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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-01 17:02:44 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2014-11-01 17:02:44 +0000 |
| commit | e5bbcad788b75bdf7fed603c89f722723ed26f2f (patch) | |
| tree | 43b5c87094919ef16785aaf67cd9736983def06f /os/hal/templates/ext_lld.h | |
| parent | 9a9ccbcd988ded6d2b3f19184f63a0942e2f8e91 (diff) | |
| download | ChibiOS-e5bbcad788b75bdf7fed603c89f722723ed26f2f.tar.gz ChibiOS-e5bbcad788b75bdf7fed603c89f722723ed26f2f.tar.bz2 ChibiOS-e5bbcad788b75bdf7fed603c89f722723ed26f2f.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7449 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/templates/ext_lld.h')
| -rw-r--r-- | os/hal/templates/ext_lld.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/os/hal/templates/ext_lld.h b/os/hal/templates/ext_lld.h new file mode 100644 index 000000000..ca020a7a6 --- /dev/null +++ b/os/hal/templates/ext_lld.h @@ -0,0 +1,149 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2013 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 templates/ext_lld.h
+ * @brief EXT Driver subsystem low level driver header template.
+ *
+ * @addtogroup EXT
+ * @{
+ */
+
+#ifndef _EXT_LLD_H_
+#define _EXT_LLD_H_
+
+#if HAL_USE_EXT || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Available number of EXT channels.
+ */
+#define EXT_MAX_CHANNELS 20
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/**
+ * @brief EXT driver enable switch.
+ * @details If set to @p TRUE the support for EXT1 is included.
+ */
+#if !defined(PLATFORM_EXT_USE_EXT1) || defined(__DOXYGEN__)
+#define PLATFORM_EXT_USE_EXT1 FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief EXT channel identifier.
+ */
+typedef uint32_t expchannel_t;
+
+/**
+ * @brief Type of an EXT generic notification callback.
+ *
+ * @param[in] extp pointer to the @p EXPDriver object triggering the
+ * callback
+ */
+typedef void (*extcallback_t)(EXTDriver *extp, expchannel_t channel);
+
+/**
+ * @brief Channel configuration structure.
+ */
+typedef struct {
+ /**
+ * @brief Channel mode.
+ */
+ uint32_t mode;
+ /**
+ * @brief Channel callback.
+ * @details In the STM32 implementation a @p NULL callback pointer is
+ * valid and configures the channel as an event sources instead
+ * of an interrupt source.
+ */
+ extcallback_t cb;
+} EXTChannelConfig;
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ /**
+ * @brief Channel configurations.
+ */
+ EXTChannelConfig channels[EXT_MAX_CHANNELS];
+ /* End of the mandatory fields.*/
+} EXTConfig;
+
+/**
+ * @brief Structure representing an EXT driver.
+ */
+struct EXTDriver {
+ /**
+ * @brief Driver state.
+ */
+ extstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const EXTConfig *config;
+ /* End of the mandatory fields.*/
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if PLATFORM_EXT_USE_EXT1 && !defined(__DOXYGEN__)
+extern EXTDriver EXTD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void ext_lld_init(void);
+ void ext_lld_start(EXTDriver *extp);
+ void ext_lld_stop(EXTDriver *extp);
+ void ext_lld_channel_enable(EXTDriver *extp, expchannel_t channel);
+ void ext_lld_channel_disable(EXTDriver *extp, expchannel_t channel);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EXT */
+
+#endif /* _EXT_LLD_H_ */
+
+/** @} */
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