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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): W/ N+ _0 V+ j% |
- #include <ESP8266HTTPClient.h>- ^* P+ \7 R U7 W D, k
- #include <ESP8266WiFi.h>
. @6 [0 w" y1 G( M: O - #include <ESP8266WiFiMulti.h>- E* o" o+ P' ~8 T" W
- #include <ESP8266WebServer.h>
8 n5 a4 c# w7 ?: y6 b - #include <arduino.h>
; ^, E4 Q/ V0 K$ z- H Q - ESP8266WiFiMulti WiFiMulti;. D2 o- j5 m" a* K
- ESP8266WebServer server(80);! w# N5 Q+ n) U4 ^6 |3 E
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
& L8 J( U; K5 l - ADC_MODE(ADC_VCC);
$ X0 ?- r9 X0 o* Z) t( D8 D2 j - void setup() {
4 V9 U- S5 G; J7 a& G - Serial.begin(115200);
8 \3 S+ u' v! p) I$ J$ k - Serial.print("\r\n\n");
3 u: d% d6 Z. a9 K+ p8 C+ e0 c - pinMode(2,OUTPUT);& h' e4 ^ t) d6 K6 w
- // WIFI
! w7 |7 r7 O- G9 } - WiFi.mode(WIFI_STA);
+ K0 Z Y* E, U2 k+ C - WiFi.hostname("Sparkle");
F2 `. b: ]7 ]" x$ G, F& ?5 J - WiFiMulti.addAP("wifi ssid", "wifi password");6 j) C5 o- K/ A) T9 b4 O1 Z
- int tryNum = 15;
! A7 M B& b$ s+ w! Y, | - Serial.print("Connect WiFi"); f% v3 P& b% O1 ~6 ]1 `
- while (WiFiMulti.run() != WL_CONNECTED) {# ^3 k" ]. o2 D. y* Y* b
- digitalWrite(2,0);
9 e6 T& c- Y9 A% W - delay(200);9 t4 r% k3 [" [0 y& B0 g+ C; {. Z9 E
- digitalWrite(2,1);& B! K/ E; o+ a- h0 u
- delay(300);9 ^; @9 N( }9 }% h- Y4 Y S. Y* f
- Serial.print(".");7 M# D$ r/ \% ^# i+ H2 R
- tryNum--;7 B5 v9 Q6 W& {: k
- if (tryNum == 0) {
* |% ~1 i3 ]; R, [ - // 1min! X' u- h3 \ J( N5 J) Z
- // ESP.deepSleep(60e6);: W/ A9 z4 _6 P* p
- ESP.deepSleep(0);
+ w y) O* S4 q+ Z! c - }
4 y6 \" o9 C6 X - }
! w- `, h Y$ X3 J - Serial.print("\r\n");6 V/ N" D$ M9 Q" _6 e- ?
- digitalWrite(2,1);; q3 N$ F2 L) @0 z/ N. R$ b# d! ^
- Serial.print("IP address : ");+ g6 G) [1 H0 O& x7 c* L: ?5 f7 D
- Serial.println(WiFi.localIP());
?: Z7 t" @; `6 p% u# E - server.on("/", HTTP_GET, [](){
3 O. A) z% Q3 `% b - server.sendHeader("Connection", "close");3 I+ Q* f% E9 X
- server.send(200, "text/html", serverIndex);! O. J$ M+ |; B( R4 o& i4 Y$ f
- });% Z8 F8 q5 |2 J7 E l3 u! J
- server.on("/update", HTTP_POST, [](){& C+ T9 V+ h8 v4 k; N( {1 M
- server.sendHeader("Connection", "close");/ y4 \! c& v$ o
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
2 O$ L) ^1 ~5 M: i) {, G% T' G - ESP.restart();
1 v2 W$ z" m4 v4 p8 s- F2 z - },[](){
$ _& t' G8 `# c( _2 N" D7 S - HTTPUpload& upload = server.upload();
[) H4 L& |3 W0 I! B) L - if(upload.status == UPLOAD_FILE_START){2 L% v8 Y) M k9 Z
- Serial.setDebugOutput(true);7 h6 f4 ?/ I2 `/ W2 o) }4 s w: _
- Serial.printf("Update: %s\n", upload.filename.c_str());
8 p6 q( H% P& z - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
: F9 @, x6 n5 H- s0 ? - if(!Update.begin(maxSketchSpace)){
7 i v# K1 y2 R8 T( J - Update.printError(Serial);
" h( w5 `6 _7 z - }
M- n% a& t; l - } else if(upload.status == UPLOAD_FILE_WRITE){& r+ D2 _# T7 K8 V7 i0 ]9 }
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
3 b- `7 d5 G5 i, x2 J! l8 {9 r- Q - Update.printError(Serial);- v0 H4 W3 m) w* T% V9 o- I! g& _
- }
- [" E8 _# t1 X# Q6 g& N/ \1 ^# M - } else if(upload.status == UPLOAD_FILE_END){
5 P* j' e7 q/ w! {; w+ Q. z- w" Y! H - if(Update.end(true)){2 L4 M8 W8 o# x9 ^5 O8 Y# M# `4 Z
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize); J4 {) z& M$ e: e+ u
- } else {% H# \! Q" Z8 k' {
- Update.printError(Serial);3 w! `+ Z/ {0 d9 \ R- C0 c
- }2 v( O3 C2 D# x/ u% g' M
- Serial.setDebugOutput(false);
+ P7 W/ c7 `* _! e9 i - }
6 N, D; ~9 X9 t4 w1 o- \9 J3 E - yield();3 ^ y" b3 I# }0 G) p. H$ n
- });
" L+ a, N0 X! F) ^1 N7 C2 \9 X* d3 R - 0 y+ X5 d, y1 X, Y5 m
- digitalWrite(2,0);. q* u! B, j d# H7 p9 W" u7 j
- mainAction();! w8 h: {3 V0 B$ I3 N
- if (digitalRead(0)){
! s; D1 X5 J# t9 f3 ?; I - ESP.deepSleep(0);
; f- _( k P' e1 V0 j- g - } else {
( Y. L) Z8 q3 s+ R" H8 V5 Q - server.begin();3 K/ o# `* R& O9 H4 i
- }
$ O: J2 R3 n! \! O - }) x$ W0 _; p9 y; q- ~/ C8 p
- void loop() {
% ^, F$ s% P ]9 u' B - server.handleClient();
: j$ @( Q: l- k, n: n0 i' K1 a - delay(1);
# x6 c. e$ c7 b0 G( C/ V9 s - }# ] [7 B& t4 Y7 J* ?
- String doGet(String url){
9 z7 ]0 d& T$ \3 B0 j0 |% i" B1 L - if ((WiFiMulti.run() == WL_CONNECTED)) {% x5 I) G# F# H j% W: I
- HTTPClient http;
. b+ S5 O' W7 J/ N0 m/ g3 i0 M* N - Serial.println("[HTTP] begin...");* M9 {# c3 Z M! L9 \
- if (url.startsWith("https")) {; ]6 M# E& F; C4 L) m0 _6 J
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
4 n# Q' b8 S9 ]% `- P; n9 p - } else {
* r3 D% k, U8 }+ o - http.begin(url); } z; b8 V" d% l, F* W
- }
; }+ j! N" ~" A6 L( J$ E - Serial.println("[HTTP] GET...");6 }; k; k/ z/ t' d# d
- int httpCode = http.GET();) C0 }# O0 W) N4 @8 a3 I2 U( t4 h
- if (httpCode > 0) {& Y9 z; V) Y/ G% ?! M! Y. C" D1 Z2 N
- Serial.printf("[HTTP] code: %d\n", httpCode); q1 _- A# L( p2 b
- if (httpCode == HTTP_CODE_OK) {) T1 S/ k& r& X% Z2 S
- String payload = http.getString();# u! a/ R& \& |8 G( ]- f9 V
- Serial.println(payload);9 i3 C% s% I& O- D) ?3 X* ~
- Serial.print("\r\n");
2 f5 w% M; _( ^+ t- Q - return payload;
$ v' d" J3 o* F' j* O5 Z% f - }
( E# \1 ?% \9 v - } else {# { y1 p# H' f# }3 Z1 R! m- d4 K
- Serial.printf("[HTTP] GET... failed, error: %s\n",
) Z g+ @+ M& C7 k - http.errorToString(httpCode).c_str());
7 f* L0 j0 I( G7 U - }! \7 {7 V+ [; i* t
- http.end();5 T! j9 h; N% W. N
- return "";
# ^. E8 _) v! |) D6 Y7 h# a8 r- g - }
n8 x& e7 u0 Z, P' z - }
3 J0 s: p: M/ i - void mainAction() {
* q, e- X; ?% O7 }, E - // 发送请求
2 N0 P% u4 _% ~+ L b M - doGet("http://google.cn");, D$ A* q7 N3 _; \* C4 Q4 P
- } N; N* |3 \5 e. Z" c- h
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