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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)* ~4 D$ Z" e( c, _0 \/ F! R
- #include <ESP8266HTTPClient.h>
9 k+ s; b+ J: q! X - #include <ESP8266WiFi.h>
1 i2 p4 p4 h& B1 U! i9 B1 H - #include <ESP8266WiFiMulti.h>
' j; M Y$ ]9 @ M0 C, k, X& B - #include <ESP8266WebServer.h>
' Q$ E0 w) F- t2 t - #include <arduino.h>& y. ^+ m: P7 Z0 {7 H Q
- ESP8266WiFiMulti WiFiMulti;
# K5 P2 f) T: @5 W1 q: ~ - ESP8266WebServer server(80);
2 o/ S5 Z' |8 u {4 q - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";( X9 B% d" n6 n; }
- ADC_MODE(ADC_VCC);2 v2 @8 y; P! P/ v0 n
- void setup() {
3 h, j0 c" A8 a: {$ }& f# o - Serial.begin(115200);
0 E/ ]' d" c+ t0 U; r$ F - Serial.print("\r\n\n");1 I- c h3 _! e/ e$ `. d" p0 Z
- pinMode(2,OUTPUT);8 ` c. V" a) U9 `0 z) i
- // WIFI
+ k' d7 }1 _2 F: U+ I9 n! p0 { - WiFi.mode(WIFI_STA);
( V# m& }$ V. ^- J - WiFi.hostname("Sparkle"); F: n6 L8 H9 |: a8 w
- WiFiMulti.addAP("wifi ssid", "wifi password");: h5 i" [/ v+ c) g4 a# Z5 A
- int tryNum = 15;
5 i6 _( n: ]$ R+ [) j' d* X - Serial.print("Connect WiFi");/ Q, Y% K8 y0 ^( ]1 G1 g; X9 T. C' t
- while (WiFiMulti.run() != WL_CONNECTED) {
0 `0 Y4 n# v0 @5 }& o - digitalWrite(2,0);
( ^ w! `+ j8 o# _ - delay(200);
1 Z% C1 q; F \2 G - digitalWrite(2,1); y N9 L& w3 } {
- delay(300);5 F% Q( C$ B# _; ~" Y
- Serial.print(".");
( X/ W5 A' R, k8 H j4 N - tryNum--;# L- \# T6 M' {5 M' Y V) B
- if (tryNum == 0) {* |# U& b) Q5 s. z2 m# f- U) }
- // 1min
2 p" h- ]8 z6 w: h1 [ - // ESP.deepSleep(60e6);
4 v6 ~. M4 x, Q; H" p5 M: ] P5 j - ESP.deepSleep(0);
: [: k+ W8 Z: b - }
' i8 X5 q: ?; N - }
- z6 [/ Y# h3 y/ I5 G7 m* P$ r2 _& N - Serial.print("\r\n");
: W1 ^, J4 S* Y! k+ ~ - digitalWrite(2,1);0 }9 S- s' O+ }$ S
- Serial.print("IP address : ");
, [! S- s, r) g! K a - Serial.println(WiFi.localIP());& S% o% K% F+ y* E
- server.on("/", HTTP_GET, [](){
' E: U( K5 M3 v* X8 C' T - server.sendHeader("Connection", "close");0 v& y; A% |9 ^1 h3 w
- server.send(200, "text/html", serverIndex);
. ^7 X) Z/ ^. o, E6 R - });. T, k% k% Z9 m' L
- server.on("/update", HTTP_POST, [](){( s; V6 K5 A. Q! r/ b" k1 k
- server.sendHeader("Connection", "close");8 t: R1 w7 G' p2 m& _
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");9 j4 N6 }3 c& m
- ESP.restart();. }0 Q. T" D* F0 \3 ^
- },[](){
6 B1 [6 N; {: {1 U# W# c$ N - HTTPUpload& upload = server.upload();: _9 F) D, ~5 P" }! V
- if(upload.status == UPLOAD_FILE_START){
+ { K4 H. @ ~4 |, @; [( q - Serial.setDebugOutput(true);
2 Z, I- X4 S9 U4 ]; a - Serial.printf("Update: %s\n", upload.filename.c_str());
: O2 q* ^: a* v5 ]- @; { - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
+ u" D# \; @: V+ s8 r) x, h - if(!Update.begin(maxSketchSpace)){1 S8 A0 R0 \: c ^& s3 P
- Update.printError(Serial);
9 E' P- B! i1 ]: w5 r7 G- y - }: Y, R. @' L6 o$ ]3 n
- } else if(upload.status == UPLOAD_FILE_WRITE){
8 \1 R! t/ ^" O$ b- M - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){7 |8 i+ D, o: j! y; s
- Update.printError(Serial);
~' u+ e9 D- ^) b+ | - }
# [* e) Z1 B4 j8 h - } else if(upload.status == UPLOAD_FILE_END){
$ R7 F# w$ r+ a8 P - if(Update.end(true)){
6 b0 L3 s' e; ]# s( k - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);4 @8 u' e% {0 c2 t+ R* U4 ]6 C
- } else {5 }- v, L6 Y8 T! _6 q% W% |( O' m
- Update.printError(Serial);8 ?: H# {6 V, ^# E1 j4 i
- } L2 i; n; {" i9 [
- Serial.setDebugOutput(false);3 | o6 ~" y1 v
- }/ U+ l w7 V2 s! w
- yield();# c5 L; |4 \$ K, i7 U: A
- });, B% e* F& G6 k4 A! i1 V
-
]& W1 l/ v% n/ M3 T& E- J2 Y z - digitalWrite(2,0);. o) n; K' y5 ?3 W d1 O
- mainAction();
3 F6 u7 a1 _2 H! O - if (digitalRead(0)){3 O+ W$ B( q" B X2 @
- ESP.deepSleep(0);) Z2 s4 s {7 \* p
- } else {& M% x: W: A2 t3 J p! t
- server.begin();
* p! b/ C7 c% U' p4 P1 i. J/ z( u3 z - }9 E1 q* j1 \& W2 v/ T$ p \
- }% L9 h* y, Q! P- R
- void loop() {0 k; Q0 P* ^; L8 N
- server.handleClient();
9 {2 r7 }" \4 H7 @; J - delay(1);
& J4 f& D" Z! Y - }" J1 B9 `; N; K4 ~2 ~
- String doGet(String url){
# y* O. W+ i6 ^# a- P; a - if ((WiFiMulti.run() == WL_CONNECTED)) {
" `9 [ w4 c! s N( c! X' N - HTTPClient http;! n) K1 M( r) l8 c) R& \$ T( Y
- Serial.println("[HTTP] begin...");8 k' t3 K6 G2 j7 h R
- if (url.startsWith("https")) {
3 {* W( A# N7 _8 Z" | - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");8 p5 N$ l% ?1 }! b
- } else {7 z Q& b2 i$ f& _. `1 V
- http.begin(url);
8 q( ~ I( @! w1 w- {0 g - }1 q ]8 p" o c4 S. g& j( j) _0 L
- Serial.println("[HTTP] GET...");
2 |8 y6 W! u& @( Z. O1 K - int httpCode = http.GET();
3 v+ }# v) ]3 v) V: Z% K! u - if (httpCode > 0) {
6 L: ~$ q1 O3 x. C3 n - Serial.printf("[HTTP] code: %d\n", httpCode);
' J% E- j( l4 d7 c - if (httpCode == HTTP_CODE_OK) {
7 b- o, G; t) V6 x - String payload = http.getString();
- J4 R" D# ~: ?, s; D, e8 z - Serial.println(payload);6 H# ]% w& Q5 B8 |6 T' a x. X
- Serial.print("\r\n");. |! z- }; ^* t6 N( A) r
- return payload;
9 x2 E8 W% s5 { - }
6 @6 q' v: \+ E: ~5 B g. H ? - } else { W/ f$ U0 Z8 c( E
- Serial.printf("[HTTP] GET... failed, error: %s\n",
# T" z+ ^$ G4 x0 g$ o0 X: L - http.errorToString(httpCode).c_str());+ d' l6 J; Q @9 h1 b% p
- }* \+ C& x) E7 S& T) v) G
- http.end();! j# i& M R1 o, N; i
- return "";
9 @1 j$ x5 R- o# ?% z - }
, L2 r# y5 a( I5 O# k! p8 S4 N - }4 {* V) ^# P: ^% P
- void mainAction() {, ?2 k6 k0 _( K1 d+ l3 S2 b+ o; W
- // 发送请求- M+ g9 N8 f6 q- ? {
- doGet("http://google.cn");
& r9 q2 d9 a2 k+ P3 {" D8 u - }
$ _8 q2 M( D$ @3 i/ a4 d0 H
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