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Fix #1528 HS USB on STM32F7

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gak 2023-06-03 06:59:31 +10:00
parent d414f4e4f7
commit 3539dd7d4c
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1 changed files with 24 additions and 0 deletions
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24
embassy-stm32/src/usb_otg/usb.rs
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@ -828,6 +828,30 @@ impl<'d, T: Instance> embassy_usb_driver::Bus for Bus<'d, T> {
critical_section::with(|_| crate::pac::PWR.cr2().modify(|w| w.set_usv(true)));
}
#[cfg(stm32f7)]
{
// Enable ULPI clock if external PHY is used
let ulpien = !self.phy_type.internal();
critical_section::with(|_| {
crate::pac::RCC.ahb1enr().modify(|w| {
if T::HIGH_SPEED {
w.set_usb_otg_hsulpien(ulpien);
} else {
w.set_usb_otg_hsen(ulpien);
}
});
// Low power mode
crate::pac::RCC.ahb1lpenr().modify(|w| {
if T::HIGH_SPEED {
w.set_usb_otg_hsulpilpen(ulpien);
} else {
w.set_usb_otg_hslpen(ulpien);
}
});
});
}
#[cfg(stm32h7)]
{
// If true, VDD33USB is generated by internal regulator from VDD50USB