max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stm32: add H5 support.

Browse Source
This commit is contained in:
Dario Nieuwenhuis
2023-04-06 18:53:51 +02:00
parent 9f28d80977
commit 611d023829
22 changed files with 1390 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
embassy-stm32/src/eth/v2/mod.rs
View File

@ -9,7 +9,7 @@ pub(crate) use self::descriptors::{RDes, RDesRing, TDes, TDesRing};
use super::*;
use crate::gpio::sealed::{AFType, Pin as _};
use crate::gpio::{AnyPin, Speed};
use crate::pac::{ETH, RCC, SYSCFG};
use crate::pac::ETH;
use crate::Peripheral;
const MTU: usize = 1514; // 14 Ethernet header + 1500 IP packet
@ -60,16 +60,33 @@ impl<'d, T: Instance, P: PHY> Ethernet<'d, T, P> {
unsafe {
// Enable the necessary Clocks
// NOTE(unsafe) We have exclusive access to the registers
#[cfg(not(rcc_h5))]
critical_section::with(|_| {
RCC.apb4enr().modify(|w| w.set_syscfgen(true));
RCC.ahb1enr().modify(|w| {
crate::pac::RCC.apb4enr().modify(|w| w.set_syscfgen(true));
crate::pac::RCC.ahb1enr().modify(|w| {
w.set_eth1macen(true);
w.set_eth1txen(true);
w.set_eth1rxen(true);
});
// RMII
SYSCFG.pmcr().modify(|w| w.set_epis(0b100));
crate::pac::SYSCFG.pmcr().modify(|w| w.set_epis(0b100));
});
#[cfg(rcc_h5)]
critical_section::with(|_| {
crate::pac::RCC.apb3enr().modify(|w| w.set_sbsen(true));
crate::pac::RCC.ahb1enr().modify(|w| {
w.set_ethen(true);
w.set_ethtxen(true);
w.set_ethrxen(true);
});
// RMII
crate::pac::SBS
.pmcr()
.modify(|w| w.set_eth_sel_phy(crate::pac::sbs::vals::EthSelPhy::B_0X4));
});
config_pins!(ref_clk, mdio, mdc, crs, rx_d0, rx_d1, tx_d0, tx_d1, tx_en);