embassy_stm32_plus/builder/eth/
mod.rs

1use embassy_stm32::{bind_interrupts, eth, Peripheral};
2use embassy_stm32::eth::{CRSPin, Ethernet, RXD0Pin, PHY};
3use embassy_stm32::peripherals::ETH;
4use crate::builder::eth::pins::{EthCrs, EthRxD0, EthRxD1};
5
6pub mod pins;
7pub mod phy;
8
9bind_interrupts!(struct Irqs {
10    ETH => eth::InterruptHandler;
11});
12
13/// eth once
14struct EthOnce<const TX: usize, const RX: usize, P: PHY> {
15    /// eth device
16    pub eth: ETH,
17    /// eth pin once
18    pub pin_once: pins::EthPinOnce,
19    /// eth phy
20    pub phy: phy::EthPhy<TX, RX, P>,
21}
22
23/// eth builder
24pub struct EthBuilder<const TX: usize, const RX: usize, P: PHY> {
25    /// eth device
26    pub eth: ETH,
27    /// eth pins
28    pub pins: pins::EthPins,
29    /// eth phy
30    pub phy: phy::EthPhy<TX, RX, P>,
31}
32
33/// custom method
34impl<const TX: usize, const RX: usize, P: PHY> EthBuilder<TX, RX, P> {
35    /// create builder
36    #[inline]
37    pub fn new(eth: ETH, pins: pins::EthPins, phy: phy::EthPhy<TX, RX, P>) -> Self {
38        Self { eth, pins, phy }
39    }
40
41    /// build ethernet, more see [Ethernet::new]
42    pub fn build(self) -> Ethernet<'static, ETH, P> {
43        let (crs, rx_d0, rx_d1, eth_once) = self.split();
44        match crs {
45            EthCrs::PA7(pa7) => { Self::build_rx_d0(pa7, rx_d0, rx_d1, eth_once) }
46            #[cfg(PD8)]
47            EthCrs::PD8(pa8) => { Self::build_rx_d0(pa8, rx_d0, rx_d1, eth_once) }
48        }
49    }
50
51    /// build by rx_d0
52    fn build_rx_d0(crs: impl Peripheral<P=impl CRSPin<ETH>> + 'static, rx_d0: EthRxD0, rx_d1: EthRxD1, eth_once: EthOnce<TX, RX, P>)
53                   -> Ethernet<'static, ETH, P> {
54        match rx_d0 {
55            EthRxD0::PC4(pc4) => { Self::build_rx_d1(crs, pc4, rx_d1, eth_once) }
56            #[cfg(PD9)]
57            EthRxD0::PD9(pd9) => { Self::build_rx_d1(crs, pd9, rx_d1, eth_once) }
58        }
59    }
60
61    /// build by rx_d1
62    fn build_rx_d1(
63        crs: impl Peripheral<P=impl CRSPin<ETH>> + 'static,
64        rx_d0: impl Peripheral<P=impl RXD0Pin<ETH>> + 'static,
65        rx_d1: EthRxD1,
66        eth_once: EthOnce<TX, RX, P>,
67    ) -> Ethernet<'static, ETH, P> {
68        let EthOnce { eth, pin_once, phy } = eth_once;
69        match rx_d1 {
70            EthRxD1::PC5(pc5) => { Ethernet::new(phy.queue, eth, Irqs, pin_once.ref_clk, pin_once.mdio, pin_once.mdc, crs, rx_d0, pc5, pin_once.tx_d0, pin_once.tx_d1, pin_once.tx_en, phy.phy, phy.mac_addr) }
71            #[cfg(PD10)]
72            EthRxD1::PD10(pd10) => { Ethernet::new(phy.queue, eth, Irqs, pin_once.ref_clk, pin_once.mdio, pin_once.mdc, crs, rx_d0, pd10, pin_once.tx_d0, pin_once.tx_d1, pin_once.tx_en, phy.phy, phy.mac_addr) }
73        }
74    }
75
76    /// split eth
77    fn split(self) -> (EthCrs, EthRxD0, EthRxD1, EthOnce<TX, RX, P>) {
78        let (crs, rx_d0, rx_d1, pin_once) = self.pins.split();
79        (crs, rx_d0, rx_d1, EthOnce {
80            eth: self.eth,
81            pin_once,
82            phy: self.phy,
83        })
84    }
85}
embassy_stm32_plus/builder/eth/mod.rs

embassy_stm32_plus/builder/eth/
mod.rs
