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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' ^# J6 ]$ u3 t# V
- #include <ESP8266HTTPClient.h>
- J( l3 O" A2 c. N2 W - #include <ESP8266WiFi.h>
# [2 O) Q# B; E, _$ y - #include <ESP8266WiFiMulti.h>/ ]+ O7 c" Z; X. y, `
- #include <ESP8266WebServer.h>
& T; U1 O3 a. R, X* b! j - #include <arduino.h>
! k V: b0 G, D+ F - ESP8266WiFiMulti WiFiMulti;
. v# I- W( m, |. R! x - ESP8266WebServer server(80);0 k& t% Z# T. j! k$ {, z2 V" d
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
$ K0 K* \3 Q7 E4 [/ l" S - ADC_MODE(ADC_VCC);9 w) |5 W0 g* e$ g% [- y! j; T
- void setup() {
' G9 w* F3 o/ r2 ~ - Serial.begin(115200);
7 v f1 ?- z2 ^/ G& C8 E) H/ \: r - Serial.print("\r\n\n");
6 u, D/ i# A9 v1 z - pinMode(2,OUTPUT);" D% l. G/ i% C" n: Y3 p
- // WIFI
! z3 I7 D9 x0 A! J7 E5 ?0 |: b - WiFi.mode(WIFI_STA);) N$ V5 u' F6 ]9 H/ k+ p$ O
- WiFi.hostname("Sparkle");
# P# `2 f( z% ` - WiFiMulti.addAP("wifi ssid", "wifi password");
3 |- o5 u( U* H4 N; r) T8 W( N# g0 N - int tryNum = 15;" v6 I5 y" W# b9 \8 m5 B1 q
- Serial.print("Connect WiFi");
# b( m& c. c! d. B+ F8 Z - while (WiFiMulti.run() != WL_CONNECTED) {! t0 i' G7 N& Q; J/ {7 b
- digitalWrite(2,0);
" y$ F4 P/ _5 m8 { @! s! U1 m; F - delay(200);3 l) L$ U/ M/ d' ^
- digitalWrite(2,1);
! M5 E, o% F; s6 I4 K: | - delay(300);2 G( L& p1 u5 h$ |& }
- Serial.print(".");
1 V6 K) c% b& G% g% S, r" N1 s - tryNum--;
( I9 ~' s+ q M1 ^0 g8 r - if (tryNum == 0) {; l( t0 p6 K3 R) I. B( z
- // 1min, f$ a( a6 Q2 T# n1 o$ X/ i( d: K
- // ESP.deepSleep(60e6);% j2 {1 ] q9 p% p" |4 _8 {
- ESP.deepSleep(0);
' l6 I2 P8 X( k* ?- P8 F4 U - }
! c9 y& n. j4 W" W9 S - }
C% L! I5 ?/ r1 u - Serial.print("\r\n");8 I/ y# h+ g) M- f, n7 b$ s9 {3 `* D
- digitalWrite(2,1);
) H+ r7 o! E" P) V, U! N& c# i - Serial.print("IP address : ");
7 V: Y6 a3 f+ F0 a; z - Serial.println(WiFi.localIP());- a/ D* R/ j6 D
- server.on("/", HTTP_GET, [](){% `' v, x5 \5 |2 G
- server.sendHeader("Connection", "close");1 h- T' j" o5 @$ X1 Z* f$ ?& y
- server.send(200, "text/html", serverIndex);8 q, n% O; o5 Z
- });
3 x- ~% {" c7 y9 @4 o5 A5 n - server.on("/update", HTTP_POST, [](){
3 R. o- B' b* q - server.sendHeader("Connection", "close");
" x, w! {5 i- e0 n" X0 y - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
4 r' w4 |, y l( @" I4 _! Q2 } - ESP.restart();
r( u9 O- N3 B7 n - },[](){; T# e$ O/ H; U6 C3 ~
- HTTPUpload& upload = server.upload();
" |2 p1 J7 W3 w4 y8 f# k4 H - if(upload.status == UPLOAD_FILE_START){
. E* D( T& Z& w2 ]% ^3 H' t! x7 S+ \ - Serial.setDebugOutput(true);
' [& l7 ^. `# w/ o5 W) {6 i - Serial.printf("Update: %s\n", upload.filename.c_str());
6 O4 _: a/ G- F- j5 F8 Q - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;; }$ v7 J# ]: c9 }
- if(!Update.begin(maxSketchSpace)){
7 K% h+ v6 l" s/ x2 @# u" v5 d - Update.printError(Serial);) o3 i3 t8 s h0 n+ q/ W& l
- }
3 n' Z% N6 S8 n, t: n% ^5 b! z0 M - } else if(upload.status == UPLOAD_FILE_WRITE){& C1 T/ P7 `: J M2 I1 s' O
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
! e3 ? q- [5 {4 L - Update.printError(Serial);
; n6 U3 {1 {! t% q4 I, J; R- ^* _ - }
- c& u7 U. I! e( |: j6 G V" b& h - } else if(upload.status == UPLOAD_FILE_END){
+ b8 Q; a6 @) H - if(Update.end(true)){
; ]( G, i: P! v& i - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);" T2 H5 z5 [! [) Q
- } else {
0 B S, H) ^% s) x t) y - Update.printError(Serial);) [0 }' j. W6 w3 C; Q6 i
- }
8 N% `3 ^8 e" i4 O% E, K - Serial.setDebugOutput(false);* @- R! A% A4 n9 p
- }& w2 m% j# q2 }; F
- yield();
8 H# f1 j6 p# D) ?! ` - });$ V6 b* `4 T) j" P. F1 T7 T
-
! V; D% v/ s Z. S: m - digitalWrite(2,0);
2 z7 O$ p: v, [( I- }' x1 a - mainAction();- H; |7 o5 W. z" Z/ r4 y
- if (digitalRead(0)){/ o+ [, p5 K" c0 j9 q9 Z, M
- ESP.deepSleep(0);
4 E6 ^$ D# F; y6 v1 c - } else {
: L/ g% Y- b0 s - server.begin();% F g, f0 G' P( A
- }
- @6 `. g) l4 `$ `7 F - }
& S/ k/ B# q- \( i - void loop() {
2 I7 [: v7 M) M - server.handleClient();, N! m1 ~4 g% P" ^- P; p
- delay(1);
6 `. b( V, `" Z8 |0 h. @, U+ K: n; n - }7 Q; b9 m0 T6 ^1 c' s4 a W& e
- String doGet(String url){4 H5 S+ y' ^* M+ s6 V
- if ((WiFiMulti.run() == WL_CONNECTED)) {+ R$ Q5 ?2 S5 B9 k& H
- HTTPClient http;
# C( i; k) N$ F8 J- i: [ - Serial.println("[HTTP] begin...");2 B( a# v3 e+ N: R+ {8 r
- if (url.startsWith("https")) {
& V7 a! d8 ~6 u8 O" `* F9 N% y) F% d - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
! m1 D( d' T6 o+ y% f4 O, R* M( ~5 m - } else {
4 I% A4 W. c8 r' f# B - http.begin(url);. d# F' g5 S; b2 c1 p
- }
, u6 z0 U6 w. Y! |+ S2 o - Serial.println("[HTTP] GET...");, I9 K0 D, ?0 @" n7 s
- int httpCode = http.GET();
/ ?* ^" \! s% ~: t - if (httpCode > 0) {
% ?: n- i5 @$ H% @3 G - Serial.printf("[HTTP] code: %d\n", httpCode);
; Y M2 S" |- o4 _% c' J - if (httpCode == HTTP_CODE_OK) {' |1 l1 m) f( u9 W7 L+ ~
- String payload = http.getString();, W0 p6 n& r5 g
- Serial.println(payload);
9 r' d k5 W' H& C - Serial.print("\r\n");* X/ F; y. ?, ?3 C# J) k
- return payload;
- K# f* ?: d' y1 L3 O0 j - }
) B6 H$ b6 Z" W+ ]' T; `! C - } else {
5 ] W# P8 m! }6 S$ i2 m - Serial.printf("[HTTP] GET... failed, error: %s\n",. f3 g; f% W, U$ m1 G
- http.errorToString(httpCode).c_str());1 D- o" G" s( f, Y- u2 |
- }
& ^8 K( t; }7 C8 w- H* @ - http.end();
5 J. O8 c; \4 I$ h! C - return "";: k4 |( ]- Z/ s* H* g# r
- }
! l/ i( S2 V9 t K - }3 k$ r- }- o9 ]2 h5 M& E* ]% U( I
- void mainAction() {
$ g3 D/ | d4 W$ N# j6 M - // 发送请求8 N8 V& a7 g5 y$ k& {6 D
- doGet("http://google.cn");5 f3 j: `6 y9 J& S) f/ y$ I
- }
4 \& W' m" p; [" p
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