFI_STA);
* E. g8 o- b4 y( c - WiFi.hostname("Sparkle");+ i( q4 [5 j6 S* K
- WiFiMulti.addAP("wifi ssid", "wifi password");
. v$ Z5 m. ]5 E* _' x - int tryNum = 15;. ~$ ]5 @! `7 V3 F# @0 C
- Serial.print("Connect WiFi");1 y$ F' D. w6 n4 h9 e* q& O
- while (WiFiMulti.run() != WL_CONNECTED) {
6 z8 k* E1 o7 l - digitalWrite(2,0);
+ H; t1 F: S5 }8 z - delay(200);
6 ^& H- {4 ?4 K8 E( @5 B - digitalWrite(2,1);. h( X F$ w, e6 Q# z5 ^
- delay(300);
$ B, ]3 e$ `% `5 r: _ - Serial.print(".");5 n! G& C( r2 |9 n" y/ D! V. |
- tryNum--;
+ j: u8 z( C+ s* V( H - if (tryNum == 0) {: n8 g) w) W, {2 h
- // 1min
. B8 R3 |9 K- j% G" n5 M1 ^$ h - // ESP.deepSleep(60e6);" B- [* |1 \2 G Q" Y1 [
- ESP.deepSleep(0);0 m- F! h, g4 ]/ Q; s+ y$ T
- }: U# j: [# z% M0 b
- }; S5 b/ F& t2 _9 F& {
- Serial.print("\r\n");
* H0 ^: h- J# v - digitalWrite(2,1);( f7 l1 Q$ T; w8 c0 X! n8 f9 C6 F
- Serial.print("IP address : ");
) z3 R; ]# i: q+ r$ l% f* r - Serial.println(WiFi.localIP());2 u2 w$ Q# l1 w- k) Z6 f8 M
- server.on("/", HTTP_GET, [](){0 b& Q4 k- R- o' c0 u
- server.sendHeader("Connection", "close");. J' _, m i/ }
- server.send(200, "text/html", serverIndex); F9 A8 N/ _- z6 J1 { r
- });* ~% W& I' E) J1 T
- server.on("/update", HTTP_POST, [](){1 S9 u, t5 r; ~$ o
- server.sendHeader("Connection", "close");# e7 a: E f! t$ z( t: [
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
O: h1 G+ y% O/ z* H" U# f1 ~! K) D! N - ESP.restart();: @9 a! Y6 d6 d( N
- },[](){
/ f% y- S; p+ E- V4 A7 e1 F - HTTPUpload& upload = server.upload();) s- U( E2 M/ o8 x1 v$ r, O( o2 F
- if(upload.status == UPLOAD_FILE_START){
( Q6 Z* E* Z% h) P: L" G3 t$ h - Serial.setDebugOutput(true);
# O* q6 z7 ?* L* y: f) b/ [ Y8 q; t - Serial.printf("Update: %s\n", upload.filename.c_str());
# l% ~) |5 j0 [6 @) R/ } - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
: b% h+ q& k% ~/ T - if(!Update.begin(maxSketchSpace)){
1 k/ w3 j j* V1 N. w) G) e' v - Update.printError(Serial);
' ~2 T& P1 ?- d T9 W - }
' T# B K' P1 u. f" F - } else if(upload.status == UPLOAD_FILE_WRITE){) \7 N9 O e+ P
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){8 v1 P+ Q/ r ?2 n! n* \2 s
- Update.printError(Serial);) q0 t+ b' s# t6 _/ a- \7 f
- }
' A" l/ W( n( u/ D - } else if(upload.status == UPLOAD_FILE_END){$ r8 a0 { @6 j
- if(Update.end(true)){
) I1 v9 o- ?- t4 N4 l0 v4 S - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
. m" e2 N3 _1 |0 `" ? - } else {. n' }$ `/ Y" m8 d3 [* B
- Update.printError(Serial);
_: K) A' ?" { - }1 |- M# f/ N3 R+ U' ^
- Serial.setDebugOutput(false);/ u+ m! H* O7 a3 B' |# ?
- }
( h# X3 Y- `" Q - yield();5 M, G7 l: q* n3 e a
- });' J# l8 G# l. E% @8 W4 Q
-
: e! T8 f- F" M4 s8 |* S9 g3 C - digitalWrite(2,0);
9 c, \. j2 H. P1 D2 P! r - mainAction();% c5 J; L+ J7 t$ Z
- if (digitalRead(0)){- R9 I' h! U, a
- ESP.deepSleep(0);; D( C, z$ G: e, j( }1 t/ G- M
- } else {
9 P8 n$ S6 k& m+ L - server.begin();( v) q+ q o! s. O, x3 P
- }, g7 u/ b: t, T
- }; a* |1 N5 y9 o8 k" N. T( W6 ^
- void loop() {7 a+ m0 {1 L3 ~9 \
- server.handleClient();
" B1 |5 R& Q* V1 z& R2 F - delay(1);: u9 Y+ i4 d K" n, l/ ?6 A
- }8 R& R0 j+ q5 I7 e; l: C
- String doGet(String url){; m2 q( H0 ?+ d
- if ((WiFiMulti.run() == WL_CONNECTED)) {
5 z! x4 k7 f9 ~ - HTTPClient http;+ n) ?5 Q8 n; |. B1 v* h
- Serial.println("[HTTP] begin...");
( H I0 K; o0 Q5 ` - if (url.startsWith("https")) {
9 Z# d$ ~7 w) L. P) m - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
' B0 C: o# G( E' ^6 E - } else {
+ ^8 F9 H4 N4 f7 ?2 u! A: p3 J - http.begin(url);
! A9 H$ {" Q6 t3 `. a: W - }
+ R9 @5 ]6 q2 O+ ^% r: t W - Serial.println("[HTTP] GET...");. m! A. r: i; |9 }+ s
- int httpCode = http.GET();2 w1 [* h% Q6 t5 I/ `
- if (httpCode > 0) {
: N3 P0 O% k) {) L" a7 B$ K - Serial.printf("[HTTP] code: %d\n", httpCode);
8 S. l: @! X! U* V1 i - if (httpCode == HTTP_CODE_OK) {
2 y9 e9 a' w4 a+ R) K0 b - String payload = http.getString();( G4 f: } Z( v" k' N' x, u
- Serial.println(payload);
- U: w6 v2 V8 }8 R9 t1 q* U - Serial.print("\r\n");
" i. Y; g; b+ `$ m - return payload;
, H$ E# L5 J: i" i% _/ D T1 p' t; f - }3 Y0 a! F7 y8 D/ v! k% P: i
- } else {
. b/ Z2 H; Q: _' t - Serial.printf("[HTTP] GET... failed, error: %s\n",- C1 R1 p% U. \) h
- http.errorToString(httpCode).c_str());
, P% }- c6 n( w% H2 @+ M7 c) O( _5 a! u - }1 {% g) R+ V! }" u* b7 J
- http.end();
5 I; b2 {7 a# t$ M4 R4 r - return "";
. ^$ T( ? U1 w8 f- R X - }
) C7 P, O5 I, O/ _7 J0 p9 a! ? - }
/ H# W# X, D$ ~ - void mainAction() {6 a$ s7 F" @3 t! _; F
- // 发送请求5 a# L3 e: ~& }* {6 B: |( u
- doGet("http://google.cn");$ ]0 S' ]; \4 Q2 ?+ i3 H+ g
- }
/ c" a( m; l1 L1 R( M7 H$ r3 `
复制代码 |
评分
-
查看全部评分
|