wait for timer value to be latched for esp32(c3/c6)

esp-rs · Feb 18, 2024 · 6bacf73 · 6bacf73
1 parent 172d2b8
commit 6bacf73
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/esp-hal/src/timer.rs b/esp-hal/src/timer.rs
@@ -420,8 +420,17 @@ where
     fn now(&self) -> u64 {
         let reg_block = unsafe { &*TG::register_block() };
 
+        #[cfg(not(any(esp32c3, esp32c6)))]
         reg_block.t0update().write(|w| unsafe { w.bits(0) });
 
+        #[cfg(any(esp32c3, esp32c6))]
+        {
+            reg_block
+                .t0update()
+                .write(|w| unsafe { w.update().set_bit() });
+            while reg_block.t0update().read().update().bit_is_set() {}
+        }
+
         let value_lo = reg_block.t0lo().read().bits() as u64;
         let value_hi = (reg_block.t0hi().read().bits() as u64) << 32;