|
|
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)7 @/ Z% `* e" r4 S( y. R" b+ p
- #include <ESP8266HTTPClient.h>
}3 n& W8 p/ z2 t& g' ^ - #include <ESP8266WiFi.h>
" t7 o6 O0 m3 [8 F" M ~; n7 j - #include <ESP8266WiFiMulti.h>, {/ F0 n. q5 w: j# t$ b
- #include <ESP8266WebServer.h>5 y( F: A1 v$ G/ n/ U4 f
- #include <arduino.h>- \; S' q" u6 n3 o9 g
- ESP8266WiFiMulti WiFiMulti;
& }7 ?( E3 v/ Z9 t. r - ESP8266WebServer server(80);
0 Z g7 Y5 ?$ J7 @. n% }$ f - const char* serverIndex = "<form method='POST' action='/update' enctype='multipart/form-data'><input type='file' name='update'><input type='submit' value='Update'></form>";; V7 E z* m4 F0 G
- ADC_MODE(ADC_VCC);% l; E# H7 d: I. Q: b0 ]+ O
- void setup() {5 ~: Y8 M% I4 A; m1 |6 N
- Serial.begin(115200);) ^! W! Y: U; R% a; v
- Serial.print("\r\n\n");
3 s" b: X2 t F* S' L, s - pinMode(2,OUTPUT);
! c: c+ p0 M3 b2 x - // WIFI4 k9 J7 a* f" w- p0 q% V! R
- WiFi.mode(WIFI_STA);
9 j0 Y$ P9 k9 w4 J7 { - WiFi.hostname("Sparkle");
" ?$ p# S/ [1 [! G$ X8 Z - WiFiMulti.addAP("wifi ssid", "wifi password");
7 x; [1 A h9 ~ - int tryNum = 15;" u3 K5 a* ~' c7 c
- Serial.print("Connect WiFi");
3 G4 @1 m7 l, J3 o) s2 n$ G - while (WiFiMulti.run() != WL_CONNECTED) {
! z1 D- T5 Q+ x, u% f# ^! H - digitalWrite(2,0);% o2 Y0 l' N& y$ T
- delay(200);
+ y3 I! R+ ?- Z/ ^: Q4 S1 l5 D - digitalWrite(2,1);* v. r4 c }6 L# U7 [, U3 }
- delay(300);
9 B* J4 s G- H) f# S3 z4 h) Y - Serial.print(".");
; O9 C2 D! Z. `; R5 a8 v( M, X - tryNum--;
0 h! t4 Z+ `" F - if (tryNum == 0) {8 Q! f' t8 `+ p: w
- // 1min
! Q# O$ j7 C5 t+ ^* q2 f - // ESP.deepSleep(60e6);
# }# W& x. v7 J - ESP.deepSleep(0);
# {! w3 u( h8 ? R) T5 Q# I - }
" l, c4 w6 h* u1 K& R& f1 d - }
9 |. [2 n3 r! @- M! t# M - Serial.print("\r\n");3 @# J a- R7 d0 u+ m7 d
- digitalWrite(2,1);+ w3 a- \: O7 S" I
- Serial.print("IP address : ");
+ m. I/ i) D' x6 m - Serial.println(WiFi.localIP());
& O3 A: |9 V$ c2 ~ w+ f2 @9 I% t - server.on("/", HTTP_GET, [](){
. V/ W( q0 M$ S. P" y - server.sendHeader("Connection", "close");
" m: E3 f. v A. w, `. U5 R! O - server.send(200, "text/html", serverIndex);
0 f M( d* @$ I2 D; E, B1 I3 U( j - });0 m: H) \/ g% J6 p6 d& `+ z
- server.on("/update", HTTP_POST, [](){
& C+ ]6 _# X6 b) b0 `) E# K5 ?& ] - server.sendHeader("Connection", "close");# ]( {+ ^2 N" z0 m
- server.send(200, "text/plain", (Update.hasError())?"FAIL":"OK");! k* I, H# u% m" p
- ESP.restart();
* z& p6 F- A8 T; k - },[](){: x2 L4 F" m3 h! V! B( }
- HTTPUpload& upload = server.upload();# f* ~& H9 d4 B- R) A
- if(upload.status == UPLOAD_FILE_START){
( \! B1 H; M; K* z( U - Serial.setDebugOutput(true);
. [( Z: }7 G0 H- ]0 n2 l' b - Serial.printf("Update: %s\n", upload.filename.c_str());
7 j% B' d+ T8 Q* w - uint32_t maxSketchSpace = (ESP.getFreeSketchSpace() - 0x1000) & 0xFFFFF000;
Q$ A2 {3 c4 c S0 S3 [, x - if(!Update.begin(maxSketchSpace)){: D; y, X% d( u" B! w
- Update.printError(Serial);
; l3 X" O; o- f* j# m - }
5 j* b2 a6 S9 n/ f' I - } else if(upload.status == UPLOAD_FILE_WRITE){
- j3 ~7 w1 G ]8 z" \1 u0 Z - if(Update.write(upload.buf, upload.currentSize) != upload.currentSize){
# x6 `% c8 v9 s. y - Update.printError(Serial);2 S8 U0 j. h+ K) Q
- }. J" k1 S- o+ g& H
- } else if(upload.status == UPLOAD_FILE_END){# s* e4 B+ M: n) |! N2 K7 [$ d' v
- if(Update.end(true)){
! f5 d8 w; K+ S1 ~ - Serial.printf("Update Success: %u\nRebooting...\n", upload.totalSize);
8 F9 ?9 D3 H4 h$ R" Y- j - } else {
+ P3 ?2 Z1 C6 y) N - Update.printError(Serial);! y1 q4 m. n2 j- {# a
- }
, F1 B; q' P/ K7 I- r - Serial.setDebugOutput(false);7 D7 @1 n1 N6 `$ o' [
- }
' W2 [+ _& H9 ], [, Q7 i - yield(); [' I7 }, H: ^9 Y! i
- });' v0 W3 t1 M P7 n; W- h
- ( b4 j. x p& {* p: O& D
- digitalWrite(2,0);9 N2 P" V5 R k P ~6 E& Z& b# M
- mainAction();
1 x n( ~; {& p) L - if (digitalRead(0)){6 }% F$ D) I/ ~2 m' X0 a$ v" S" Z
- ESP.deepSleep(0);! |; h; n! j7 I5 }' ^
- } else {
0 c( @7 R& `7 T, x; i( R3 W - server.begin();+ p5 r8 x0 |! a; s, E6 w/ U
- }
( s5 V3 I E4 N) S - }6 \( d7 F- I) ~# g( \
- void loop() {
( B: R6 l: h. n% D - server.handleClient();- E! m% K7 V/ r0 G. d3 H4 E4 r
- delay(1);' W7 V! m+ M' o$ h8 I; L
- }
+ |8 O v& J* l' T2 i( U2 m - String doGet(String url){
0 T# B8 L1 G/ C% ` - if ((WiFiMulti.run() == WL_CONNECTED)) {
: ?$ F/ I& K# H- ? f7 F - HTTPClient http; D. ^) K9 h% D- e
- Serial.println("[HTTP] begin...");
, ]3 b$ _8 N! K - if (url.startsWith("https")) {
2 D+ {+ Y) ]2 D+ K+ f8 l - http.begin(url, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38");
# ?4 I) q" n+ a: Y/ t6 ?# r( ]+ ] - } else { T+ H; z8 l9 Q% P3 g* ?
- http.begin(url);5 n, l; E/ L* T! |
- }
9 s5 g/ q* l, x/ i Q. A - Serial.println("[HTTP] GET...");& j2 i6 K2 H+ @2 t- M3 i
- int httpCode = http.GET();) a @! J1 N, ]' C
- if (httpCode > 0) {
+ m$ ?- V3 @) u6 A# e: _ - Serial.printf("[HTTP] code: %d\n", httpCode);8 M! X+ U0 F6 i" I, W' A+ o
- if (httpCode == HTTP_CODE_OK) {# z) s/ s; x c+ H3 Q0 R
- String payload = http.getString();
5 K4 _9 j2 l3 ]9 Y# b s9 j- L - Serial.println(payload);
, o. r* G) N0 `* o% N - Serial.print("\r\n");/ n2 u( x( T5 Q, o
- return payload;
; e' v# T) E" s& I) e" E0 [+ L% P - }3 w/ l9 V0 _5 p% j j! {- }
- } else {- ^& J: o- u5 a* }* U) f# y
- Serial.printf("[HTTP] GET... failed, error: %s\n",0 [* a4 H* u; M6 R" h8 [
- http.errorToString(httpCode).c_str());
& x$ L: j- J( C9 [ E# F9 S - }. H3 b' y$ D7 l4 e4 }# u6 U
- http.end();. n5 b/ V) D" u' w
- return "";) w: |) l5 u+ |3 E
- }
3 Q/ j! J- `1 m8 c* I( e( Z1 u( z - }* M7 L' @3 _1 `! X8 ~9 s
- void mainAction() {$ P, }* @& e- d4 T& K. q
- // 发送请求
4 q2 n `; o2 k7 H - doGet("http://google.cn");
+ y( I- z! c$ U" w - }
' N' m# `* Z0 ?3 k9 P- o; x7 h
复制代码 |
评分
-
查看全部评分
|