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authorKen Sarkies2012-12-06 02:45:17 +1030
committerKen Sarkies2013-01-08 19:51:49 +1030
commit312d887825325daf7561046bd31e3ec449c7a01c (patch)
treea4b35380ba761fff55efdca3cd021e2295b599dc
parent0878a534cdd91b0d76e98d8cdb207bbe9f7d040a (diff)
IWDG moved to common area
-rw-r--r--include/libopencm3/stm32/common/iwdg_common_all.h109
-rw-r--r--include/libopencm3/stm32/f1/iwdg.h41
-rw-r--r--include/libopencm3/stm32/f2/iwdg.h41
-rw-r--r--include/libopencm3/stm32/f4/iwdg.h41
-rw-r--r--include/libopencm3/stm32/iwdg.h112
-rw-r--r--include/libopencm3/stm32/l1/iwdg.h41
-rw-r--r--lib/stm32/common/iwdg_common_all.c (renamed from lib/stm32/iwdg.c)6
-rw-r--r--lib/stm32/f1/Makefile4
-rw-r--r--lib/stm32/f1/iwdg.c28
-rw-r--r--lib/stm32/f2/Makefile2
-rw-r--r--lib/stm32/f2/iwdg.c28
-rw-r--r--lib/stm32/f4/Makefile2
-rw-r--r--lib/stm32/f4/iwdg.c28
-rw-r--r--lib/stm32/l1/Makefile2
-rw-r--r--lib/stm32/l1/iwdg.c28
15 files changed, 402 insertions, 111 deletions
diff --git a/include/libopencm3/stm32/common/iwdg_common_all.h b/include/libopencm3/stm32/common/iwdg_common_all.h
new file mode 100644
index 0000000..ea2ad16
--- /dev/null
+++ b/include/libopencm3/stm32/common/iwdg_common_all.h
@@ -0,0 +1,109 @@
+/** @addtogroup iwdg_defines */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA IWDG.H */
+
+#ifndef LIBOPENCM3_IWDG_COMMON_ALL_H
+#define LIBOPENCM3_IWDG_COMMON_ALL_H
+
+#include <libopencm3/cm3/common.h>
+
+/**@{*/
+
+/* --- IWDG registers ------------------------------------------------------ */
+
+/* Key Register (IWDG_KR) */
+#define IWDG_KR MMIO32(IWDG_BASE + 0x00)
+
+/* Prescaler register (IWDG_PR) */
+#define IWDG_PR MMIO32(IWDG_BASE + 0x04)
+
+/* Reload register (IWDG_RLR) */
+#define IWDG_RLR MMIO32(IWDG_BASE + 0x08)
+
+/* Status register (IWDG_SR) */
+#define IWDG_SR MMIO32(IWDG_BASE + 0x0c)
+
+/* --- IWDG_KR values ------------------------------------------------------ */
+
+/* Bits [31:16]: Reserved. */
+
+/* KEY[15:0]: Key value (write-only, reads as 0x0000) */
+/** @defgroup iwdg_key IWDG Key Values
+@ingroup STM32F_iwdg_defines
+
+@{*/
+#define IWDG_KR_RESET 0xaaaa
+#define IWDG_KR_UNLOCK 0x5555
+#define IWDG_KR_START 0xcccc
+/**@}*/
+
+/* --- IWDG_PR values ------------------------------------------------------ */
+
+/* Bits [31:3]: Reserved. */
+
+/* PR[2:0]: Prescaler divider */
+#define IWDG_PR_LSB 0
+/** @defgroup iwdg_prediv IWDG Prescaler divider
+@ingroup STM32F_iwdg_defines
+
+@{*/
+#define IWDG_PR_DIV4 0x0
+#define IWDG_PR_DIV8 0x1
+#define IWDG_PR_DIV16 0x2
+#define IWDG_PR_DIV32 0x3
+#define IWDG_PR_DIV64 0x4
+#define IWDG_PR_DIV128 0x5
+#define IWDG_PR_DIV256 0x6
+/**@}*/
+/* Double definition: 0x06 and 0x07 both mean DIV256 as per datasheet. */
+/* #define IWDG_PR_DIV256 0x7 */
+
+/* --- IWDG_RLR values ----------------------------------------------------- */
+
+/* Bits [31:12]: Reserved. */
+
+/* RL[11:0]: Watchdog counter reload value */
+
+/* --- IWDG_SR values ------------------------------------------------------ */
+
+/* Bits [31:2]: Reserved. */
+
+/* RVU: Watchdog counter reload value update */
+#define IWDG_SR_RVU (1 << 1)
+
+/* PVU: Watchdog prescaler value update */
+#define IWDG_SR_PVU (1 << 0)
+
+/* --- IWDG function prototypes---------------------------------------------- */
+
+BEGIN_DECLS
+
+void iwdg_start(void);
+void iwdg_set_period_ms(u32 period);
+bool iwdg_reload_busy(void);
+bool iwdg_prescaler_busy(void);
+void iwdg_reset(void);
+
+END_DECLS
+
+#endif
+/**@}*/
+
diff --git a/include/libopencm3/stm32/f1/iwdg.h b/include/libopencm3/stm32/f1/iwdg.h
new file mode 100644
index 0000000..c8a1e85
--- /dev/null
+++ b/include/libopencm3/stm32/f1/iwdg.h
@@ -0,0 +1,41 @@
+/** @defgroup iwdg_defines IWDG Defines
+
+@brief <b>Defined Constants and Types for the STM32F1xx Independent Watchdog Timer</b>
+
+@ingroup STM32F1xx_defines
+
+@version 1.0.0
+
+@author @htmlonly &copy; @endhtmlonly 2010 Thomas Otto <tommi@viadmin.org>
+
+@date 18 August 2012
+
+LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+#ifndef LIBOPENCM3_IWDG_H
+#define LIBOPENCM3_IWDG_H
+
+#include <libopencm3/stm32/memorymap.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
+#endif
+
diff --git a/include/libopencm3/stm32/f2/iwdg.h b/include/libopencm3/stm32/f2/iwdg.h
new file mode 100644
index 0000000..d15f9a9
--- /dev/null
+++ b/include/libopencm3/stm32/f2/iwdg.h
@@ -0,0 +1,41 @@
+/** @defgroup iwdg_defines IWDG Defines
+
+@brief <b>Defined Constants and Types for the STM32F2xx Independent Watchdog Timer</b>
+
+@ingroup STM32F2xx_defines
+
+@version 1.0.0
+
+@author @htmlonly &copy; @endhtmlonly 2010 Thomas Otto <tommi@viadmin.org>
+
+@date 18 August 2012
+
+LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+#ifndef LIBOPENCM3_IWDG_H
+#define LIBOPENCM3_IWDG_H
+
+#include <libopencm3/stm32/memorymap.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
+#endif
+
diff --git a/include/libopencm3/stm32/f4/iwdg.h b/include/libopencm3/stm32/f4/iwdg.h
new file mode 100644
index 0000000..d5baef4
--- /dev/null
+++ b/include/libopencm3/stm32/f4/iwdg.h
@@ -0,0 +1,41 @@
+/** @defgroup iwdg_defines IWDG Defines
+
+@brief <b>Defined Constants and Types for the STM32F4xx Independent Watchdog Timer</b>
+
+@ingroup STM32F4xx_defines
+
+@version 1.0.0
+
+@author @htmlonly &copy; @endhtmlonly 2010 Thomas Otto <tommi@viadmin.org>
+
+@date 18 August 2012
+
+LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+#ifndef LIBOPENCM3_IWDG_H
+#define LIBOPENCM3_IWDG_H
+
+#include <libopencm3/stm32/memorymap.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
+#endif
+
diff --git a/include/libopencm3/stm32/iwdg.h b/include/libopencm3/stm32/iwdg.h
index 4e44907..60bbd9e 100644
--- a/include/libopencm3/stm32/iwdg.h
+++ b/include/libopencm3/stm32/iwdg.h
@@ -1,22 +1,8 @@
-/** @defgroup STM32F_iwdg_defines IWDG Defines
+/* This provides unification of code over STM32F subfamilies */
-@brief <b>libopencm3 Defined Constants and Types for the STM32F Independent Watchdog Timer</b>
-
-@ingroup STM32F_defines
-
-@version 1.0.0
-
-@author @htmlonly &copy; @endhtmlonly 2010 Thomas Otto <tommi@viadmin.org>
-
-@date 18 August 2012
-
-LGPL License Terms @ref lgpl_license
- */
/*
* This file is part of the libopencm3 project.
*
- * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
- *
* 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
@@ -31,91 +17,15 @@ LGPL License Terms @ref lgpl_license
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
-/**@{*/
-
-#ifndef LIBOPENCM3_IWDG_H
-#define LIBOPENCM3_IWDG_H
-
-#include <libopencm3/stm32/memorymap.h>
-#include <libopencm3/cm3/common.h>
-
-/* --- IWDG registers ------------------------------------------------------ */
-
-/* Key Register (IWDG_KR) */
-#define IWDG_KR MMIO32(IWDG_BASE + 0x00)
-
-/* Prescaler register (IWDG_PR) */
-#define IWDG_PR MMIO32(IWDG_BASE + 0x04)
-
-/* Reload register (IWDG_RLR) */
-#define IWDG_RLR MMIO32(IWDG_BASE + 0x08)
-
-/* Status register (IWDG_SR) */
-#define IWDG_SR MMIO32(IWDG_BASE + 0x0c)
-
-/* --- IWDG_KR values ------------------------------------------------------ */
-
-/* Bits [31:16]: Reserved. */
-
-/* KEY[15:0]: Key value (write-only, reads as 0x0000) */
-/** @defgroup iwdg_key IWDG Key Values
-@ingroup STM32F_iwdg_defines
-
-@{*/
-#define IWDG_KR_RESET 0xaaaa
-#define IWDG_KR_UNLOCK 0x5555
-#define IWDG_KR_START 0xcccc
-/**@}*/
-
-/* --- IWDG_PR values ------------------------------------------------------ */
-
-/* Bits [31:3]: Reserved. */
-
-/* PR[2:0]: Prescaler divider */
-#define IWDG_PR_LSB 0
-/** @defgroup iwdg_prediv IWDG Prescaler divider
-@ingroup STM32F_iwdg_defines
-
-@{*/
-#define IWDG_PR_DIV4 0x0
-#define IWDG_PR_DIV8 0x1
-#define IWDG_PR_DIV16 0x2
-#define IWDG_PR_DIV32 0x3
-#define IWDG_PR_DIV64 0x4
-#define IWDG_PR_DIV128 0x5
-#define IWDG_PR_DIV256 0x6
-/**@}*/
-/* Double definition: 0x06 and 0x07 both mean DIV256 as per datasheet. */
-/* #define IWDG_PR_DIV256 0x7 */
-
-/* --- IWDG_RLR values ----------------------------------------------------- */
-
-/* Bits [31:12]: Reserved. */
-
-/* RL[11:0]: Watchdog counter reload value */
-
-/* --- IWDG_SR values ------------------------------------------------------ */
-
-/* Bits [31:2]: Reserved. */
-
-/* RVU: Watchdog counter reload value update */
-#define IWDG_SR_RVU (1 << 1)
-
-/* PVU: Watchdog prescaler value update */
-#define IWDG_SR_PVU (1 << 0)
-
-/* --- IWDG function prototypes---------------------------------------------- */
-
-BEGIN_DECLS
-
-void iwdg_start(void);
-void iwdg_set_period_ms(u32 period);
-bool iwdg_reload_busy(void);
-bool iwdg_prescaler_busy(void);
-void iwdg_reset(void);
-
-END_DECLS
-
+#if defined(STM32F1)
+# include <libopencm3/stm32/f1/iwdg.h>
+#elif defined(STM32F2)
+# include <libopencm3/stm32/f2/iwdg.h>
+#elif defined(STM32F4)
+# include <libopencm3/stm32/f4/iwdg.h>
+#elif defined(STM32L1)
+# include <libopencm3/stm32/l1/iwdg.h>
+#else
+# error "stm32 family not defined."
#endif
-/**@}*/
diff --git a/include/libopencm3/stm32/l1/iwdg.h b/include/libopencm3/stm32/l1/iwdg.h
new file mode 100644
index 0000000..8ba6c44
--- /dev/null
+++ b/include/libopencm3/stm32/l1/iwdg.h
@@ -0,0 +1,41 @@
+/** @defgroup iwdg_defines IWDG Defines
+
+@brief <b>Defined Constants and Types for the STM32L1xx Independent Watchdog Timer</b>
+
+@ingroup STM32L1xx_defines
+
+@version 1.0.0
+
+@author @htmlonly &copy; @endhtmlonly 2010 Thomas Otto <tommi@viadmin.org>
+
+@date 18 August 2012
+
+LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * Copyright (C) 2010 Thomas Otto <tommi@viadmin.org>
+ *
+ * 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/>.
+ */
+
+#ifndef LIBOPENCM3_IWDG_H
+#define LIBOPENCM3_IWDG_H
+
+#include <libopencm3/stm32/memorymap.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
+#endif
+
diff --git a/lib/stm32/iwdg.c b/lib/stm32/common/iwdg_common_all.c
index 251bec1..d3d9364 100644
--- a/lib/stm32/iwdg.c
+++ b/lib/stm32/common/iwdg_common_all.c
@@ -1,8 +1,4 @@
-/** @defgroup STM32F_iwdg_file IWDG
-
-@ingroup STM32F_files
-
-@brief <b>libopencm3 STM32F1xx Independent Watchdog Timer</b>
+/** @addtogroup iwdg_file
@version 1.0.0
diff --git a/lib/stm32/f1/Makefile b/lib/stm32/f1/Makefile
index 9daec73..e2c4284 100644
--- a/lib/stm32/f1/Makefile
+++ b/lib/stm32/f1/Makefile
@@ -31,10 +31,10 @@ ARFLAGS = rcs
OBJS = rcc.o gpio.o usart.o adc.o flash.o \
rtc.o i2c.o dma.o exti.o ethernet.o \
usb_f103.o usb.o usb_control.o usb_standard.o can.o \
- timer.o usb_f107.o desig.o crc.o iwdg.o pwr.o \
+ timer.o usb_f107.o desig.o crc.o pwr.o \
usb_fx07_common.o \
gpio_common_all.o spi_common_all.o dac_common_all.o \
- usart_common_all.o
+ usart_common_all.o iwdg_common_all.o
VPATH += ../../usb:../:../../cm3:../common
diff --git a/lib/stm32/f1/iwdg.c b/lib/stm32/f1/iwdg.c
new file mode 100644
index 0000000..85cf18c
--- /dev/null
+++ b/lib/stm32/f1/iwdg.c
@@ -0,0 +1,28 @@
+/** @defgroup iwdg_file IWDG
+
+@ingroup STM32F1xx
+
+@brief <b>libopencm3 STM32F1xx Independent Watchdog Timer</b>
+
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * 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/iwdg.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
diff --git a/lib/stm32/f2/Makefile b/lib/stm32/f2/Makefile
index f1324f6..d0b1ac8 100644
--- a/lib/stm32/f2/Makefile
+++ b/lib/stm32/f2/Makefile
@@ -31,7 +31,7 @@ ARFLAGS = rcs
OBJS = rcc.o gpio.o usart.o flash.o \
i2c.o exti2.o timer.o \
gpio_common_all.o gpio_common_f24.o spi_common_all.o dac_common_all.o \
- usart_common_all.o
+ usart_common_all.o iwdg_common_all.o
VPATH += ../../usb:../:../../cm3:../common
diff --git a/lib/stm32/f2/iwdg.c b/lib/stm32/f2/iwdg.c
new file mode 100644
index 0000000..0440d88
--- /dev/null
+++ b/lib/stm32/f2/iwdg.c
@@ -0,0 +1,28 @@
+/** @defgroup iwdg_file IWDG
+
+@ingroup STM32F2xx
+
+@brief <b>libopencm3 STM32F2xx Independent Watchdog Timer</b>
+
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * 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/iwdg.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
diff --git a/lib/stm32/f4/Makefile b/lib/stm32/f4/Makefile
index aa43e1b..dc7db87 100644
--- a/lib/stm32/f4/Makefile
+++ b/lib/stm32/f4/Makefile
@@ -34,7 +34,7 @@ OBJS = rcc.o gpio.o usart.o flash.o \
usb.o usb_standard.o usb_control.o usb_fx07_common.o usb_f107.o \
usb_f207.o adc.o dma.o \
gpio_common_all.o gpio_common_f24.o spi_common_all.o dac_common_all.o \
- usart_common_all.o
+ usart_common_all.o iwdg_common_all.o
VPATH += ../../usb:../:../../cm3:../common
diff --git a/lib/stm32/f4/iwdg.c b/lib/stm32/f4/iwdg.c
new file mode 100644
index 0000000..9332fc4
--- /dev/null
+++ b/lib/stm32/f4/iwdg.c
@@ -0,0 +1,28 @@
+/** @defgroup iwdg_file IWDG
+
+@ingroup STM32F4xx
+
+@brief <b>libopencm3 STM32F4xx Independent Watchdog Timer</b>
+
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * 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/iwdg.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+
diff --git a/lib/stm32/l1/Makefile b/lib/stm32/l1/Makefile
index 6a2b898..c48f5b9 100644
--- a/lib/stm32/l1/Makefile
+++ b/lib/stm32/l1/Makefile
@@ -29,7 +29,7 @@ CFLAGS = -Os -g -Wall -Wextra -I../../../include -fno-common \
# 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 dac_common_all.o usart_common_all.o
+OBJS += gpio_common_all.o gpio_common_f24.o spi_common_all.o dac_common_all.o usart_common_all.o iwdg_common_all.o
OBJS += pwr_chipset.o # TODO, get pwr.o to fix f2/f4 first... pwr.o
VPATH += ../../usb:../:../../cm3:../common
diff --git a/lib/stm32/l1/iwdg.c b/lib/stm32/l1/iwdg.c
new file mode 100644
index 0000000..05ddf04
--- /dev/null
+++ b/lib/stm32/l1/iwdg.c
@@ -0,0 +1,28 @@
+/** @defgroup iwdg_file IWDG
+
+@ingroup STM32L1xx
+
+@brief <b>libopencm3 STM32L1xx Independent Watchdog Timer</b>
+
+*/
+
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * 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/iwdg.h>
+#include <libopencm3/stm32/common/iwdg_common_all.h>
+