|
|
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)
8 F# O$ J# t- o% c9 v- #include <ESP8266HTTPClient.h>
* `* y- c" v8 v1 c; Q! r# }9 G6 D - #include <ESP8266WiFi.h>
2 Z: O6 v3 a* O - #include <ESP8266WiFiMulti.h>, d2 d9 ~9 E6 i2 E: B0 g( N
- #include <ESP8266WebServer.h>
- B3 g: L+ y- ^' y - #include <arduino.h>
' M. Z7 U# X i0 s- K% [ - ESP8266WiFiMulti WiFiMulti;
/ `: X. l6 `8 O: ~" p, j - ESP8266WebServer server(80);
0 A5 k, g/ r: e4 a& R L/ ` - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
) K- J9 p! \+ n4 R: f - ADC_MODE(ADC_VCC);/ A o6 d5 W" K) P+ c1 Y4 Y% s
- void setup() {
# h9 y' o6 V9 [0 h( x. ? - Serial.begin(115200);
3 C/ y2 W. {# q; v( e - Serial.print("\r\n\n");
' m, V8 c$ T" d% L5 X0 P0 a/ F% w - pinMode(2,OUTPUT);
( Y0 R/ d& t; A2 K. S' |8 L - // WIFI N( j; M7 S! a& C2 Y/ w
- WiFi.mode(WIFI_STA);
! e0 b: z2 O' ]3 v1 s* Y" H - WiFi.hostname("Sparkle");! M3 X& N) I1 G1 t# V: {+ [
- WiFiMulti.addAP("wifi ssid", "wifi password");
; G: g/ D% o2 y* H0 y7 W$ m( W0 J - int tryNum = 15;- e( o7 l3 V7 M3 k
- Serial.print("Connect WiFi");
x5 J8 ?. X7 H% L' P( p: A+ A - while (WiFiMulti.run() != WL_CONNECTED) {2 M& N2 k' B3 O, w
- digitalWrite(2,0);
3 k3 Y1 ]" i$ y9 ?4 P: H' h0 n* A2 V - delay(200);
0 Z8 b0 J" d! R; z- ~' k - digitalWrite(2,1);
* Z1 B* r+ B; ~) y" W% W& k - delay(300);
) b& k( o* T# {' ?1 v - Serial.print(".");3 F: x( E) H2 d" G- m1 v
- tryNum--;% U1 k0 g+ S6 r- D6 g! d1 j+ A
- if (tryNum == 0) {2 n d, \# u4 j8 n, o
- // 1min
+ E. J k# ]+ a# X/ V - // ESP.deepSleep(60e6);
: G ` I8 C% m3 s4 M' K' ^ - ESP.deepSleep(0);% s/ |6 Q4 h* V' M" x1 T4 a
- }
7 E. F3 D9 l+ o; k1 t! Y* F - }8 ]! ?3 J; o( g/ r9 J' l
- Serial.print("\r\n");3 p1 n* O6 l& N7 d1 i2 R- A1 q
- digitalWrite(2,1);
# k7 V, P4 T7 y5 j$ v$ E - Serial.print("IP address : ");
8 l$ S6 T0 C' g9 I - Serial.println(WiFi.localIP());
8 H+ W5 B1 B- Z% E - server.on("/", HTTP_GET, [](){7 J- t; w; T8 Q. a2 ~5 D1 q4 v
- server.sendHeader("Connection", "close");
& W7 }9 y. z/ Q X5 {$ } - server.send(200, "text/html", serverIndex);/ ~, g4 ?: f) n( i/ U
- });4 K( e( A- y2 ^: h* ^
- server.on("/update", HTTP_POST, [](){% W1 f$ N( k! j* c2 s4 {6 m; {
- server.sendHeader("Connection", "close");: G$ z/ O" ~' }; K# _4 i
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");; {2 |% q$ e) ~: u/ f/ I* d- G
- ESP.restart();
7 R' n: b! m. F - },[](){7 i0 r8 ?9 v- N& ^( x* }- u# a
- HTTPUpload& upload = server.upload();: D2 s; f9 C- j0 F- P
- if(upload.status == UPLOAD_FILE_START){' x p! `5 X! V, k4 N
- Serial.setDebugOutput(true);
% w- f5 D, r& [3 {! v1 ], A! n- w4 i - Serial.printf("Update: %s\n", upload.filename.c_str());
3 m, T* r- F. A: R- j9 S% u% @ - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
7 W- e8 ~7 W( `% c8 T6 r - if(!Update.begin(maxSketchSpace)){
3 c: c. R2 I7 O3 S2 i! x, q* D - Update.printError(Serial);, ?" n }" s0 ~
- }
( y- N5 l6 |5 z) ]) c - } else if(upload.status == UPLOAD_FILE_WRITE){
& f, W0 Y% Z. ^1 _ - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){6 T' p V. b8 C$ v
- Update.printError(Serial);3 N/ W8 G& u0 A5 I. K8 L: o1 o
- }
9 K) z4 x! t" l* o6 s - } else if(upload.status == UPLOAD_FILE_END){! Z( N, Q1 c8 M6 ^ b
- if(Update.end(true)){6 P4 G t6 |- o! G( b7 V& O1 J
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
% o4 Z1 [/ P' p! E - } else {( t4 j" H# L8 Z% d t& k
- Update.printError(Serial);
- c9 d& i. W! h& T) ? - }% Y) B) s; ~: Y4 C& i
- Serial.setDebugOutput(false);4 P) o- T l; @: s: N
- }% {: u7 c) R7 [1 K1 {9 [; E2 \
- yield();% ]" |4 M5 R, `
- });! ]) j y" M) W; C
-
# g* R& E9 {. { - digitalWrite(2,0);; q9 C- Q1 W7 z7 S( |2 s R! N! z
- mainAction();
! ]) z, |% j, A, r: t - if (digitalRead(0)){$ v9 G' h4 I6 U% m3 O2 h
- ESP.deepSleep(0);
: f& { b1 f1 i - } else {' e l7 P, l+ L# l: G
- server.begin();- ^0 m# d- U8 _1 R6 r# j
- }0 s5 n+ @5 C% O3 [' [5 N+ U1 P3 q, l
- }6 N$ S! X8 H* D% d+ D8 z% d n
- void loop() {
, c: E9 s, h$ G" B - server.handleClient();
. _8 }4 q2 i+ b! D' n/ e - delay(1);
8 D+ q) V: E# S0 B/ ?# @ - }
+ B- Z- T1 Q5 M% j - String doGet(String url){0 m l6 X3 V" t5 Y: N3 y
- if ((WiFiMulti.run() == WL_CONNECTED)) {
K5 E/ R5 G: Z1 c$ `1 {' J) F' D - HTTPClient http;
G8 G" C" e& c/ B - Serial.println("[HTTP] begin...");1 Z/ C# N+ G9 [
- if (url.startsWith("https")) {
. ` T3 h- @. e$ G0 A2 d - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
1 M$ O! D" L! A* \4 l - } else {
" D1 ^3 m; @& H! C, } - http.begin(url);
4 ]# D- c/ i+ Y! ^5 ^9 v, K# r - }
% Z4 z5 L8 B6 t2 Y; h% g* l) s z9 N - Serial.println("[HTTP] GET...");2 g# c: l8 R3 I7 E0 D3 l0 X
- int httpCode = http.GET();
- a* E% E) I6 ? V - if (httpCode > 0) {- h4 v$ i* ]* w% i
- Serial.printf("[HTTP] code: %d\n", httpCode);4 Z5 M: ?8 i z* t+ n
- if (httpCode == HTTP_CODE_OK) {5 [; D3 Y, H$ E* Z7 K6 \7 x' `
- String payload = http.getString();5 t$ h# M6 W( R7 Z2 ?1 X8 a
- Serial.println(payload);3 G/ s6 D. u4 d" K
- Serial.print("\r\n");! l/ j2 z% k5 w
- return payload;# s) B. T! G& v: V6 X
- }
# F, ]# `0 Y! A/ H. d3 I - } else {
2 W3 j, P6 \, H$ Q$ I6 y - Serial.printf("[HTTP] GET... failed, error: %s\n",
/ U i2 M: X: ^1 n - http.errorToString(httpCode).c_str());" U( {' u$ ^% U& j% Z0 F
- }
6 q$ Y0 Z8 F- {/ I# O2 @ - http.end();, z6 D1 g5 S d; i' [0 x1 v- j" I, w
- return "";
9 R% z/ Q( Z1 H7 o8 H3 i6 V) T - }1 z' f1 L9 `, D3 [; e9 _5 ^0 @- F
- }
+ o) w; x! F" N d' [ ~ - void mainAction() {
% `4 z- ?" L9 q% H8 q- u1 N* d6 e - // 发送请求
0 ?7 F2 h1 [$ N3 t) B - doGet("http://google.cn");
& x0 K: W, p$ a% }6 x9 ]$ c - }
8 S3 f. Q; @9 j1 H& H' [1 K$ S
复制代码 |
评分
-
查看全部评分
|