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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)
5 r5 ^6 e8 D) @2 P1 I" f/ @' q* O% r- #include <ESP8266HTTPClient.h>, N- ]0 E7 |; M+ T1 W) Y
- #include <ESP8266WiFi.h>
( D6 U" ], _$ d5 F! C* G - #include <ESP8266WiFiMulti.h>
' i" {( ]8 _1 w- H - #include <ESP8266WebServer.h>
) v( t o* u) O( R" ?+ x$ H - #include <arduino.h>
) U0 |. m* c# b - ESP8266WiFiMulti WiFiMulti;+ k: z. j, s w: S, g5 w
- ESP8266WebServer server(80);: u2 e) `- ]: a( q
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
, h( P( Z5 L# P- p# O - ADC_MODE(ADC_VCC);: [; s' @/ L+ f+ ]% X3 L" Q6 M
- void setup() {8 P! U/ F& G4 \! V' M& ?8 ^
- Serial.begin(115200);9 \( M) `; k/ E) x% b; ?
- Serial.print("\r\n\n");8 a/ N9 U' \# x8 Z2 Z' ?' e# f7 h# e
- pinMode(2,OUTPUT);' L) h4 E$ b$ l: M; @; ?& ?
- // WIFI
7 f5 [7 k K& P6 l - WiFi.mode(WIFI_STA);
! s+ V: u! P/ c$ u - WiFi.hostname("Sparkle");
) |9 ?. |/ ~; n( `. F" t - WiFiMulti.addAP("wifi ssid", "wifi password");
( _1 R% B/ j e. S3 W; Q - int tryNum = 15;
1 l/ ]0 `2 @$ S. b( B( { - Serial.print("Connect WiFi");) Y1 k5 a; R) o7 T
- while (WiFiMulti.run() != WL_CONNECTED) {& Y! n/ v. Y! j% K" L/ i
- digitalWrite(2,0);
% b! G! v9 G+ Y% }# v - delay(200);
7 i, x9 R: ^5 q Y - digitalWrite(2,1);% O9 C9 K0 ~7 w! Z
- delay(300);% h! ^3 a. j4 ? t9 l* A3 _1 A
- Serial.print(".");
! U9 z, g% W6 T# |8 T( S - tryNum--;3 k1 b. W2 ^2 B& E. o2 ~- |
- if (tryNum == 0) {/ o {+ S) M- G F
- // 1min/ b1 G9 \" g4 W% p% a
- // ESP.deepSleep(60e6);
( @! J2 T5 ?0 ?& o" | ? - ESP.deepSleep(0);
- y0 f9 A7 G* D, P# n4 h! c - }
3 i: i$ `! I; w - }
% f' R2 N; v8 |2 x - Serial.print("\r\n");3 C6 L: N6 D5 m8 t4 T% k3 M; L4 Y5 u4 ~
- digitalWrite(2,1);
3 e! v; _2 i5 _) ?3 R. @ - Serial.print("IP address : ");
+ T0 X& @9 A% `- i4 P! j - Serial.println(WiFi.localIP());' }- y7 k) G( j( z2 o
- server.on("/", HTTP_GET, [](){
5 U! Z2 X# c" w - server.sendHeader("Connection", "close");" J Z6 J+ n2 [; h4 u
- server.send(200, "text/html", serverIndex);* |& _$ M# D; s8 o; _
- });
0 @9 Q. |! l z - server.on("/update", HTTP_POST, [](){$ J( `8 s# v6 O: S
- server.sendHeader("Connection", "close"); r! j4 D8 @$ X: L+ y& l. G
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
. f) |8 O( F2 w! y/ ?, ^4 F% ^ - ESP.restart();
9 J8 z2 Z8 i; m2 {2 x% b - },[](){9 V) ], _( _" V `
- HTTPUpload& upload = server.upload();5 {' B$ T/ S4 L1 t/ X
- if(upload.status == UPLOAD_FILE_START){
7 c" g7 q3 {3 b% X3 m! x; ^; i2 \- N4 ? - Serial.setDebugOutput(true);
$ t6 O& l1 w( O* L0 x0 l9 u# S, ~ - Serial.printf("Update: %s\n", upload.filename.c_str());3 j8 f7 b! M$ {7 B
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
4 v! s! K0 `( u# p+ c - if(!Update.begin(maxSketchSpace)){% F4 `! B/ h, Z( n1 |5 ]/ \" b
- Update.printError(Serial);) T$ `" h! k: ^, F/ F) u
- }
5 f4 j4 f& p3 ~+ m3 @5 m+ X7 e" B4 E - } else if(upload.status == UPLOAD_FILE_WRITE){9 }! e, @; a2 ?6 d( d2 S
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){9 U$ t, k% p$ O) }& j
- Update.printError(Serial);' \9 T+ ~3 r/ `' q2 q' B% l: y4 J
- }
7 x/ n- k8 z6 Y; {. R - } else if(upload.status == UPLOAD_FILE_END){
& m7 P" R1 U' _1 m - if(Update.end(true)){
8 c! k3 r7 V- t" {1 I: @ F - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);5 I7 v3 k p" W4 v, m7 f( m
- } else {0 F& n3 I4 A* T9 |. I
- Update.printError(Serial);$ H! ]; u+ N$ N, E8 w2 S
- }
& p, _6 S1 D2 W% o. r - Serial.setDebugOutput(false);
# U. H0 [* V1 p, Z1 Y - }( \- f/ q8 r0 p% f
- yield();% \( h" P4 f3 F: C/ i* q
- });
& k$ L" |: G( x. y -
7 J# t% [$ Q: S3 ~* e - digitalWrite(2,0);' I. q% c+ b- Y/ w1 o4 H# e$ [( d2 X
- mainAction();
. K8 N0 \: b. ?. i% z - if (digitalRead(0)){
; C6 \, A2 U& i; N$ T - ESP.deepSleep(0);: K# w( w, L) T: d/ g
- } else {
$ T. w C- p# n - server.begin();0 m5 a! \7 ]9 X) h3 }3 E& n4 N) n( v
- }
/ g) V2 }# }+ b1 H - }. B: @7 P- d! _
- void loop() {- F1 X+ @' \+ Y% F( S
- server.handleClient();4 z. ?3 J1 _4 } E! Q, H: E( F
- delay(1);
) m7 T$ r. V7 X2 e5 } - }+ t# U* k: U" m4 z- S
- String doGet(String url){0 t* }& O" x$ y
- if ((WiFiMulti.run() == WL_CONNECTED)) {) H8 G$ E8 s5 N q7 r) J
- HTTPClient http;
0 T- x2 d* @; Z - Serial.println("[HTTP] begin...");
t/ i, n3 U# O) N- K8 K) e - if (url.startsWith("https")) {
( T2 h* s5 x- U2 } - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");8 N' J# a: K! u T! e! q
- } else {
# G4 O+ I. M# \; G - http.begin(url);2 k" U) g$ r/ M% Q( n
- }8 j! \& z8 x6 [$ o
- Serial.println("[HTTP] GET...");" S4 ~& W% a9 I- Q$ s# T
- int httpCode = http.GET();
8 {+ J, _ |& I% f" g8 t - if (httpCode > 0) {
$ b. Y& t3 i: Q - Serial.printf("[HTTP] code: %d\n", httpCode);* g+ S* w ~% q
- if (httpCode == HTTP_CODE_OK) {' E; @+ F: W$ j" {
- String payload = http.getString();! u+ X+ h5 k7 c( t3 b s
- Serial.println(payload);, R% a( z: C0 D& }) v7 ^ C
- Serial.print("\r\n");& _+ g" X( h+ I! ~9 C' J5 K
- return payload;3 ]. V$ m4 T, r& A' ~! C/ Y
- }, {; N7 p8 Y( ^7 {2 p$ n
- } else {2 l2 a1 m$ j$ o J
- Serial.printf("[HTTP] GET... failed, error: %s\n",
5 a& y6 o5 E0 @6 G: p/ C - http.errorToString(httpCode).c_str());$ f5 l/ R( R( k( J. v
- }8 E6 J: N. J6 }
- http.end();
! |. K' [ a; U- I# b( c) J d! k- t - return "";3 Z3 o8 K* a' Z6 ?0 C) G& B8 [, f
- }
: ~, e w6 r; e - }
; Y( }- ^4 {5 s% s3 @! A - void mainAction() {
6 r& z( [$ G4 o r3 j - // 发送请求
( [& b! P/ z0 p% M% Z! b: `7 v - doGet("http://google.cn");; L# T- L5 {, B8 J
- }
/ L1 u/ r" ?0 Z: ?/ E3 w
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