mirror of
https://github.com/apache/nuttx.git
synced 2026-05-22 05:42:05 +08:00
MMC/SD support
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1042 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
@@ -0,0 +1,42 @@
|
||||
############################################################################
|
||||
# drivers/mmcsd/Make.defs
|
||||
#
|
||||
# Copyright (C) 2008 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
#
|
||||
# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
#
|
||||
# 1. Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
# 2. Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in
|
||||
# the documentation and/or other materials provided with the
|
||||
# distribution.
|
||||
# 3. Neither the name NuttX nor the names of its contributors may be
|
||||
# used to endorse or promote products derived from this software
|
||||
# without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGE.
|
||||
#
|
||||
############################################################################
|
||||
|
||||
MMCSD_ASRCS =
|
||||
MMCSD_CSRCS =
|
||||
|
||||
ifneq ($(CONFIG_DISABLE_MOUNTPOINT),y)
|
||||
MMCSD_CSRCS += mmcsd_spi.c
|
||||
endif
|
||||
|
||||
@@ -0,0 +1,424 @@
|
||||
/****************************************************************************
|
||||
* drivers/mmcsd/mmcsd_csd.h
|
||||
*
|
||||
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __DRIVERS_MMCSD_MMCSD_CSD_H
|
||||
#define __DRIVERS_MMCSD_MMCSD_CSD_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* CSD **********************************************************************/
|
||||
|
||||
/* The CSD is a 16 byte, / 128-bit packed structure. The following macros
|
||||
* can be used to extract each packed field from the CSD. Two types of
|
||||
* macros are supported, selected by CONFIG_MMCSD_BE16: (1) byte data (with
|
||||
* MS byte first), or (2) 16-bit big-endian data (with MS hword first).
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_MMCSD_BE16
|
||||
|
||||
/* CSD_STRUCTURE 126-127 */
|
||||
|
||||
#define MMCSD_CSD_CSDSTRUCT(csd) (csd[0] >> 14)
|
||||
|
||||
/* SPEC_VERS 122-125 = (word 0, bits 13:10) (MMC) Spec version */
|
||||
|
||||
#define MMC_CSD_SPECVERS(csd) ((csd[0] >> 10) & 0x0f)
|
||||
|
||||
/* Reserved 120-155 */
|
||||
|
||||
/* TAAC 112-119 = Data read access-time-1
|
||||
* TIME_VALUE 3-6 = Time mantissa
|
||||
* TIME_UNIT 0-2 = Time exponent
|
||||
*/
|
||||
|
||||
#define MMCSD_CSD_TAAC_TIMEVALUE(csd) ((csd[0] >> 3) & 0x0f)
|
||||
#define MMCSD_CSD_TAAC_TIMEUNIT(csd) (csd[0] & 7)
|
||||
|
||||
/* NSAC 111:104 = Data read access-time-2 in CLK cycle(NSAC*100) */
|
||||
|
||||
#define MMCSD_CSD_NSAC(csd) (csd[1] >> 8)
|
||||
|
||||
/* TRAN_SPEED 96-103 = Max. data transfer rate
|
||||
* TIME_VALUE 3-6 = Rate exponent
|
||||
* TRANSFER_RATE_UNIT 0-2 = Rate mantissa
|
||||
*/
|
||||
|
||||
#define MMCSD_CSD_TRANSPEED_TIMEVALUE(csd) ((csd[1] >> 3) & 0x0f)
|
||||
#define MMCSD_CSD_TRANSPEED_TRANSFERRATEUNIT(csd) (csd[1] & 7)
|
||||
|
||||
/* CCC 84-95 = Card command classes */
|
||||
|
||||
#define MMCSD_CSD_CCC(csd) ((csd[2] >> 4) & 0x0fff)
|
||||
|
||||
/* READ_BL_LEN 80-83 = Max. read data block length */
|
||||
|
||||
#define MMCSD_CSD_READBLLEN(csd) (csd[2] & 0x0f)
|
||||
|
||||
/* READ_BL_PARTIAL 79-79 = Partial blocks for read allowed */
|
||||
|
||||
#define MMCSD_CSD_READBLPARTIAL(csd) (csd[3] >> 15)
|
||||
|
||||
/* WRITE_BLK_MISALIGN 78-78 = Write block misalignment */
|
||||
|
||||
#define MMCSD_CSD_WRITEBLKMISALIN(csd) ((csd[3] >> 14) & 1)
|
||||
|
||||
/* READ_BLK_MISALIGN 77:77 = Read block misalignment */
|
||||
|
||||
#define MMCSD_CSD_READBLKMISALIN(csd) ((csd[3] >> 13) & 1)
|
||||
|
||||
/* DSR_IMP 76-76 = DSR implemented */
|
||||
|
||||
#define MMCSD_CSD_DSRIMP(csd) ((csd[3] >> 12) & 1)
|
||||
|
||||
/* C_SIZE 62-73 Device size */
|
||||
|
||||
#define MMCSD_CSD_CSIZE(csd) (((csd[3] & 0x03ff) << 2) | ((csd[4] >> 14) & 3))
|
||||
|
||||
/* VDD_R_CURR_MIN 59-61 = Max. read current at Vcc min */
|
||||
|
||||
#define MMCSD_CSD_VDDRCURRMIN(csd) ((csd[4] >> 11) & 7)
|
||||
|
||||
/* VDD_R_CURR_MAX 56-58 = Max. read current at Vcc max */
|
||||
|
||||
#define MMCSD_CSD_VDDRCURRMAX(csd) ((csd[4] >> 8) & 7)
|
||||
|
||||
/* VDD_W_CURR_MIN 53-55 = Max. write current at Vcc min */
|
||||
|
||||
#define MMCSD_CSD_VDDWCURRMIN(csd) ((csd[4] >> 5) & 7)
|
||||
|
||||
/* VDD_W_CURR_MAX 50-52 = Max. write current at Vcc max */
|
||||
|
||||
#define MMCSD_CSD_VDDWCURRMAX(csd) ((csd[4] >> 2) & 7)
|
||||
|
||||
/* C_SIZE_MULT 47-49 Device size multiplier */
|
||||
|
||||
#define MMCSD_CSD_CSIZEMULT(csd) (((csd[4] & 3) << 1) | (csd[5] >> 15))
|
||||
|
||||
/* ER_BLK_EN 46-46 =Erase single block enable (SD) */
|
||||
|
||||
#define SD_CSD_SDERBLKEN(csd) ((csd[5] >> 14) & 1)
|
||||
|
||||
/* SECTOR_SIZE 39-45 = Erase sector size (SD) */
|
||||
|
||||
#define SD_CSD_SECTORSIZE(csd) ((csd[5] >> 7) & 0x7f)
|
||||
|
||||
/* SECTOR_SIZE 42-46 = Erase sector size (MMC) */
|
||||
|
||||
#define MMC_CSD_SECTORSIZE(csd) ((csd[5] >> 10) & 0x1f)
|
||||
|
||||
/* ER_GRP_SIZE 37-41 = Erase group size (MMC)*/
|
||||
|
||||
#define MMC_CSD_ERGRPSIZE(csd) ((csd[5] >> 5) & 0x1f)
|
||||
|
||||
/* WP_GRP_SIZE 32-38 = Write protect group size (SD) */
|
||||
|
||||
#define SD_CSD_WPGRPSIZE(csd) (csd[5] & 0x7f)
|
||||
|
||||
/* WP_GRP_SIZE 32-36 = Write protect group size (MMC) */
|
||||
|
||||
#define MMC_CSD_WPGRPSIZE(csd) (csd[5] & 0x1f)
|
||||
|
||||
/* WP_GRP_EN 31-31 = Write protect group enable */
|
||||
|
||||
#define MMCSD_WPGRPEN(csd) (csd[6] >> 15)
|
||||
|
||||
/* DFLT_ECC 29-30 = Manufacturer default ECC (MMC) */
|
||||
|
||||
#define MMC_CSD_DFLTECC(csd) ((csd[6] >> 13) & 3)
|
||||
|
||||
/* R2W_FACTOR 26-28 = Write speed factor */
|
||||
|
||||
#define MMCSD_CSD_R2WFACTOR(csd) ((csd[6] >> 10) & 7)
|
||||
|
||||
/* WRITE_BL_LEN 22-25 = Max. write data block length */
|
||||
|
||||
#define MMCSD_CSD_WRITEBLLEN(csd) ((csd[6] >> 6) & 0x0f)
|
||||
|
||||
/* WRITE_BL_PARTIAL 21-21 = Partial blocks for write allowed */
|
||||
|
||||
#define MMCSD_CSD_WRITEBLPARTIAL(csd) ((csd[6] >> 5) & 1)
|
||||
|
||||
/* Reserved 16-20 */
|
||||
|
||||
/* FILE_FORMAT_GROUP 15-15 = File format group */
|
||||
|
||||
#define MMCSD_CSD_FILEFORMATGRP(csd) (csd[7] >> 15)
|
||||
|
||||
/* COPY 14-14 = Copy flag (OTP) */
|
||||
|
||||
#define MMCSD_CSD_COPY(csd) ((csd[7] >> 14) & 1)
|
||||
|
||||
/* PERM_WRITE_PROTECT 13-13 = Permanent write protection */
|
||||
|
||||
#define MMCSD_CSD_PERMWRITEPROTECT(csd) ((csd[7] >> 13) & 1)
|
||||
|
||||
/* TMP_WRITE_PROTECT 12-12 = Temporary write protection */
|
||||
|
||||
#define MMCSD_CSD_TMPWRITEPROTECT(csd) ((csd[7] >> 12) & 1)
|
||||
|
||||
/* FILE_FORMAT 10-11 = File format */
|
||||
|
||||
#define MMCSD_CSD_FILEFORMAT(csd) ((csd[7] >> 10) & 3)
|
||||
|
||||
/* ECC 8-9 = ECC (MMC) */
|
||||
|
||||
#define MMC_CSD_ECC(csd) ((csd[7] >> 8) & 3)
|
||||
|
||||
/* CRC 1-7 = CRC */
|
||||
|
||||
#define MMCSD_CSD_CRC(csd) ((csd[7] >> 1) & 0x7f)
|
||||
|
||||
/* Reserved 0-0 */
|
||||
|
||||
#else /* CONFIG_MMCSD_BE16 */
|
||||
|
||||
/* CSD_STRUCTURE 126-127 */
|
||||
|
||||
#define MMCSD_CSD_CSDSTRUCT(csd) (csd[0] >> 6)
|
||||
|
||||
/* SPEC_VERS 122-125 = (word 0, bits 13:10) (MMC) Spec version */
|
||||
|
||||
#define MMC_CSD_SPECVERS(csd) ((csd[0] >> 2) & 0x0f)
|
||||
|
||||
/* Reserved 120-155 */
|
||||
|
||||
/* TAAC 112-119 = Data read access-time-1
|
||||
* TIME_VALUE 3-6 = Time mantissa
|
||||
* TIME_UNIT 0-2 = Time exponent
|
||||
*/
|
||||
|
||||
#define MMCSD_CSD_TAAC_TIMEVALUE(csd) ((csd[1] >> 3) & 0x0f)
|
||||
#define MMCSD_CSD_TAAC_TIMEUNIT(csd) (csd[1] & 7)
|
||||
|
||||
#define SD20_CSD_TAC_TIMEVALUE(csd) (1)
|
||||
#define SD20_CSD_TAC_TIMEUNIT(csd) (6)
|
||||
|
||||
/* NSAC 111:104 = Data read access-time-2 in CLK cycle(NSAC*100) */
|
||||
|
||||
#define MMCSD_CSD_NSAC(csd) (csd[2])
|
||||
#define SD20_CSD_NSAC(csd) (0)
|
||||
|
||||
/* TRAN_SPEED 96-103 = Max. data transfer rate
|
||||
* TIME_VALUE 3-6 = Rate exponent
|
||||
* TRANSFER_RATE_UNIT 0-2 = Rate mantissa
|
||||
*/
|
||||
|
||||
#define MMCSD_CSD_TRANSPEED_TIMEVALUE(csd) ((csd[3] >> 3) & 0x0f)
|
||||
#define MMCSD_CSD_TRANSPEED_TRANSFERRATEUNIT(csd) (csd[3] & 7)
|
||||
|
||||
#define SD20_CSD_TRANSPEED_TIMEVALUE(csd) MMCSD_CSD_TRANSPEED_TIMEVALUE(csd)
|
||||
#define SD20_CSD_TRANSPEED_TRANSFERRATEUNIT(csd) MMCSD_CSD_TRANSPEED_TRANSFERRATEUNIT(csd)
|
||||
|
||||
/* CCC 84-95 = Card command classes */
|
||||
|
||||
#define MMCSD_CSD_CCC(csd) (((uint16)csd[4] << 4) | ((uint16)csd[5] >> 4))
|
||||
#define SD20_CSD_CCC(csd) MMCSD_CSD_CCC(csd)
|
||||
|
||||
/* READ_BL_LEN 80-83 = Max. read data block length */
|
||||
|
||||
#define MMCSD_CSD_READBLLEN(csd) (csd[5] & 0x0f)
|
||||
#define SD20_CSD_READBLLEN(csd) (9)
|
||||
|
||||
/* READ_BL_PARTIAL 79-79 = Partial blocks for read allowed */
|
||||
|
||||
#define MMCSD_CSD_READBLPARTIAL(csd) (csd[6] >> 7)
|
||||
#define SD20_CSD_READBLPARTIAL(csd) (0)
|
||||
|
||||
/* WRITE_BLK_MISALIGN 78-78 = Write block misalignment */
|
||||
|
||||
#define MMCSD_CSD_WRITEBLKMISALIGN(csd) ((csd[6] >> 6) & 1)
|
||||
#define SD20_CSD_WRITEBLKMISALIGN(csd) (0)
|
||||
|
||||
/* READ_BLK_MISALIGN 77:77 = Read block misalignment */
|
||||
|
||||
#define MMCSD_CSD_READBLKMISALIGN(csd) ((csd[6] >> 5) & 1)
|
||||
#define SD20_CSD_READBLKMISALIGN(csd) (0)
|
||||
|
||||
/* DSR_IMP 76-76 = DSR implemented */
|
||||
|
||||
#define MMCSD_CSD_DSRIMP(csd) ((csd[6] >> 4) & 1)
|
||||
#define SD20_CSD_DSRIMP(csd) MMCSD_CSD_DSRIMP(csd)
|
||||
|
||||
/* C_SIZE 62-73 Device size */
|
||||
|
||||
#define MMCSD_CSD_CSIZE(csd) (((csd[6] & 3) << 10) | (csd[7] << 2) | (csd[8] >> 6))
|
||||
#define SD20_CSD_CSIZE(csd) (((csd[7] & 0x3f) << 16) | (csd[8] << 8) | csd[9])
|
||||
|
||||
/* VDD_R_CURR_MIN 59-61 = Max. read current at Vcc min */
|
||||
|
||||
#define MMCSD_CSD_VDDRCURRMIN(csd) ((csd[8] >> 3) & 7)
|
||||
#define SD20_CSD_VDDRCURRMIN(csd) (7)
|
||||
|
||||
/* VDD_R_CURR_MAX 56-58 = Max. read current at Vcc max */
|
||||
|
||||
#define MMCSD_CSD_VDDRCURRMAX(csd) (csd[8] & 7)
|
||||
#define SD20_CSD_VDDRCURRMAX(csd) (6)
|
||||
|
||||
/* VDD_W_CURR_MIN 53-55 = Max. write current at Vcc min */
|
||||
|
||||
#define MMCSD_CSD_VDDWCURRMIN(csd) ((csd[9] >> 5) & 7)
|
||||
#define SD20_CSD_VDDWCURRMIN(csd) (7)
|
||||
|
||||
/* VDD_W_CURR_MAX 50-52 = Max. write current at Vcc max */
|
||||
|
||||
#define MMCSD_CSD_VDDWCURRMAX(csd) ((csd[9] >> 2) & 7)
|
||||
#define SD20_CSD_VDDWCURRMAX(csd) (6)
|
||||
|
||||
/* C_SIZE_MULT 47-49 Device size multiplier */
|
||||
|
||||
#define MMCSD_CSD_CSIZEMULT(csd) (((csd[9] & 3) << 1) | (csd[10] >> 7))
|
||||
#define SD20_CSD_CSIZEMULT(csd) (10-2)
|
||||
|
||||
/* ER_BLK_EN 46-46 = Erase single block enable (SD) */
|
||||
|
||||
#define SD_CSD_SDERBLKEN(csd) ((csd[10] >> 6) & 1)
|
||||
#define SD20_CSD_SDERBLKEN(csd) (1)
|
||||
|
||||
/* SECTOR_SIZE 39-45 = Erase sector size (SD) */
|
||||
|
||||
#define SD_CSD_SECTORSIZE(csd) (((csd[10] & 0x3f) << 1) | (csd[11] >> 7))
|
||||
#define SD20_CSD_SECTORSIZE(csd) (0x7f)
|
||||
|
||||
/* SECTOR_SIZE 42-46 = Erase sector size (MMC) */
|
||||
|
||||
#define MMC_CSD_SECTORSIZE(csd) ((csd[10] >> 2) & 0x1f)
|
||||
|
||||
/* ER_GRP_SIZE 37-41 = Erase group size (MMC)*/
|
||||
|
||||
#define MMC_CSD_ERGRPSIZE(csd) (((csd[10] & 3) << 3) | (csd[11] > 5))
|
||||
|
||||
/* WP_GRP_SIZE 32-38 = Write protect group size (SD) */
|
||||
|
||||
#define SD_CSD_WPGRPSIZE(csd) (csd[11] & 0x7f)
|
||||
#define SD20_CSD_WPGRPSIZE(csd) (0)
|
||||
|
||||
/* WP_GRP_SIZE 32-36 = Write protect group size (MMC) */
|
||||
|
||||
#define MMC_CSD_WPGRPSIZE(csd) (csd[11] & 0x1f)
|
||||
|
||||
/* WP_GRP_EN 31-31 = Write protect group enable */
|
||||
|
||||
#define MMCSD_WPGRPEN(csd) (csd[12] >> 7)
|
||||
#define SD20_WPGRPEN(csd) (0)
|
||||
|
||||
/* DFLT_ECC 29-30 = Manufacturer default ECC (MMC) */
|
||||
|
||||
#define MMC_CSD_DFLTECC(csd) ((csd[12] >> 5) & 3)
|
||||
|
||||
/* R2W_FACTOR 26-28 = Write speed factor */
|
||||
|
||||
#define MMCSD_CSD_R2WFACTOR(csd) ((csd[12] >> 2) & 7)
|
||||
#define SD20_CSD_R2WFACTOR(csd) (2)
|
||||
|
||||
/* WRITE_BL_LEN 22-25 = Max. write data block length */
|
||||
|
||||
#define MMCSD_CSD_WRITEBLLEN(csd) (((csd[12] & 3) << 2) | (csd[13] >> 6))
|
||||
#define SD20_CSD_WRITEBLLEN(csd) (9)
|
||||
|
||||
/* WRITE_BL_PARTIAL 21-21 = Partial blocks for write allowed */
|
||||
|
||||
#define MMCSD_CSD_WRITEBLPARTIAL(csd) ((csd[13] >> 5) & 1)
|
||||
#define SD20_CSD_WRITEBLPARTIAL(csd) (0)
|
||||
|
||||
/* Reserved 16-20 */
|
||||
|
||||
/* FILE_FORMAT_GROUP 15-15 = File format group */
|
||||
|
||||
#define MMCSD_CSD_FILEFORMATGRP(csd) (csd[14] >> 7)
|
||||
#define SD20_CSD_FILEFORMATGRP(csd) (0)
|
||||
|
||||
/* COPY 14-14 = Copy flag (OTP) */
|
||||
|
||||
#define MMCSD_CSD_COPY(csd) ((csd[14] >> 6) & 1)
|
||||
#define SD20_CSD_COPY(csd) MMCSD_CSD_COPY(csd)
|
||||
|
||||
/* PERM_WRITE_PROTECT 13-13 = Permanent write protection */
|
||||
|
||||
#define MMCSD_CSD_PERMWRITEPROTECT(csd) ((csd[14] >> 5) & 1)
|
||||
#define SD20_CSD_PERMWRITEPROTECT(csd) MMCSD_CSD_PERMWRITEPROTECT(csd)
|
||||
|
||||
/* TMP_WRITE_PROTECT 12-12 = Temporary write protection */
|
||||
|
||||
#define MMCSD_CSD_TMPWRITEPROTECT(csd) ((csd[14] >> 4) & 1)
|
||||
#define SD20_CSD_TMPWRITEPROTECT(csd) MMCSD_CSD_TMPWRITEPROTECT(csd)
|
||||
|
||||
/* FILE_FORMAT 10-11 = File format */
|
||||
|
||||
#define MMCSD_CSD_FILEFORMAT(csd) ((csd[14] >> 2) & 3)
|
||||
#define SD20_CSD_FILEFORMAT(csd) (0)
|
||||
|
||||
/* ECC 8-9 = ECC (MMC) */
|
||||
|
||||
#define MMC_CSD_ECC(csd) (csd[14] & 3)
|
||||
|
||||
/* CRC 1-7 = CRC */
|
||||
|
||||
#define MMCSD_CSD_CRC(csd) (csd[15] >> 1)
|
||||
#define SD20_CSD_CRC(csd) MMCSD_CSD_CRC(csd)
|
||||
|
||||
/* Reserved 0-0 */
|
||||
|
||||
#endif /* CONFIG_MMCSD_BE16 */
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C" {
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
#endif /* __DRIVERS_MMCSD_MMCSD_CSD_H */
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,123 @@
|
||||
/****************************************************************************
|
||||
* drivers/mmcsd/mmcsd_spi.h
|
||||
*
|
||||
* Copyright (C) 2008 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __DRIVERS_MMCSD_MMCSD_SPI_HO
|
||||
#define __DRIVERS_MMCSD_MMCSD_SPI_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-Processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* SPI *******************************************************************/
|
||||
/* SPI 8-bit R1 response */
|
||||
|
||||
#define MMCSD_SPIR1_OK 0x00 /* No error bits set */
|
||||
#define MMCSD_SPIR1_IDLESTATE 0x01 /* Idle state */
|
||||
#define MMCSD_SPIR1_ERASERESET 0x02 /* Erase reset */
|
||||
#define MMCSD_SPIR1_ILLEGALCMD 0x04 /* Illegal command */
|
||||
#define MMCSD_SPIR1_CRCERROR 0x08 /* Com CRC error */
|
||||
#define MMCSD_SPIR1_ERASEERROR 0x10 /* Erase sequence error */
|
||||
#define MMCSD_SPIR1_ADDRERROR 0x20 /* Address error */
|
||||
#define MMCSD_SPIR1_PARAMERROR 0x40 /* Parameter error */
|
||||
|
||||
/* SPI 8-bit R2 response */
|
||||
|
||||
#define MMCSD_SPIR2_CARDLOCKED 0x0001 /* Card is locked */
|
||||
#define MMCSD_SPIR2_WPERASESKIP 0x0002 /* WP erase skip */
|
||||
#define MMCSD_SPIR2_LOCKFAIL 0x0002 /* Lock/unlock cmd failed */
|
||||
#define MMCSD_SPIR2_ERROR 0x0004 /* Error */
|
||||
#define MMCSD_SPIR2_CCERROR 0x0008 /* CC error */
|
||||
#define MMCSD_SPIR2_CARDECCFAIL 0x0010 /* Card ECC failed */
|
||||
#define MMCSD_SPIR2_WPVIOLATION 0x0020 /* WP violoation */
|
||||
#define MMCSD_SPIR2_ERASEPARAM 0x0040 /* Erase parameter */
|
||||
#define MMCSD_SPIR2_OUTOFRANGE 0x0080 /* Out of range */
|
||||
#define MMCSD_SPIR2_CSDOVERWRITE 0x0080 /* CSD overwrite */
|
||||
#define MMCSD_SPIR2_IDLESTATE 0x0100 /* In idle state */
|
||||
#define MMCSD_SPIR2_ERASERESET 0x0200 /* Erase reset */
|
||||
#define MMCSD_SPIR2_ILLEGALCMD 0x0400 /* Illegal command */
|
||||
#define MMCSD_SPIR2_CRCERROR 0x0800 /* Com CRC error */
|
||||
#define MMCSD_SPIR2_ERASEERROR 0x1000 /* Erase sequence error */
|
||||
#define MMCSD_SPIR2_ADDRERROR 0x2000 /* Address error */
|
||||
#define MMCSD_SPIR2_PARAMERROR 0x4000 /* Parameter error */
|
||||
|
||||
/* Data Response */
|
||||
|
||||
#define MMCSD_SPIDR_MASK 0x1f /* Mask for valid data response bits */
|
||||
#define MMCSD_SPIDR_ACCEPTED 0x05 /* Data accepted */
|
||||
#define MMCSD_SPIDR_CRCERROR 0x0b /* Data rejected due to CRC error */
|
||||
#define MMCSD_SPIDR_WRERROR 0x0d /* Data rejected due to write error */
|
||||
|
||||
/* Data Tokens */
|
||||
|
||||
#define MMCSD_SPIDT_STARTBLKSNGL 0xfe /* First byte of block, single block */
|
||||
#define MMCSD_SPIDT_STARTBLKMULTI 0xfc /* First byte of block, multi-block */
|
||||
#define MMCSD_SPIDT_STOPTRANS 0xfd /* Stop transmission */
|
||||
|
||||
/* Data error token */
|
||||
|
||||
#define MMCSD_SPIDET_UPPER 0xf0 /* The upper four bits are zero */
|
||||
#define MMCSD_SPIDET_ERROR 0x01 /* Error */
|
||||
#define MMCSD_SPIDET_CCERROR 0x02 /* CC error */
|
||||
#define MMCSD_SPIDET_CARDECCFAIL 0x04 /* Card ECC failed */
|
||||
#define MMCSD_SPIDET_OUTOFRANGE 0x08 /* Out of range */
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C" {
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
#endif /* __DRIVERS_MMCSD_MMCSD_SPI_H */
|
||||
Reference in New Issue
Block a user