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Diffstat (limited to 'lib/stm32/l1/timer.c')
-rw-r--r-- | lib/stm32/l1/timer.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lib/stm32/l1/timer.c b/lib/stm32/l1/timer.c new file mode 100644 index 00000000..053c5015 --- /dev/null +++ b/lib/stm32/l1/timer.c @@ -0,0 +1,59 @@ +/** @defgroup timer_file Timers + +@ingroup STM32L1xx + +@brief <b>libopencm3 STM32L1xx Timers</b> + +@version 1.0.0 + +@date 18 August 2012 + +*/ + +/* + * 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> +#include <libopencm3/stm32/common/timer_common_all.h> + +/*---------------------------------------------------------------------------*/ +/** @brief Set Timer Option + +Set timer options register on TIM2 or TIM3, used for trigger remapping. + +@param[in] timer_peripheral Unsigned int32. Timer register address base +@returns Unsigned int32. Option flags TIM2: @ref tim2_opt_trigger_remap, TIM3: @ref tim3_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 == TIM3) { + TIM_OR(timer_peripheral) &= ~TIM3_OR_ITR2_RMP_MASK; + TIM_OR(timer_peripheral) |= option; + } +} + +/**@}*/ + |