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-rw-r--r--lib/stm32/l1/Makefile10
-rw-r--r--lib/stm32/l1/timer.c59
2 files changed, 64 insertions, 5 deletions
diff --git a/lib/stm32/l1/Makefile b/lib/stm32/l1/Makefile
index e081daf..8633016 100644
--- a/lib/stm32/l1/Makefile
+++ b/lib/stm32/l1/Makefile
@@ -32,11 +32,11 @@ CFLAGS = -Os -g \
-ffunction-sections -fdata-sections -MD -DSTM32L1
# ARFLAGS = rcsv
ARFLAGS = rcs
-OBJS = rcc.o desig.o crc.o usart.o exti2.o flash.o timer.o
-OBJS += gpio_common_all.o gpio_common_f24.o spi_common_all.o crc_common_all.o
-OBJS += dac_common_all.o usart_common_all.o iwdg_common_all.o i2c_common_all.o
-OBJS += pwr_common_all.o pwr.o
-OBJS += rtc_common_bcd.o
+OBJS = crc.o desig.o exti2.o flash.o rcc.o usart.o
+OBJS += crc_common_all.o dac_common_all.o gpio_common_all.o
+OBJS += gpio_common_f24.o i2c_common_all.o iwdg_common_all.o
+OBJS += pwr_common_all.o pwr.o rtc_common_bcd.o
+OBJS += spi_common_all.o timer_common_all.o usart_common_all.o
VPATH += ../../usb:../:../../cm3:../common
diff --git a/lib/stm32/l1/timer.c b/lib/stm32/l1/timer.c
new file mode 100644
index 0000000..053c501
--- /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;
+ }
+}
+
+/**@}*/
+