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Diffstat (limited to 'os/hal/include/mmcsd.h')
| -rw-r--r-- | os/hal/include/mmcsd.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/os/hal/include/mmcsd.h b/os/hal/include/mmcsd.h new file mode 100644 index 000000000..fbea45245 --- /dev/null +++ b/os/hal/include/mmcsd.h @@ -0,0 +1,160 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT 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/RT 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 mmcsd.h
+ * @brief MMC/SD cards header.
+ *
+ * @addtogroup MMCSD
+ * @{
+ */
+
+#ifndef _MMCSD_H_
+#define _MMCSD_H_
+
+#if HAL_USE_MMC_SPI || HAL_USE_SDC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+/**
+ * @brief Fixed block size for MMC/SD block devices.
+ */
+#define SDMMC_BLOCK_SIZE 512
+
+/**
+ * @brief Mask of error bits in R1 responses.
+ */
+#define SDMMC_R1_ERROR_MASK 0xFDFFE008
+
+/**
+ * @brief Fixed pattern for CMD8.
+ */
+#define SDMMC_CMD8_PATTERN 0x000001AA
+
+/**
+ * @name SD/MMC status conditions
+ * @{
+ */
+#define SDMMC_STS_IDLE 0
+#define SDMMC_STS_READY 1
+#define SDMMC_STS_IDENT 2
+#define SDMMC_STS_STBY 3
+#define SDMMC_STS_TRAN 4
+#define SDMMC_STS_DATA 5
+#define SDMMC_STS_RCV 6
+#define SDMMC_STS_PRG 7
+#define SDMMC_STS_DIS 8
+/** @} */
+
+/**
+ * @name SD/MMC commands
+ * @{
+ */
+#define SDMMC_CMD_GO_IDLE_STATE 0
+#define SDMMC_CMD_INIT 1
+#define SDMMC_CMD_ALL_SEND_CID 2
+#define SDMMC_CMD_SEND_RELATIVE_ADDR 3
+#define SDMMC_CMD_SET_BUS_WIDTH 6
+#define SDMMC_CMD_SEL_DESEL_CARD 7
+#define SDMMC_CMD_SEND_IF_COND 8
+#define SDMMC_CMD_SEND_CSD 9
+#define SDMMC_CMD_STOP_TRANSMISSION 12
+#define SDMMC_CMD_SEND_STATUS 13
+#define SDMMC_CMD_SET_BLOCKLEN 16
+#define SDMMC_CMD_READ_SINGLE_BLOCK 17
+#define SDMMC_CMD_READ_MULTIPLE_BLOCK 18
+#define SDMMC_CMD_SET_BLOCK_COUNT 23
+#define SDMMC_CMD_WRITE_BLOCK 24
+#define SDMMC_CMD_WRITE_MULTIPLE_BLOCK 25
+#define SDMMC_CMD_APP_OP_COND 41
+#define SDMMC_CMD_LOCK_UNLOCK 42
+#define SDMMC_CMD_APP_CMD 55
+#define SDMMC_CMD_READ_OCR 58
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief @p MMCSDBlockDevice specific methods.
+ */
+#define _mmcsd_block_device_methods \
+ _base_block_device_methods
+
+/**
+ * @brief @p MMCSDBlockDevice specific data.
+ * @note It is empty because @p MMCSDBlockDevice is only an interface
+ * without implementation.
+ */
+#define _mmcsd_block_device_data \
+ _base_block_device_data
+
+/**
+ * @extends BaseBlockDeviceVMT
+ *
+ * @brief @p MMCSDBlockDevice virtual methods table.
+ */
+struct MMCSDBlockDeviceVMT {
+ _base_block_device_methods
+};
+
+/**
+ * @extends BaseBlockDevice
+ *
+ * @brief MCC/SD block device class.
+ * @details This class represents a, block-accessible, MMC/SD device.
+ */
+typedef struct {
+ /** @brief Virtual Methods Table.*/
+ const struct MMCSDBlockDeviceVMT *vmt;
+ _mmcsd_block_device_data
+} MMCSDBlockDevice;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_MMC_SPI || HAL_USE_MMC_SDC*/
+
+#endif /* _MMCSD_H_ */
+
+/** @} */
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