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better function names

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This commit is contained in:
husky 2022-04-19 00:11:39 -07:00
parent 9ede9b1299
commit 1afb95eafb
Signed by: MlCROSOFT
GPG key ID: E00F7FA3381F0647
1 changed files with 16 additions and 16 deletions
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32
src/serial/mod.rs
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@ -58,14 +58,14 @@ pub struct SerialPorts {
}
#[cfg(any(target_arch="x86", target_arch="x86_64"))]
fn outb(port: u16, data: u8) {
fn command(port: u16, data: u8) {
unsafe {
asm!("out dx, al", in("al") data, in("dx") port);
}
}
#[cfg(any(target_arch="x86", target_arch="x86_64"))]
fn inb(port: u16) -> u8 {
fn read(port: u16) -> u8 {
let mut data: u8;
unsafe {
asm!("in al, dx", out("al") data, in("dx") port);
@ -75,17 +75,17 @@ fn inb(port: u16) -> u8 {
impl Port {
fn is_transmit_empty(&self) -> bool {
let status = inb(self.base as u16 + serial_offsets::LINE_STATUS as u16);
let status = read(self.base as u16 + serial_offsets::LINE_STATUS as u16);
status & 0x20 == 0x20
}
pub fn transmit(&self, data: u8) {
while !self.is_transmit_empty() {}
outb(self.base as u16 + serial_offsets::DATA as u16, data);
command(self.base as u16 + serial_offsets::DATA as u16, data);
}
fn is_recv_full(&self) -> bool {
let status = inb(self.base as u16 + serial_offsets::LINE_STATUS as u16);
let status = read(self.base as u16 + serial_offsets::LINE_STATUS as u16);
status & 0x01 == 0x01
}
@ -100,7 +100,7 @@ impl Port {
} else {
while !self.is_recv_full() {}
}
inb(self.base as u16 + serial_offsets::DATA as u16)
read(self.base as u16 + serial_offsets::DATA as u16)
}
pub fn transrecv(&self, data: u8) -> u8 {
@ -111,22 +111,22 @@ impl Port {
pub fn test_port(port: potential_serial_ports) -> bool {
let mut port: u16 = port as u16;
outb(port + serial_offsets::INTERRUPT_ID as u16, 0x00); // disable interrupts
outb(port + serial_offsets::LINE_CTRL as u16, 0x80); // enable DLAB
outb(port + serial_offsets::DATA as u16, 0x03); // set divisor to 3 (lo byte)
outb(port + serial_offsets::LINE_CTRL as u16, 0x03); // set divisor to 3 (hi byte)
outb(port + serial_offsets::FIFO_CTRL as u16, 0xC7); // enable FIFO, clear them, with 14-byte threshold
outb(port + serial_offsets::MODEM_CTRL as u16, 0x0B); // IRQs enabled, RTS/DSR set
outb(port + serial_offsets::MODEM_CTRL as u16, 0x1E); // loopback mode
command(port + serial_offsets::INTERRUPT_ID as u16, 0x00); // disable interrupts
command(port + serial_offsets::LINE_CTRL as u16, 0x80); // enable DLAB
command(port + serial_offsets::DATA as u16, 0x03); // set divisor to 3 (lo byte)
command(port + serial_offsets::LINE_CTRL as u16, 0x03); // set divisor to 3 (hi byte)
command(port + serial_offsets::FIFO_CTRL as u16, 0xC7); // enable FIFO, clear them, with 14-byte threshold
command(port + serial_offsets::MODEM_CTRL as u16, 0x0B); // IRQs enabled, RTS/DSR set
command(port + serial_offsets::MODEM_CTRL as u16, 0x1E); // loopback mode
// test serial
outb(port + serial_offsets::DATA as u16, 0xAE);
command(port + serial_offsets::DATA as u16, 0xAE);
// check if we received the correct byte
if inb(port + serial_offsets::DATA as u16) != 0xAE {
if read(port + serial_offsets::DATA as u16) != 0xAE {
return false;
} else {
// set stuffz idk
outb(port + serial_offsets::MODEM_CTRL as u16, 0x0F);
command(port + serial_offsets::MODEM_CTRL as u16, 0x0F);
return true;
}
}