timer/low_level: add ability to set master mode

1 files changed, 6 insertions, 1 deletions

diff --git a/embassy-stm32/src/timer/low_level.rs b/embassy-stm32/src/timer/low_level.rs
index 7c02e7e62..82645887e 100644
--- a/embassy-stm32/src/timer/low_level.rs
+++ b/embassy-stm32/src/timer/low_level.rs
@@ -10,7 +10,7 @@ use core::mem::ManuallyDrop;
 
 use embassy_hal_internal::Peri;
 // Re-export useful enums
-pub use stm32_metapac::timer::vals::{FilterValue, Sms as SlaveMode, Ts as TriggerSource};
+pub use stm32_metapac::timer::vals::{FilterValue, Mms as MasterMode, Sms as SlaveMode, Ts as TriggerSource};
 
 use super::*;
 use crate::pac::timer::vals;
@@ -689,6 +689,11 @@ impl<'d, T: GeneralInstance4Channel> Timer<'d, T> {
         self.regs_gp16().dier().modify(|w| w.set_ccde(channel.index(), ccde))
     }
 
+    /// Set Timer Master Mode
+    pub fn set_master_mode(&self, mms: MasterMode) {
+        self.regs_gp16().cr2().modify(|w| w.set_mms(mms));
+    }
+
     /// Set Timer Slave Mode
     pub fn set_slave_mode(&self, sms: SlaveMode) {
         self.regs_gp16().smcr().modify(|r| r.set_sms(sms));