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