From e08ea50bf07b6285f5707313ce714b22e2c4cb94 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Sun, 29 May 2022 18:33:48 +0200
Subject: [PATCH] Improve `LowPowerTimer`.

---
 src/lptimer.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/lptimer.rs b/src/lptimer.rs
index 219a5166..e18b00ed 100644
--- a/src/lptimer.rs
+++ b/src/lptimer.rs
@@ -4,6 +4,7 @@ use crate::rcc::{Clocks, Enable, RccBus, Reset, CCIPR};
 use crate::stm32::{LPTIM1, LPTIM2, RCC};
 
 /// Clock sources available for timers
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum ClockSource {
     /// Use PCLK as clock source
     PCLK = 0b00,
@@ -19,6 +20,7 @@ pub enum ClockSource {
 ///
 /// Allow missing docs because the type is self explanatory
 #[allow(missing_docs)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum PreScaler {
     U1 = 0b000,
     U2 = 0b001,
@@ -33,7 +35,7 @@ pub enum PreScaler {
 /// Count modes that are available.
 ///
 /// All ClockSources currently supported require the Internal count mode
-#[derive(PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum CountMode {
     /// Use an internal clock source (which also includes LSE)
     Internal,
@@ -41,6 +43,7 @@ pub enum CountMode {
 }
 
 /// All currently supported interrupt events
+#[derive(Debug, Clone, Copy, PartialEq)]
 pub enum Event {
     /// Occurs when the compare value is the same as the counter value
     CompareMatch,
@@ -293,6 +296,11 @@ macro_rules! hal {
                 self.lptim.cnt.read().bits() as u16
             }
 
+            pub fn count() -> u16 {
+                let lptim = unsafe { &*<$timer_type>::ptr() };
+                lptim.cnt.read().bits() as u16
+            }
+
             /// Get the value of the ARR register for this
             /// LowPowerTimer
             #[inline]