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use std::fmt;
use std::sync::atomic::{self, AtomicU8};
use crate::consts::*;
const OP_MODE_MSG_ID_MIN: u8 = 0x20;
const OP_MODE_MSG_ID_MAX: u8 = 0xBF;
static MSG_ID: AtomicU8 = AtomicU8::new(OP_MODE_MSG_ID_MIN);
#[repr(u8)]
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum CommandType {
CmdOp = 0x00,
CmdBramWrite = 0x01,
CmdReadCpuVerLsb = 0x02,
CmdReadCpuVerMsb = 0x03,
CmdReadFpgaVerLsb = 0x04,
CmdReadFpgaVerMsb = 0x05,
CmdSeqMode = 0x06,
CmdInitRefClock = 0x07,
CmdCalibSeqClock = 0x08,
CmdClear = 0x09,
}
#[repr(C)]
pub struct RxGlobalHeader {
pub msg_id: u8,
pub ctrl_flag: RxGlobalControlFlags,
pub command: CommandType,
pub mod_size: u8,
pub seq_size: u16,
pub seq_div: u16,
pub(crate) mod_data: [u8; MOD_FRAME_SIZE],
}
bitflags! {
pub struct RxGlobalControlFlags : u8 {
const NONE = 0;
const LOOP_BEGIN = 1;
const LOOP_END = 1 << 1;
const SILENT = 1 << 3;
const FORCE_FAN = 1 << 4;
const SEQ_BEGIN = 1 << 6;
const SEQ_END = 1 << 7;
}
}
impl RxGlobalHeader {
pub fn new_with_cmd(command: CommandType) -> RxGlobalHeader {
RxGlobalHeader {
msg_id: command as u8,
ctrl_flag: RxGlobalControlFlags::NONE,
command,
mod_size: 0,
seq_size: 0,
seq_div: 0,
mod_data: [0x00; MOD_FRAME_SIZE],
}
}
pub fn new_op(ctrl_flag: RxGlobalControlFlags, data: &[u8]) -> RxGlobalHeader {
MSG_ID.fetch_add(1, atomic::Ordering::SeqCst);
MSG_ID.compare_and_swap(
OP_MODE_MSG_ID_MAX + 1,
OP_MODE_MSG_ID_MIN,
atomic::Ordering::SeqCst,
);
let mut data_array = [0x00; MOD_FRAME_SIZE];
data_array[..data.len()].clone_from_slice(&data[..]);
RxGlobalHeader {
msg_id: MSG_ID.load(atomic::Ordering::SeqCst),
ctrl_flag,
command: CommandType::CmdOp,
mod_size: data.len() as u8,
seq_size: 0,
seq_div: 0,
mod_data: data_array,
}
}
pub fn new_seq(ctrl_flag: RxGlobalControlFlags, seq_size: u16, seq_div: u16) -> RxGlobalHeader {
MSG_ID.fetch_add(1, atomic::Ordering::SeqCst);
MSG_ID.compare_and_swap(
OP_MODE_MSG_ID_MAX + 1,
OP_MODE_MSG_ID_MIN,
atomic::Ordering::SeqCst,
);
RxGlobalHeader {
msg_id: MSG_ID.load(atomic::Ordering::SeqCst),
ctrl_flag,
command: CommandType::CmdSeqMode,
mod_size: 0,
seq_size,
seq_div,
mod_data: [0x00; MOD_FRAME_SIZE],
}
}
}
impl fmt::Debug for RxGlobalHeader {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
r"RxGlobalHeader {{
msg_id: {},
ctrl_flag: {:?},
command: {:?},
mod_size: {},
seq_size: {},
seq_div: {},
mod_data: {:?},
}}",
self.msg_id,
self.ctrl_flag,
self.command,
self.mod_size,
self.seq_size,
self.seq_div,
&self.mod_data[..],
)
}
}