aboutsummaryrefslogtreecommitdiff
path: root/lib/stm32/l1/timer.c
blob: 053c5015e41be33e9fbfa0a934b72d165727b47c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
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;
	}
}

/**@}*/