fc-shell help: batt command: better documentation The semantic meaning of the two bytes carried in the MMI_BATTERY_IND primitive depends on the firmware version. Update the documentation to describe what these two bytes mean in current FC Tourmaline firmware.

extern void serial_out();

void
putchar(ch)
{
	if (ch == '\n')
		serial_out('\r');
	serial_out(ch);
}