|
|
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)
5 ?$ p& q7 m/ ?1 C$ k8 J- #include <ESP8266HTTPClient.h># _- K5 K4 x' O$ e# |
- #include <ESP8266WiFi.h>
% D" J2 J; u( w4 K6 }& {* N- m - #include <ESP8266WiFiMulti.h>
0 w1 L5 o$ \# p% X, c - #include <ESP8266WebServer.h>) t: Z: \3 H, h1 O) ?# \
- #include <arduino.h>
7 K6 e# m3 {) \8 o/ y$ k! l - ESP8266WiFiMulti WiFiMulti;+ ]* [ a9 X' H* Z4 h+ l
- ESP8266WebServer server(80);
6 c# C7 Z g* S; U7 o+ |" s* p - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";; L7 d' q" ~4 K0 Z; M9 S
- ADC_MODE(ADC_VCC);
1 W0 A" C5 q) {& ^* ?* g J - void setup() {* {$ @( o9 v' y0 n
- Serial.begin(115200);9 t/ f8 l7 @: n9 b2 a4 ~
- Serial.print("\r\n\n");
) j. d1 `, @2 m - pinMode(2,OUTPUT);! f% ]4 B, L: [0 y# L4 s. s' ]
- // WIFI
2 c) Z9 r2 \0 j3 ?$ [2 O+ j& U - WiFi.mode(WIFI_STA);, d, W6 k( T2 X, a5 r8 r" O" [
- WiFi.hostname("Sparkle");
, X( s0 i! q5 j2 h/ K' J* f - WiFiMulti.addAP("wifi ssid", "wifi password");
2 }: }: X' l5 n, N - int tryNum = 15;
3 _; h% u$ A7 Y/ M) I - Serial.print("Connect WiFi");
) y4 l0 J1 Z' B+ F8 Y' @ - while (WiFiMulti.run() != WL_CONNECTED) {! w E. u# ]- S/ }( t% O% L
- digitalWrite(2,0);# }. n" \6 c1 A B$ S* f, s
- delay(200);
9 {: c9 j! r' T8 G" U - digitalWrite(2,1);
( g7 R/ }+ x4 x0 P/ E - delay(300);
) y4 v# ]# `- G6 N2 N" x+ z - Serial.print(".");$ e7 W+ P6 P" [4 @& w. ]4 \
- tryNum--;
/ {8 [4 s! {, p6 V& j# V - if (tryNum == 0) {. Z6 H4 d/ E# @$ g$ {+ |1 t
- // 1min
( V: G a% m/ {$ [1 g, z2 |( F - // ESP.deepSleep(60e6);( Q3 \6 k( U' u% z S; A
- ESP.deepSleep(0);+ Q6 P& [* x2 W4 i; B
- }
. z* v+ }0 ~( @ - }
; `4 v$ b9 m' u# d G } - Serial.print("\r\n");! b& M9 I" ^# r$ r& Q$ G
- digitalWrite(2,1);
1 D1 v# E% k ^2 |! U! m% _1 ~1 q' ` - Serial.print("IP address : ");6 w& S6 Y) g. N6 s7 B
- Serial.println(WiFi.localIP());
' z; I% H7 Z: a - server.on("/", HTTP_GET, [](){# ?0 v/ ]5 U# u% u; n
- server.sendHeader("Connection", "close");
9 F9 [ V1 V; H; H& ]% k! e - server.send(200, "text/html", serverIndex);
% x6 k( i7 J; b - });
9 |2 q! M' g4 j5 ? - server.on("/update", HTTP_POST, [](){! m h- ^: W/ A0 a* V" Y9 @1 Q0 N0 T
- server.sendHeader("Connection", "close");; A, O/ t* ~! ~/ ?4 g
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");( X1 K3 M6 `' J2 E' k" p
- ESP.restart();
$ X7 o* V# _& n9 M8 { - },[](){2 s$ \ n4 v) E0 f
- HTTPUpload& upload = server.upload();
' ]( P, r9 j% D& \ - if(upload.status == UPLOAD_FILE_START){
- M8 e s, B/ y$ K M3 ? - Serial.setDebugOutput(true);
. e$ r& O0 d9 U: ` - Serial.printf("Update: %s\n", upload.filename.c_str());/ m5 A- J2 K" G) P& M
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000; G2 D! z5 E- W" m
- if(!Update.begin(maxSketchSpace)){
9 n' s9 e& g ]% _ - Update.printError(Serial);
2 `$ S0 N- o0 |; l# ?; C - }# A9 r! ?) r: C' k2 S
- } else if(upload.status == UPLOAD_FILE_WRITE){
: R2 a8 t7 F8 a - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
5 S1 k7 h3 A6 i - Update.printError(Serial);2 ?+ T4 R p! p* T( A4 e
- }- F# L6 P' b/ V! n
- } else if(upload.status == UPLOAD_FILE_END){( D8 ^2 D* Z$ {! L' s! a
- if(Update.end(true)){( [0 [8 j6 b+ l
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);, ^; v. _4 V& I" ?
- } else {
t) H" {+ F0 O - Update.printError(Serial);2 U- D! ~4 S- Y, W* V7 k
- }
3 O4 A' x+ k m' q# L& T: p - Serial.setDebugOutput(false);3 S3 p- S# w- c5 s4 E
- }! t6 m4 ^ {( k: m
- yield();
) r; k+ j2 S# e$ u$ B* {! w - });) W$ l. F6 e" _) [4 q
-
* f3 i) Q3 K$ e* J; W - digitalWrite(2,0);
& j* F4 _( a( J$ N/ T& ~- I - mainAction();5 l1 J- _- L' w/ x( R
- if (digitalRead(0)){
: W4 u/ M0 N4 q& y' e1 H - ESP.deepSleep(0);
4 e% ^' r/ v" F6 f' \8 a - } else {) V* Z; P* {' v) s2 m. t+ k
- server.begin();
+ |; d) ]) k+ Y - }& J' I9 D0 A' q6 R! ?5 b8 l. t0 v
- }, u: y, G( W3 _( p. }& W! o, r% f `
- void loop() {
, Q/ I8 `1 t8 G8 R# P, z( O, H - server.handleClient();
6 \, g& u6 M5 j5 T# [" `: l - delay(1);
. J0 Q! D" ]3 K' x3 u6 b2 I0 | t - }
8 I3 O: ]1 w8 j3 R* P+ n9 q+ S - String doGet(String url){
/ S [6 }& l! L - if ((WiFiMulti.run() == WL_CONNECTED)) {" A4 k: q2 `5 k4 W. `: V
- HTTPClient http;
) z' y7 `/ B' M( j. } - Serial.println("[HTTP] begin...");& R; v' ~6 p' @3 a- C7 G! {" D. U9 S
- if (url.startsWith("https")) {4 F( G( h* R' f- S
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");0 d3 D) @) t0 {( i( H4 u
- } else {
6 [5 o! F: j1 o - http.begin(url);$ g: f: K0 V7 j* G( m, O4 N
- }) ~, ^* A: w' H' |
- Serial.println("[HTTP] GET...");: I6 H, e5 Z7 g' E& T
- int httpCode = http.GET();, {* {* D: B) b% c: a& S I1 ^7 ]% Y
- if (httpCode > 0) {
" [& M. n9 H2 S' l - Serial.printf("[HTTP] code: %d\n", httpCode);* g& w% Q7 Y6 j4 J: P& D; T8 u- h
- if (httpCode == HTTP_CODE_OK) {
0 X' d8 P( t/ R/ w - String payload = http.getString();4 }' g+ N4 @* B/ Z
- Serial.println(payload);
4 ^9 N& O) w! P) U! Z/ V3 v; o" @ - Serial.print("\r\n");
- D5 t7 |/ I% I1 N6 ` - return payload;+ X; j, _+ i" w
- }
2 ?! Z) y/ ], D - } else {
F. h& f V) x: N+ Q. K6 A$ Z - Serial.printf("[HTTP] GET... failed, error: %s\n",
- i& R, Q1 ~! T/ p# s8 m" s - http.errorToString(httpCode).c_str());
% T5 d( W$ Q. y( ^ - }
( J: J! M; b9 r' Y; P# p7 i' q) e - http.end();
* B& |7 v, } D! l& u) V1 B - return "";
- M6 L/ G$ ^6 o* j% O - }
+ z l A, W+ j4 S5 | - }
: I) M: s9 O: U9 O! B+ ~. U - void mainAction() {5 n$ M$ {% V) `9 P
- // 发送请求1 w! K' _' d2 a9 K. u* M5 S7 Y _- F
- doGet("http://google.cn");8 t4 z& k" m3 m6 H M) c c
- }
2 f& [- N: ?" G; `! z- [: ?& T" r
复制代码 |
评分
-
查看全部评分
|