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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-04-02 08:31:39 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-04-02 08:31:39 +0000 |
| commit | a84c32523cb971505e03ae73409839637d8706a9 (patch) | |
| tree | 0fbdac64cba70108c3a6106e137cef741e1901ba /os/hal/ports/STM32/LLD/xWDGv1/hal_wdg_lld.h | |
| parent | f905d498c81714e5c846529a441ef6977908d39f (diff) | |
| download | ChibiOS-a84c32523cb971505e03ae73409839637d8706a9.tar.gz ChibiOS-a84c32523cb971505e03ae73409839637d8706a9.tar.bz2 ChibiOS-a84c32523cb971505e03ae73409839637d8706a9.zip | |
STM32 LLD renaming done.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9208 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/ports/STM32/LLD/xWDGv1/hal_wdg_lld.h')
| -rw-r--r-- | os/hal/ports/STM32/LLD/xWDGv1/hal_wdg_lld.h | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/xWDGv1/hal_wdg_lld.h b/os/hal/ports/STM32/LLD/xWDGv1/hal_wdg_lld.h new file mode 100644 index 000000000..056a451c6 --- /dev/null +++ b/os/hal/ports/STM32/LLD/xWDGv1/hal_wdg_lld.h @@ -0,0 +1,183 @@ +/*
+ ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file wdg_lld.h
+ * @brief WDG Driver subsystem low level driver header.
+ *
+ * @addtogroup WDG
+ * @{
+ */
+
+#ifndef _WDG_LLD_H_
+#define _WDG_LLD_H_
+
+#if (HAL_USE_WDG == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name RLR register definitions
+ * @{
+ */
+#define STM32_IWDG_RL_MASK (0x00000FFF << 0)
+#define STM32_IWDG_RL(n) ((n) << 0)
+/** @} */
+
+/**
+ * @name PR register definitions
+ * @{
+ */
+#define STM32_IWDG_PR_MASK (7 << 0)
+#define STM32_IWDG_PR_4 0U
+#define STM32_IWDG_PR_8 1U
+#define STM32_IWDG_PR_16 2U
+#define STM32_IWDG_PR_32 3U
+#define STM32_IWDG_PR_64 4U
+#define STM32_IWDG_PR_128 5U
+#define STM32_IWDG_PR_256 6U
+/** @} */
+
+/**
+ * @name WINR register definitions
+ * @{
+ */
+#define STM32_IWDG_WIN_MASK (0x00000FFF << 0)
+#define STM32_IWDG_WIN(n) ((n) << 0)
+#define STM32_IWDG_WIN_DISABLED STM32_IWDG_WIN(0x00000FFF)
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief IWDG driver enable switch.
+ * @details If set to @p TRUE the support for IWDG is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_WDG_USE_IWDG) || defined(__DOXYGEN__)
+#define STM32_WDG_USE_IWDG FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_WDG_USE_IWDG && !STM32_HAS_IWDG
+#error "IWDG not present in the selected device"
+#endif
+
+#if !STM32_WDG_USE_IWDG
+#error "WDG driver activated but no xWDG peripheral assigned"
+#endif
+
+#if !defined(STM32_LSI_ENABLED)
+#error "STM32_LSI_ENABLED not defined"
+#endif
+
+#if (STM32_WDG_USE_IWDG == TRUE) && (STM32_LSI_ENABLED == FALSE)
+#error "IWDG requires LSI clock"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of a structure representing an WDG driver.
+ */
+typedef struct WDGDriver WDGDriver;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ /**
+ * @brief Configuration of the IWDG_PR register.
+ * @details See the STM32 reference manual for details.
+ */
+ uint32_t pr;
+ /**
+ * @brief Configuration of the IWDG_RLR register.
+ * @details See the STM32 reference manual for details.
+ */
+ uint32_t rlr;
+#if STM32_IWDG_IS_WINDOWED || defined(__DOXYGEN__)
+ /**
+ * @brief Configuration of the IWDG_WINR register.
+ * @details See the STM32 reference manual for details.
+ * @note This field is not present in F1, F2, F4, L1 sub-families.
+ */
+ uint32_t winr;
+#endif
+} WDGConfig;
+
+/**
+ * @brief Structure representing an WDG driver.
+ */
+struct WDGDriver {
+ /**
+ * @brief Driver state.
+ */
+ wdgstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const WDGConfig *config;
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the IWDG registers block.
+ */
+ IWDG_TypeDef *wdg;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_WDG_USE_IWDG && !defined(__DOXYGEN__)
+extern WDGDriver WDGD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void wdg_lld_init(void);
+ void wdg_lld_start(WDGDriver *wdgp);
+ void wdg_lld_stop(WDGDriver *wdgp);
+ void wdg_lld_reset(WDGDriver *wdgp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_WDG == TRUE */
+
+#endif /* _WDG_LLD_H_ */
+
+/** @} */
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