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use std::fmt;
pub struct FirmwareInfo {
idx: u16,
cpu_version_number: u16,
fpga_version_number: u16,
}
impl FirmwareInfo {
pub fn new(idx: u16, cpu_version_number: u16, fpga_version_number: u16) -> FirmwareInfo {
FirmwareInfo {
idx,
cpu_version_number,
fpga_version_number,
}
}
pub fn cpu_version(&self) -> String {
FirmwareInfo::firmware_version_map(self.cpu_version_number)
}
pub fn fpga_version(&self) -> String {
FirmwareInfo::firmware_version_map(self.fpga_version_number)
}
fn firmware_version_map(version_number: u16) -> String {
match version_number {
0 => "older than v0.4".to_string(),
1 => "v0.4".to_string(),
2 => "v0.5".to_string(),
_ => format!("unknown: {}", version_number),
}
}
}
impl fmt::Display for FirmwareInfo {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
r"{}: CPU = {}, FPGA = {}",
self.idx,
self.cpu_version(),
self.fpga_version()
)
}
}