C: Decimal to BCO
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C: Decimal to BCO
While the BCD conversion is useful for setting radios, it cannot be used for setting the Transponder. Instead, BCO must be used. Example below:
UINT32 Dec2Bco(int xpdr)
{
int x = xpdr % 10;
int x1 = (((xpdr / 10) % 10) * 16) + x;
int x2 = (((xpdr / 100) % 10) * 256) + x1;
int x3 = ((xpdr / 1000) * 4096) + x2;
return UINT32(x3);
}
To use:
trigger_key_event(KEY_XPNDR_SET, Dec2Bco(7700));//Emergency! Mayday! Mayday!
