|
|
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)
- I. r* |& S3 g8 V+ N: |" W- #include <ESP8266HTTPClient.h>- }' B) X4 P! ~( `
- #include <ESP8266WiFi.h>1 \' F [9 |' h( ?3 C( U4 z( M
- #include <ESP8266WiFiMulti.h>
. [+ U& y# T7 K' f - #include <ESP8266WebServer.h>
2 J9 H3 i: P: h, l - #include <arduino.h>
* p/ h% d6 i7 B - ESP8266WiFiMulti WiFiMulti;. a; V+ V% P& o2 u5 K4 B8 a- n+ B
- ESP8266WebServer server(80);" @" x/ e& H7 r; h
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
. v' x4 M( |8 g O) m - ADC_MODE(ADC_VCC);( e0 |7 m7 z6 b5 z
- void setup() {) ?# I" U3 R! I& Z5 i
- Serial.begin(115200);
; Q% D% ]" j' ` - Serial.print("\r\n\n");7 r8 w( ^ q0 {0 h
- pinMode(2,OUTPUT);( n: O0 ^6 n; m2 ]
- // WIFI/ R9 L2 `. \8 J+ u9 [
- WiFi.mode(WIFI_STA);' x1 j5 y3 `/ ?! y, p* n
- WiFi.hostname("Sparkle");
( z- C$ |9 n$ }) t - WiFiMulti.addAP("wifi ssid", "wifi password");/ N0 }" A5 e% q* P; H# z/ M
- int tryNum = 15;6 s1 ]: y4 q& N: [: b0 m( @ y1 z
- Serial.print("Connect WiFi");) X$ ?6 K! ^. G
- while (WiFiMulti.run() != WL_CONNECTED) {
9 k" x3 c* X5 r" M - digitalWrite(2,0);; L! d1 i) \9 m
- delay(200);# a9 B, _) x1 F+ b+ b) C
- digitalWrite(2,1);
' B" m3 X/ z9 e& _ - delay(300);( m1 D* e' D; C. ]! {' j8 e
- Serial.print(".");1 H3 D7 J+ N# s5 N5 d
- tryNum--;3 _( E3 U4 Y6 w8 Y, L# |8 ?# i
- if (tryNum == 0) {1 c V* N& ]& N
- // 1min
6 g/ D4 i: B. k- S& j% b5 O$ { - // ESP.deepSleep(60e6);% G" H+ H5 P0 I+ B& H& n' b
- ESP.deepSleep(0);
3 H) `7 T! i+ ` - }* V$ ~: d# I( k/ [. S7 g/ J
- }! C$ n$ C9 {' g% `9 K9 i
- Serial.print("\r\n");
Z j* t2 f5 r( I& q N4 D0 u - digitalWrite(2,1);
t6 B0 k) Z* X: ^! P3 b - Serial.print("IP address : ");
, |- i- ?) f0 `7 j* B& a0 p - Serial.println(WiFi.localIP());
, E! H8 r9 @# X" \' k7 W/ [ - server.on("/", HTTP_GET, [](){! g- ?# |2 ?+ E, x/ ^3 D" ^& t1 @
- server.sendHeader("Connection", "close");
5 y, I( ]- l/ Z; p# l - server.send(200, "text/html", serverIndex);
( _/ k$ k# F0 b8 T* Y; q - });
* Z1 Y) _$ L& [ - server.on("/update", HTTP_POST, [](){. H3 z9 d' W" d
- server.sendHeader("Connection", "close");6 L7 X$ \; d* y8 q1 {5 L
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
0 o7 X4 [: p/ v- k4 o; g - ESP.restart();
& ^6 e! ?/ u9 g& z# ?& s6 f( Y - },[](){/ B. S. U8 y3 n% C/ l& ~, d
- HTTPUpload& upload = server.upload();: r9 D. F' o L
- if(upload.status == UPLOAD_FILE_START){# V( R2 Q( f1 F
- Serial.setDebugOutput(true);& _' d% r* \- r
- Serial.printf("Update: %s\n", upload.filename.c_str());
+ a! d8 w8 S, R1 i; K - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;: ^4 t0 B2 f, l$ {" F$ i
- if(!Update.begin(maxSketchSpace)){
7 D! `+ w1 |) K7 m! ~7 V. Y - Update.printError(Serial);1 d* @* E9 q( I6 M1 R# A
- }) p3 ?' f% N I
- } else if(upload.status == UPLOAD_FILE_WRITE){2 p2 a% V. q- E1 O7 ~" u- @/ g
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 l9 j o3 y7 k. F! j# x+ g& T - Update.printError(Serial);
! p( ?/ X* \ e7 K( A; r: _+ ^! N3 J - }' q/ C& e5 N( V6 j! r l9 p
- } else if(upload.status == UPLOAD_FILE_END){( D, a5 N# X7 [! U+ u
- if(Update.end(true)){- O4 }& \) y8 E& s2 Q# P E
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
: _( ^5 n5 i$ Z* @ - } else {
4 L4 h+ B( }. @! l3 |0 E - Update.printError(Serial);
1 \; `. |) H' Z - }8 }" g2 g9 E) e) C! O. R
- Serial.setDebugOutput(false);( Q6 Z- u+ @" ~* v t {' @7 S7 D
- }" e& C( D% f p8 C
- yield();
( f7 X, S; G) c$ n: L: e* I' G7 H - });
( {; L" s: S" p$ J -
6 k; \- R# z% I+ g/ @1 D" W - digitalWrite(2,0);
9 B7 p. f+ q% ] - mainAction();
# O: z5 }! Y- F* ^/ @ - if (digitalRead(0)){
( {. N& N6 p4 p* J: i7 X - ESP.deepSleep(0);
1 |! L, `& A5 q; S2 T+ c - } else {/ i2 Y. J# V( e1 u
- server.begin();
% \7 [+ D1 Z9 c& n - }
3 T8 v9 w; g, d! \ - }, @: s6 X0 K% \* h: k" L0 ?& l
- void loop() {! n0 a ^+ D5 h2 @, \" l0 a
- server.handleClient();0 B& E K% d) _/ P: {/ h9 E \$ Q" S
- delay(1);
) _/ i0 H, ` ^! j - }6 |: j1 ^ z' a2 `
- String doGet(String url){
5 j, j }" V( G; t# t; O! H - if ((WiFiMulti.run() == WL_CONNECTED)) { s) N1 Y* m6 V3 V1 P5 ^4 R: S. ]# r
- HTTPClient http;; _5 m. v2 I5 v1 H. }
- Serial.println("[HTTP] begin...");
]) x3 b. i; @* ]* S8 f3 ^ - if (url.startsWith("https")) {
$ ^) z6 D2 @. ~4 ?4 W8 _ Z k - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");# J" @* M: E# _3 C( c
- } else {
- ?9 |1 H% x; M) L4 k0 e - http.begin(url);+ Z& v$ |: w+ K0 S) d4 h- `. {) T
- }
2 t9 u9 t, P, G3 [/ m; b% i9 U - Serial.println("[HTTP] GET...");2 S, S4 M b5 o/ }8 s. p' A7 q' S
- int httpCode = http.GET();
" X5 k/ C0 ?" ?0 T) q5 C, `6 G/ R - if (httpCode > 0) { Q& s# D; {5 D2 x& k w
- Serial.printf("[HTTP] code: %d\n", httpCode);' p; d4 y, f) v0 w
- if (httpCode == HTTP_CODE_OK) {# f u" l1 Q; f7 K. L
- String payload = http.getString();1 u7 ^6 T# B8 Z* t7 k3 O
- Serial.println(payload);
/ c; G' w. v. r - Serial.print("\r\n");8 s, Z" f' [- q" p- N- [5 k) \( Z
- return payload;
! N9 @3 G9 [! I. W2 z9 C - }
4 Q% p7 j" v) }, p& ]9 N - } else {
% F' ]" P( _' N6 i - Serial.printf("[HTTP] GET... failed, error: %s\n",
' G7 R' e) {0 ` - http.errorToString(httpCode).c_str());
: p# ?! {3 [: O% u8 U" J - }
: k0 q5 o* B: Z' ]8 ] - http.end();
5 p' @4 A9 b8 E* p; p - return "";" {2 ^0 k% q- ]' T9 Y9 d! {4 j; t
- }
( }4 q; R% T& ?7 r# ^4 X( V - }
, Q/ C$ e7 W5 Y6 M* L: x - void mainAction() {5 P$ R0 C5 c$ z& E
- // 发送请求 i8 P6 \5 L+ o
- doGet("http://google.cn");$ L( m( \6 h1 m' F' U. o+ ^
- }
( a5 B6 {4 L$ K
复制代码 |
评分
-
查看全部评分
|