Hi, I am trying to get a json response from https://min-api.cryptocompare.com/data/price?fsym=BTC&tsyms=EUR so I can watch the current bitcoin price.
The problem is it doesnt return anything.
The standard google example does work.
So how can I return the price of bitcoin in this example?
// Demo using DHCP and DNS to perform a web client request.
// 2011-06-08 <jc@wippler.nl> http://opensource.org/licenses/mit-license.php
#include <EtherCard.h>
// ethernet interface mac address, must be unique on the LAN
static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };
byte Ethernet::buffer[700];
static uint32_t timer;
const char website[] PROGMEM = "min-api.cryptocompare.com";
// called when the client request is complete
static void my_callback (byte status, word off, word len) {
Serial.println(">>>");
Ethernet::buffer[off+300] = 0;
Serial.print((const char*) Ethernet::buffer + off);
Serial.println("...");
}
void setup () {
Serial.begin(57600);
Serial.println(F("\n[webClient]"));
if (ether.begin(sizeof Ethernet::buffer, mymac) == 0)
Serial.println(F("Failed to access Ethernet controller"));
if (!ether.dhcpSetup())
Serial.println(F("DHCP failed"));
ether.printIp("IP: ", ether.myip);
ether.printIp("GW: ", ether.gwip);
ether.printIp("DNS: ", ether.dnsip);
#if 1
// use DNS to resolve the website's IP address
if (!ether.dnsLookup(website))
Serial.println("DNS failed");
#elif 2
// if website is a string containing an IP address instead of a domain name,
// then use it directly. Note: the string can not be in PROGMEM.
char websiteIP[] = "192.168.1.1";
ether.parseIp(ether.hisip, websiteIP);
#else
// or provide a numeric IP address instead of a string
byte hisip[] = { 192,168,1,1 };
ether.copyIp(ether.hisip, hisip);
#endif
ether.printIp("SRV: ", ether.hisip);
}
void loop () {
ether.packetLoop(ether.packetReceive());
if (millis() > timer) {
timer = millis() + 5000;
Serial.println();
Serial.print("<<< REQ ");
ether.browseUrl(PSTR("/data/"), "price?fsym=BTC&tsyms=EUR", website, my_callback);
ether.persistTcpConnection(true);
}
}