|
|
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 [+ W4 L5 v) `, L- #include <ESP8266HTTPClient.h>
% T: q4 e9 \0 T/ j, Q( V0 T1 \ - #include <ESP8266WiFi.h>! h# \- j6 n V1 L$ Q3 a& D
- #include <ESP8266WiFiMulti.h>! T0 E1 r0 N0 B: f7 T
- #include <ESP8266WebServer.h>
% G S! \2 b4 s) v- M- }3 f/ z - #include <arduino.h>9 F0 O/ Q0 i& N% a& L& b
- ESP8266WiFiMulti WiFiMulti;
: b# I6 d$ u2 m; \% ^% q/ G; g ~ - ESP8266WebServer server(80);
; Y7 _$ W& a9 |4 T _" G - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";/ w2 p* I4 V3 j' ~
- ADC_MODE(ADC_VCC);$ i+ [1 y' o% ^$ _2 f) ^) V: S; i
- void setup() {
: U7 g, ^5 V' i U& j - Serial.begin(115200);
# S9 j- U5 l* S) C- x+ U" [% W( q. p - Serial.print("\r\n\n");9 k/ E8 j' K5 B9 j7 d
- pinMode(2,OUTPUT);, k, ^1 \- k; c: k4 w2 s
- // WIFI& X# ~1 c0 r8 P4 f8 D
- WiFi.mode(WIFI_STA);
. T2 O# A: E5 a# ? - WiFi.hostname("Sparkle");
: V5 A( P: m- ^' s/ I - WiFiMulti.addAP("wifi ssid", "wifi password");! R6 B- L# D A: s+ T- G2 J9 G) t- M
- int tryNum = 15;: z& J6 Z% r- @4 o
- Serial.print("Connect WiFi");
8 m- b; Y) P' n& j4 ]. p - while (WiFiMulti.run() != WL_CONNECTED) {
8 L$ \2 Z5 y/ o9 d/ [- c - digitalWrite(2,0);
, J( |0 {) l/ P9 d% i7 ]: D) ^* x - delay(200);- D0 X4 F4 d s! _$ C
- digitalWrite(2,1);- y4 k# l |! X' h/ w, V
- delay(300);
# z* V0 ?& A, T; } - Serial.print(".");3 g: n* S. H. V. U3 p
- tryNum--;
/ C/ J! J# @% E: M - if (tryNum == 0) {2 M, ]! ~" s$ S* \3 ^' c- E
- // 1min
& Q) {* h5 D$ t& } - // ESP.deepSleep(60e6);
# x3 d8 |+ {! F% g# J9 A) B - ESP.deepSleep(0);
* J2 r f0 N+ N: y - }! A& ~. u, j: k8 ~7 C
- }! @, X" J$ ^5 f- d1 W, L
- Serial.print("\r\n");
0 w) A1 s& D: i. j/ x - digitalWrite(2,1);
: R( f `- Y8 E0 V% M0 q - Serial.print("IP address : ");$ ^2 z( A4 N M/ Z! b
- Serial.println(WiFi.localIP());
" w% w! @3 I* U/ [ - server.on("/", HTTP_GET, [](){: g8 B% `) ^8 s' M. I* o6 v
- server.sendHeader("Connection", "close");
/ L4 g9 K# k+ C1 J9 R - server.send(200, "text/html", serverIndex);
2 e$ e/ g0 ~5 Q9 z! ^2 `" P7 X - });( Q8 a5 b# E4 X/ e+ C. k
- server.on("/update", HTTP_POST, [](){
' S6 r. c- M/ ?4 V. d. i - server.sendHeader("Connection", "close");
+ K4 J& y* E6 u - server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");* z7 Q3 b' K" N
- ESP.restart();
9 I9 ]7 @% C) a0 c - },[](){
* P; g" \* B6 \+ ]6 ?6 b6 t8 k - HTTPUpload& upload = server.upload();
0 ?; r$ c. g; Y2 w* j - if(upload.status == UPLOAD_FILE_START){
2 u" Z) S% e4 y) t - Serial.setDebugOutput(true);
. g5 Y+ h9 g) R- o; Z - Serial.printf("Update: %s\n", upload.filename.c_str());3 w- U a" ^" W
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
- X3 C( @ Q4 }% d( k& i - if(!Update.begin(maxSketchSpace)){5 S. t+ }5 `1 E- Q' q8 h
- Update.printError(Serial);
4 j( _) G% S6 h+ R& H" O/ i7 N - }) W( Q( o2 R8 d* |# @
- } else if(upload.status == UPLOAD_FILE_WRITE){
0 D( W6 ^* A6 l - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
" z1 V9 r9 M b5 o N - Update.printError(Serial);" ]2 [( {) V4 }) d9 Z
- }5 a7 g8 w8 l' p& g' n
- } else if(upload.status == UPLOAD_FILE_END){' ^$ }, _ Z2 N8 }3 Z/ H
- if(Update.end(true)){
% |2 F* a' o7 e/ E) V5 d - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
! E6 g; M7 ]0 H! H- u7 ^ - } else {5 p3 h l$ _" o4 P; v: g& O" b& B
- Update.printError(Serial);0 R& V7 G' _" V
- }$ u4 K; g( A1 O& I2 f, S6 n8 f
- Serial.setDebugOutput(false);( E# B* a( j% B, h+ ?
- }
3 Q6 j" J: P2 a; y; x0 ^7 i - yield();
8 { v" U, x! X - });
6 G% Q W2 T5 ^7 f% | - . X$ w `) C& y. R) V
- digitalWrite(2,0);6 f% e# w% j0 i/ k- S) T0 a+ \& a, g
- mainAction();
- O5 }2 @& Y8 M) k - if (digitalRead(0)){ f- S% g8 Z5 A4 w
- ESP.deepSleep(0);: l& {( [. J% f% n Q. x
- } else {5 t; l# X# d9 d, @
- server.begin();; p0 r8 I* @4 }$ Y t: p) B
- }5 N3 q7 t$ T; E+ k) m
- }
9 y. N) F+ G6 T; _9 r - void loop() {
, e& L# ^; R& K" f - server.handleClient();
, c/ q" m I% ]* \ q! k - delay(1);
9 f9 }3 L' V7 Z5 \0 V - }
% ]# x$ N. A/ B7 s0 D1 g4 g9 C - String doGet(String url){0 E8 \, o; S+ }' P3 K) p
- if ((WiFiMulti.run() == WL_CONNECTED)) {
- o: {. }5 d( [- q - HTTPClient http;# l+ m8 L( i2 D
- Serial.println("[HTTP] begin...");
( M7 ^! r5 b0 x5 J. X3 a - if (url.startsWith("https")) {
8 l& Q! c% y% x; a& x1 z - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
7 B. p, j' g9 {( l7 s4 Q& j: v - } else {" N0 p1 B: h; X) F: f" g+ l A
- http.begin(url);
9 {5 u7 w- W* N: O/ e# c - }9 F' z, E2 X: @
- Serial.println("[HTTP] GET...");
: u) a, V& j" T - int httpCode = http.GET();
4 g, O& s+ P Y4 X - if (httpCode > 0) {
' E2 B3 e$ t( D+ n - Serial.printf("[HTTP] code: %d\n", httpCode);9 O' }/ c1 n- Q6 W/ i2 X2 d3 v
- if (httpCode == HTTP_CODE_OK) {! J+ ^: k2 U8 }+ Y4 H, ^9 ~
- String payload = http.getString();
4 N8 a o1 y/ L$ c7 W$ @( R/ I - Serial.println(payload);
4 d4 _2 ]$ U0 O. x, f7 r: H - Serial.print("\r\n");
5 w& x! X9 a2 d+ q3 U3 T - return payload;* ?. ?6 G: j* g/ O' n8 g
- }
X4 m1 Y0 l r- `* { - } else {0 O: G& f1 f, R$ s; n- @
- Serial.printf("[HTTP] GET... failed, error: %s\n",( S9 l% U' ]& j+ w, q/ B6 l& f# S7 C
- http.errorToString(httpCode).c_str());
8 S" } w: T+ C8 z - }
) V7 g0 H+ Y. n/ K$ N! G! ^ - http.end();
1 P- q0 k- l6 z0 E- o7 V8 {- Y - return "";: Z+ z2 ^. _* R4 L
- }) [' n. `. T1 {9 a% }
- }
' T. t+ q/ r* I% p5 {2 m& j/ F/ b - void mainAction() {. m0 j+ k+ p+ ^& C# r n9 V
- // 发送请求2 K" \, L) {6 u" [1 {. ~& Y
- doGet("http://google.cn");; |5 r/ n/ y( m+ g2 w! Z! g
- }, e5 k, ^2 u& s6 b" d$ m
复制代码 |
评分
-
查看全部评分
|