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crate::periph! {
Peripheral;
rw CONFIG @ 0x00: u16 = 0x0000 {
MODE: 0..1 = enum Mode {
A = 0,
B = 1,
C = 2,
D = 3,
}
FLAG: 2 = enum CfgFlag {
False = 0,
True = 1,
}
}
r STATUS @ 0x02: u16 = 0x0000 {
STAT: 0..1 = enum Status {
A = 0,
B = 1,
C = 2,
D = 3,
}
FLAG: 2 = struct StatFlag(bool);
}
w BUFFER @ 0x04: u16 = 0x0000 {
DATA: 0..7 = struct Data(u8);
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::utils::{Peripheral, *};
use ::core::assert_eq;
enum PERIPH {}
impl Peripheral for PERIPH {
const BASE: usize = 0;
const NAME: &'static str = "PERIPH";
}
#[test]
fn registers() {
use ::core::mem::size_of;
assert_eq!(size_of::<Reg<CONFIG, PERIPH>>(), 0);
assert_eq!(size_of::<Reg<STATUS, PERIPH>>(), 0);
assert_eq!(size_of::<Reg<BUFFER, PERIPH>>(), 0);
assert_eq!(CONFIG::OFFSET, 0);
assert_eq!(STATUS::OFFSET, 2);
assert_eq!(BUFFER::OFFSET, 4);
}
#[test]
fn fields() {
assert_eq!(CONFIG::MODE.mask(), 0x03);
assert_eq!(CONFIG::MODE.offset(), 0);
assert_eq!(CONFIG::FLAG.mask(), 0x04);
assert_eq!(CONFIG::FLAG.offset(), 2);
assert_eq!(STATUS::STAT.mask(), 0x03);
assert_eq!(STATUS::STAT.offset(), 0);
assert_eq!(STATUS::FLAG.mask(), 0x04);
assert_eq!(STATUS::FLAG.offset(), 2);
assert_eq!(BUFFER::DATA.mask(), 0xff);
assert_eq!(BUFFER::DATA.offset(), 0);
}
}