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[UCPD] RXORDSETEN can only be modified when disabled

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This commit is contained in:
Timo Kröger 2024-03-12 22:43:36 +01:00
parent b634f8f511
commit 88d1d38be7
1 changed files with 9 additions and 10 deletions

19
embassy-stm32/src/ucpd.rs
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@ -124,6 +124,14 @@ impl<'d, T: Instance> Ucpd<'d, T> {
// 1.75us * 17 = ~30us
w.set_ifrgap(17 - 1);
// TODO: Currently only hard reset and SOP messages can be received.
// UNDOCUMENTED: This register can only be written while UCPDEN=0 (found by testing).
w.set_rxordseten(0b1001);
// Enable DMA
w.set_txdmaen(true);
w.set_rxdmaen(true);
w.set_ucpden(true);
});
@ -150,15 +158,6 @@ impl<'d, T: Instance> Ucpd<'d, T> {
// TODO: Currently only SOP messages are supported.
r.tx_ordsetr().write(|w| w.set_txordset(0b10001_11000_11000_11000));
r.cfgr1().modify(|w| {
// TODO: Currently only hard reset and SOP messages can be received.
w.set_rxordseten(0b1001);
// Enable DMA
w.set_txdmaen(true);
w.set_rxdmaen(true);
});
// Enable the receiver on one of the two CC lines.
r.cr().modify(|w| {
w.set_phyccsel(cc_sel);
@ -216,7 +215,7 @@ impl<'d, T: Instance> Drop for CcPhy<'d, T> {
impl<'d, T: Instance> CcPhy<'d, T> {
/// Sets the pull-up/pull-down resistor values exposed on the CC pins.
pub fn set_pull(&mut self, cc_pull: CcPull) {
T::REGS.cr().write(|w| {
T::REGS.cr().modify(|w| {
w.set_anamode(if cc_pull == CcPull::Sink {
Anamode::SINK
} else {