|
|
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)! {% O+ p1 x! u# x& T( z# ^: |' h
- #include <ESP8266HTTPClient.h>8 T7 X# A# w- q7 a7 }
- #include <ESP8266WiFi.h>
* N7 N ~, L5 o# P1 \: T - #include <ESP8266WiFiMulti.h>% D# }- `7 V6 o3 u
- #include <ESP8266WebServer.h>
( P7 M+ k- X" z9 S( C6 Z/ o& ] - #include <arduino.h>/ B# R3 A1 a( b2 l1 H; w" H
- ESP8266WiFiMulti WiFiMulti;: Z: l" Y0 d+ C# P8 F* t2 h
- ESP8266WebServer server(80);- ?/ ^4 [; J( k6 X9 ?: x6 o! I
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";3 _, O7 {; v" @2 j8 s
- ADC_MODE(ADC_VCC);& F' d( V* b' O$ g1 r, }
- void setup() {( l/ ` n* z7 ~- _
- Serial.begin(115200); t2 J7 c9 s/ q
- Serial.print("\r\n\n");. L4 Q3 V2 ^9 x; N/ Y* o, x
- pinMode(2,OUTPUT);
" H! C3 a+ Z g+ W3 ` - // WIFI
8 o$ H* J% x" ~! e - WiFi.mode(WIFI_STA);
( w/ Z# ?" ~& v. V; O9 D - WiFi.hostname("Sparkle");- Q+ O& L; E* F- p, B1 X5 l
- WiFiMulti.addAP("wifi ssid", "wifi password");8 ^( p6 t) v9 I
- int tryNum = 15;3 z3 H& w0 y: J1 D9 N
- Serial.print("Connect WiFi");
( _/ I; f& [, Z) w6 t - while (WiFiMulti.run() != WL_CONNECTED) {
+ Y+ e8 ]8 m1 ^ B a - digitalWrite(2,0);5 l+ _1 O- i1 D. |
- delay(200);
. b- z1 u- y5 E, L - digitalWrite(2,1);" [, A; F" E3 {; @. E8 U, O
- delay(300);
" L4 ^1 J6 s0 u4 Y! ~ - Serial.print(".");
2 I% K# @6 o ~) [/ W. Y" c - tryNum--;* D8 K+ z9 w7 {/ c% Q
- if (tryNum == 0) {
, a' {- C) g7 n7 |: `0 Y: O - // 1min4 x% J$ w% @! s" Z$ p+ H% c2 o% P
- // ESP.deepSleep(60e6);
% B8 s# C* t' s* K4 E: { - ESP.deepSleep(0);
: J; U: [* ?4 a3 l - }
' X: C" `! F: `6 O( D! R) @% A - }
$ }" `: c/ f& v( T: j" D9 g3 @1 J - Serial.print("\r\n");1 W- O6 |, o% F, ?5 U4 |8 _
- digitalWrite(2,1);
7 [. a# [0 r/ h1 w - Serial.print("IP address : ");* o# w+ S0 s4 ~. P6 z
- Serial.println(WiFi.localIP());5 A: J z* }$ t$ s5 {; Q
- server.on("/", HTTP_GET, [](){( j$ e) q6 H, Q) ^' m5 ~
- server.sendHeader("Connection", "close");
+ c- f" V: ?) o0 G# o* j - server.send(200, "text/html", serverIndex);
2 G8 Y+ z+ M' @. z - });! I% X8 I* L: b4 G3 e6 j3 H
- server.on("/update", HTTP_POST, [](){
& r3 I2 {3 |5 @- w - server.sendHeader("Connection", "close");+ d& z7 v* W+ u- T1 y
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
8 C; U, ?# ]) H2 d" [ - ESP.restart();
+ e; s3 }$ {" | - },[](){" J" h. C M# g) B- p: X' t N
- HTTPUpload& upload = server.upload();
( r9 w. V4 t, C) S& ]: d: M( q - if(upload.status == UPLOAD_FILE_START){- H; N2 m5 u2 @ d9 H7 x
- Serial.setDebugOutput(true);: i0 n7 [* y7 }4 P8 o5 v3 N
- Serial.printf("Update: %s\n", upload.filename.c_str());) T- P: s$ v: w+ ]/ j2 K/ o
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
' x/ E0 S+ y' v% E: h: i6 b - if(!Update.begin(maxSketchSpace)){
$ G2 o2 u3 F& ^1 P7 D: o - Update.printError(Serial);
1 v; E4 p, ]7 d( C/ B - }0 g( ?9 H6 `/ x) f) Z& S( r
- } else if(upload.status == UPLOAD_FILE_WRITE){
0 O8 k, }1 }' V! T - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){% a& F2 h- J, d v# M
- Update.printError(Serial);0 k3 g6 E. p* M% J
- }5 f' P# A5 Z- l7 G0 ?, v Y% W
- } else if(upload.status == UPLOAD_FILE_END){
/ D/ E7 ^) f2 x - if(Update.end(true)){% H, I# X# o. ]. Z% n5 v
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);3 w+ k- `/ Z0 s# S; }
- } else {
( ?. o" y2 @" X, n1 Q1 G - Update.printError(Serial);
, K$ O, H1 w$ e5 o) {1 v1 ?# e - }
# g( i6 R8 J& _ - Serial.setDebugOutput(false);4 o. j9 f g5 ?/ v
- }3 S+ e1 U! R0 l7 ^! F' E# K
- yield();
6 b' v! b. ^5 U% q - });/ q; p! U% w5 q1 I( k# p! g
- 7 W+ i% I8 j& R) G' V4 W
- digitalWrite(2,0);
1 J( Z0 t, n/ M; d. X( K - mainAction();
! R3 O8 x$ U n: {! N" y - if (digitalRead(0)){
, _0 A, D- i5 m G- l5 j. b - ESP.deepSleep(0);
; ?, f1 w& I6 ?/ ]; e - } else {
3 A9 \3 k& d8 ?" J" D ?$ Y+ @ - server.begin();
; j1 t6 m1 H7 e - }
4 @! Z b: C! \& r& p - }
; [/ R# i2 c8 S+ A& f. W, M - void loop() {- j% u- |4 q! d- n
- server.handleClient();
% x/ R3 z* U* N* }& U. t2 t! ^ - delay(1);
- G4 r5 Q- W' v6 E% |9 ] - }6 r4 V: X8 k5 p0 ^ I$ D. E, O9 S
- String doGet(String url){
& J! r, c4 x: E% D5 k - if ((WiFiMulti.run() == WL_CONNECTED)) {
$ ^/ n# V# X2 U* S - HTTPClient http;* C+ ^$ Q! ~1 W* ?6 c
- Serial.println("[HTTP] begin...");
4 J" ] l( ~0 o# l6 J - if (url.startsWith("https")) {4 s! N; A% I [1 |- |) ~! v
- http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");/ m5 x0 Z- M& B- o% i
- } else {1 Y1 C: p5 j4 u% G0 f
- http.begin(url);
6 Y: U4 E$ Z n" I0 s - }- Y9 J6 L3 J8 k" k" ^; ]
- Serial.println("[HTTP] GET...");5 y6 M- A- O: @$ S+ f- S! h
- int httpCode = http.GET();
0 |: P# w6 Q! P2 Q - if (httpCode > 0) {
% Z% ?1 d+ [1 y. q5 v - Serial.printf("[HTTP] code: %d\n", httpCode);
% V9 L' x5 r$ V8 P, ^$ j! N - if (httpCode == HTTP_CODE_OK) {9 b3 _5 |7 l0 T A' A0 r, c
- String payload = http.getString();
& [( F+ j$ V B/ Y0 D - Serial.println(payload);% h7 m) _( P! S. d4 b! s1 |* u
- Serial.print("\r\n");
: c8 a, `6 ?4 s! `1 s+ y( ~ - return payload;
q; n7 Y5 w% R - }
q/ z5 @: |( Y& O$ x - } else {
1 a- ]- ~; ]4 r9 ^$ s, S - Serial.printf("[HTTP] GET... failed, error: %s\n",
8 X" `3 h% ~/ M - http.errorToString(httpCode).c_str());9 h) U+ t( |$ j( f, s. i @ w
- }' F# j3 c* z6 f. W" }
- http.end();% K1 c& O0 P* |/ s
- return "";/ P; x- j: g: D8 d1 ]1 h
- }: ?% v* k, d' ~4 v @- D
- }
2 L& _4 f0 q- t5 q. \* ` - void mainAction() {/ d; u" i9 w) `* _& |! U
- // 发送请求' }3 l' X; q* c
- doGet("http://google.cn");; }9 [8 G! @* i' f" _( ~1 V6 C
- }2 m, E' m2 {: n6 ~+ c* i6 d
复制代码 |
评分
-
查看全部评分
|