|
|
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)
% m- Q! z2 p- ~% t/ [, v H" E/ F3 S- #include <ESP8266HTTPClient.h>
$ y4 P1 v" n/ ^8 a - #include <ESP8266WiFi.h>* l* d0 r G0 O6 B+ y
- #include <ESP8266WiFiMulti.h>( {+ g2 `" G1 i! ^% L2 h5 f# ^1 I
- #include <ESP8266WebServer.h>
+ P6 g1 G/ s$ @* |. v$ R: X - #include <arduino.h>% X+ y8 P0 r, E
- ESP8266WiFiMulti WiFiMulti;
/ b J. G& o6 C' W - ESP8266WebServer server(80);1 g( h6 f* C6 o3 f( A! B
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>"; _- k8 f w+ k0 N7 P6 j
- ADC_MODE(ADC_VCC);6 H ~7 e* u8 I' ~- A$ q
- void setup() {
% ^" b! V+ T, K. b5 w9 ]( r - Serial.begin(115200);
2 @' t% _& |1 r/ V1 `2 L - Serial.print("\r\n\n");
0 O0 \* m# x+ y - pinMode(2,OUTPUT);
/ x$ o$ G5 @; v/ C$ M5 I: Y - // WIFI
, [2 _3 r# Z+ N3 S" j- r - WiFi.mode(WIFI_STA);
3 ~3 k# k+ {9 ] - WiFi.hostname("Sparkle");
4 P$ R6 ~4 w4 u - WiFiMulti.addAP("wifi ssid", "wifi password");! I" p9 s6 Y/ `$ Y8 z* ^
- int tryNum = 15;; g) ]) ^8 y& v7 K8 y; W! `
- Serial.print("Connect WiFi");0 I/ g* r; M. Q9 d+ J; E1 o
- while (WiFiMulti.run() != WL_CONNECTED) {
3 X6 f7 F N5 W2 O+ W - digitalWrite(2,0);
& f7 ` J9 U8 h - delay(200);
( D6 d o$ b& N$ P4 E+ I - digitalWrite(2,1);2 S) i) Z7 Y! @3 Q
- delay(300);! B! S: a- ^4 ?* @3 a6 A0 F0 @7 b
- Serial.print(".");
6 O! ~( r6 w- A - tryNum--;
' p' j X: U& j+ Y* |/ _& s$ [' f - if (tryNum == 0) {5 i' y2 G1 u$ \) I d5 w3 ]
- // 1min
& q# B' i( E( M& r- l - // ESP.deepSleep(60e6);3 ]' M1 J- M( Q6 H- m }+ i
- ESP.deepSleep(0);/ C- W( `6 [' _. o5 I: w
- }
& [4 o: c1 g2 ]; C+ v - }
" h" t$ b% \! | t+ Z- [3 g - Serial.print("\r\n");; @' z4 o; ?8 }" k8 v* g |! S
- digitalWrite(2,1);
! Y# d6 p" M) U( x - Serial.print("IP address : ");( ?9 X; P0 I5 S2 V4 P
- Serial.println(WiFi.localIP());
N4 w) P" z2 P0 ~% R - server.on("/", HTTP_GET, [](){( f/ U6 m& C1 x# Z/ D: s
- server.sendHeader("Connection", "close");: f# T5 ?+ d8 j8 _9 x
- server.send(200, "text/html", serverIndex);" P& O8 C: @. p
- });
% n8 ]- q8 C7 {2 Z& H, P, b, n; ]& J - server.on("/update", HTTP_POST, [](){; m# u* X* w8 V" ^$ c# D" j7 I
- server.sendHeader("Connection", "close");
3 ~8 `- [; T; A# y/ Q9 E) Y - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
( T' C* G. d! i) ] - ESP.restart();
9 F: e7 C) O! p7 ^2 Z9 S - },[](){
. x! N+ d% l/ T - HTTPUpload& upload = server.upload();
+ E: m, k/ t1 x. B! x1 r/ F1 O - if(upload.status == UPLOAD_FILE_START){
' e: U" q6 n4 \( ^% m - Serial.setDebugOutput(true);
8 ?4 ?5 i! S. K$ ]7 q# H - Serial.printf("Update: %s\n", upload.filename.c_str());! D1 f8 N' o5 T4 a4 ~( `
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
* a% |% Z0 a P! d% M! `0 p7 a - if(!Update.begin(maxSketchSpace)){/ U% w' k/ @ O1 n
- Update.printError(Serial);5 `+ p( l# [: O, ~" Y5 E3 d
- }
* o' p1 B7 l$ Q; F- F; m - } else if(upload.status == UPLOAD_FILE_WRITE){, J( t0 Q' L6 @* L- n$ X
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){4 K! N/ R5 U9 W D
- Update.printError(Serial); \$ D6 K; B# O; s
- }
' t' k2 i/ `4 _9 o - } else if(upload.status == UPLOAD_FILE_END){
+ _3 ~) x0 y1 u8 M0 l- {' K6 i - if(Update.end(true)){
4 Y2 D6 O7 u+ u% {2 i% C - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); ]0 x3 |' ?, {9 O! }- k& X* \) k
- } else {* s0 H1 g8 b+ H$ G$ h6 I* I; Q2 S
- Update.printError(Serial);
& b" M7 g6 d/ a: e- P - }. [% O; A/ N; _
- Serial.setDebugOutput(false);
. i# E$ X7 l; B - }; M6 m; q! r# W& i5 {
- yield();, A! `* R, d% k* _! E8 _
- }); v& ^/ e3 \! F' M$ a' @9 j
-
) y( i% {" O3 w ^ - digitalWrite(2,0);: a3 J8 r% F, b
- mainAction();( w2 y# X5 P% ~7 P8 S
- if (digitalRead(0)){
! X, H) T6 ? G/ V/ A. f - ESP.deepSleep(0);8 c3 P/ v5 u1 O+ O- h1 {. s3 ?7 D
- } else {9 }1 y t. j. s
- server.begin();
. t" Q: `& V9 R. H - }
0 s1 i7 k% @( q1 B - }
T: R, K* L' ^$ E6 g0 x - void loop() {, L: [+ Z: B; U7 X8 h& p6 W
- server.handleClient();
3 ^, p" K5 e) [1 m, `( q - delay(1);; q" C" _5 c4 _
- }
4 Y2 N, ]' P |' r2 Z - String doGet(String url){
1 e3 A$ W7 d2 y1 {/ G - if ((WiFiMulti.run() == WL_CONNECTED)) {7 n0 U/ M+ R6 ~9 E* ?4 _1 n% C
- HTTPClient http;
1 |! v' P& t+ R! e( r - Serial.println("[HTTP] begin...");% P- B; G: z, Y
- if (url.startsWith("https")) {
4 u8 h. }3 |( g0 }9 F$ B) J& {$ Y - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
3 O( P6 V" c$ h* o* M - } else {) s- o1 t3 G& I q" s D
- http.begin(url);! W; I' A% b6 [. V4 C; e/ I# Z
- }) r0 _$ Y3 w# M1 a/ ?" ?8 G
- Serial.println("[HTTP] GET...");5 b7 H6 Q3 m% @# f: I9 C: ]
- int httpCode = http.GET();4 {( e& _" D# e3 D
- if (httpCode > 0) {/ \0 \8 d! A0 e2 t. z
- Serial.printf("[HTTP] code: %d\n", httpCode);
0 V2 i: ~9 B" R! ?% W - if (httpCode == HTTP_CODE_OK) {) A* {' j: q5 z- _. {- q3 r
- String payload = http.getString();: `' K; e! A5 S v; b. e
- Serial.println(payload);
2 h. n- f6 z# ]% f2 L, Y* ], a( m - Serial.print("\r\n");
" w* a N# s. j# n, c/ Z$ h - return payload;
1 _9 }' \1 ?' y0 v) w; v& {% ` - }
7 s( O/ N" }5 m8 G% u' Q - } else {% M" }+ R) Q6 E: n4 s4 F
- Serial.printf("[HTTP] GET... failed, error: %s\n",2 j4 C( P# \# x+ t5 u$ c5 V
- http.errorToString(httpCode).c_str());1 e4 s$ ~1 V0 q S, q6 b/ f" M
- }' A3 l2 ?) c1 W# [; P) l
- http.end();
( B3 r0 m8 p- f; x/ A - return "";- J, b( c4 R6 w3 R5 f" p; ]% ?
- }
: F" m" D% |# v E5 o( l1 d1 p& q - }
; Q) c- h1 ]: s - void mainAction() {
/ q: e' \' C* Q4 q- C - // 发送请求
2 `9 l$ J: z; Y i/ e3 _. D* T - doGet("http://google.cn");% Q3 |" U/ r) `- J' p/ h) |9 P
- }. d; h6 w# d" }+ T; L
复制代码 |
评分
-
查看全部评分
|