use crate::bus::Bus;
use crate::register::socketn;
use embedded_nal::Ipv4Addr;
pub struct Socket {
pub index: u8,
register: u8,
tx_buffer: u8,
rx_buffer: u8,
}
impl Socket {
pub fn new(index: u8) -> Self {
let block = index * 4;
Socket {
index,
register: block + 1,
tx_buffer: block + 2,
rx_buffer: block + 3,
}
}
pub fn register(&self) -> u8 {
self.register
}
pub fn tx_buffer(&self) -> u8 {
self.tx_buffer
}
pub fn rx_buffer(&self) -> u8 {
self.rx_buffer
}
pub fn set_mode<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
mode: socketn::Protocol,
) -> Result<(), SpiBus::Error> {
let mode = [mode as u8];
bus.write_frame(self.register(), socketn::MODE, &mode)?;
Ok(())
}
pub fn get_status<SpiBus: Bus>(&self, bus: &mut SpiBus) -> Result<u8, SpiBus::Error> {
let mut data = [0u8];
bus.read_frame(self.register(), socketn::STATUS, &mut data)?;
Ok(data[0])
}
pub fn reset_interrupt<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
code: socketn::Interrupt,
) -> Result<(), SpiBus::Error> {
let data = [code as u8];
bus.write_frame(self.register(), socketn::INTERRUPT, &data)?;
Ok(())
}
pub fn has_interrupt<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
code: socketn::Interrupt,
) -> Result<bool, SpiBus::Error> {
let mut data = [0u8];
bus.read_frame(self.register(), socketn::INTERRUPT, &mut data)?;
Ok(data[0] & code as u8 != 0)
}
pub fn set_source_port<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
port: u16,
) -> Result<(), SpiBus::Error> {
let data = port.to_be_bytes();
bus.write_frame(self.register(), socketn::SOURCE_PORT, &data)?;
Ok(())
}
pub fn set_destination_ip<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
ip: Ipv4Addr,
) -> Result<(), SpiBus::Error> {
let data = ip.octets();
bus.write_frame(self.register(), socketn::DESTINATION_IP, &data)?;
Ok(())
}
pub fn set_destination_port<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
port: u16,
) -> Result<(), SpiBus::Error> {
let data = port.to_be_bytes();
bus.write_frame(self.register(), socketn::DESTINATION_PORT, &data)?;
Ok(())
}
pub fn get_tx_read_pointer<SpiBus: Bus>(&self, bus: &mut SpiBus) -> Result<u16, SpiBus::Error> {
let mut data = [0u8; 2];
bus.read_frame(self.register(), socketn::TX_DATA_READ_POINTER, &mut data)?;
Ok(u16::from_be_bytes(data))
}
pub fn set_tx_read_pointer<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
pointer: u16,
) -> Result<(), SpiBus::Error> {
let data = pointer.to_be_bytes();
bus.write_frame(self.register(), socketn::TX_DATA_READ_POINTER, &data)?;
Ok(())
}
pub fn get_tx_write_pointer<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
) -> Result<u16, SpiBus::Error> {
let mut data = [0u8; 2];
bus.read_frame(self.register(), socketn::TX_DATA_WRITE_POINTER, &mut data)?;
Ok(u16::from_be_bytes(data))
}
pub fn set_tx_write_pointer<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
pointer: u16,
) -> Result<(), SpiBus::Error> {
let data = pointer.to_be_bytes();
bus.write_frame(self.register(), socketn::TX_DATA_WRITE_POINTER, &data)?;
Ok(())
}
pub fn get_rx_read_pointer<SpiBus: Bus>(&self, bus: &mut SpiBus) -> Result<u16, SpiBus::Error> {
let mut data = [0u8; 2];
bus.read_frame(self.register(), socketn::RX_DATA_READ_POINTER, &mut data)?;
Ok(u16::from_be_bytes(data))
}
pub fn set_rx_read_pointer<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
pointer: u16,
) -> Result<(), SpiBus::Error> {
let data = pointer.to_be_bytes();
bus.write_frame(self.register(), socketn::RX_DATA_READ_POINTER, &data)?;
Ok(())
}
pub fn set_interrupt_mask<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
mask: u8,
) -> Result<(), SpiBus::Error> {
let data = [mask];
bus.write_frame(self.register(), socketn::INTERRUPT_MASK, &data)?;
Ok(())
}
pub fn command<SpiBus: Bus>(
&self,
bus: &mut SpiBus,
command: socketn::Command,
) -> Result<(), SpiBus::Error> {
let data = [command as u8];
bus.write_frame(self.register(), socketn::COMMAND, &data)?;
Ok(())
}
pub fn get_receive_size<SpiBus: Bus>(&self, bus: &mut SpiBus) -> Result<u16, SpiBus::Error> {
loop {
let mut sample_0 = [0u8; 2];
bus.read_frame(self.register(), socketn::RECEIVED_SIZE, &mut sample_0)?;
let mut sample_1 = [0u8; 2];
bus.read_frame(self.register(), socketn::RECEIVED_SIZE, &mut sample_1)?;
if sample_0 == sample_1 {
break Ok(u16::from_be_bytes(sample_0));
}
}
}
pub fn get_tx_free_size<SpiBus: Bus>(&self, bus: &mut SpiBus) -> Result<u16, SpiBus::Error> {
let mut data = [0; 2];
bus.read_frame(self.register(), socketn::TX_FREE_SIZE, &mut data)?;
Ok(u16::from_be_bytes(data))
}
}