101 lines
2.5 KiB
Arduino
101 lines
2.5 KiB
Arduino
|
/**
|
||
|
|
* StreamHTTPClient.ino
|
||
|
|
*
|
||
|
|
* Created on: 24.05.2015
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <Arduino.h>
|
||
|
|
|
||
|
|
#include <WiFi.h>
|
||
|
|
#include <WiFiMulti.h>
|
||
|
|
|
||
|
|
#include <HTTPClient.h>
|
||
|
|
|
||
|
|
#define USE_SERIAL Serial
|
||
|
|
|
||
|
|
WiFiMulti wifiMulti;
|
||
|
|
|
||
|
|
void setup() {
|
||
|
|
|
||
|
|
USE_SERIAL.begin(115200);
|
||
|
|
|
||
|
|
USE_SERIAL.println();
|
||
|
|
USE_SERIAL.println();
|
||
|
|
USE_SERIAL.println();
|
||
|
|
|
||
|
|
for(uint8_t t = 4; t > 0; t--) {
|
||
|
|
USE_SERIAL.printf("[SETUP] WAIT %d...\n", t);
|
||
|
|
USE_SERIAL.flush();
|
||
|
|
delay(1000);
|
||
|
|
}
|
||
|
|
|
||
|
|
wifiMulti.addAP("SSID", "PASSWORD");
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
// wait for WiFi connection
|
||
|
|
if((wifiMulti.run() == WL_CONNECTED)) {
|
||
|
|
|
||
|
|
HTTPClient http;
|
||
|
|
|
||
|
|
USE_SERIAL.print("[HTTP] begin...\n");
|
||
|
|
|
||
|
|
// configure server and url
|
||
|
|
http.begin("http://192.168.1.12/test.html");
|
||
|
|
//http.begin("192.168.1.12", 80, "/test.html");
|
||
|
|
|
||
|
|
USE_SERIAL.print("[HTTP] GET...\n");
|
||
|
|
// start connection and send HTTP header
|
||
|
|
int httpCode = http.GET();
|
||
|
|
if(httpCode > 0) {
|
||
|
|
// HTTP header has been send and Server response header has been handled
|
||
|
|
USE_SERIAL.printf("[HTTP] GET... code: %d\n", httpCode);
|
||
|
|
|
||
|
|
// file found at server
|
||
|
|
if(httpCode == HTTP_CODE_OK) {
|
||
|
|
|
||
|
|
// get length of document (is -1 when Server sends no Content-Length header)
|
||
|
|
int len = http.getSize();
|
||
|
|
|
||
|
|
// create buffer for read
|
||
|
|
uint8_t buff[128] = { 0 };
|
||
|
|
|
||
|
|
// get tcp stream
|
||
|
|
WiFiClient * stream = http.getStreamPtr();
|
||
|
|
|
||
|
|
// read all data from server
|
||
|
|
while(http.connected() && (len > 0 || len == -1)) {
|
||
|
|
// get available data size
|
||
|
|
size_t size = stream->available();
|
||
|
|
|
||
|
|
if(size) {
|
||
|
|
// read up to 128 byte
|
||
|
|
int c = stream->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
|
||
|
|
|
||
|
|
// write it to Serial
|
||
|
|
USE_SERIAL.write(buff, c);
|
||
|
|
|
||
|
|
if(len > 0) {
|
||
|
|
len -= c;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
delay(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
USE_SERIAL.println();
|
||
|
|
USE_SERIAL.print("[HTTP] connection closed or file end.\n");
|
||
|
|
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
USE_SERIAL.printf("[HTTP] GET... failed, error: %s\n", http.errorToString(httpCode).c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
http.end();
|
||
|
|
}
|
||
|
|
|
||
|
|
delay(10000);
|
||
|
|
}
|
||
|
|
|