|
|
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)* y% W! o- c% D: r+ M+ S
- #include <ESP8266HTTPClient.h>
$ Z' `0 m6 F. v m' W$ L - #include <ESP8266WiFi.h>
& G/ j! }3 A6 a# p7 f' }& d \ - #include <ESP8266WiFiMulti.h>" G$ _. f0 t: X6 d+ s
- #include <ESP8266WebServer.h>
5 [3 f; |' J/ s( e2 x) y, D) C - #include <arduino.h>
: S1 Y) B2 j2 B% V' n" t4 g" T. ^ - ESP8266WiFiMulti WiFiMulti;
! q$ N9 b3 V0 n/ i( a2 l# W5 L - ESP8266WebServer server(80);
3 M& f/ k2 X1 T Q$ c+ G5 f! l3 ~ - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";/ @1 l1 d* u# L7 p, {+ S& d, V& e- a
- ADC_MODE(ADC_VCC);& K4 Z, Z9 G3 [9 z( n" b4 k
- void setup() {
0 W& O. T& B5 v D - Serial.begin(115200);
. m* Y) j+ ]- s7 P# C1 Y - Serial.print("\r\n\n");* C3 x/ Z# h+ X& U2 o
- pinMode(2,OUTPUT);" Z. h% T0 C; a+ u7 Y7 D+ O) g
- // WIFI
1 h; [4 |- b! L* N5 P0 t$ f - WiFi.mode(WIFI_STA);7 ~2 _( D! }; J2 E" |' }
- WiFi.hostname("Sparkle");6 S- |3 C6 h' Y1 i
- WiFiMulti.addAP("wifi ssid", "wifi password"); `; U) r9 U' X* F5 r/ n
- int tryNum = 15;
- K" N4 l6 g& A! O - Serial.print("Connect WiFi");
1 _$ p$ ]. o( A& ?9 G9 q - while (WiFiMulti.run() != WL_CONNECTED) {; X6 x6 D- q/ s0 }$ B5 c
- digitalWrite(2,0);5 g7 k6 f' X& o$ Y: O3 J
- delay(200);5 g- }2 Q$ J6 I2 v) U
- digitalWrite(2,1);
6 G! ? Q+ L! q0 E% [ - delay(300);# X' l3 B9 T) p, x* [- P3 J
- Serial.print("."); C* }8 v. k* h$ ^8 F
- tryNum--;6 ^$ u }* ~/ } J) m2 R
- if (tryNum == 0) {
! e( q! o, L, S$ j- r! T0 g6 | - // 1min
( t3 j9 F6 n) V. n - // ESP.deepSleep(60e6);0 T; ]/ G3 g1 r6 v8 ?( M9 N* M
- ESP.deepSleep(0);+ ~6 B5 _3 c' e8 q% l/ s
- }
0 v1 q9 O8 ]; T9 f - }: }) n1 e1 O) M: h5 S" E' ?3 G4 g
- Serial.print("\r\n");
4 T: A$ B9 T* V' [: L# k" N# V - digitalWrite(2,1);
9 ~, O$ R% T* `5 ^ - Serial.print("IP address : ");6 g. G+ J4 g9 U9 v
- Serial.println(WiFi.localIP());4 g, n, X; w6 f- J$ Q8 G
- server.on("/", HTTP_GET, [](){
* ^( j+ U! I. e# x& r4 t. i* S: j - server.sendHeader("Connection", "close");. j# c8 D" P3 v$ ~- i" ]
- server.send(200, "text/html", serverIndex);% C/ b4 q7 E, ]
- });
' l# `4 o! _! W) Y7 ?7 Y - server.on("/update", HTTP_POST, [](){
; p; C/ d8 l3 q& p7 e) H - server.sendHeader("Connection", "close");
$ o7 T, ?; p' C9 o. j$ A u - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");4 Y9 T" Z4 I! z% B; @6 D3 I) ^
- ESP.restart(); {# e, z, t$ t9 I' N& d
- },[](){: G' l# P" f% O0 j+ ]
- HTTPUpload& upload = server.upload();0 Y: f A' r ]$ g0 j
- if(upload.status == UPLOAD_FILE_START){
/ d* I) C x" T9 J8 X' h4 ` - Serial.setDebugOutput(true);6 j; ^) c2 a- I) w
- Serial.printf("Update: %s\n", upload.filename.c_str());
5 f; Q2 k/ p4 k4 V7 x I - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;" D2 J4 k% q" N$ _
- if(!Update.begin(maxSketchSpace)){: F8 o+ q4 t4 C
- Update.printError(Serial);
1 C6 u, @& q; d9 [' n5 x K - }5 n+ ~& R; Y' b$ u% B
- } else if(upload.status == UPLOAD_FILE_WRITE){: g% G" m: |9 H& K! D/ U
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){' j$ N4 n2 Y/ ^2 v$ V
- Update.printError(Serial);
0 }, _1 n9 c0 w, t0 e( A - }+ O8 ~: M! v% q( W- J
- } else if(upload.status == UPLOAD_FILE_END){
$ P9 t( t; n7 x; g- S - if(Update.end(true)){
' g, g2 y* L. O1 K! c% f - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
# z( F- Y6 s6 { - } else {9 E8 c7 i; g" y* H( G4 S% R
- Update.printError(Serial);
/ k/ `7 F- @% P9 f4 l* o - }
+ o ^% @ F h. K - Serial.setDebugOutput(false);+ d" s" B- \/ T/ v+ F- r7 b6 I
- }( I3 r1 ~- ]! l& t0 N. P
- yield();" D7 U h1 {3 G7 _1 j+ F+ q( P
- });
& e; A: P) {3 ] -
1 x- e* A t; y* K - digitalWrite(2,0);
, a3 m; e+ @$ [% D - mainAction();
* k$ F5 `7 G7 Z: e) T4 T - if (digitalRead(0)){
4 D Q1 i% u2 ?3 s# y - ESP.deepSleep(0);
, H5 l2 h! n, s4 u! L2 {0 Z$ N- \ - } else {
# k# X6 w/ O, ^% f) k* R% c* ? - server.begin();
: k0 T! s3 X/ Q# P& O - }
/ _0 j. f7 l6 @8 h - }
& U$ b/ O+ @" i2 G% x6 U - void loop() {- w1 k: Q" M/ s6 B0 q
- server.handleClient();7 H* I6 B1 V, b. J0 g
- delay(1);
) g& j% O: V% h* e. Q' U9 l) d7 ~ - }
: E" l' k9 a f+ w; D0 _ - String doGet(String url){
" X; F A( }8 [* S5 Y" i" M - if ((WiFiMulti.run() == WL_CONNECTED)) {
2 s! m6 s) Y( B$ U4 v7 m8 K - HTTPClient http;
m+ Y2 q- h" g* t' W - Serial.println("[HTTP] begin...");
( j |; |) K/ g G& w- i1 G - if (url.startsWith("https")) {, z1 Z$ R$ ~$ A3 v
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
0 A0 |$ h0 B2 K' A! H" f; Q( A/ w - } else {* n% \* U( H: ?) w! D
- http.begin(url);: E; i+ ]: d: s7 G
- } u$ L$ c# w u: j1 ]5 f; e2 Q
- Serial.println("[HTTP] GET...");
1 [, R7 z" n' p4 r5 n - int httpCode = http.GET();
& a0 y1 Q( E' m6 A8 {/ K& a - if (httpCode > 0) {
_6 X9 }7 K0 N. V - Serial.printf("[HTTP] code: %d\n", httpCode);
; r. B9 b" m: v1 S, {- f - if (httpCode == HTTP_CODE_OK) {
3 t K6 f6 [ I y- o ^5 s - String payload = http.getString();! H$ }$ @& }# ?" v) x3 O
- Serial.println(payload);
2 |# ]4 |1 R x - Serial.print("\r\n");/ H0 v9 y! a& w; H. o
- return payload;
- p3 _1 x6 H3 W. T3 L - }
, l) Z1 @9 y7 |- U - } else {
* s( u! w5 E7 v7 q8 o4 {& ]" A - Serial.printf("[HTTP] GET... failed, error: %s\n",
9 o9 f" Z m7 ~: s- L1 B4 a% k4 r - http.errorToString(httpCode).c_str());' K9 U, ~; d9 G& x2 Y( |" \
- }
3 j& k, O& a5 t4 E/ p; D - http.end();
- h6 x2 K0 O L3 j - return "";1 ~2 v. g N$ ^# b+ e( i
- }
4 L. R8 [ a( G - }4 U) B/ K) P6 H# n
- void mainAction() {' ]5 U0 Q& ^# l9 v6 S
- // 发送请求
& s1 f5 G/ o' k - doGet("http://google.cn");
/ [: l+ b2 z$ {% n% ? - }
) ?2 E- L1 P$ `3 y1 r
复制代码 |
评分
-
查看全部评分
|