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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)
& B/ D% [4 {5 X6 |0 t1 @* s+ n- #include <ESP8266HTTPClient.h>5 ?3 F# y6 Z) U) b
- #include <ESP8266WiFi.h>; [1 o, P# {1 j6 g4 v
- #include <ESP8266WiFiMulti.h>
8 c( c$ w+ Z. o3 M7 C; c/ J - #include <ESP8266WebServer.h>! [+ `, T7 O9 _4 H
- #include <arduino.h>/ `2 s( t2 V; Y# `6 x
- ESP8266WiFiMulti WiFiMulti;
8 I; w# ` ^; |$ Q. X - ESP8266WebServer server(80);
2 k4 P0 v: G" }$ k, p - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
; L' ]' f" K7 E3 U; W1 S( M( Y - ADC_MODE(ADC_VCC);
4 ~' h+ J( @+ I) ~, o - void setup() {
' ^3 |. o8 }4 o# O( Z8 F! ` - Serial.begin(115200);& l) m- x" K! Q) Q
- Serial.print("\r\n\n");: V( J0 s, I+ h; Z# z, C) A9 a) I6 t
- pinMode(2,OUTPUT);/ N5 x6 H7 q9 q& {8 B
- // WIFI7 c g" S3 ~, m) i4 r' n
- WiFi.mode(WIFI_STA);! H2 q5 ?% N+ k- i; h+ C
- WiFi.hostname("Sparkle");) _0 A) k/ d3 G; w q
- WiFiMulti.addAP("wifi ssid", "wifi password");2 `; P5 s+ d2 z! [2 e2 l, n! q& p) X
- int tryNum = 15;
0 `6 z- ~% w2 B! L; X - Serial.print("Connect WiFi");
; _! ?" t( ~8 ~3 o - while (WiFiMulti.run() != WL_CONNECTED) {
0 K1 n) u7 [* q+ ^0 S$ g - digitalWrite(2,0);9 ^# \& m# F( d O
- delay(200);
i2 w( f: F1 P1 }6 z, D9 P* V - digitalWrite(2,1);
7 u! _$ T: K- x9 R2 Z - delay(300);
5 c5 l5 G7 }+ L - Serial.print(".");( f' K: g7 J: U( Z: {2 a
- tryNum--;( G+ G0 x+ L) j
- if (tryNum == 0) {
2 [; {) H( A X0 x2 k/ J: N - // 1min6 M3 V# V8 u G/ g+ a
- // ESP.deepSleep(60e6);
% `; P! M! z' ^ - ESP.deepSleep(0);) t1 ?: X7 C. F2 Z0 p
- }
9 g$ l" |* ]; |4 S! N4 O& }2 o) _ - }
; Y; E2 Z+ y5 |! P - Serial.print("\r\n");. O" L7 [0 ^) W/ s7 f
- digitalWrite(2,1);/ E) Z! }' ?# l; [* n
- Serial.print("IP address : ");
7 R4 @: W) f7 m3 x- }& P - Serial.println(WiFi.localIP());
/ j$ J5 b7 s0 ^8 ]7 n" B9 ?+ o/ m - server.on("/", HTTP_GET, [](){. Z; @4 J3 m! l! B: J/ F$ i9 x' E$ `
- server.sendHeader("Connection", "close");
; G6 m u0 L5 G! X# l4 b$ Y - server.send(200, "text/html", serverIndex); i) k! ]" C o9 W/ ]& ]
- });
& T& _7 e: N/ p( k+ _5 a+ ^5 u9 ?! J2 n - server.on("/update", HTTP_POST, [](){
- O: A( Y/ T7 F% B( A+ i$ D/ i+ g3 I - server.sendHeader("Connection", "close");
% e, m3 {! N) b( A. } - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
* a% g$ V/ r9 h5 P6 v4 B g! M - ESP.restart();
( z5 Q( G# a* G: a- d6 }/ T6 w8 _, i - },[](){
7 x0 q0 n* }& L5 Q, T+ { - HTTPUpload& upload = server.upload();* A! z6 U' m% J
- if(upload.status == UPLOAD_FILE_START){
. Q' G7 E4 a- b* G$ W9 D( B8 W* A - Serial.setDebugOutput(true);) I# a1 ^4 ?( j4 m9 C/ R' B
- Serial.printf("Update: %s\n", upload.filename.c_str());
" O/ k# z3 P: m - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
) g4 _5 r+ i& k' C3 Z( a' Z; i - if(!Update.begin(maxSketchSpace)){% J4 M& j' F, m0 ?6 G& _+ E
- Update.printError(Serial); Q8 ~' {. Q2 {' D/ j) G
- }1 |( ]6 R) ~' m& y- G! ~: g6 x
- } else if(upload.status == UPLOAD_FILE_WRITE){$ A5 m+ B6 X' I
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
5 g/ X9 @/ H$ D; |- o+ N - Update.printError(Serial);# J, w7 X1 s% m
- }
4 ?# E, ]! t7 u. T - } else if(upload.status == UPLOAD_FILE_END){
: t+ @: r$ B9 } - if(Update.end(true)){
& b7 n# q+ q& K - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
, i; ?3 H+ ~5 K' @# X5 y - } else {
$ t2 @( I5 w- V0 S. T - Update.printError(Serial);
0 N$ R9 i) a& s! X) u - }
4 K$ e8 l( c- C$ H9 D# E - Serial.setDebugOutput(false);
$ v( f, _) I& e6 L - }
( F1 v' {& c7 S" ^" i0 } ^ - yield();
6 x+ }! d0 ]6 ~3 |( T8 M - });. ]" V' e# _1 h7 c
-
2 D7 o) R4 e4 v4 x/ T) ~; T" j - digitalWrite(2,0);5 e- R, K/ _6 D( f0 p/ F
- mainAction();; x% h5 }( \( s, G! E; C( Q
- if (digitalRead(0)){
# m. q) |( Z' I; d - ESP.deepSleep(0);7 F4 K0 d6 M6 H( s* S c5 a) T' o$ x
- } else {
) F' `4 |0 _& k( a; Y o - server.begin();
: I& {/ f; T4 ^/ t! \$ Q - }- r0 c: \% D- {: v
- }
3 m" c5 w, V6 V! p8 ]8 [ - void loop() {
q+ B ~& G; b0 \2 D5 Y+ Q - server.handleClient();
& R9 X4 {( r, ^; w1 ]5 R - delay(1);/ D+ X! [5 p" C2 _ m4 I
- }5 b; e* p& d: R( ]* y- _: u
- String doGet(String url){5 b% X/ v' B& A. Z' P' P
- if ((WiFiMulti.run() == WL_CONNECTED)) {
8 x$ L3 P! @3 b; Y - HTTPClient http;
% L M6 K* M1 I - Serial.println("[HTTP] begin...");
( D2 }5 x( B# k" l$ I/ ~, h8 H - if (url.startsWith("https")) {
9 D0 v* A J# R% e G - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");' r2 b& `, J8 z# o; o/ w3 g0 ?
- } else {
% o7 M- l8 D: y' S - http.begin(url);
% G+ B" P% @& y2 J/ I+ Q& x+ ` - }
/ b- c1 K2 h) g' E, |& H+ N3 N - Serial.println("[HTTP] GET...");
" B; V9 r U' r# |$ U7 @) p/ M4 q - int httpCode = http.GET();
& V! R4 n4 Q3 x# l - if (httpCode > 0) {
4 K1 P" w. d. {# @ - Serial.printf("[HTTP] code: %d\n", httpCode);
7 G0 E, e3 ~! b4 o# b6 \3 j - if (httpCode == HTTP_CODE_OK) {- x: z/ \3 j7 u, H) |% ?
- String payload = http.getString();
6 C" Q: p( ]6 @$ D, w* C - Serial.println(payload);
2 [6 T; a5 E! ?( x8 Z - Serial.print("\r\n");
5 o" Z. o: M: i9 x - return payload;
1 m) o, \2 Y" Z( G1 D/ J' x - }
4 \3 N; P( B6 a* p. d/ j* T1 |. k - } else { N) j0 O) y' ^) V5 N
- Serial.printf("[HTTP] GET... failed, error: %s\n",
. m `: c0 d9 k: L& F3 g" O - http.errorToString(httpCode).c_str());
4 C" j( {1 h/ x$ [5 n- {) E - }7 q2 _ c; }, v+ i) h
- http.end();0 r$ L, q- c; D( b! K9 n$ ?5 R- o
- return "";' a6 K% }% c$ Y
- }6 S1 C- a7 X. v5 ^# c' r. ?$ {6 T8 e
- }3 x1 u5 X, x \
- void mainAction() {3 L2 X5 q3 \$ p
- // 发送请求
6 F% [# r( r+ Y: B! V! b% K6 ]5 } - doGet("http://google.cn");& j( t5 b+ _) [7 P# w- m4 k0 y
- }
, }9 ~: Y8 x, N" Y/ a6 P: A1 E
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