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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-11-18 08:51:22 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-11-18 08:51:22 +0000 |
| commit | 7c77845aa765b51b4026749bc4439bb100cc722a (patch) | |
| tree | a8308596b689230a9608e7d5a82bc5cd0afd30c5 /os/hal/ports/STM32/LLD/EXTIv1/stm32_exti.h | |
| parent | db6f9df412a254fc12cee430830d8e79e7f36409 (diff) | |
| download | ChibiOS-7c77845aa765b51b4026749bc4439bb100cc722a.tar.gz ChibiOS-7c77845aa765b51b4026749bc4439bb100cc722a.tar.bz2 ChibiOS-7c77845aa765b51b4026749bc4439bb100cc722a.zip | |
EXTI driver.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12432 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os/hal/ports/STM32/LLD/EXTIv1/stm32_exti.h')
| -rw-r--r-- | os/hal/ports/STM32/LLD/EXTIv1/stm32_exti.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/EXTIv1/stm32_exti.h b/os/hal/ports/STM32/LLD/EXTIv1/stm32_exti.h new file mode 100644 index 000000000..bd1f53222 --- /dev/null +++ b/os/hal/ports/STM32/LLD/EXTIv1/stm32_exti.h @@ -0,0 +1,112 @@ +/*
+ ChibiOS - Copyright (C) 2006..2018 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 EXTIv1/stm32_exti.h
+ * @brief EXTI helper driver header.
+ *
+ * @addtogroup STM32_EXTI
+ * @{
+ */
+
+#ifndef STM32_EXTI_H
+#define STM32_EXTI_H
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name EXTI channel modes
+ * @{
+ */
+#define EXTI_MODE_MASK 7U /**< @brief Mode parameter mask. */
+#define EXTI_MODE_EDGES_MASK 3U /**< @brief Edges field mask. */
+#define EXTI_MODE_DISABLED 0U /**< @brief Channel disabled. */
+#define EXTI_MODE_RISING_EDGE 1U /**< @brief Rising edge callback. */
+#define EXTI_MODE_FALLING_EDGE 2U /**< @brief Falling edge callback. */
+#define EXTI_MODE_BOTH_EDGES 3U /**< @brief Both edges callback. */
+#define EXTI_MODE_ACTION_MASK 4U /**< @brief Action field mask. */
+#define EXTI_MODE_ACTION_INTERRUPT 0U /**< @brief Interrupt mode. */
+#define EXTI_MODE_ACTION_EVENT 4U /**< @brief Event mode. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if !defined(STM32_EXTI_NUM_LINES)
+#error "STM32_EXTI_NUM_LINES not defined in registry"
+#endif
+
+#if (STM32_EXTI_NUM_LINES < 0) || (STM32_EXTI_NUM_LINES > 63)
+#error "invalid STM32_EXTI_NUM_LINES value"
+#endif
+
+#if !defined(STM32_EXTI_IMR1_MASK)
+#error "STM32_EXTI_IMR1_MASK not defined in registry"
+#endif
+
+#if STM32_EXTI_NUM_LINES > 32
+#if !defined(STM32_EXTI_IMR2_MASK)
+#error "STM32_EXTI_IMR2_MASK not defined in registry"
+#endif
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of an EXTI line identifier.
+ */
+typedef uint32_t extiline_t;
+
+/**
+ * @brief Type of an EXTI line mode.
+ */
+typedef uint32_t extimode_t;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void extiEnableGroup1(uint32_t mask, extimode_t mode);
+ void extiClearGroup1(uint32_t mask);
+#if (STM32_EXTI_NUM_LINES > 32) || defined(__DOXYGEN__)
+ void extiEnableGroup2(uint32_t mask, extimode_t mode);
+ void extiClearGroup2(uint32_t mask);
+#endif /* STM32_EXTI_NUM_LINES > 32 */
+ void extiEnableLine(extiline_t line, extimode_t mode);
+ void extiClearLine(extiline_t line);
+ #ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32_EXTI_H */
+
+/** @} */
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