Radiohead transmitter not working

[Paul_KD7HB]

@alexbergandine

uint16_t data;
uint16_t xyz = data;
uint8_t datalen = sizeof(data);
if ( rf_driver.recv((uint8_t*)&data, &datalen)
&& datalen == sizeof(data))
{

Why all this? You already know the size of "data" is 2 bytes, because you assigned it that way.
Paul