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add new Basic example based of getString

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note: keep in mind the ram usage!
This commit is contained in:
Markus Sattler 2015-11-25 12:40:25 +01:00
parent e4a5250a1a
commit 59b4c82d60
2 changed files with 102 additions and 34 deletions
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38
libraries/ESP8266httpClient/examples/BasicHttpClient/BasicHttpClient.ino
View File

@ -43,50 +43,20 @@ void loop() {
USE_SERIAL.print("[HTTP] begin...\n");
// configure traged server and url
http.begin("192.168.1.12", 80, "/test.html");
//http.begin("192.168.1.12", 443, "/test.html", true, "7a 9c f4 db 40 d3 62 5a 6e 21 bc 5c cc 66 c8 3e a1 45 59 38"); //HTTPS
http.begin("192.168.1.12", 80, "/test.html"); //HTTP
USE_SERIAL.print("[HTTP] GET...\n");
// start connection and send HTTP header
int httpCode = http.GET();
if(httpCode) {
// 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 == 200) {
// get lenght 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.getStream();
// 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");
String payload = http.getString();
USE_SERIAL.println(payload);
}
} else {
USE_SERIAL.print("[HTTP] GET... faild, no connection or no HTTP server\n");

98
libraries/ESP8266httpClient/examples/StreamHttpClient/StreamHttpClient.ino Normal file
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@ -0,0 +1,98 @@
/**
* StreamHttpClient.ino
*
* Created on: 24.05.2015
*
*/
#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <ESP8266WiFiMulti.h>
#include <ESP8266httpClient.h>
#define USE_SERIAL Serial
ESP8266WiFiMulti WiFiMulti;
void setup() {
USE_SERIAL.begin(115200);
// USE_SERIAL.setDebugOutput(true);
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 traged server and url
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) {
// 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 == 200) {
// get lenght 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.getStream();
// 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.print("[HTTP] GET... faild, no connection or no HTTP server\n");
}
}
delay(10000);
}