do as this
union f2c{
float f;
unsigned char c[4];
}

store float to f2c.f and retrive bytes as f2c[0]..[3] and vis versa

Hello i have made my own hardware based on STM32F407ZG and LAN8720 as PHY interface for ethernet. all thins works like a charm in startup for a while and after 20-30 seconds ethernet stop to reply any request even ICMP/ping :shock: after a while it comes back and works for a while and this repeat. i...