Added a template driver, some documentation fixes.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@15238 27425a3e-05d8-49a3-a47f-9c15f0e5edd8
This commit is contained in:
Giovanni Di Sirio
parent
51d0da4eff
commit
2063cec94d
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@ -19,7 +19,7 @@
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/**
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* @file vfs/drivers/drvsfs.c
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* @brief HAL FatFS VFS driver code.
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* @brief SimpleFS VFS driver code.
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*
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* @addtogroup VFS_DRV_SFS
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* @{
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@ -354,7 +354,7 @@ void __drv_sfs_init(void) {
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}
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/**
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* @brief VFS FatFS object initialization.
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* @brief VFS SimpleFS object initialization.
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*
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* @param[out] drvp pointer to a @p vfs_sfs_driver_c structure
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* @param[in] rootname name to be attributed to this object
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@ -83,7 +83,7 @@ struct vfs_sfs_dir_node_vmt {
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};
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/**
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* @brief Type of a FatFS directory VFS node class.
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* @brief Type of a SimpleFS directory VFS node class.
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*/
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typedef struct vfs_sfs_dir_node {
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/**
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@ -114,7 +114,7 @@ struct vfs_sfs_file_node_vmt {
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};
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/**
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* @brief Type of a FatFS file VFS node class.
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* @brief Type of a SimpleFS file VFS node class.
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*/
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typedef struct vfs_sfs_file_node {
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/**
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@ -144,7 +144,7 @@ struct vfs_sfs_driver_vmt {
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};
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/**
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* @brief Type of a VFS FatFS driver class.
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* @brief Type of a VFS SimpleFS driver class.
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*/
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typedef struct vfs_sfs_driver {
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/**
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@ -0,0 +1,376 @@
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/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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ChibiOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file vfs/drivers/drvtemplate.c
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* @brief HAL Template VFS driver code.
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*
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* @addtogroup VFS_DRV_TEMPLATE
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* @{
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*/
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#include "vfs.h"
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#if (VFS_CFG_ENABLE_DRV_TEMPLATE == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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static msg_t drv_open_dir(void *instance,
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const char *path,
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vfs_directory_node_c **vdnpp);
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static msg_t drv_open_file(void *instance,
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const char *path,
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int oflag,
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vfs_file_node_c **vfnpp);
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static const struct vfs_template_driver_vmt driver_vmt = {
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.open_dir = drv_open_dir,
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.open_file = drv_open_file
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};
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static void node_dir_release(void *instance);
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static msg_t node_dir_first(void *instance, vfs_node_info_t *nip);
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static msg_t node_dir_next(void *instance, vfs_node_info_t *nip);
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static const struct vfs_template_dir_node_vmt dir_node_vmt = {
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.release = node_dir_release,
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.dir_first = node_dir_first,
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.dir_next = node_dir_next
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};
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static void node_file_release(void *instance);
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static BaseSequentialStream *node_file_get_stream(void *instance);
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static ssize_t node_file_read(void *instance, uint8_t *buf, size_t n);
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static ssize_t node_file_write(void *instance, const uint8_t *buf, size_t n);
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static msg_t node_file_setpos(void *instance, vfs_offset_t offset);
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static vfs_offset_t node_file_getpos(void *instance);
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static vfs_offset_t node_file_getsize(void *instance);
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static const struct vfs_template_file_node_vmt file_node_vmt = {
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.release = node_file_release,
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.file_get_stream = node_file_get_stream,
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.file_read = node_file_read,
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.file_write = node_file_write,
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.file_setpos = node_file_setpos,
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.file_getpos = node_file_getpos,
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.file_getsize = node_file_getsize
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};
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static size_t file_stream_write(void *instance, const uint8_t *bp, size_t n);
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static size_t file_stream_read(void *instance, uint8_t *bp, size_t n);
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static msg_t file_stream_put(void *instance, uint8_t b);
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static msg_t file_stream_get(void *instance);
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static const struct BaseSequentialStreamVMT file_stream_vmt = {
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.instance_offset = __CH_OFFSETOF(vfs_template_file_node_c, stream.vmt),
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.write = file_stream_write,
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.read = file_stream_read,
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.put = file_stream_put,
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.get = file_stream_get
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};
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/**
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* @brief Static members of @p vfs_template_driver_c.
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*/
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static struct {
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/**
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* @brief Pool of file system objects.
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*/
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memory_pool_t fs_nodes_pool;
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/**
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* @brief Pool of file info objects.
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*/
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memory_pool_t info_nodes_pool;
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/**
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* @brief Pool of directory nodes.
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*/
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memory_pool_t dir_nodes_pool;
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/**
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* @brief Pool of file nodes.
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*/
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memory_pool_t file_nodes_pool;
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/**
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* @brief Static storage of directory nodes.
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*/
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vfs_template_dir_node_c dir_nodes[DRV_CFG_TEMPLATE_DIR_NODES_NUM];
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/**
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* @brief Static storage of file nodes.
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*/
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vfs_template_file_node_c file_nodes[DRV_CFG_TEMPLATE_FILE_NODES_NUM];
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} vfs_template_driver_static;
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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static msg_t drv_open_dir(void *instance,
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const char *path,
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vfs_directory_node_c **vdnpp) {
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msg_t err = VFS_RET_SUCCESS;
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do {
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vfs_template_driver_c *drvp = (vfs_template_driver_c *)instance;
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(void)drvp;
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(void)path;
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(void)vdnpp;
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}
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while (false);
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return err;
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}
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static msg_t drv_open_file(void *instance,
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const char *path,
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int oflag,
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vfs_file_node_c **vfnpp) {
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msg_t err = VFS_RET_SUCCESS;
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do {
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vfs_template_driver_c *drvp = (vfs_template_driver_c *)instance;
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(void)drvp;
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(void)path;
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(void)oflag;
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(void)vfnpp;
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}
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while (false);
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return err;
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}
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static void node_dir_release(void *instance) {
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vfs_template_dir_node_c *dnp = (vfs_template_dir_node_c *)instance;
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__referenced_object_release_impl(instance);
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if (__referenced_object_getref_impl(instance) == 0U) {
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chPoolFree(&vfs_template_driver_static.dir_nodes_pool, (void *)dnp);
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}
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}
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static msg_t node_dir_first(void *instance, vfs_node_info_t *nip) {
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vfs_template_dir_node_c *dnp = (vfs_template_dir_node_c *)instance;
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msg_t err = VFS_RET_SUCCESS;;
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(void)dnp;
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/* TODO rewind */
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err = node_dir_next(instance, nip);
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return err;
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}
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static msg_t node_dir_next(void *instance, vfs_node_info_t *nip) {
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msg_t err = VFS_RET_SUCCESS;
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do {
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vfs_template_dir_node_c *dnp = (vfs_template_dir_node_c *)instance;
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(void)dnp;
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(void)nip;
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}
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while (false);
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return err;
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}
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static void node_file_release(void *instance) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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__referenced_object_release_impl(instance);
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if (__referenced_object_getref_impl(instance) == 0U) {
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chPoolFree(&vfs_template_driver_static.file_nodes_pool, (void *)fnp);
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}
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}
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static BaseSequentialStream *node_file_get_stream(void *instance) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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return &fnp->stream;
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}
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static ssize_t node_file_read(void *instance, uint8_t *buf, size_t n) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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(void)fnp;
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(void)buf;
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(void)n;
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return (ssize_t)0;
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}
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static ssize_t node_file_write(void *instance, const uint8_t *buf, size_t n) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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(void)fnp;
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(void)buf;
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(void)n;
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return (ssize_t)0;
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}
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static msg_t node_file_setpos(void *instance, vfs_offset_t offset) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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(void)fnp;
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(void)offset;
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return VFS_RET_SUCCESS;
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}
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static vfs_offset_t node_file_getpos(void *instance) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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(void)fnp;
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return (vfs_offset_t)0;
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}
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static vfs_offset_t node_file_getsize(void *instance) {
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vfs_template_file_node_c *fnp = (vfs_template_file_node_c *)instance;
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(void)fnp;
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return (vfs_offset_t)0;
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}
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static size_t file_stream_write(void *instance, const uint8_t *bp, size_t n) {
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vfs_template_file_node_c *fnp = objGetInstance(vfs_template_file_node_c *,
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(BaseSequentialStream *)instance);
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msg_t msg;
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msg = fnp->vmt->file_write((void *)fnp, bp, n);
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if (msg < VFS_RET_SUCCESS) {
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return (size_t)0;
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}
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return (size_t)msg;
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}
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static size_t file_stream_read(void *instance, uint8_t *bp, size_t n) {
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vfs_template_file_node_c *fnp = objGetInstance(vfs_template_file_node_c *,
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(BaseSequentialStream *)instance);
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msg_t msg;
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msg = fnp->vmt->file_read((void *)fnp, bp, n);
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if (msg < VFS_RET_SUCCESS) {
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return (size_t)0;
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}
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return (size_t)msg;
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}
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static msg_t file_stream_put(void *instance, uint8_t b) {
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vfs_template_file_node_c *fnp = objGetInstance(vfs_template_file_node_c *,
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(BaseSequentialStream *)instance);
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msg_t msg;
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msg = fnp->vmt->file_write((void *)fnp, &b, (size_t)1);
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if (msg < VFS_RET_SUCCESS) {
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return STM_TIMEOUT;
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}
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return msg;
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}
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static msg_t file_stream_get(void *instance) {
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vfs_template_file_node_c *fnp = objGetInstance(vfs_template_file_node_c *,
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(BaseSequentialStream *)instance);
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msg_t msg;
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uint8_t b;
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msg = fnp->vmt->file_read((void *)fnp, &b, (size_t)1);
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if (msg < VFS_RET_SUCCESS) {
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return STM_TIMEOUT;
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}
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return (msg_t)b;
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}
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/*===========================================================================*/
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/* Module exported functions. */
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/*===========================================================================*/
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/**
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* @brief Module initialization.
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*
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* @notapi
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*/
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void __drv_template_init(void) {
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/* Initializing pools.*/
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chPoolObjectInit(&vfs_template_driver_static.dir_nodes_pool,
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sizeof (vfs_template_dir_node_c),
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chCoreAllocAlignedI);
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chPoolObjectInit(&vfs_template_driver_static.file_nodes_pool,
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sizeof (vfs_template_file_node_c),
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chCoreAllocAlignedI);
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/* Preloading pools.*/
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chPoolLoadArray(&vfs_template_driver_static.dir_nodes_pool,
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&vfs_template_driver_static.dir_nodes[0],
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DRV_CFG_TEMPLATE_DIR_NODES_NUM);
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chPoolLoadArray(&vfs_template_driver_static.file_nodes_pool,
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&vfs_template_driver_static.file_nodes[0],
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DRV_CFG_TEMPLATE_FILE_NODES_NUM);
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}
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/**
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* @brief VFS Template object initialization.
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*
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* @param[out] drvp pointer to a @p vfs_template_driver_c structure
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* @param[in] rootname name to be attributed to this object
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* @return A pointer to this initialized object.
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*
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* @api
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*/
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vfs_driver_c *drvTEMPLATEObjectInit(vfs_template_driver_c *drvp,
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const char *rootname) {
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__base_object_objinit_impl(drvp, &driver_vmt);
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drvp->rootname = rootname;
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return (vfs_driver_c *)drvp;
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}
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#endif /* VFS_CFG_ENABLE_DRV_TEMPLATE == TRUE */
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/** @} */
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@ -0,0 +1,183 @@
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/*
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||||
ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
|
||||
2015,2016,2017,2018,2019,2020,2021 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 version 3 of the License.
|
||||
|
||||
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/>.
|
||||
*/
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/**
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* @file vfs/drivers/drvtemplate.h
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* @brief SimpleFS VFS driver header.
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*
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* @addtogroup VFS_DRV_TEMPLATE
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* @details Simple FS for VFS.
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* @{
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*/
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#ifndef DRVTEMPLATE_H
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#define DRVTEMPLATE_H
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#if (VFS_CFG_ENABLE_DRV_TEMPLATE == TRUE) || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Module constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module pre-compile time settings. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/* Configuration options checks.*/
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#if !defined(DRV_CFG_TEMPLATE_DIR_NODES_NUM)
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#error "DRV_CFG_TEMPLATE_DIR_NODES_NUM not defined in vfsconf.h"
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#endif
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#if !defined(DRV_CFG_TEMPLATE_FILE_NODES_NUM)
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#error "DRV_CFG_TEMPLATE_FILE_NODES_NUM not defined in vfsconf.h"
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#endif
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#if DRV_CFG_TEMPLATE_DIR_NODES_NUM < 1
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#error "invalid value for DRV_CFG_TEMPLATE_DIR_NODES_NUM"
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#endif
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#if DRV_CFG_TEMPLATE_FILE_NODES_NUM < 1
|
||||
#error "invalid value for DRV_CFG_TEMPLATE_FILE_NODES_NUM"
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module data structures and types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_dir_node_c specific methods.
|
||||
*/
|
||||
#define __vfs_template_dir_node_methods \
|
||||
__vfs_directory_node_methods
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_dir_node_c specific data.
|
||||
*/
|
||||
#define __vfs_template_dir_node_data \
|
||||
__vfs_directory_node_data
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_dir_node_c virtual methods table.
|
||||
*/
|
||||
struct vfs_template_dir_node_vmt {
|
||||
__vfs_template_dir_node_methods
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Type of a Template directory VFS node class.
|
||||
*/
|
||||
typedef struct vfs_template_dir_node {
|
||||
/**
|
||||
* @brief Virtual Methods Table.
|
||||
*/
|
||||
const struct vfs_template_dir_node_vmt *vmt;
|
||||
__vfs_template_dir_node_data
|
||||
} vfs_template_dir_node_c;
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_file_node_c specific methods.
|
||||
*/
|
||||
#define __vfs_template_file_node_methods \
|
||||
__vfs_file_node_methods
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_file_node_c specific data.
|
||||
*/
|
||||
#define __vfs_template_file_node_data \
|
||||
__vfs_file_node_data \
|
||||
BaseSequentialStream stream;
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_file_node_c virtual methods table.
|
||||
*/
|
||||
struct vfs_template_file_node_vmt {
|
||||
__vfs_template_file_node_methods
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Type of a Template file VFS node class.
|
||||
*/
|
||||
typedef struct vfs_template_file_node {
|
||||
/**
|
||||
* @brief Virtual Methods Table.
|
||||
*/
|
||||
const struct vfs_template_file_node_vmt *vmt;
|
||||
__vfs_template_file_node_data
|
||||
} vfs_template_file_node_c;
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_driver_c specific methods.
|
||||
*/
|
||||
#define __vfs_template_driver_methods \
|
||||
__vfs_driver_methods
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_driver_c specific data.
|
||||
*/
|
||||
#define __vfs_template_driver_data \
|
||||
__vfs_driver_data
|
||||
|
||||
/**
|
||||
* @brief @p vfs_template_driver_c virtual methods table.
|
||||
*/
|
||||
struct vfs_template_driver_vmt {
|
||||
__vfs_template_driver_methods
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Type of a VFS Template driver class.
|
||||
*/
|
||||
typedef struct vfs_template_driver {
|
||||
/**
|
||||
* @brief Virtual Methods Table.
|
||||
*/
|
||||
const struct vfs_template_driver_vmt *vmt;
|
||||
__vfs_template_driver_data
|
||||
} vfs_template_driver_c;
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
void __drv_template_init(void);
|
||||
vfs_driver_c *drvTEMPLATEObjectInit(vfs_template_driver_c *drvp,
|
||||
const char *rootname);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module inline functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#endif /* VFS_CFG_ENABLE_DRV_TEMPLATE == TRUE */
|
||||
|
||||
#endif /* DRVTEMPLATE_H */
|
||||
|
||||
/** @} */
|
||||
|
|
@ -105,13 +105,21 @@
|
|||
#endif
|
||||
|
||||
/* TODO temporary */
|
||||
#define VFS_CFG_ENABLE_DRV_SFS FALSE
|
||||
#define DRV_CFG_SFS_DIR_NODES_NUM 1
|
||||
#define DRV_CFG_SFS_FILE_NODES_NUM 1
|
||||
#define VFS_CFG_ENABLE_DRV_SFS FALSE
|
||||
#if VFS_CFG_ENABLE_DRV_SFS == TRUE
|
||||
#include "drvsfs.h"
|
||||
#endif
|
||||
|
||||
/* Only for testing, not a real driver.*/
|
||||
#define VFS_CFG_ENABLE_DRV_TEMPLATE FALSE
|
||||
#define DRV_CFG_TEMPLATE_DIR_NODES_NUM 1
|
||||
#define DRV_CFG_TEMPLATE_FILE_NODES_NUM 1
|
||||
#if VFS_CFG_ENABLE_DRV_TEMPLATE == TRUE
|
||||
#include "drvtemplate.h"
|
||||
#endif
|
||||
|
||||
/* Application code is supposed to export this symbol, it is expected to
|
||||
exists.*/
|
||||
extern vfs_driver_c *vfs_root;
|
||||
|
|
|
|||
|
|
@ -3,6 +3,7 @@ VFSSRC := $(CHIBIOS)/os/vfs/src/vfsparser.c \
|
|||
$(CHIBIOS)/os/vfs/src/vfspaths.c \
|
||||
$(CHIBIOS)/os/vfs/src/vfsbuffers.c \
|
||||
$(CHIBIOS)/os/vfs/src/vfs.c \
|
||||
$(CHIBIOS)/os/vfs/drivers/template/drvtemplate.c \
|
||||
$(CHIBIOS)/os/vfs/drivers/sfs/drvsfs.c \
|
||||
$(CHIBIOS)/os/vfs/drivers/fatfs/drvfatfs.c \
|
||||
$(CHIBIOS)/os/vfs/drivers/overlay/drvoverlay.c \
|
||||
|
|
@ -10,6 +11,7 @@ VFSSRC := $(CHIBIOS)/os/vfs/src/vfsparser.c \
|
|||
|
||||
# Required include directories
|
||||
VFSINC := $(CHIBIOS)/os/vfs/include \
|
||||
$(CHIBIOS)/os/vfs/drivers/template \
|
||||
$(CHIBIOS)/os/vfs/drivers/sfs \
|
||||
$(CHIBIOS)/os/vfs/drivers/fatfs \
|
||||
$(CHIBIOS)/os/vfs/drivers/overlay \
|
||||
|
|
|
|||
Loading…
Reference in New Issue