|
|
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)" i6 M9 j% e9 x9 {3 T
- #include <ESP8266HTTPClient.h>
8 k2 |6 S. k0 T. L! W I& h - #include <ESP8266WiFi.h>
3 Z: [4 U7 p2 P - #include <ESP8266WiFiMulti.h>3 f5 l! K8 o0 b u
- #include <ESP8266WebServer.h>* u p% S! Y" M8 c. f) L, r
- #include <arduino.h>
$ V5 }6 p+ C: c+ y" h - ESP8266WiFiMulti WiFiMulti;9 k5 k" B& n/ I2 k) o
- ESP8266WebServer server(80);
8 @( @" s F6 X7 ], N2 o - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";; o) a5 }1 ?5 o! ~$ Q" y
- ADC_MODE(ADC_VCC);- H. h8 P% a: X$ U V
- void setup() {8 C; p; J& ?; T0 b/ s" U! m7 }' |
- Serial.begin(115200);
1 l' L7 b) w/ C - Serial.print("\r\n\n");
- w% S) |1 C! x% c# y - pinMode(2,OUTPUT);
% Z; o) c5 {1 V0 @1 O- _! _6 c# Z - // WIFI
! w1 i* Y8 O. D3 n4 X* _& K7 b - WiFi.mode(WIFI_STA);1 A* X0 M# j# G# q
- WiFi.hostname("Sparkle");2 c# Z. l: a% V- ]
- WiFiMulti.addAP("wifi ssid", "wifi password");
: z3 w! ~, H3 [2 t - int tryNum = 15;( U2 |( {# Z1 s" L" H8 b
- Serial.print("Connect WiFi");% u! C1 F8 W4 z- H) [. H
- while (WiFiMulti.run() != WL_CONNECTED) {9 k/ k' O6 G: P
- digitalWrite(2,0);& A* D0 S6 I1 T7 a
- delay(200);& Q+ @+ O$ R0 G8 Y
- digitalWrite(2,1);# }% H2 P/ N( Y% v" T& j* H8 H
- delay(300);% x- o7 V7 S! V. I- s1 V+ o
- Serial.print(".");* E% T$ x+ m. M' h% s
- tryNum--;- }# u3 m, r+ c; k
- if (tryNum == 0) {
$ @5 S; F% Z4 K$ |/ Y; ` - // 1min
1 r; Y, v. m+ D) M7 l! p- p - // ESP.deepSleep(60e6);
0 L( D3 B# G& c( H! }% _8 T - ESP.deepSleep(0);$ N A; Y7 a3 L0 G7 r6 {( W
- }% z3 _" T% h9 ~
- }
) y! |9 j Y5 T0 m7 Y, N N! \! g0 @ - Serial.print("\r\n");# e4 O0 N! V* z
- digitalWrite(2,1);0 V8 R7 t2 N/ z- t! j5 m( U
- Serial.print("IP address : ");- P" r8 ^ k" A
- Serial.println(WiFi.localIP());
- E; h* a4 o9 k" _& K - server.on("/", HTTP_GET, [](){8 W: B7 c" i5 [1 i2 G
- server.sendHeader("Connection", "close");+ E: R* ?' a2 O6 T
- server.send(200, "text/html", serverIndex);
' w" g p# p: a8 m! H0 @' r; C - });% [6 w* E7 K3 @2 e1 k
- server.on("/update", HTTP_POST, [](){
" ^9 `7 Q$ T) L Y1 ^1 ?% v - server.sendHeader("Connection", "close");
+ n5 u/ X% _5 M R! s8 t7 Z! W - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");* m2 E. @5 c8 m; I8 T# B( Q2 }$ ^
- ESP.restart();) g) ], y& w& j, ^. ?" k
- },[](){% c/ S3 T8 r9 t" Q
- HTTPUpload& upload = server.upload();
% i+ F# P( h. ~# ?* |, n& N& U - if(upload.status == UPLOAD_FILE_START){5 E& O5 }3 {1 H( k7 ~8 p
- Serial.setDebugOutput(true);
5 u* r: e: s8 Z - Serial.printf("Update: %s\n", upload.filename.c_str()); [0 ?: y- e5 Q1 H6 S
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
/ G: N6 h( S1 j2 Y0 W - if(!Update.begin(maxSketchSpace)){
/ x# _+ z, ?$ c. m" G - Update.printError(Serial);3 _8 ^+ W' B% o$ M- w; m
- }& ^3 a0 M: @# x$ B+ b
- } else if(upload.status == UPLOAD_FILE_WRITE){# W7 t% x4 Z& Y+ i' k. P5 Y9 r
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
) g( i2 r z- E0 |8 F - Update.printError(Serial); }2 M% N/ s6 v3 s' r2 {/ V
- }
) f( i+ |# U9 d, q* l! d: F+ R - } else if(upload.status == UPLOAD_FILE_END){
1 z9 K4 l; X; V0 p - if(Update.end(true)){
+ l& d0 _% D( U3 H - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);. w6 j0 {$ P: W2 Q0 p) D1 \
- } else {
# n2 F- h0 f m: D - Update.printError(Serial);* ?0 X' L9 L% b& i' R! D Q4 |+ ]& [
- }
: L& Z" h7 c6 D' T; `8 M/ u2 D. s - Serial.setDebugOutput(false);
! M x+ B7 H) y9 V/ |, g - }+ H4 g9 T' \6 n$ W9 r3 p3 S, f6 S- O
- yield();$ V: R% \: R5 O- E' @2 C
- });! Z6 l+ R) o+ L/ a: G N1 y& h
-
% u* Z% M1 M+ U! y - digitalWrite(2,0);
# }0 Q7 e0 I1 k2 R: ~ - mainAction();
# ^4 Y/ ]' R" e - if (digitalRead(0)){6 p# `" u: r% e& T. n
- ESP.deepSleep(0);" n; K# D! Z2 `3 a1 ^; d, u$ Q
- } else {$ y; C) k! w6 Q0 b6 n' i
- server.begin();
& I1 A. M0 R+ Q/ s) C - }
! P3 b0 D9 o* }, k# \! F4 s7 t - }" Y* p1 ^' j; |3 U3 u" l
- void loop() {7 J3 v7 D. T' x6 z2 _+ {
- server.handleClient();' ~- r6 Y, d% u# C9 N, a0 T
- delay(1);
3 K. @0 I1 f1 a* k - }6 |3 L, t$ u4 I' e
- String doGet(String url){ Y' a7 B& J( ^% F M: l
- if ((WiFiMulti.run() == WL_CONNECTED)) {- o. K0 \3 x% [% B
- HTTPClient http;
# Y0 B7 X9 ?# Y. s4 l4 Z- w/ K - Serial.println("[HTTP] begin...");
, h. Y& @+ A3 I# q - if (url.startsWith("https")) {
; v. ]5 e/ J4 }, l# K, h4 m, e - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
! c7 A* l: F, R8 z$ K4 e5 x - } else {
! j6 B/ k& Z0 Z; `, |" x - http.begin(url);1 m3 o/ M) {. M; d: B2 o# {4 x
- }
- w" G5 Q0 b' ^& }) y - Serial.println("[HTTP] GET...");: m( q1 C+ F+ f3 O
- int httpCode = http.GET();
/ o3 p* o0 M& ]5 T5 h4 B - if (httpCode > 0) {
6 C2 K- W8 P+ `0 T+ ^( m - Serial.printf("[HTTP] code: %d\n", httpCode);
& n) L' y4 |- p& t( b9 @% W5 L2 s - if (httpCode == HTTP_CODE_OK) {2 S/ `% z3 W3 G% s6 e. T! F% f
- String payload = http.getString();! q/ B2 e. P3 q
- Serial.println(payload);
4 g V: r$ a8 n/ J - Serial.print("\r\n");5 x0 B E3 H; s- m
- return payload;
' w3 W2 r4 Y% {2 s - }# _+ D9 m+ s( Q
- } else {4 q; G# W* [, d4 }
- Serial.printf("[HTTP] GET... failed, error: %s\n",, _; c) W$ X$ D8 s( D
- http.errorToString(httpCode).c_str());8 B- l+ v% ^7 t
- }
4 K+ Q, X. @! e: d - http.end();
4 e6 b& W8 t* Y$ L2 ~) m - return "";
8 c2 }+ { B- q0 a4 q% w - }
0 l: k7 Q* X; h- J4 m9 m - }0 Q0 o! b0 E% L3 [ X1 I% g; Z
- void mainAction() {* l) F8 W+ r& [# y
- // 发送请求
/ G: t. g) O: g0 N1 X0 `2 K. o - doGet("http://google.cn");2 Q5 K* W1 m- f. F+ n# \
- }6 E# j Y( Y7 Y s V( e
复制代码 |
评分
-
查看全部评分
|