|
|
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)$ M4 M: T3 d) F% a n5 z2 h
- #include <ESP8266HTTPClient.h>0 E, Z" s8 O4 b, I. A) u
- #include <ESP8266WiFi.h>
7 f2 V1 M8 h" b; r( u' q - #include <ESP8266WiFiMulti.h># E" t; b: K- x, v3 U3 b8 ]
- #include <ESP8266WebServer.h>/ p0 H7 l: [, `; w# f
- #include <arduino.h>
6 Q4 m0 r( R+ e. W7 b9 S8 w - ESP8266WiFiMulti WiFiMulti;3 S ~+ ~9 E* ], F- Z( C" w8 ]
- ESP8266WebServer server(80);2 }0 M7 E; M0 h" i5 O2 U* o6 c
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
$ o$ V, P: b- E V - ADC_MODE(ADC_VCC);
9 Z5 z. d( \9 u - void setup() {( D$ C# h0 Y/ L6 p) p
- Serial.begin(115200);
! r6 ^5 b" U Q - Serial.print("\r\n\n");
m6 B+ z9 F+ D, m2 R3 N: O - pinMode(2,OUTPUT);* z: g9 O6 g. @1 i% {
- // WIFI
6 M7 C) s, X( P0 E - WiFi.mode(WIFI_STA);
5 ^) M6 c5 Z; W: _ I" [ - WiFi.hostname("Sparkle");
5 \/ W3 _6 q5 V4 N% H, V - WiFiMulti.addAP("wifi ssid", "wifi password");
) E1 f# O$ {* j- a" b, q - int tryNum = 15;
" t* X# ~& C8 N; x - Serial.print("Connect WiFi");
- `! F$ }3 y1 ?. ^0 T - while (WiFiMulti.run() != WL_CONNECTED) {
- S0 U9 z7 q+ z# _; ?5 r - digitalWrite(2,0);
% k4 T W. G: d; C - delay(200);2 N9 m: p' g" e8 _/ B/ D; S9 \! W
- digitalWrite(2,1);
$ X- F; V: e1 C( v( |, e, X - delay(300);
& t# @, t! S9 m2 U, Z - Serial.print(".");+ \8 w& {9 U5 W4 q! Y; y# X
- tryNum--;" K* M2 p, X; G" }' |
- if (tryNum == 0) {" M! `, \- ]. A @# g. f3 s8 H' g
- // 1min$ k! o* I' i. O4 a7 @/ m6 g
- // ESP.deepSleep(60e6);
6 l/ x H- R: [ - ESP.deepSleep(0);! W6 C6 q/ c5 h* T+ T, o
- }
; S% @7 Y' [# n: `" f - }% b6 j, ^) D d( d% q4 Q' H q# `. ~
- Serial.print("\r\n");- {% X/ E+ K/ @* ^! M) R
- digitalWrite(2,1);6 m' L" |+ A0 e7 I0 }+ l
- Serial.print("IP address : ");
& X8 c$ {& x8 `3 j- C# d( V$ q6 q - Serial.println(WiFi.localIP());
$ u7 a" b7 _& E; j/ [ - server.on("/", HTTP_GET, [](){$ X* I; x. y; P+ S8 t$ S, f
- server.sendHeader("Connection", "close");: o* g m/ n( j8 I
- server.send(200, "text/html", serverIndex);
# u' C7 G7 m5 F) F1 [8 i# d# e D - });
' ?' q6 h0 a" `& m9 y - server.on("/update", HTTP_POST, [](){
4 E7 @' P0 {# {& } - server.sendHeader("Connection", "close");" @$ V/ j0 a$ e* j( X: _" }9 I
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
$ S: b- g. |2 Q0 h# V( i- x - ESP.restart();; _3 a% d) h3 ~7 c- Z: q7 \0 |9 w9 ]
- },[](){9 s" D, F4 W& _
- HTTPUpload& upload = server.upload();" R" r- K! Z/ j
- if(upload.status == UPLOAD_FILE_START){
; W& Y, l3 y5 W u - Serial.setDebugOutput(true);
: N N+ s* z, r, V' o+ l, ~ - Serial.printf("Update: %s\n", upload.filename.c_str());
9 j1 P( D- ?; } - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
5 X, [; p0 { B" J+ q4 C% Q- L* V - if(!Update.begin(maxSketchSpace)){7 ?" x4 I9 Z, @7 m. Y; r! I
- Update.printError(Serial);
6 h$ o8 z7 g1 K# s S - }
/ ?5 K4 e* [8 |+ w: x - } else if(upload.status == UPLOAD_FILE_WRITE){
8 d, L" m7 u- A" d! b3 z; m8 q - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 z, F; u* C* f% v3 J( T8 E2 m. v, t
- Update.printError(Serial);
1 w1 m5 p7 H3 ]$ K% ^ - }6 ]" S0 o, w9 q& i
- } else if(upload.status == UPLOAD_FILE_END){& L0 i; g n7 h! L5 w6 K7 P
- if(Update.end(true)){
) u8 e3 s: O) ]$ ^ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);( `; D# F& G8 x. l
- } else {
0 c% p* u( d, R* `. n- [* } - Update.printError(Serial);
M2 Z+ a$ ]" S/ f' { - }
6 ]: K3 }+ b4 t6 R* o: _8 y - Serial.setDebugOutput(false);
0 ]# U3 F- K: d6 {5 e - }
+ y) R; X7 h" T - yield();6 c' R8 M: W. P. d/ B! a
- });
5 i1 F5 ]1 ~8 g/ J, g5 F' s+ g -
' a3 A- b3 U8 Z, Y4 g7 v2 n - digitalWrite(2,0);4 X# _ v0 B7 S. P: |) S
- mainAction();1 f1 j2 g# {- \/ p l) ]
- if (digitalRead(0)){
2 A! @ ]: n. ]% `, a - ESP.deepSleep(0);+ L0 z- E/ [+ @$ u( C4 R8 V. N
- } else {
$ P, e4 z4 w4 h Q - server.begin();
9 g& W$ u% e7 \9 g- Z - }
% p1 Y2 Z3 h* t3 s% _ - }
& F9 p; [2 g, D( k6 o2 J - void loop() {
t5 N. F" l& ^- L - server.handleClient();
3 T! J: [5 l0 P - delay(1);; }7 X8 w9 u* e8 o: w7 P, `
- }
\& t/ s) v+ A4 j - String doGet(String url){
4 i3 F1 F9 Z( p- ]9 J6 z' d# Z - if ((WiFiMulti.run() == WL_CONNECTED)) {: i0 {5 @/ G5 o# D
- HTTPClient http;) c- x" N+ `8 y4 E2 w8 W
- Serial.println("[HTTP] begin...");
N5 h. T4 z& x) ?/ | - if (url.startsWith("https")) {' z& M2 c7 U3 E6 ?) f
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");: s7 Q7 V Z2 K' L9 y4 ^
- } else {
1 D7 D% G/ v% k: z7 w* w3 D - http.begin(url);: H, _+ {9 i( f# A1 D1 I" b
- }
1 X# c. P6 l8 S# k7 u# B' _ - Serial.println("[HTTP] GET...");
" \6 ~! ^# w9 ~7 o, ^ - int httpCode = http.GET();6 {1 ]" P) w7 w
- if (httpCode > 0) {
- {. R# ` T0 @7 c7 @$ e* x: V - Serial.printf("[HTTP] code: %d\n", httpCode);8 S8 F6 c' t( `) f% q! p2 @
- if (httpCode == HTTP_CODE_OK) {- n8 S G/ m* x9 M
- String payload = http.getString();. H; |" U- h3 h( G6 ?* y
- Serial.println(payload);' }: e8 T* h3 Q5 m
- Serial.print("\r\n");
7 l$ p& L% }- X: A - return payload;3 P: @4 Q0 R) J
- }' {" [+ X9 H2 @# a! E3 |) Z# q; R
- } else {
' h& b7 c% z& \) x, V - Serial.printf("[HTTP] GET... failed, error: %s\n",- T3 @. {* c: H6 \2 N3 J( Z4 H
- http.errorToString(httpCode).c_str());2 f# | W4 ^1 d v3 @2 c% H
- }$ d1 \% |+ L5 n0 @% T( C
- http.end();
' b. h3 K2 _# r% E3 Q S: D - return "";5 _' E! ?5 ?, m$ ?' A
- }- a8 g2 L0 d {5 V: @+ P
- }
$ _7 s, p. M9 q0 f - void mainAction() {. O* a) M: d. Q7 a [) Y: p, _
- // 发送请求2 M- o8 X4 W8 r: ?$ U- v9 n* g5 S
- doGet("http://google.cn");# Q" _3 P2 F: h( J: M- K
- }5 A# }7 [, B' A5 J
复制代码 |
评分
-
查看全部评分
|