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little cleanup

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This commit is contained in:
Mateusz Faderewski 2024-09-29 15:16:10 +02:00
parent b54fcad8bc
commit 3b54b6f8bc
1 changed files with 62 additions and 83 deletions
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145
sw/deployer/src/sc64/ff.rs
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@ -47,6 +47,8 @@ mod fatfs {
NotEnoughCore,
TooManyOpenFiles,
InvalidParameter,
DriverInstalled,
DriverNotInstalled,
Unknown,
}
@ -72,6 +74,8 @@ mod fatfs {
Self::NotEnoughCore => "LFN working buffer could not be allocated",
Self::TooManyOpenFiles => "Number of open files > FF_FS_LOCK",
Self::InvalidParameter => "Given parameter is invalid",
Self::DriverInstalled => "FatFs driver is already installed",
Self::DriverNotInstalled => "FatFs driver is not installed",
Self::Unknown => "Unknown error",
})
}
@ -232,31 +236,21 @@ pub fn run<F: FnOnce(&mut FF) -> Result<(), super::Error>>(
}
fn install_driver(driver: impl FFDriver + 'static) -> Result<(), Error> {
match unsafe { DRIVER.lock() } {
Ok(mut d) => {
if d.is_none() {
d.replace(Box::new(driver));
Ok(())
} else {
Err(Error::IntErr)
}
}
Err(_) => Err(Error::IntErr),
let mut d = unsafe { DRIVER.lock().unwrap() };
if d.is_some() {
return Err(Error::DriverInstalled);
}
d.replace(Box::new(driver));
Ok(())
}
fn uninstall_driver() -> Result<(), Error> {
match unsafe { DRIVER.lock() } {
Ok(mut d) => {
if let Some(mut d) = d.take() {
d.deinit();
Ok(())
} else {
Err(Error::IntErr)
}
}
Err(_) => Err(Error::IntErr),
let mut d = unsafe { DRIVER.lock().unwrap() };
if d.is_none() {
return Err(Error::DriverNotInstalled);
}
d.take().unwrap().deinit();
Ok(())
}
pub enum IOCtl {
@ -337,10 +331,8 @@ unsafe extern "C" fn disk_status(pdrv: fatfs::BYTE) -> fatfs::DSTATUS {
if pdrv != 0 {
return fatfs::DSTATUS_STA_NOINIT;
}
if let Ok(mut driver) = DRIVER.lock() {
if let Some(driver) = driver.as_mut() {
return driver.status();
}
if let Some(d) = DRIVER.lock().unwrap().as_mut() {
return d.status();
}
fatfs::DSTATUS_STA_NOINIT
}
@ -350,10 +342,8 @@ unsafe extern "C" fn disk_initialize(pdrv: fatfs::BYTE) -> fatfs::DSTATUS {
if pdrv != 0 {
return fatfs::DSTATUS_STA_NOINIT;
}
if let Ok(mut driver) = DRIVER.lock() {
if let Some(driver) = driver.as_mut() {
return driver.init();
}
if let Some(d) = DRIVER.lock().unwrap().as_mut() {
return d.init();
}
fatfs::DSTATUS_STA_NOINIT
}
@ -368,18 +358,13 @@ unsafe extern "C" fn disk_read(
if pdrv != 0 {
return fatfs::DRESULT_RES_PARERR;
}
if let Ok(mut driver) = DRIVER.lock() {
if let Some(driver) = driver.as_mut() {
return driver.read(
&mut *std::ptr::slice_from_raw_parts_mut(
buff,
(count as usize) * SD_CARD_SECTOR_SIZE,
),
sector,
);
}
if let Some(d) = DRIVER.lock().unwrap().as_mut() {
return d.read(
&mut *std::ptr::slice_from_raw_parts_mut(buff, (count as usize) * SD_CARD_SECTOR_SIZE),
sector,
);
}
fatfs::DRESULT_RES_ERROR
fatfs::DRESULT_RES_NOTRDY
}
#[no_mangle]
@ -392,15 +377,13 @@ unsafe extern "C" fn disk_write(
if pdrv != 0 {
return fatfs::DRESULT_RES_PARERR;
}
if let Ok(mut driver) = DRIVER.lock() {
if let Some(driver) = driver.as_mut() {
return driver.write(
&*std::ptr::slice_from_raw_parts(buff, (count as usize) * SD_CARD_SECTOR_SIZE),
sector,
);
}
if let Some(d) = DRIVER.lock().unwrap().as_mut() {
return d.write(
&*std::ptr::slice_from_raw_parts(buff, (count as usize) * SD_CARD_SECTOR_SIZE),
sector,
);
}
fatfs::DRESULT_RES_ERROR
fatfs::DRESULT_RES_NOTRDY
}
#[no_mangle]
@ -420,27 +403,25 @@ unsafe extern "C" fn disk_ioctl(
fatfs::CTRL_TRIM => IOCtl::Trim,
_ => return fatfs::DRESULT_RES_PARERR,
};
if let Ok(mut driver) = DRIVER.lock() {
if let Some(driver) = driver.as_mut() {
let result = driver.ioctl(&mut ioctl);
if result == fatfs::DRESULT_RES_OK {
match ioctl {
IOCtl::GetSectorCount(count) => {
buff.copy_from(std::ptr::addr_of!(count).cast(), size_of_val(&count))
}
IOCtl::GetSectorSize(size) => {
buff.copy_from(std::ptr::addr_of!(size).cast(), size_of_val(&size))
}
IOCtl::GetBlockSize(size) => {
buff.copy_from(std::ptr::addr_of!(size).cast(), size_of_val(&size))
}
_ => {}
if let Some(d) = DRIVER.lock().unwrap().as_mut() {
let result = d.ioctl(&mut ioctl);
if result == fatfs::DRESULT_RES_OK {
match ioctl {
IOCtl::GetSectorCount(count) => {
buff.copy_from(std::ptr::addr_of!(count).cast(), size_of_val(&count))
}
IOCtl::GetSectorSize(size) => {
buff.copy_from(std::ptr::addr_of!(size).cast(), size_of_val(&size))
}
IOCtl::GetBlockSize(size) => {
buff.copy_from(std::ptr::addr_of!(size).cast(), size_of_val(&size))
}
_ => {}
}
return result;
}
return result;
}
fatfs::DRESULT_RES_ERROR
fatfs::DRESULT_RES_NOTRDY
}
#[no_mangle]
@ -485,28 +466,26 @@ impl PartialOrd for EntryInfo {
impl std::fmt::Display for EntryInfo {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let size_formatter = |size: u64| -> String {
const UNITS: [&str; 4] = ["K", "M", "G", "T"];
let mut reduced_size = size as f64;
let mut reduced_unit = "B";
for unit in UNITS {
if reduced_size >= 1000.0 {
reduced_size /= 1024.0;
reduced_unit = unit;
} else {
break;
}
}
if size >= 1000 && reduced_size <= 9.9 {
format!("{:>1.1}{}", reduced_size, reduced_unit)
} else {
format!("{:>3.0}{}", reduced_size, reduced_unit)
}
};
Ok(match self {
EntryInfo::Directory => f.write_fmt(format_args!("d ----",))?,
EntryInfo::File { size } => {
f.write_fmt(format_args!("f {}", size_formatter(*size),))?
const UNITS: [&str; 4] = ["K", "M", "G", "T"];
let mut reduced_size = *size as f64;
let mut reduced_unit = "B";
for unit in UNITS {
if reduced_size >= 1000.0 {
reduced_size /= 1024.0;
reduced_unit = unit;
} else {
break;
}
}
let formatted_size = if *size >= 1000 && reduced_size <= 9.9 {
format!("{:>1.1}{}", reduced_size, reduced_unit)
} else {
format!("{:>3.0}{}", reduced_size, reduced_unit)
};
f.write_fmt(format_args!("f {formatted_size}"))?
}
})
}