1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
use crate::{cpu::CPUControlFlags, fpga::FPGAControlFlags};
pub const MSG_CLEAR: u8 = 0x00;
pub const MSG_RD_CPU_VERSION: u8 = 0x01;
pub const MSG_RD_FPGA_VERSION: u8 = 0x03;
pub const MSG_RD_FPGA_FUNCTION: u8 = 0x04;
pub const MSG_BEGIN: u8 = 0x05;
pub const MSG_END: u8 = 0xF0;
pub const MSG_SERVER_CLOSE: u8 = 0xFD;
pub const MSG_SIMULATOR_CLOSE: u8 = 0xFE;
pub const MSG_SIMULATOR_INIT: u8 = 0xFF;
pub const MOD_HEADER_INITIAL_DATA_SIZE: usize = 120;
pub const MOD_HEADER_SUBSEQUENT_DATA_SIZE: usize = 124;
#[derive(Clone, Copy)]
#[repr(C)]
pub struct GlobalHeader {
pub msg_id: u8,
pub fpga_flag: FPGAControlFlags,
pub cpu_flag: CPUControlFlags,
pub size: u8,
pub data: [u8; 124],
}
#[repr(C)]
pub struct ModInitial {
pub freq_div: u32,
pub data: [u8; MOD_HEADER_INITIAL_DATA_SIZE],
}
#[repr(C)]
pub struct ModSubsequent {
pub data: [u8; MOD_HEADER_SUBSEQUENT_DATA_SIZE],
}
#[repr(C)]
pub struct SilencerHeader {
pub cycle: u16,
pub step: u16,
_unused: [u8; 120],
}
impl GlobalHeader {
pub fn new() -> Self {
Self {
msg_id: 0,
fpga_flag: FPGAControlFlags::NONE,
cpu_flag: CPUControlFlags::NONE,
size: 0,
data: [0x00; 124],
}
}
pub fn mod_initial(&self) -> &ModInitial {
unsafe { std::mem::transmute(&self.data) }
}
pub fn mod_initial_mut(&mut self) -> &mut ModInitial {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn mod_subsequent(&self) -> &ModSubsequent {
unsafe { std::mem::transmute(&self.data) }
}
pub fn mod_subsequent_mut(&mut self) -> &mut ModSubsequent {
unsafe { std::mem::transmute(&mut self.data) }
}
pub fn silencer(&self) -> &SilencerHeader {
unsafe { std::mem::transmute(&self.data) }
}
pub fn silencer_mut(&mut self) -> &mut SilencerHeader {
unsafe { std::mem::transmute(&mut self.data) }
}
}
impl Default for GlobalHeader {
fn default() -> Self {
Self::new()
}
}