|
|
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)
4 l- o, s2 g w4 J- Y- #include <ESP8266HTTPClient.h>3 z3 ~: W/ D t
- #include <ESP8266WiFi.h>. \2 Q7 z" k. C9 P
- #include <ESP8266WiFiMulti.h>
" n- E$ N+ }7 d H4 \. \ - #include <ESP8266WebServer.h>
4 g) v+ |7 N7 k5 p3 n# Z: d - #include <arduino.h>
, I+ f! U- \" ]2 Z9 C* F* i - ESP8266WiFiMulti WiFiMulti;
& s3 {: {: H8 k' y6 V/ _ G - ESP8266WebServer server(80);7 R a2 l* e/ Y* y2 ]( X) n
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";: L9 T" D6 d2 b8 z
- ADC_MODE(ADC_VCC);; A" N+ T! l! U5 s$ j
- void setup() {
: ?9 M }; A) z. z2 h - Serial.begin(115200);9 P; }- F* t1 F
- Serial.print("\r\n\n");
0 k" Z6 u' _$ N0 o! `/ ~ - pinMode(2,OUTPUT);
1 p& i; R! U) k: o8 C - // WIFI
: V: ~; Y+ s7 Y - WiFi.mode(WIFI_STA);+ U* d: C" `, C. w* |1 G+ N
- WiFi.hostname("Sparkle");
" m2 y h9 @: N1 Z# L% K4 b - WiFiMulti.addAP("wifi ssid", "wifi password");
% M/ c3 N6 G/ y- S - int tryNum = 15;8 U7 O# V# ^" [9 d' I
- Serial.print("Connect WiFi");
/ i& @1 T7 T' t, C3 u* V. E+ R - while (WiFiMulti.run() != WL_CONNECTED) {( S9 ^( ~$ ?6 y8 E1 ^
- digitalWrite(2,0);# y, W$ c, A% u- ~& ]$ E O
- delay(200);; e P: `/ G5 ]% {0 B
- digitalWrite(2,1);* ?: z( t4 ]+ b
- delay(300);' Z+ n7 [! p6 d; Q5 `: r
- Serial.print(".");
+ s7 W9 T( J& Y - tryNum--;
+ u* N3 P% _8 \8 X/ ?0 M0 Y& W - if (tryNum == 0) {
+ D9 D4 K2 x# M- n - // 1min. p- G% P7 b: x
- // ESP.deepSleep(60e6);
7 I* Q4 C( N! M; E5 q- [. { - ESP.deepSleep(0);2 e8 ` K: U6 t0 F6 @
- }) g( h3 }& Y8 }: {9 K
- }
3 y3 _) Q H1 Q - Serial.print("\r\n");( Y1 E! O4 Y! S: U# y, ?0 F, x
- digitalWrite(2,1);
8 D) R) {/ X7 q% ?% E8 t. E - Serial.print("IP address : ");
4 {2 Q, C, T0 R& S: w4 v, W - Serial.println(WiFi.localIP());' u) J) m/ E# j* D: T. }0 Z
- server.on("/", HTTP_GET, [](){) C& [9 ?6 p+ ~4 [. \1 V) D
- server.sendHeader("Connection", "close");5 X6 t3 u8 p7 `0 w. N( i5 P3 H
- server.send(200, "text/html", serverIndex);& u2 d" N* O# m7 d
- });) M. Y* c, ~1 [* ^
- server.on("/update", HTTP_POST, [](){: T g W" @; G' y4 |
- server.sendHeader("Connection", "close");
- R( ]* U+ s( C; i) M% @6 u7 R - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
9 R7 R/ F4 l- g - ESP.restart();. _% _5 a7 w' [3 C
- },[](){
2 D8 n1 C( p7 G! n) {# a# Y - HTTPUpload& upload = server.upload();1 h2 O) A9 X4 ~* m; d% t$ { w6 f
- if(upload.status == UPLOAD_FILE_START){% p$ G7 m$ o" u0 q p
- Serial.setDebugOutput(true);
# C- x- b- y! Q- O a9 D - Serial.printf("Update: %s\n", upload.filename.c_str());. T; q; P# n# j
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
1 o$ Q m7 E5 Y; Y) H5 t - if(!Update.begin(maxSketchSpace)){
2 R6 v, V( P( ~$ u - Update.printError(Serial);
2 W9 k2 E* x8 A3 U* g( x) Z E - }
/ T2 X8 n6 L% L( s; q, q - } else if(upload.status == UPLOAD_FILE_WRITE){
* L, _0 J, T% n4 J1 V6 o( F - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" \# B+ c6 `& Y5 C - Update.printError(Serial);
$ t$ I: @+ H% k4 O$ Q - }0 X: s! @4 H# o
- } else if(upload.status == UPLOAD_FILE_END){
% Q7 A; B5 t+ }0 B+ J - if(Update.end(true)){" E) Z% o$ l2 }! p) [! {' f% Z
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);8 N4 k* R: [$ o8 Y8 e: Q
- } else {
9 g( i* B9 k$ z. ?) t. ]' l - Update.printError(Serial);
. a% e, w, e& E - }+ q- U) s# m" s; ?1 x; U# x
- Serial.setDebugOutput(false);# P( B- g" y8 T! A% s, B' A P8 P
- }
8 {* \# F( ]1 S1 j6 U, w+ m - yield();( S+ l9 ` [3 R% Q# @- k
- });
" w- M R; g) h - ' M* U/ x' _7 Y) Z
- digitalWrite(2,0);7 M3 j% Q: Y3 q# Y
- mainAction();
! Y: H0 i n* y3 Z( S+ e - if (digitalRead(0)){0 h% G+ X! o3 Y2 p5 Y
- ESP.deepSleep(0);4 J! H. S" P/ [- O1 u
- } else {
5 \" M0 E2 z/ E& s4 ] - server.begin();
: l: U$ T' `7 d- {5 U - }
8 N! F' u/ a: P0 G* J - }
0 b5 m1 g. i L- U1 ~7 u - void loop() {
) r4 X) ]; O' q& I - server.handleClient();
# ] r( e2 E3 n( _4 H/ {8 ^- g - delay(1);
" z0 i3 e5 P4 h( w/ y - }& A, i0 {6 X; c" g/ b
- String doGet(String url){8 k9 S7 w: A( Z+ I" ~
- if ((WiFiMulti.run() == WL_CONNECTED)) {
0 h7 A1 d6 l5 R1 ~ - HTTPClient http;5 }* i: N: f a8 x3 ~7 y) I
- Serial.println("[HTTP] begin...");7 T' x0 l% d5 Y7 R/ f1 z% l, i
- if (url.startsWith("https")) {
: H2 F/ D& `0 b, ~9 l, m - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
- Y0 C! i5 J' d6 U - } else {: B# f5 W! _, G! I8 v. m, w
- http.begin(url);! d2 e0 C3 e: P L- y
- }6 n' f+ {8 j: e+ V/ ~* D
- Serial.println("[HTTP] GET...");
" e8 n8 }3 S5 f - int httpCode = http.GET();* S. U- k( \+ D8 I/ ~& c
- if (httpCode > 0) {
- |# K6 z3 i P2 i3 L, c! {2 h - Serial.printf("[HTTP] code: %d\n", httpCode);
: r1 z) Y+ y/ O3 k; h - if (httpCode == HTTP_CODE_OK) {
3 z j9 E& u x: F2 G) |0 J+ { - String payload = http.getString();. D. S) u8 z ]3 ? y
- Serial.println(payload);7 y+ ?' o$ U4 d
- Serial.print("\r\n");% R! ?* ?1 @1 |9 J u2 M6 @9 l# v
- return payload;9 A6 T* ]9 F7 V8 N
- }! q: e! ]! @/ w
- } else {9 T3 D! a( R% f; ?& \5 a. _$ N
- Serial.printf("[HTTP] GET... failed, error: %s\n",
: }' w$ u# u: b5 Y - http.errorToString(httpCode).c_str());
5 b1 ?; E5 i" N2 @5 d& H7 X& n' _" q6 m - }" M& C& x) P' |" k, S
- http.end();
' ^! a2 o7 Y+ F, B- Y - return "";
. N2 J1 a/ M2 b8 L* t - }
* @! B, ~) Q2 m - }) u! g8 B) L- B% e
- void mainAction() {
: `" n0 H( {/ a2 [ - // 发送请求3 T. o# ]# z" m6 b! j' u/ S: r
- doGet("http://google.cn");
% w5 `" u+ x# j8 w8 J" l L' E' r - }# c) g1 u+ ^8 y
复制代码 |
评分
-
查看全部评分
|