diff options
Diffstat (limited to 'nuttx/drivers/mtd/skeleton.c')
| -rw-r--r-- | nuttx/drivers/mtd/skeleton.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/nuttx/drivers/mtd/skeleton.c b/nuttx/drivers/mtd/skeleton.c index a2fb98238..15ddac1ef 100644 --- a/nuttx/drivers/mtd/skeleton.c +++ b/nuttx/drivers/mtd/skeleton.c @@ -1,7 +1,7 @@ /**************************************************************************** * drivers/mtd/skeleton.c * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -84,11 +84,12 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg); /**************************************************************************** * Private Data ****************************************************************************/ +/* This structure holds the state of the MTD driver */ static struct skel_dev_s g_skeldev = { { skel_erase, skel_rbead, skel_bwrite, skel_read, skel_ioctl }, - /* Initialization of any other implemenation specific data goes here */ + /* Initialization of any other implementation specific data goes here */ }; /**************************************************************************** @@ -97,9 +98,14 @@ static struct skel_dev_s g_skeldev = /**************************************************************************** * Name: skel_erase + * + * Description: + * Erase several blocks, each of the size previously reported. + * ****************************************************************************/ -static int skel_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks) +static int skel_erase(FAR struct mtd_dev_s *dev, off_t startblock, + size_t nblocks) { FAR struct skel_dev_s *priv = (FAR struct skel_dev_s *)dev; @@ -115,6 +121,10 @@ static int skel_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblock /**************************************************************************** * Name: skel_bread + * + * Description: + * Read the specified number of blocks into the user provided buffer. + * ****************************************************************************/ static ssize_t skel_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks, @@ -136,6 +146,10 @@ static ssize_t skel_bread(FAR struct mtd_dev_s *dev, off_t startblock, size_t nb /**************************************************************************** * Name: skel_bwrite + * + * Description: + * Write the specified number of blocks from the user provided buffer. + * ****************************************************************************/ static ssize_t skel_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks, @@ -157,6 +171,10 @@ static ssize_t skel_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t n /**************************************************************************** * Name: skel_read + * + * Description: + * Read the specified number of bytes to the user provided buffer. + * ****************************************************************************/ static ssize_t skel_read(FAR struct mtd_dev_s *dev, off_t offset, size_t nbytes, @@ -197,7 +215,7 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg) { case MTDIOC_GEOMETRY: { - FAR struct mtd_geometry_s *geo = (FARstruct mtd_geometry_s *)arg; + FAR struct mtd_geometry_s *geo = (FAR struct mtd_geometry_s *)arg; if (geo) { /* Populate the geometry structure with information need to know @@ -236,9 +254,9 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg) case MTDIOC_BULKERASE: { - /* Erase the entire device */ + /* Erase the entire device */ - ret = OK; + ret = OK; } break; @@ -265,7 +283,7 @@ static int skel_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg) * ****************************************************************************/ -void skel_initialize(void) +FAR struct mtd_dev_s *skel_initialize(void) { /* Perform initialization as necessary */ |