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authorGiovanni Di Sirio <gdisirio@gmail.com>2016-05-09 11:59:51 +0000
committerGiovanni Di Sirio <gdisirio@gmail.com>2016-05-09 11:59:51 +0000
commit0deff4750e9aa70a01c5c7db6aeb3f32024df352 (patch)
tree8fbbf5dbc07706f7c571629eb536987598554a8f /os/ex
parentf0d90404d995f4a023be047e7d431c81ff56ed5a (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9455 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/ex')
-rw-r--r--os/ex/Micron/n25q128.h4
-rw-r--r--os/ex/subsystems/mfs/mfs.c104
-rw-r--r--os/ex/subsystems/mfs/mfs.h111
-rw-r--r--os/ex/subsystems/mfs/mfs.mk5
4 files changed, 222 insertions, 2 deletions
diff --git a/os/ex/Micron/n25q128.h b/os/ex/Micron/n25q128.h
index bcd1ff97b..9ae12f1bd 100644
--- a/os/ex/Micron/n25q128.h
+++ b/os/ex/Micron/n25q128.h
@@ -137,11 +137,11 @@
*/
typedef struct {
/**
- * @brief SPI driver associated to this L3GD20.
+ * @brief SPI driver associated to this L3GD20.
*/
SPIDriver *spip;
/**
- * @brief SPI configuration associated to this L3GD20.
+ * @brief SPI configuration associated to this L3GD20.
*/
const SPIConfig *spicfg;
} N25Q128Config;
diff --git a/os/ex/subsystems/mfs/mfs.c b/os/ex/subsystems/mfs/mfs.c
new file mode 100644
index 000000000..7380c34a3
--- /dev/null
+++ b/os/ex/subsystems/mfs/mfs.c
@@ -0,0 +1,104 @@
+/*
+ Managed Flash Storage - Copyright (C) 2016 Giovanni Di Sirio
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file mfs.c
+ * @brief Managed Flash Storage module code.
+ *
+ * @addtogroup mfs
+ * @{
+ */
+
+#include "hal.h"
+
+#include "mfs.h"
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Initializes an instance.
+ *
+ * @param[out] devp pointer to the @p MFSDriver object
+ *
+ * @init
+ */
+void mfsObjectInit(MFSDriver *devp) {
+
+ osalDbgCheck(devp != NULL);
+
+ devp->state = MFS_STOP;
+ devp->config = NULL;
+}
+
+/**
+ * @brief Configures and activates a MFS driver.
+ *
+ * @param[in] devp pointer to the @p MFSDriver object
+ * @param[in] config pointer to the configuration
+ *
+ * @api
+ */
+void mfsStart(MFSDriver *devp, const MFSConfig *config) {
+
+ osalDbgCheck((devp != NULL) && (config != NULL));
+ osalDbgAssert(devp->state != MFS_UNINIT, "invalid state");
+
+ if (devp->state == MFS_STOP) {
+
+ devp->state = MFS_READY;
+ }
+}
+
+/**
+ * @brief Deactivates a MFS driver.
+ *
+ * @param[in] devp pointer to the @p MFSDriver object
+ *
+ * @api
+ */
+void mfsStop(MFSDriver *devp) {
+
+ osalDbgCheck(devp != NULL);
+ osalDbgAssert(devp->state != MFS_UNINIT, "invalid state");
+
+ if (devp->state != MFS_STOP) {
+
+ devp->state = MFS_STOP;
+ }
+}
+
+/** @} */
diff --git a/os/ex/subsystems/mfs/mfs.h b/os/ex/subsystems/mfs/mfs.h
new file mode 100644
index 000000000..a47c25c47
--- /dev/null
+++ b/os/ex/subsystems/mfs/mfs.h
@@ -0,0 +1,111 @@
+/*
+ Managed Flash Storage - Copyright (C) 2016 Giovanni Di Sirio
+
+ This file is part of ChibiOS.
+
+ ChibiOS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file mfs.h
+ * @brief Managed Flash Storage module header.
+ *
+ * @{
+ */
+
+#ifndef MFS_H
+#define MFS_H
+
+#include "hal_flash.h"
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Driver state machine possible states.
+ */
+typedef enum {
+ MFS_UNINIT = 0,
+ MFS_STOP = 1,
+ MFS_READY = 2,
+ MFS_ACTIVE = 3
+} mfs_state_t;
+
+/**
+ * @brief Type of a MFS configuration structure.
+ */
+typedef struct {
+ /**
+ * @brief Flash driver associated to this MFS instance.
+ */
+ BaseFlash *flashp;
+} MFSConfig;
+
+/**
+ * @extends BaseFlash
+ *
+ * @brief Type of an MFS instance.
+ */
+typedef struct {
+ /**
+ * @brief Driver state.
+ */
+ mfs_state_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const MFSConfig *config;
+} MFSDriver;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void mfsObjectInit(MFSDriver *devp);
+ void mfsStart(MFSDriver *devp, const MFSConfig *config);
+ void mfsStop(MFSDriver *devp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MFS_H */
+
+/** @} */
+
diff --git a/os/ex/subsystems/mfs/mfs.mk b/os/ex/subsystems/mfs/mfs.mk
new file mode 100644
index 000000000..488977e70
--- /dev/null
+++ b/os/ex/subsystems/mfs/mfs.mk
@@ -0,0 +1,5 @@
+# List of all the MFS subsystem files.
+MFSSRC := $(CHIBIOS)/os/ex/subsystems/mfs/mfs.c
+
+# Required include directories
+MFSINC := $(CHIBIOS)/os/ex/subsystems/mfs \ No newline at end of file