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use crate::{
fpga::{Duty, LegacyDrive, Phase},
hardware::NUM_TRANS_IN_UNIT,
Mode, POINT_STM_FIXED_NUM_UNIT,
};
#[derive(Clone, Copy)]
#[repr(C)]
pub struct Body {
pub data: [u16; NUM_TRANS_IN_UNIT],
}
impl Body {
pub fn new() -> Self {
Self {
data: [0x0000; NUM_TRANS_IN_UNIT],
}
}
pub fn legacy_drives_mut(&mut self) -> &mut [LegacyDrive; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn duties_mut(&mut self) -> &mut [Duty; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn phases_mut(&mut self) -> &mut [Phase; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn point_stm_head(&self) -> &PointSTMBodyHead {
unsafe { std::mem::transmute(self) }
}
pub fn point_stm_head_mut(&mut self) -> &mut PointSTMBodyHead {
unsafe { std::mem::transmute(self) }
}
pub fn point_stm_body(&self) -> &PointSTMBodyBody {
unsafe { std::mem::transmute(self) }
}
pub fn point_stm_body_mut(&mut self) -> &mut PointSTMBodyBody {
unsafe { std::mem::transmute(self) }
}
pub fn gain_stm_head(&self) -> &GainSTMBodyHead {
unsafe { std::mem::transmute(self) }
}
pub fn gain_stm_head_mut(&mut self) -> &mut GainSTMBodyHead {
unsafe { std::mem::transmute(self) }
}
pub fn gain_stm_body(&self) -> &GainSTMBodyBody {
unsafe { std::mem::transmute(self) }
}
pub fn gain_stm_body_mut(&mut self) -> &mut GainSTMBodyBody {
unsafe { std::mem::transmute(self) }
}
}
impl Default for Body {
fn default() -> Self {
Self::new()
}
}
#[repr(C)]
pub struct SeqFocus {
pub(crate) buf: [u16; 4],
}
impl SeqFocus {
pub fn new(x: f64, y: f64, z: f64, duty_shift: u8) -> Self {
let x = (x / POINT_STM_FIXED_NUM_UNIT).round() as i32;
let y = (y / POINT_STM_FIXED_NUM_UNIT).round() as i32;
let z = (z / POINT_STM_FIXED_NUM_UNIT).round() as i32;
let d0 = (x & 0xFFFF) as u16;
let d1 =
((y << 2) & 0xFFFC) as u16 | ((x >> 30) & 0x0002) as u16 | ((x >> 16) & 0x0001) as u16;
let d2 =
((z << 4) & 0xFFF0) as u16 | ((y >> 28) & 0x0008) as u16 | ((y >> 14) & 0x0007) as u16;
let d3 = (((duty_shift as u16) << 6) & 0x3FC0) as u16
| ((z >> 26) & 0x0020) as u16
| ((z >> 12) & 0x001F) as u16;
SeqFocus {
buf: [d0, d1, d2, d3],
}
}
}
#[repr(C)]
pub struct PointSTMBodyHead {
data: [u16; NUM_TRANS_IN_UNIT],
}
impl PointSTMBodyHead {
pub fn data(&self) -> &[u16] {
&self.data
}
pub fn set_size(&mut self, size: u16) {
self.data[0] = size;
}
pub fn set_freq_div(&mut self, freq_div: u32) {
self.data[1] = (freq_div & 0x0000FFFF) as _;
self.data[2] = ((freq_div >> 16) & 0x0000FFFF) as _;
}
pub fn set_sound_speed(&mut self, sound_speed: u32) {
self.data[3] = (sound_speed & 0x0000FFFF) as _;
self.data[4] = ((sound_speed >> 16) & 0x0000FFFF) as _;
}
pub fn set_points(&mut self, points: &[SeqFocus]) {
self.data[5..]
.chunks_mut(4)
.zip(points.iter())
.for_each(|(d, s)| d.copy_from_slice(&s.buf));
}
}
#[repr(C)]
pub struct PointSTMBodyBody {
data: [u16; NUM_TRANS_IN_UNIT],
}
impl PointSTMBodyBody {
pub fn data(&self) -> &[u16] {
&self.data
}
pub fn set_size(&mut self, size: u16) {
self.data[0] = size;
}
pub fn set_points(&mut self, points: &[SeqFocus]) {
self.data[1..]
.chunks_mut(4)
.zip(points.iter())
.for_each(|(d, s)| d.copy_from_slice(&s.buf));
}
}
#[repr(C)]
pub struct GainSTMBodyHead {
data: [u16; NUM_TRANS_IN_UNIT],
}
impl GainSTMBodyHead {
pub fn data(&self) -> &[u16] {
&self.data
}
pub fn set_freq_div(&mut self, freq_div: u32) {
self.data[0] = (freq_div & 0x0000FFFF) as _;
self.data[1] = ((freq_div >> 16) & 0x0000FFFF) as _;
}
pub fn set_mode(&mut self, mode: Mode) {
self.data[2] = mode as u16;
}
}
#[repr(C)]
pub struct GainSTMBodyBody {
data: [u16; NUM_TRANS_IN_UNIT],
}
pub struct PhaseFull {
pub(crate) phase_0: u8,
pub(crate) phase_1: u8,
}
pub struct PhaseHalf {
phase_01: u8,
phase_23: u8,
}
impl PhaseHalf {
pub fn set(&mut self, idx: usize, phase: u8) {
match idx {
0 => self.phase_01 = (self.phase_01 & 0xF0) | ((phase >> 4) & 0x0F),
1 => self.phase_01 = (self.phase_01 & 0x0F) | (phase & 0xF0),
2 => self.phase_23 = (self.phase_23 & 0xF0) | ((phase >> 4) & 0x0F),
3 => self.phase_23 = (self.phase_23 & 0x0F) | (phase & 0xF0),
_ => unreachable!(),
}
}
}
impl GainSTMBodyBody {
pub fn data(&self) -> &[u16] {
&self.data
}
pub fn legacy_drives_mut(&mut self) -> &mut [LegacyDrive; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn phases_mut(&mut self) -> &mut [Phase; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn duties_mut(&mut self) -> &mut [Duty; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn phase_full_mut(&mut self) -> &mut [PhaseFull; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn phase_half_mut(&mut self) -> &mut [PhaseHalf; NUM_TRANS_IN_UNIT] {
unsafe { std::mem::transmute(&mut self.data) }
}
}
