|
|
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)* k# e0 f O8 _8 v6 }9 _0 {
- #include <ESP8266HTTPClient.h>8 |. w1 C, m. K( @- v
- #include <ESP8266WiFi.h>
- @: _0 |* g/ S - #include <ESP8266WiFiMulti.h>1 D* H1 W& P6 o) P B- L& e
- #include <ESP8266WebServer.h>/ P4 i9 L) O# X: Y4 ?' x) D
- #include <arduino.h>
8 U0 F4 C3 t. V - ESP8266WiFiMulti WiFiMulti;% n: S7 {& Z1 ?* S+ q8 l& L
- ESP8266WebServer server(80);, L5 u9 R2 ]% W: U7 \8 V9 t
- const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";
8 u0 c. k n$ a - ADC_MODE(ADC_VCC);# n @- _6 B& k/ O. q* @
- void setup() {
Q" s7 \* T3 @% e7 @0 @/ E - Serial.begin(115200);5 A2 ^: J3 a4 W" U8 ?, O D
- Serial.print("\r\n\n");
- f ?' m; E9 S" l I! k9 K. I - pinMode(2,OUTPUT);
4 l' X1 L. l% M - // WIFI& x' U( I5 G8 t/ I1 @
- WiFi.mode(WIFI_STA);
" L$ L5 E$ A/ P- }( B - WiFi.hostname("Sparkle");
2 ? o0 ^9 k) ? ]4 L. ?2 J" c - WiFiMulti.addAP("wifi ssid", "wifi password");* x: U M; n X9 i" F
- int tryNum = 15;; `: i7 q$ ]) w1 p. ~* y
- Serial.print("Connect WiFi");
& W; K( ~ d' w2 k& ^ - while (WiFiMulti.run() != WL_CONNECTED) {
5 O4 o$ L& r- c9 I3 a - digitalWrite(2,0);
3 M) O/ u: X1 y# |( ?( [: X - delay(200);5 Q. W; ]5 i, c$ B& u# ^: }# \3 ~
- digitalWrite(2,1);
" X/ x! e W2 o2 P9 s/ ] - delay(300);
$ M/ V; I8 H9 ^: s - Serial.print(".");
T8 l: d5 ^7 L6 e3 Z6 {# Y - tryNum--;
]3 e, v) u/ |- u( I5 F& [9 @$ F - if (tryNum == 0) {: \. L# C1 L8 ~7 H
- // 1min
- F& T5 k1 h7 n: G1 ]& V- w - // ESP.deepSleep(60e6);
) T8 t# r' x5 _- z* N1 J1 E0 l - ESP.deepSleep(0);
( z& v% r6 Q! U+ i/ _' ~( S4 x - }
3 L- N# {" J5 L' b2 z6 A4 k - }# q5 f" ]/ f, A
- Serial.print("\r\n");# ]7 ~# a- {1 x5 w* u# l2 C) _
- digitalWrite(2,1);- _4 K( B8 h& B: G- v
- Serial.print("IP address : ");
3 n" F) W: k: E4 ? - Serial.println(WiFi.localIP());
* d, M* o$ q) d+ C9 y5 M - server.on("/", HTTP_GET, [](){
7 k3 @" R @5 k4 r+ ? - server.sendHeader("Connection", "close");0 A6 t8 s7 T+ z& N
- server.send(200, "text/html", serverIndex);/ v$ Z6 M8 u: c! B6 A( V5 \
- });
' c# J6 j/ |8 Y1 e' W Q0 J - server.on("/update", HTTP_POST, [](){
7 F! a9 C6 K# f - server.sendHeader("Connection", "close");. } x. h. ^! \5 e ?8 e: L3 B
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");
6 ?" o4 ?4 ~- \' `; C% ? - ESP.restart();
# p0 p* l( f% n3 }3 ` - },[](){% [$ [/ B. p" d5 A- o
- HTTPUpload& upload = server.upload();
2 y) _4 q! S6 z+ P$ s* a - if(upload.status == UPLOAD_FILE_START){
) J/ }' f2 |# }$ M - Serial.setDebugOutput(true);
. \9 z' ~9 V7 Y4 m - Serial.printf("Update: %s\n", upload.filename.c_str());5 @& c4 C6 c: x9 `0 U/ o/ l
- uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;' v4 }" ^8 E' t+ P ]) w+ n7 ]
- if(!Update.begin(maxSketchSpace)){$ i1 s7 P% T1 r. u: G% t, q; e
- Update.printError(Serial);7 C) D7 z7 f: X/ x! y
- }
0 I4 Q2 L4 X+ B/ |2 j* n - } else if(upload.status == UPLOAD_FILE_WRITE){! W# c a$ u2 D- c2 m" n1 S
- if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){) `) L% t, ]3 N4 Z$ o
- Update.printError(Serial);: Z& i _8 z/ ?9 h8 N3 b# M L4 h g
- }
: m- X! x) G% C1 S1 c) M, D7 ] - } else if(upload.status == UPLOAD_FILE_END){1 V2 J# b" b' H9 @3 j; @
- if(Update.end(true)){0 X) Q1 E+ T. g6 c% w% q
- Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
2 `) Q) T/ e" c. N - } else {0 F0 |: E( Z/ s; e( [/ x7 J
- Update.printError(Serial);
+ C( p% C( Z% O% f$ G - }
) v' I% D3 h# q - Serial.setDebugOutput(false);" P6 a1 v" d9 c% R! E. R4 A
- }
5 U2 e( W2 `( f; ~* g - yield();
9 w6 k. \6 n- r0 O6 j. O) B5 P - });9 H0 d2 h. ^( I
-
: K L5 }6 v; f6 [: H# H7 F$ b - digitalWrite(2,0);
. h, w" H+ h* [* p6 C7 P - mainAction();
4 ~- K4 V' D' J5 p - if (digitalRead(0)){
9 _; e4 `5 u8 J+ ~: q - ESP.deepSleep(0);
+ Z+ Y h$ h3 Y: S y - } else {
- R! T9 T. j! [+ z, M - server.begin();% g5 N2 G' x K, v3 [
- }
- a& |! ^ h4 V - }
) ~( ?/ c9 a6 m$ k8 [- I: C9 Z6 c0 c - void loop() {7 {" i" A- H+ ?8 p
- server.handleClient();% }4 D' l- P) i! l! I$ `2 u( i
- delay(1);
$ _4 J# n4 O2 p% g* J2 J" W - }
( x% E% U1 @* E/ Y" ^ - String doGet(String url){& D/ O/ z9 X* p
- if ((WiFiMulti.run() == WL_CONNECTED)) {
% j' K2 O- V/ e3 c1 m& { - HTTPClient http;% m" | x {: `; Q
- Serial.println("[HTTP] begin...");, y) y1 a8 w Q6 l6 x) Q% Y
- if (url.startsWith("https")) {
% v! _' g) l: S% X* p+ w3 }7 ` - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
- ~: p) }1 b4 K - } else {* w- Q8 u) E* Q
- http.begin(url);) N1 }( z e& O& R* g* ?
- }; i, A+ u( [3 H7 c
- Serial.println("[HTTP] GET...");
5 k: ]; X k7 A0 D" f - int httpCode = http.GET();
( P0 D. F" ]! E% `0 B# S2 D - if (httpCode > 0) {
* F5 Y' J% z5 R. J - Serial.printf("[HTTP] code: %d\n", httpCode);
) N5 i# u% i* I7 ]0 X - if (httpCode == HTTP_CODE_OK) {
4 ~! c P: q% S; |: ? - String payload = http.getString();4 X' J" P* g0 |( a% X
- Serial.println(payload);( l8 [4 R, h( |6 a0 Y9 P
- Serial.print("\r\n");1 D5 i* _! o/ `2 k) v5 ~
- return payload;
+ t1 w! K; d1 `0 m! C* x - }
) }3 a& ^# M1 S% d2 L, [ - } else {: t6 d" L0 K8 R6 F
- Serial.printf("[HTTP] GET... failed, error: %s\n",
9 {2 C& K3 y: j& C8 ~/ g% w9 l - http.errorToString(httpCode).c_str());
% |3 E, _# S6 x& J5 r/ z& Q# D. ~ - }8 D8 y2 g0 `+ b% E* _' T" F7 e
- http.end();
# z0 g8 a# Q5 [2 f# o - return "";* B" A& o* D% ^9 q
- }) p- n6 e# a; W/ H/ s! H. D% Y
- }' C1 H Q0 `4 Z6 Y i% q
- void mainAction() {
( O2 G1 C. }3 r( Z - // 发送请求' e, G& M" w/ |
- doGet("http://google.cn");* ?9 Q3 ?0 M1 I0 s7 n( b
- }
8 Y& Q9 e6 K* m0 Q
复制代码 |
评分
-
查看全部评分
|