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-rw-r--r--lib/stm32/common/timer_common_f24.c51
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diff --git a/lib/stm32/common/timer_common_f24.c b/lib/stm32/common/timer_common_f24.c
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+/** @addtogroup timer_file
+
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Edward Cheeseman <evbuilder@users.sourceforge.org>
+ * Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**@{*/
+
+#include <libopencm3/stm32/timer.h>
+
+/*---------------------------------------------------------------------------*/
+/** @brief Set Timer Option
+
+Set timer options register on TIM2 or TIM5, used for trigger remapping on TIM2,
+and similarly for TIM5 for oscillator calibration purposes.
+
+@param[in] timer_peripheral Unsigned int32. Timer register address base
+@returns Unsigned int32. Option flags TIM2: @ref tim2_opt_trigger_remap, TIM5: @ref tim5_opt_trigger_remap.
+*/
+
+void timer_set_option(u32 timer_peripheral, u32 option)
+{
+ if (timer_peripheral == TIM2) {
+ TIM_OR(timer_peripheral) &= ~TIM2_OR_ITR1_RMP_MASK;
+ TIM_OR(timer_peripheral) |= option;
+ } else if (timer_peripheral == TIM5) {
+ TIM_OR(timer_peripheral) &= ~TIM5_OR_TI4_RMP_MASK;
+ TIM_OR(timer_peripheral) |= option;
+ }
+}
+/**@}*/
+
+