|
|
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)
; C/ ?8 N4 f( }2 a- #include <ESP8266HTTPClient.h>
g* k; @& {9 `. l! c: ~ - #include <ESP8266WiFi.h>7 M4 T5 L7 t% Y7 b. r! E, f
- #include <ESP8266WiFiMulti.h>0 V# `$ ?& Z, K# I
- #include <ESP8266WebServer.h>
+ u- J: D6 N7 p3 R3 A - #include <arduino.h> e: e' s% Z, f0 P4 X0 l
- ESP8266WiFiMulti WiFiMulti;
( t: c ] w% u& @- ~ - ESP8266WebServer server(80);
8 c% m* p, `- q/ d - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";- x; K; i+ Z& r( F
- ADC_MODE(ADC_VCC);5 p9 G4 r4 p( x, _+ @( w4 E
- void setup() {
9 [- V* R! y7 @+ `/ z9 ^3 S - Serial.begin(115200);
: o$ m- o: K: Q# l' S - Serial.print("\r\n\n");
' G$ B& B+ ~: [: r% P. ?9 G; U - pinMode(2,OUTPUT);
; N3 _) _" F; L0 f6 g# X8 t - // WIFI
) m" e# l; t+ D6 ?& ?0 T - WiFi.mode(WIFI_STA);5 j; H/ A, e9 m8 l3 i# h+ ?7 L" B( h
- WiFi.hostname("Sparkle");
0 f; N9 F7 ^, x: v( ` - WiFiMulti.addAP("wifi ssid", "wifi password");! a" d- ]( T. t$ I7 p$ f; E, h' E
- int tryNum = 15;
3 e- }+ @2 y5 `( g& D/ O* t g - Serial.print("Connect WiFi");
+ M; P7 E z0 `1 C4 z - while (WiFiMulti.run() != WL_CONNECTED) {, R8 ]; @6 k" c: U
- digitalWrite(2,0);
K, j0 I) ^( ]* C9 _ - delay(200);1 f' c ^; m. H H
- digitalWrite(2,1);
5 b' P; ]& H4 h5 R' Y9 H - delay(300);; I7 _3 n- @+ {) V
- Serial.print(".");4 N+ _4 J4 Y) f* ^) j7 N) c% L$ i
- tryNum--;
; D: r6 x: U9 a3 E u0 r - if (tryNum == 0) {
3 `6 a4 F1 U( r- {$ R/ R0 Z* O - // 1min, I3 s, Y# K9 ^# W8 T* Y% N
- // ESP.deepSleep(60e6);) t; z7 b6 d5 \1 w
- ESP.deepSleep(0);! ?* m, J, V2 H
- }7 n$ C' y3 k) M8 V9 r
- }2 X% M. e W$ }! W4 g2 |
- Serial.print("\r\n");
- y; E8 l; q% J6 q8 W - digitalWrite(2,1);8 Y. I# l! {9 U
- Serial.print("IP address : ");
3 J% ]$ ]4 U! _, J5 i' Q g5 [3 T% X - Serial.println(WiFi.localIP());* g5 r; X, z7 g7 F( G J1 d9 p! V
- server.on("/", HTTP_GET, [](){% b2 R8 U( d& t8 B9 `8 a
- server.sendHeader("Connection", "close");
5 R7 c$ w z; ^. M2 l$ \ - server.send(200, "text/html", serverIndex);6 F% v) b2 W+ A J
- });" \2 O. s' ?0 f. U0 O/ A4 j% @2 y. z
- server.on("/update", HTTP_POST, [](){% E% u; c3 @7 n- A2 K l3 ?$ Z, S1 b
- server.sendHeader("Connection", "close");! W# L1 J! w6 x6 M
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
9 {9 q* E5 ^9 {/ b" R8 P, M - ESP.restart();
& ]! V5 ^& C T& Y6 d7 g - },[](){6 @3 \3 {4 N2 a% I: Z+ y1 j
- HTTPUpload& upload = server.upload();
. M- i# ~. b H c) `# Y/ y$ b) W - if(upload.status == UPLOAD_FILE_START){
7 H. |4 q, w+ ?2 n7 ` - Serial.setDebugOutput(true);
8 j( ~4 a9 Q/ e2 ^ - Serial.printf("Update: %s\n", upload.filename.c_str());
. r2 b) T7 Q- g5 ]( G - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;) ^% I+ O+ S+ ?" A4 V* C X( l
- if(!Update.begin(maxSketchSpace)){
* ]* a4 z/ [ v$ | - Update.printError(Serial);
v; R' y( s4 C' P8 t - }: P5 C) F! p" u6 u6 D9 z0 H7 d
- } else if(upload.status == UPLOAD_FILE_WRITE){
. A8 x, V6 D# l& S& {2 k - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
6 g) C/ }7 Y- P& Z/ t - Update.printError(Serial);9 Z7 {3 o: M$ p: U0 ?6 z3 R" Q+ T; x
- } _" H w H7 b5 ~9 X8 `+ [( a* f+ s
- } else if(upload.status == UPLOAD_FILE_END){2 r& _) j) t% E. n" @( t
- if(Update.end(true)){7 ], J Q7 `8 I/ H3 d
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
8 ^& _( F* {1 b8 j- L! P - } else {1 n1 k2 u* c5 o- H, y8 s3 g3 U
- Update.printError(Serial);
J5 g1 e+ b. m1 @ - }
6 j; T K% Z$ I \" Y' e F - Serial.setDebugOutput(false);/ ]3 ^; m- X& J% Q' }( P: N; c) T
- }4 H- c$ ^1 x* c5 {
- yield();
$ M K1 ~; c* G1 e- B - });6 x; G" M$ u" w# F8 ]) |; D
-
% N# h1 u1 ?) k, a* t7 U& a5 n2 e - digitalWrite(2,0);
+ ^' [; t( ?/ I; B1 Q - mainAction();
9 R4 \3 A4 m( H* v - if (digitalRead(0)){0 k# G. @$ @& d8 {6 z' e5 G/ {: W
- ESP.deepSleep(0);6 ^% m4 Z9 a. G7 K3 g' t& ?/ K: C
- } else {* m! a f3 L. ~: ` P M; i
- server.begin();3 e" K% u# E) z" w d L7 H( V% |
- }
& w3 a; ]4 X/ D: h- E: y4 I - }
5 Q9 s& h& p! J [ - void loop() {
+ F- f$ e0 k; D - server.handleClient();8 N4 F& [ a. p* \: h- c
- delay(1);5 f( h; x6 k2 G4 r) V
- }% z$ S/ L q E$ ]" H
- String doGet(String url){
; I4 x7 ^$ F& N. [3 ]5 W - if ((WiFiMulti.run() == WL_CONNECTED)) {
+ }; \9 q% H( @/ U - HTTPClient http;
% B$ C. T; F, K/ Y3 L+ M: P6 L- [ - Serial.println("[HTTP] begin...");/ D, ^6 X h# ^$ c4 R' K
- if (url.startsWith("https")) {
6 ~/ t3 g: M: O* ?1 W, ^ - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
' m& j8 U2 U% C" F2 J( B, h/ M - } else {& X5 w1 O# P# a1 j8 i) b
- http.begin(url);
# q+ Q# E$ H; F5 B$ ~' G - }, u& Y `0 H; k3 j$ ^0 t6 {2 V% }
- Serial.println("[HTTP] GET...");/ p; z( ^" L0 v& j( b0 F& H
- int httpCode = http.GET();
+ O& n! {) l! T, t+ W - if (httpCode > 0) {% s2 w4 t1 I* R3 f
- Serial.printf("[HTTP] code: %d\n", httpCode);
9 D* L8 ~/ k1 r* ? - if (httpCode == HTTP_CODE_OK) {
. `5 h9 _+ V U* i4 a - String payload = http.getString();
! _+ q) M! S+ r, _& E/ P - Serial.println(payload);
/ J3 F. ?$ @- Q, t$ Z: f4 P - Serial.print("\r\n"); @& a* j" B' @( |& ` L( N
- return payload;, d, g4 i8 Z( W; P: W# U: a5 S
- }9 E9 ~( n9 J) h2 V; w, b
- } else {( O! ~3 i3 c# F G4 P3 c( l
- Serial.printf("[HTTP] GET... failed, error: %s\n",
6 `- v+ q. `# ], o7 l' Y1 M, K# L. Z4 |9 _ - http.errorToString(httpCode).c_str());' Q3 Z' d( m' _% E9 B
- }
$ S% d4 u1 H% z% V - http.end();
2 l* }8 H8 C6 h8 H - return "";* k0 V0 ~3 y8 I
- }# m4 f" i+ l+ U7 Y+ m& M+ ^1 g
- }. @3 p( Y) K) @4 u8 D
- void mainAction() {
, Z* G. l; G9 ~4 D8 B( B: ?) l6 k - // 发送请求: z& T2 B5 j2 }
- doGet("http://google.cn");4 s ^: G; n# i# x6 J: M- ]: z, @% G
- }
( }1 |0 ^( ^+ W* ?, e7 u' c, C
复制代码 |
评分
-
查看全部评分
|