|
|
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)
$ L2 j! i1 W7 N1 ~/ R' _- #include <ESP8266HTTPClient.h>
/ Z+ l7 Q# I @- ]" Y: r+ D9 ` - #include <ESP8266WiFi.h>7 d- t0 o7 Z' `9 X0 n) i
- #include <ESP8266WiFiMulti.h>
+ b3 k e2 f' ?8 c1 k0 _ - #include <ESP8266WebServer.h>
& K5 S& k& ]+ i - #include <arduino.h>" N, u4 G9 \! |7 ?7 e% e; o
- ESP8266WiFiMulti WiFiMulti;0 V$ L, F/ B# P. x: a+ {, @
- ESP8266WebServer server(80);
! E, x: Y4 {" s+ i - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
& Q5 N; E4 G" @' m9 d! V" P - ADC_MODE(ADC_VCC);( s* W% b! ?3 c% D3 ?( J4 M
- void setup() {/ i1 {" x: }# A
- Serial.begin(115200);0 s5 n5 U& c7 U; v
- Serial.print("\r\n\n");
, K, c d% o9 C7 P) }+ U: E- C9 R - pinMode(2,OUTPUT); {6 Y x) o4 O4 m
- // WIFI
8 d }) W, k- ^+ ~, r - WiFi.mode(WIFI_STA);
6 O0 h/ u0 H5 {' G- K) }/ ? - WiFi.hostname("Sparkle");
, ~ S% g- m: R/ p( Y" w1 z5 J - WiFiMulti.addAP("wifi ssid", "wifi password");7 k. z. B% x, \- Z
- int tryNum = 15;
1 g9 R2 H( I) p" v9 t8 @. P3 w - Serial.print("Connect WiFi");
0 B/ ~% V8 [3 S! T& ` - while (WiFiMulti.run() != WL_CONNECTED) {
/ m I- Q; A" b! D( G - digitalWrite(2,0);
# o$ U( D1 v8 o t& \) G- H2 a - delay(200);' r! \. M J V" n4 c! H7 Y# L
- digitalWrite(2,1);3 `! D6 j/ {) j" {! T e9 ? u4 ?
- delay(300);0 B% w5 A, j* ?- ^
- Serial.print(".");# S! M/ d) W6 `7 J" q( d$ x
- tryNum--;( A3 e5 ?3 f* X: [' v1 F0 t
- if (tryNum == 0) {! D. | y5 j1 [
- // 1min9 Z5 {6 s" p- G' s5 E- u$ u# `$ @
- // ESP.deepSleep(60e6);* }1 ^# r! c$ \6 W; M
- ESP.deepSleep(0);
7 W/ p/ k: c# u6 K - }7 w! V. @7 A1 J1 V: ]
- }
/ S8 ]; k# _ h' h - Serial.print("\r\n");
2 r# u9 ?6 h+ X5 @1 ~! F' w. p - digitalWrite(2,1);' O: t2 Y' y" p+ \
- Serial.print("IP address : ");3 X9 [/ R5 ?! j0 U$ V$ K- H
- Serial.println(WiFi.localIP());
+ K% _8 Z6 t, d0 u4 f' c - server.on("/", HTTP_GET, [](){
+ K" ^4 i$ e' {( x7 A) | - server.sendHeader("Connection", "close");
& S. O% x2 n9 ` - server.send(200, "text/html", serverIndex);7 t: Z/ p3 R: b. N6 D
- });
7 q4 E. b* K6 \* P; E0 c3 h2 w, m - server.on("/update", HTTP_POST, [](){
9 _* ~) U' @( A4 [7 n - server.sendHeader("Connection", "close");$ [' X+ J6 A% E
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
( z$ A' Q# a* }4 [2 W1 v - ESP.restart();( G0 i6 l8 n7 i! s. j3 G8 W
- },[](){
6 A1 ]9 g" I4 V' y0 ~* B- F - HTTPUpload& upload = server.upload();
5 Y- r- O9 K/ |! b: V% v& e - if(upload.status == UPLOAD_FILE_START){1 @( c) _5 n6 F1 c
- Serial.setDebugOutput(true);
! E0 ?+ S/ R+ H - Serial.printf("Update: %s\n", upload.filename.c_str());+ k8 C! t6 {( F* l$ c' t# ^4 B7 n5 p
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;- l! t1 T" }! B9 R
- if(!Update.begin(maxSketchSpace)){4 z$ W. j4 Q2 z& H+ f/ [7 h
- Update.printError(Serial);
, Z4 _3 z$ @+ e; \) F - }
) d* u- S5 V) u% a3 k: H& V - } else if(upload.status == UPLOAD_FILE_WRITE){
7 I% P1 z! T! @ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
7 Z9 G$ U) t" `# Y" S: l# k - Update.printError(Serial);2 S2 [) K; i# p! l8 a+ V
- }3 H- z$ b! W# w# T
- } else if(upload.status == UPLOAD_FILE_END){
C0 T$ Z: q0 a4 u) { - if(Update.end(true)){9 }7 s7 a- X& ?4 F1 B& A1 |
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);( w# a' ^' v9 t+ X: {7 Z- o0 v& v
- } else {, H; c% k8 l; A' c1 e5 R; [$ F
- Update.printError(Serial);6 B* O9 f( C: V0 q$ S
- }1 C+ P, ^* I; u
- Serial.setDebugOutput(false);
: x; g/ o3 i4 g$ X - }' C6 v- d+ D$ ?+ \ q1 V
- yield(); \/ s0 N0 S8 k* p2 |/ n
- });
% ~+ v& ~& E P5 j' ]1 H( B - ; h% g+ z1 B" h# ?, m/ h6 Z. M
- digitalWrite(2,0);7 A' w) K3 r/ g; _+ R! ^3 d
- mainAction();
( f- N0 Q7 N( k+ x% t- w - if (digitalRead(0)){
4 G& k. }! D% M8 r* m2 `4 v - ESP.deepSleep(0);) ]- h4 U$ E2 T
- } else {
' l- W7 A5 F% X/ H) d0 { - server.begin();' V1 J" [) L3 ]. E" n; K, R
- }# P/ o5 K7 e" T! H. B5 ^
- }0 A8 p+ @! i8 ^% B
- void loop() {* l/ S4 Q+ q7 D
- server.handleClient();
; \0 q' O8 `: M. z2 B' k, I - delay(1); ~9 @) f- H! Q
- }
! M, F# Q* m# H& P - String doGet(String url){
* D8 x, M# \1 p - if ((WiFiMulti.run() == WL_CONNECTED)) {
2 d2 v2 p4 Q" [+ v. E' V" k - HTTPClient http;
1 Y# _* ~- K/ B - Serial.println("[HTTP] begin...");
) B8 e( o! [8 r5 P g" u5 S* k - if (url.startsWith("https")) {1 p$ ], k8 p' k
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
4 \4 L, k: f# X; k* D+ U& c - } else {
7 a: W0 y F: ^) \4 r - http.begin(url);
8 F3 [: r% R2 l6 k6 { - }# _" L/ h3 v5 e
- Serial.println("[HTTP] GET...");
( E) d9 L/ H: O - int httpCode = http.GET(); X" C* E6 @; d! b" a$ x& b
- if (httpCode > 0) {5 T g9 D- j$ b2 g( j
- Serial.printf("[HTTP] code: %d\n", httpCode);; X2 {9 X' k3 A6 ~3 r
- if (httpCode == HTTP_CODE_OK) {9 ]5 b/ p' B% |
- String payload = http.getString();4 f( T% p- X; e7 |1 a7 u2 L1 s/ H
- Serial.println(payload);
: U3 r8 W2 Z" Z @ - Serial.print("\r\n");1 H. }2 G" C9 }$ _6 F3 Y( A
- return payload;
}0 w1 y2 R* a: o - }+ i: U% R) q3 i3 I/ O2 h
- } else {
8 c) x) T* p3 f0 D( f - Serial.printf("[HTTP] GET... failed, error: %s\n",) {9 M7 [" A- C7 `
- http.errorToString(httpCode).c_str());; E" [7 k, |% P/ z9 }" r( C
- }
0 F+ E' F, J3 h) |5 l2 B, ^ - http.end();* s X: }6 f3 K. c& ~# J
- return ""; s K" g/ a8 P( p7 O
- }8 g$ F [" f9 a; k% k. H. B
- }
+ M& t8 h& R3 A9 x - void mainAction() {: ]% o# M/ ^8 j, J2 ^* g- s4 m* e/ V
- // 发送请求9 t$ Q A. @, r, B( C" L
- doGet("http://google.cn");
) h/ x1 k& `. i e2 D& x: h8 d' u - }, ^: v" Y3 r6 ]$ ?- S9 j
复制代码 |
评分
-
查看全部评分
|