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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-03-23 12:36:05 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2016-03-23 12:36:05 +0000 |
| commit | 4edc5aeca7251e69dfa772dfdd5b2e012375a809 (patch) | |
| tree | a9f08ea6ff30038585aee638fc08cb5f01d948da /os/hal/include/hal_ext.h | |
| parent | f8c7e7e99cc005392dd099be9c3670e8386bd518 (diff) | |
| download | ChibiOS-4edc5aeca7251e69dfa772dfdd5b2e012375a809.tar.gz ChibiOS-4edc5aeca7251e69dfa772dfdd5b2e012375a809.tar.bz2 ChibiOS-4edc5aeca7251e69dfa772dfdd5b2e012375a809.zip | |
Mass renaming of HAL files.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9151 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/include/hal_ext.h')
| -rw-r--r-- | os/hal/include/hal_ext.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/os/hal/include/hal_ext.h b/os/hal/include/hal_ext.h new file mode 100644 index 000000000..282178e79 --- /dev/null +++ b/os/hal/include/hal_ext.h @@ -0,0 +1,150 @@ +/*
+ 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 ext.h
+ * @brief EXT Driver macros and structures.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_H_
+#define _EXT_H_
+
+#if (HAL_USE_EXT == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @name EXT channel modes
+ * @{
+ */
+#define EXT_CH_MODE_EDGES_MASK 3U /**< @brief Mask of edges field. */
+#define EXT_CH_MODE_DISABLED 0U /**< @brief Channel disabled. */
+#define EXT_CH_MODE_RISING_EDGE 1U /**< @brief Rising edge callback. */
+#define EXT_CH_MODE_FALLING_EDGE 2U /**< @brief Falling edge callback. */
+#define EXT_CH_MODE_BOTH_EDGES 3U /**< @brief Both edges callback. */
+
+#define EXT_CH_MODE_AUTOSTART 4U /**< @brief Channel started
+ automatically on driver start. */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+ EXT_UNINIT = 0, /**< Not initialized. */
+ EXT_STOP = 1, /**< Stopped. */
+ EXT_ACTIVE = 2 /**< Active. */
+} extstate_t;
+
+/**
+ * @brief Type of a structure representing a EXT driver.
+ */
+typedef struct EXTDriver EXTDriver;
+
+#include "ext_lld.h"
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/**
+ * @name Macro Functions
+ * @{
+ */
+/**
+ * @brief Enables an EXT channel.
+ *
+ * @param[in] extp pointer to the @p EXTDriver object
+ * @param[in] channel channel to be enabled
+ *
+ * @iclass
+ */
+#define extChannelEnableI(extp, channel) ext_lld_channel_enable(extp, channel)
+
+/**
+ * @brief Disables an EXT channel.
+ *
+ * @param[in] extp pointer to the @p EXTDriver object
+ * @param[in] channel channel to be disabled
+ *
+ * @iclass
+ */
+#define extChannelDisableI(extp, channel) ext_lld_channel_disable(extp, channel)
+
+/**
+ * @brief Changes the operation mode of a channel.
+ * @note This function attempts to write over the current configuration
+ * structure that must have been not declared constant. This
+ * violates the @p const qualifier in @p extStart() but it is
+ * intentional. This function cannot be used if the configuration
+ * structure is declared @p const.
+ *
+ * @param[in] extp pointer to the @p EXTDriver object
+ * @param[in] channel channel to be changed
+ * @param[in] extcp new configuration for the channel
+ *
+ * @api
+ */
+#define extSetChannelMode(extp, channel, extcp) { \
+ osalSysLock(); \
+ extSetChannelModeI(extp, channel, extcp); \
+ osalSysUnlock(); \
+}
+
+/** @} */
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void extInit(void);
+ void extObjectInit(EXTDriver *extp);
+ void extStart(EXTDriver *extp, const EXTConfig *config);
+ void extStop(EXTDriver *extp);
+ void extChannelEnable(EXTDriver *extp, expchannel_t channel);
+ void extChannelDisable(EXTDriver *extp, expchannel_t channel);
+ void extSetChannelModeI(EXTDriver *extp,
+ expchannel_t channel,
+ const EXTChannelConfig *extcp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT == TRUE */
+
+#endif /* _EXT_H_ */
+
+/** @} */
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