|
|
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)
5 R: q; V8 m5 r5 c( Q6 l- #include <ESP8266HTTPClient.h>% |, _7 z+ ?2 z8 ?$ y
- #include <ESP8266WiFi.h>
" t% t7 m( ^0 J1 T# B - #include <ESP8266WiFiMulti.h>
, k1 P( [$ M* h+ T* s - #include <ESP8266WebServer.h>1 R _$ }% }* f; Z8 H
- #include <arduino.h>
2 \* A# G5 s- t/ N: F% ^ - ESP8266WiFiMulti WiFiMulti;: F+ H0 u5 ?& C6 J) b. J& F
- ESP8266WebServer server(80);
, h) u7 U3 Z% m& g# p - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";4 z7 {: A0 B* u5 D1 j5 c! E
- ADC_MODE(ADC_VCC);
. ]( q, \ U5 e3 N# b- r5 a4 ~: q - void setup() {6 d! J2 l* ?: q; y( ^+ K! q
- Serial.begin(115200);" E" E2 I. @- }+ a9 x
- Serial.print("\r\n\n");0 b7 l' t) O4 X* z4 b# L! \
- pinMode(2,OUTPUT);* [+ N" a) Q- [/ l% I) {' v
- // WIFI6 N- o. O/ E2 S
- WiFi.mode(WIFI_STA);
+ |: Q' w0 O M5 F - WiFi.hostname("Sparkle");
/ B9 d3 ` b* S0 F5 V0 P2 t - WiFiMulti.addAP("wifi ssid", "wifi password");. r0 W: W3 {( k* Z, U$ R
- int tryNum = 15;+ ~7 x" \: V( d' M
- Serial.print("Connect WiFi");
$ u! c. F/ f! U% n4 h% q( a5 i - while (WiFiMulti.run() != WL_CONNECTED) {
# V& V+ B, b& ?$ B3 A4 L - digitalWrite(2,0);
4 |/ B8 e- b. r4 E! ?8 t+ _ - delay(200);# ^! I0 x! y1 _3 t8 i. P* y& b! F
- digitalWrite(2,1);' z' q7 h6 X- m/ }9 Q
- delay(300);# R( X5 ~5 c% y/ I
- Serial.print(".");) T" W% [5 W5 s3 `9 L3 N! t( S
- tryNum--;
4 W M6 k0 }* j& I3 e* u) v' K5 t - if (tryNum == 0) {7 f& w* G; d1 C: f, l
- // 1min
8 O% Y! K; f( m: p/ G% `; D - // ESP.deepSleep(60e6);+ r) n4 }9 L5 e2 L7 s5 w9 D
- ESP.deepSleep(0);, K- E& |8 ?. O
- }
! C( Q8 J9 O( p( y" o! F2 ` - }
9 Q1 j7 r4 K$ f+ ]5 G - Serial.print("\r\n");
0 e! P# g0 F( B K0 n& v8 B7 ^6 j$ h - digitalWrite(2,1);
. f$ d* w& C: r3 _. M - Serial.print("IP address : ");
/ S3 R M _& f5 J - Serial.println(WiFi.localIP());0 k! r. Q% A3 w2 A M/ ?5 n
- server.on("/", HTTP_GET, [](){
3 o4 `- e% \5 s1 ~6 b* \4 x0 n - server.sendHeader("Connection", "close");3 g; r8 o/ G" u* c
- server.send(200, "text/html", serverIndex);
- M* g- V. n* i - });0 w5 |/ J! N0 n) E8 \* r
- server.on("/update", HTTP_POST, [](){6 X( O" t9 m3 U, u: ` b# Q; G
- server.sendHeader("Connection", "close");) q% |0 w" X! C P3 Q/ F+ `& w4 e
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");# y( ?; N* w3 V6 c3 I t& A3 R% q
- ESP.restart(); d6 g: N4 ?6 U/ }
- },[](){: b8 A: I. T6 V8 r7 T+ o
- HTTPUpload& upload = server.upload();, o2 H1 f2 [( k5 a
- if(upload.status == UPLOAD_FILE_START){3 Z9 R" s! X3 e" \0 V* L# {7 a
- Serial.setDebugOutput(true);
6 V" l+ A9 @( C5 Y - Serial.printf("Update: %s\n", upload.filename.c_str());
5 U- D8 o: r4 }" `/ A, W5 ~' J - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;0 K* k% b' e x: C5 [2 _: k6 y* l
- if(!Update.begin(maxSketchSpace)){
2 X' I0 u/ d; c/ u, W - Update.printError(Serial);
* N$ b" K9 l; m - }1 D: S! [. r$ X8 j- R5 o
- } else if(upload.status == UPLOAD_FILE_WRITE){+ Y3 b. H* K: ^! m' U" k7 A
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){* n, d. i+ A0 Q1 m0 w. K
- Update.printError(Serial);. a. A# w3 y3 p
- }; D, N% p5 P$ b1 M$ _5 P
- } else if(upload.status == UPLOAD_FILE_END){
/ c3 K8 I$ P, S+ ` - if(Update.end(true)){
% v& R' r0 b; q) s) J" w0 u - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
' M: ]! I2 G5 }4 Z8 m0 a8 _ - } else {( y) K2 s5 N% M; \6 n4 q- ^ w% Z N) m
- Update.printError(Serial);' r! q, W' n2 f& C- p
- }* J/ v- l! _4 N) @
- Serial.setDebugOutput(false);. D) H( ?6 x" F
- }
% C0 F8 h' c" L o( S - yield();
+ a4 z" Q6 G) n' @, ] e - });
$ e- _4 W" g: O6 Z - $ d- K" d8 E, r5 |2 q
- digitalWrite(2,0);
! }) F! [% V& n' M( A. J - mainAction();/ j. d( Z2 P3 c; r
- if (digitalRead(0)){
! K4 T7 }4 ^: Q @ u8 c; n1 p - ESP.deepSleep(0);
6 u5 l+ y1 u1 w% M - } else {) J+ i* d8 v$ d9 \
- server.begin();
! ~1 |3 [5 K1 x4 b - }
7 [- w9 C6 S" A0 H% ^ - }; Q' \6 X7 z* Z/ b7 i( v; x, V0 z
- void loop() {* K0 b) ?( J' T7 c
- server.handleClient();
$ @% ~: b' v4 l( c# x# I - delay(1);
% D l- E3 Q/ q! I0 |* I$ S& { - }6 G3 s/ u, m8 i( z8 y
- String doGet(String url){4 n W0 A, `- N$ X4 O& v7 a
- if ((WiFiMulti.run() == WL_CONNECTED)) {
9 h: |" H% E* ~ - HTTPClient http;! ~1 O) A2 B9 |7 R4 K
- Serial.println("[HTTP] begin...");
$ q& [# G, C$ s; B& s% n - if (url.startsWith("https")) {
, h* e& p4 D3 @6 u - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
+ s' E, ^! ^! U! m9 [7 z3 O - } else {0 f+ z9 z T g- }" c0 |- m
- http.begin(url);" j d3 l$ e# k( j' P' z
- }$ X1 P9 X) ]9 |) i# O( |, ^
- Serial.println("[HTTP] GET...");; t4 X) S o- @8 S& ~
- int httpCode = http.GET();' {/ W Q7 f1 S
- if (httpCode > 0) {% c9 I# Q; r5 S$ H* p4 D
- Serial.printf("[HTTP] code: %d\n", httpCode);
5 E. G: x, W9 O8 Z8 m - if (httpCode == HTTP_CODE_OK) {2 K$ S6 g: S0 Z' y: Y
- String payload = http.getString();
5 J, x. K9 N( q% i+ N- e" n - Serial.println(payload);
) `9 R: R' a) A' H- A - Serial.print("\r\n");7 X9 Z* C, S Z$ H5 f( s
- return payload;
/ v* L1 Q: m7 U+ ^* B - }
$ a) d' U8 T% T3 m - } else {: O- V v" e! G8 l0 T* r* y4 q
- Serial.printf("[HTTP] GET... failed, error: %s\n",
6 t% C- V3 Z, q# u# @ Q* N* L* ?) a - http.errorToString(httpCode).c_str());# @# q k" M! m( k. {* m# t( X7 P
- }
7 H$ I3 ~( f3 L3 d) D - http.end();) X+ n' C1 C5 j. _! P- h9 z1 n8 q
- return "";4 `! @$ p7 c: x" C r& c) }. _
- }( Y: U6 `$ |" T' J
- }& j: }& o0 l3 m: M7 P7 v4 C& Z. [2 H
- void mainAction() {
6 h8 s+ K0 z# J2 @; f - // 发送请求
5 f" g: c0 q2 i1 r m - doGet("http://google.cn");
% ~8 H; X o! H3 T1 q, m - }
+ L5 l; q+ j; \! T
复制代码 |
评分
-
查看全部评分
|