From f97273f8ae176c1a22d6d5948825c8362d4e4525 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sun, 14 Jul 2019 20:49:41 +0200
Subject: [PATCH] Library: Extended timer functions

---
 lib/ext-timer.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 lib/ext-timer.h

diff --git a/lib/ext-timer.h b/lib/ext-timer.h
new file mode 100644
index 0000000..e05736f
--- /dev/null
+++ b/lib/ext-timer.h
@@ -0,0 +1,27 @@
+/*
+ *	Timer Functions Missing from LibOpenCM3
+ *
+ *	(c) 2019 Martin Mareš <mj@ucw.cz>
+ */
+
+#ifndef _EXT_TIMER_H
+#define _EXT_TIMER_H
+
+#include <libopencm3/stm32/timer.h>
+
+static inline bool timer_is_counter_enabled(u32 timer)
+{
+	return TIM_CR1(timer) & TIM_CR1_CEN;
+}
+
+static inline void timer_enable_dma_cc1(u32 timer)
+{
+	TIM_DIER(timer) |= TIM_DIER_CC1DE;
+}
+
+static inline void timer_disable_dma_cc1(u32 timer)
+{
+	TIM_DIER(timer) &= ~TIM_DIER_CC1DE;
+}
+
+#endif
-- 
2.39.2