bits is hard to use

[brandonros]

    const BAUD_DIVISOR: u16 = 104; // For 12MHz clock
    const HALF_BAUD_DIVISOR: u16 = 52; // For 12MHz clock
    let baud_max = bits::<U16>(BAUD_DIVISOR as u128);
    let baud_half = bits::<U16>(HALF_BAUD_DIVISOR as u128);

Brandons-MacBook-Air:uart_fpga brandon 2025-07-08 21:38:25 $ cargo check
    Checking uart_fpga v0.1.0 (/Users/brandon/Documents/coding/uart_fpga)
error[E0277]: the trait bound `u16: rhdl::prelude::Digital` is not satisfied
  --> src/main.rs:98:32
   |
87 | #[kernel]
   | --------- required by a bound introduced by this call
...
98 |     let baud_max = bits::<U16>(BAUD_DIVISOR as u128);
   |                                ^^^^^^^^^^^^ the trait `rhdl::prelude::Digital` is not implemented for `u16`
   |
   = help: the following other types implement trait `rhdl::prelude::Digital`:
             i128
             u128
             usize

error[E0277]: the trait bound `u16: rhdl::prelude::Digital` is not satisfied
  --> src/main.rs:99:33
   |
87 | #[kernel]
   | --------- required by a bound introduced by this call
...
99 |     let baud_half = bits::<U16>(HALF_BAUD_DIVISOR as u128);
   |                                 ^^^^^^^^^^^^^^^^^ the trait `rhdl::prelude::Digital` is not implemented for `u16`
   |
   = help: the following other types implement trait `rhdl::prelude::Digital`:
             i128
             u128
             usize

For more information about this error, try `rustc --explain E0277`.
error: could not compile `uart_fpga` (bin "uart_fpga") due to 2 previous errors

[samitbasu]

I see. That's unfortunate. Can you put the const definitions outside the kernel? Something like:

const HALF_BAUD: b16 = b16(102); // Fast clock

And then refer to it inside the kernel? The b16 func is const.