xiaorui qu
/
mbed-demo-http-get-json
http request for get json
main.cpp
- Committer:
- quxiaorui
- Date:
- 2020-11-08
- Revision:
- 1:0437cdff5724
- Parent:
- 0:cd14a0821140
File content as of revision 1:0437cdff5724:
#include "mbed.h" #include "HTTPClient.h" #include "errno.h" NetworkInterface *net = NetworkInterface::get_default_instance(); void get_json(char *url) { char buffer[256]; HTTPJson httpjson(buffer, 256); HTTPClient http(net); HTTPResult result = http.get(url, &httpjson); if (result == HTTP_OK) { printf("Result Json.\n%s\r\n", buffer); } else { printf("Error during download %d\r\n", result); } } int main() { #ifdef MBED_MAJOR_VERSION printf("Mbed OS version %d.%d.%d\n\n", MBED_MAJOR_VERSION, MBED_MINOR_VERSION, MBED_PATCH_VERSION); #endif printf("Mbed OS http get json example\n"); nsapi_size_or_error_t result = net->connect(); if (result != 0) { printf("Error! net->connect() returned: %d\n", result); return result; } // Show the network address SocketAddress a; net->get_ip_address(&a); printf("IP address: %s\n", a.get_ip_address() ? a.get_ip_address() : "None"); net->get_netmask(&a); printf("Netmask: %s\n", a.get_ip_address() ? a.get_ip_address() : "None"); net->get_gateway(&a); printf("Gateway: %s\n\n", a.get_ip_address() ? a.get_ip_address() : "None"); // Get Json get_json((char *)"http://ip-api.com/json/?fields=status,query"); net->disconnect(); }