|
|
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)! h, k! ~# [1 P6 n& M4 `* B
- #include <ESP8266HTTPClient.h>
0 u) t- x" U) ]. M - #include <ESP8266WiFi.h>8 j! L3 |! E! }
- #include <ESP8266WiFiMulti.h>
+ A5 T/ d8 ]2 V/ }! I$ n - #include <ESP8266WebServer.h>4 j o o, |2 J
- #include <arduino.h>
6 J5 H5 V! ?0 J( D - ESP8266WiFiMulti WiFiMulti;
- t9 T# B/ o, E- O- w - ESP8266WebServer server(80);4 {! U1 @2 `+ i9 u- p
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
7 M+ t" X. B/ w& v! N' E0 I5 G - ADC_MODE(ADC_VCC);
4 Y% @' C3 V/ u3 y3 o3 O - void setup() {; q3 [5 [3 q6 _$ W
- Serial.begin(115200);
! y! v* d& l6 g - Serial.print("\r\n\n");
% S6 ]. q9 D/ v1 `( d: N - pinMode(2,OUTPUT);
# Z+ S+ k- W* G/ x4 m- Q - // WIFI
% h! l6 u/ y. T* @/ k - WiFi.mode(WIFI_STA);
$ {6 n( \9 I3 o! g" u; P - WiFi.hostname("Sparkle");
: u1 z# b0 }, A* q& C6 V# g - WiFiMulti.addAP("wifi ssid", "wifi password");& A; Z6 T9 J+ X( a
- int tryNum = 15;# Z9 v4 u* x# ~' L
- Serial.print("Connect WiFi");
& s* O- M9 s6 A b6 b U1 D4 R+ i' s - while (WiFiMulti.run() != WL_CONNECTED) {
0 ~9 z; ^4 G$ N - digitalWrite(2,0);
" f6 C' m0 ~# Q. u" D4 O - delay(200);
& l. Q ^* }2 I6 v1 _3 Z- G - digitalWrite(2,1);
: A; \7 \; a7 k7 B9 D; O - delay(300);
9 n( Y) o( U$ v- M: B5 ]+ A - Serial.print(".");" f; y8 h* [% t c
- tryNum--;
# w- a# L0 `, p9 m7 F- R0 | - if (tryNum == 0) {
3 p" t* i) t2 x9 C* V( A3 c - // 1min2 E. H2 B% s) a
- // ESP.deepSleep(60e6);
$ }# ^/ b2 ]' u/ j; w, g0 ` - ESP.deepSleep(0);
& x% }# b. t0 p4 |5 \/ m+ U - }
$ w! A7 n+ m, ` l - }
* J0 q- Q1 P6 }1 X! `, ?: B - Serial.print("\r\n");
8 \: ^* t) Q( F - digitalWrite(2,1);, ^$ ]$ @; D6 T( H+ F- q% l& d
- Serial.print("IP address : ");
6 a' E/ q1 ^- _7 Q0 [7 I - Serial.println(WiFi.localIP());
$ l2 d/ f9 u K; k0 C& E" a - server.on("/", HTTP_GET, [](){% M; u4 t H& t. B
- server.sendHeader("Connection", "close");* O" n* ~! e) ~2 J4 e
- server.send(200, "text/html", serverIndex);0 U# J5 ~9 A7 B, d) ~
- });
O$ C7 h! X3 n+ l3 l$ o - server.on("/update", HTTP_POST, [](){. Q, y* h6 o1 D4 s; J4 n+ m
- server.sendHeader("Connection", "close");
0 K, ]1 m. B& \ - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");0 Z, s2 m6 O# g; A
- ESP.restart();
* a, a/ D3 c' R* e3 O1 ` - },[](){
1 W# B9 K: W4 B: X w - HTTPUpload& upload = server.upload();, W! g3 h9 x! e( y- Z6 H2 o
- if(upload.status == UPLOAD_FILE_START){
* t3 [& x2 I- x# [0 C4 B - Serial.setDebugOutput(true);( M' v- e3 h. E1 M8 m6 w7 r; I
- Serial.printf("Update: %s\n", upload.filename.c_str());
7 H$ Q% w* i& J9 Q) n - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
& O# y6 d Z, ] }: W: g - if(!Update.begin(maxSketchSpace)){) B0 n- S& |& b/ |! L) ~3 R
- Update.printError(Serial); |; C0 A" `4 D$ J1 n9 U
- }
. B& s1 p) G( d* u; D9 N - } else if(upload.status == UPLOAD_FILE_WRITE){) m \% H, Y* m
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
/ ?8 W1 `5 O" E b' l0 } - Update.printError(Serial);3 W# f5 j9 ^: Y
- }
' O* o. x# M, h/ i) ~, X8 M - } else if(upload.status == UPLOAD_FILE_END){
8 C. E+ g. }* Z. N; b: d% s: R c - if(Update.end(true)){( I; m% A0 o% U
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
0 a8 e9 n& k% A2 S - } else {
) v0 z- I: y' R0 b* _% T6 m9 l - Update.printError(Serial);& N' Z: [! ]0 o5 B* t7 B3 t9 U7 V
- }5 S2 Q4 F+ |. l! m6 ?
- Serial.setDebugOutput(false);
7 A' I1 l p7 y+ t* w - }
6 V+ b. |: k& k! f! i" h4 r - yield();
$ P. A" d, w& f* L$ H+ e: J - });9 v8 w( v' D7 \0 e$ [, r
-
4 P+ J2 E" ~" @( T - digitalWrite(2,0);
8 V" r- r. n8 d - mainAction();
; f7 ~" u! O. z - if (digitalRead(0)){+ G5 Z# {7 D4 J. r: ]# l& x: K3 L
- ESP.deepSleep(0);/ s) e4 i4 `; F
- } else {( u3 _3 {* B3 v. P
- server.begin();
1 W4 _* s: g9 ?' a {- q1 H - }
8 r% t1 z5 _) P a2 l& x - }
$ A( y! ?( n) @# ?: `* Q$ | - void loop() {2 g0 `7 I. c0 e, A% k+ A
- server.handleClient();4 J" P* i1 n% z& Y( O
- delay(1);5 s# i7 P3 y9 R$ f; Z1 n# t6 q( c5 X
- }% }" J% a" d- z- }5 j4 H. e2 H
- String doGet(String url){, ]3 |1 c+ ]1 `/ V
- if ((WiFiMulti.run() == WL_CONNECTED)) {+ E8 m) ~0 a% ]% C
- HTTPClient http;
5 [- d: L' O! I% Q, x1 Y - Serial.println("[HTTP] begin...");1 \& J4 }4 f: L8 K7 z* V
- if (url.startsWith("https")) {6 T0 R' W. \: |4 b$ P2 B7 e
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
0 P9 N6 E4 B( D/ P5 H+ C - } else {
9 u1 N( [; Y( S1 c - http.begin(url);
" \- _3 Q7 h. ]. V3 J) b - }
+ i& r4 y: {" F - Serial.println("[HTTP] GET...");
# l7 ?1 t+ t. j - int httpCode = http.GET();5 p+ v4 Y8 y+ S3 U+ q$ m& C
- if (httpCode > 0) {
3 c1 {# J- C* C8 b, M - Serial.printf("[HTTP] code: %d\n", httpCode);
2 A/ Y! g/ U' B) Y# L - if (httpCode == HTTP_CODE_OK) {
* W2 A8 \0 S% i. o, n - String payload = http.getString();7 q% M. B9 [1 i# i
- Serial.println(payload);0 t ?4 D i) L+ e |! s5 e
- Serial.print("\r\n");$ u5 _8 [3 H6 b" X$ Q8 F' k+ u
- return payload;
( ~) y6 ~5 B, r* I2 n - }
6 Q2 h% ~: ?; g$ c - } else {
* B D6 t; Q& Z0 g7 f - Serial.printf("[HTTP] GET... failed, error: %s\n",6 O; t9 m: m) J2 p
- http.errorToString(httpCode).c_str());1 l5 ~1 s( S: O% ?! T
- }
; H! y7 P2 y6 ^4 {% a- u& e - http.end();) a A0 N7 v0 C! f9 n' \+ Q9 q
- return "";' K% U% r3 T! ?& o
- }1 t$ A8 B7 N% L1 g
- }
$ \1 Z' u r8 t3 { N2 \1 v% \ - void mainAction() {
5 x: v4 q8 L8 p, E - // 发送请求4 L6 I. w5 u8 I q. z; j! } T
- doGet("http://google.cn");
% Z; t( n/ ?. X1 a$ k3 `; q+ R% U - }
0 O4 h* G" x- N7 X) |3 b
复制代码 |
评分
-
查看全部评分
|