|
|
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)1 `; \8 c4 h$ Z. _, P r! d0 T K
- #include <ESP8266HTTPClient.h>% Z/ f) A$ K# W% F
- #include <ESP8266WiFi.h>
; o- F8 I- H% a) N0 J& D1 N7 n$ l - #include <ESP8266WiFiMulti.h>1 \% f0 ^# S) r3 K2 p
- #include <ESP8266WebServer.h>
8 s, X! x6 o- ^: I - #include <arduino.h>& t3 z% x% w! A; ?8 `7 c! }
- ESP8266WiFiMulti WiFiMulti;2 t/ {7 Y: b3 W0 q: u) \5 d$ s
- ESP8266WebServer server(80);8 u0 S' Z1 B7 Y5 a! Q$ L
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
0 t# e5 I" N( |/ s7 u, z" N - ADC_MODE(ADC_VCC);: G3 B, T. L& ~; ^5 o. y
- void setup() {" c; p: d, I" U5 M ]1 l) E9 s
- Serial.begin(115200);
% G7 ~6 w: h1 N6 n+ q8 j0 J" l - Serial.print("\r\n\n");0 N0 H a5 `* _- q
- pinMode(2,OUTPUT);* I0 g- d9 _, W, z! B+ f
- // WIFI: B0 P0 `5 C/ d9 d9 W+ b
- WiFi.mode(WIFI_STA);7 U- g0 u4 S z1 H
- WiFi.hostname("Sparkle");. \8 E4 p4 I4 B" k/ ~- C
- WiFiMulti.addAP("wifi ssid", "wifi password");
3 y$ T7 P1 H6 R1 }$ R W8 K - int tryNum = 15;
1 ]- p. x7 m( M$ W6 V - Serial.print("Connect WiFi");0 Y9 |+ Z& V. S$ y X. \% Q
- while (WiFiMulti.run() != WL_CONNECTED) {
! ?4 b0 `& o. A2 M6 l - digitalWrite(2,0);
5 ]( S5 s( x7 C$ C7 ^5 a- Q - delay(200);
0 v8 |' m9 x% J - digitalWrite(2,1);5 C' S# Y2 N' t7 J2 ]4 Y
- delay(300);3 ~( {. K* f, Z* @9 ]3 T+ k7 d" X1 a
- Serial.print(".");' W" p5 m9 [/ x6 V. C& R: E0 ^ p$ [
- tryNum--;
% }' t5 q! q! f) _. k' Z* x - if (tryNum == 0) {
1 r1 J. Y6 e; I1 t7 h2 |4 V8 ]# f - // 1min
* p/ Y2 S x- F: `0 f$ Z& t - // ESP.deepSleep(60e6);# b# `9 e* i# ~5 v- W& T
- ESP.deepSleep(0);
! N6 d! |/ }( a: v$ F" Z' @ - }+ o* o0 g' G( M* c, Z" x( r- ^8 v
- } u1 T8 E5 A. u! t6 b4 }
- Serial.print("\r\n");) m5 G* F2 N- u. k
- digitalWrite(2,1);6 W0 B. V: X( x
- Serial.print("IP address : ");# S& T" X0 L. p! k, Z' j
- Serial.println(WiFi.localIP());) H( N7 P* K! l2 k- p# v, d
- server.on("/", HTTP_GET, [](){
x% O0 Q. Q) Q9 x/ Z7 _ - server.sendHeader("Connection", "close");. Y0 w* J6 H+ q9 Y& s* R' j4 q
- server.send(200, "text/html", serverIndex);% W* U/ J- c" h# U j( {" j
- });
4 P6 \% u' ]3 `. A& e, _$ W - server.on("/update", HTTP_POST, [](){
; g) Z: x; d B4 s% ^& `( I8 ` - server.sendHeader("Connection", "close");. A& J6 z7 N# `9 @) \9 ~. \
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
( `0 W$ u1 }& L1 W - ESP.restart();! I" E6 A* e* o( I Y8 Z9 E. J# `
- },[](){
; _$ @- ~0 H# O) E/ b+ B4 \ - HTTPUpload& upload = server.upload(); p" p; v* \* I- S$ ^/ P0 @
- if(upload.status == UPLOAD_FILE_START){
3 O: e; C) P H* k - Serial.setDebugOutput(true);0 O' [) k1 Q) _' Y1 l/ n7 o1 J
- Serial.printf("Update: %s\n", upload.filename.c_str());
% i; v( o" O8 @, p - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;3 L9 d7 F$ Z5 F9 o) v, W
- if(!Update.begin(maxSketchSpace)){- a1 k+ ?4 D) |/ S: ]
- Update.printError(Serial);- d: C/ I0 A0 U( V/ y# Q9 {; b
- }: G0 e1 E! p0 }8 `+ a! I
- } else if(upload.status == UPLOAD_FILE_WRITE){
; k3 u" H7 k8 S: ?$ ~1 ], b. D - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
0 y3 b, L S- q* M# n4 S3 Y3 C - Update.printError(Serial);
! ^3 ?- S6 o5 _$ R4 y - }1 [ I- m+ l2 Z4 c& n3 X. v2 W, m% L
- } else if(upload.status == UPLOAD_FILE_END){2 p- P5 T0 ~ G, A, O1 l
- if(Update.end(true)){
% h0 e3 w- K/ k' Y) Q - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
1 g7 | M) r' L2 H6 ~ - } else {( q- H4 g; @6 q. I5 T
- Update.printError(Serial);# E! \4 a' n! L0 O) {
- }
2 S- L8 H7 T& f - Serial.setDebugOutput(false);2 B7 p9 u H5 r- P
- }
" { Z5 P8 C1 L - yield();) O- n0 a- j- X$ B2 [8 q% v
- });
1 {! n) A6 [" m: c* Y4 b. ? -
: E3 w1 D* _" m2 Y - digitalWrite(2,0);
# E/ ~/ k$ t5 j - mainAction();
K. X% c5 d3 l+ R' W. j0 l: v' x - if (digitalRead(0)){
; x( a9 f. ~2 h - ESP.deepSleep(0);
2 p8 E5 ^# S5 ~2 p4 s/ d - } else {
+ m: O* Y2 M" `9 o, C' x - server.begin();
, D3 B* Z+ C. P h8 a - }: F! w0 }* U! x( E
- }3 [* y' \/ n# L6 b/ ]
- void loop() {
- B6 A5 r# Q- g$ {9 d; L: R - server.handleClient();/ J5 S" o6 I' y- O
- delay(1);
: s9 c0 P4 C G% }' I* |# |: n6 w - }
# B0 Q2 Q3 v+ j8 O& N4 U - String doGet(String url){
# n; V% |+ q% |( B W - if ((WiFiMulti.run() == WL_CONNECTED)) {3 U& I0 D) B2 y' ^
- HTTPClient http;. Z/ s, ]7 R; a% p
- Serial.println("[HTTP] begin...");; F5 \9 I3 \) l v! Q& ]
- if (url.startsWith("https")) {
, }8 V- z* E9 x# l% v - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
z4 ]" ^; w9 g7 k- u( V* L3 q o4 H - } else {
# G. I, R0 x7 C8 K- L* t - http.begin(url);4 m$ z5 k0 t# k: \0 E/ m
- }
B8 r& [9 B9 G2 b - Serial.println("[HTTP] GET...");
# J& E. }9 `* _9 u+ ^! D# _ - int httpCode = http.GET();% } g0 o) H% Y; p+ b3 k
- if (httpCode > 0) {
9 f1 d5 ]0 B" D& W5 L - Serial.printf("[HTTP] code: %d\n", httpCode);
# a" Z3 C+ i: c% _1 i/ Z: f: M - if (httpCode == HTTP_CODE_OK) {) `6 N9 g3 w* |; {; k `
- String payload = http.getString();
! }7 b4 m: x9 M3 P8 @ - Serial.println(payload);
8 M: \2 ~7 R1 V$ F' T+ ~0 m. n - Serial.print("\r\n");7 I: y5 H9 i5 x& w7 ^
- return payload;
% u1 G1 w4 b ^$ m - }+ w/ w u+ S D) _7 L" u
- } else {
7 K: o: g0 ^* i8 ?. p9 F; z - Serial.printf("[HTTP] GET... failed, error: %s\n",
% X8 X: u. U! e" |7 f) _) L - http.errorToString(httpCode).c_str());
- C* \" w5 V0 ?: V5 {: V - }
/ K7 o" V% Z& M$ M& [, X& k% ~7 [ - http.end();
$ D2 Y" Y% l; ^5 H) e4 p* ] - return "";
4 ^5 v% k* i6 c1 c, f2 M- f - }
. v9 ?# I" _( Y - }; L: z) X$ f4 `
- void mainAction() {
( H U* J( s7 j# R7 V - // 发送请求0 v6 d/ I$ r9 J2 k% L- m
- doGet("http://google.cn");
( L5 W# S2 @9 `* T - }
. t% V4 ~" @6 Y5 C7 P" c3 @
复制代码 |
评分
-
查看全部评分
|