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/*
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file hal_sdc.h
* @brief SDC Driver macros and structures.
*
* @addtogroup SDC
* @{
*/
#ifndef HAL_SDC_H
#define HAL_SDC_H
#if (HAL_USE_SDC == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name SD card types
* @{
*/
#define SDC_MODE_CARDTYPE_MASK 0xFU
#define SDC_MODE_CARDTYPE_SDV11 0U
#define SDC_MODE_CARDTYPE_SDV20 1U
#define SDC_MODE_CARDTYPE_MMC 2U
#define SDC_MODE_HIGH_CAPACITY 0x10U
/** @} */
/**
* @name SDC bus error conditions
* @{
*/
#define SDC_NO_ERROR 0U
#define SDC_CMD_CRC_ERROR 1U
#define SDC_DATA_CRC_ERROR 2U
#define SDC_DATA_TIMEOUT 4U
#define SDC_COMMAND_TIMEOUT 8U
#define SDC_TX_UNDERRUN 16U
#define SDC_RX_OVERRUN 32U
#define SDC_STARTBIT_ERROR 64U
#define SDC_OVERFLOW_ERROR 128U
#define SDC_UNHANDLED_ERROR 0xFFFFFFFFU
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name SDC configuration options
* @{
*/
/**
* @brief Number of initialization attempts before rejecting the card.
* @note Attempts are performed at 10mS intervals.
*/
#if !defined(SDC_INIT_RETRY) || defined(__DOXYGEN__)
#define SDC_INIT_RETRY 100
#endif
/**
* @brief Include support for MMC cards.
* @note MMC support is not yet implemented so this option must be kept
* at @p FALSE.
*/
#if !defined(SDC_MMC_SUPPORT) || defined(__DOXYGEN__)
#define SDC_MMC_SUPPORT FALSE
#endif
/**
* @brief Delays insertions.
* @details If enabled this options inserts delays into the MMC waiting
* routines releasing some extra CPU time for the threads with
* lower priority, this may slow down the driver a bit however.
*/
#if !defined(SDC_NICE_WAITING) || defined(__DOXYGEN__)
#define SDC_NICE_WAITING TRUE
#endif
/**
* @brief OCR initialization constant for V20 cards.
*/
#if !defined(SDC_INIT_OCR_V20) || defined(__DOXYGEN__)
#define SDC_INIT_OCR_V20 0x50FF8000U
#endif
/**
* @brief OCR initialization constant for non-V20 cards.
*/
#if !defined(SDC_INIT_OCR) || defined(__DOXYGEN__)
#define SDC_INIT_OCR 0x80100000U
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of SDIO bus mode.
*/
typedef enum {
SDC_MODE_1BIT = 0,
SDC_MODE_4BIT,
SDC_MODE_8BIT
} sdcbusmode_t;
/**
* @brief Max supported clock.
*/
typedef enum {
SDC_CLK_25MHz = 0,
SDC_CLK_50MHz
} sdcbusclk_t;
#include "hal_sdc_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Macro Functions
* @{
*/
/**
* @brief Returns the card insertion status.
* @note This macro wraps a low level function named
* @p sdc_lld_is_card_inserted(), this function must be
* provided by the application because it is not part of the
* SDC driver.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @return The card state.
* @retval false card not inserted.
* @retval true card inserted.
*
* @api
*/
#define sdcIsCardInserted(sdcp) (sdc_lld_is_card_inserted(sdcp))
/**
* @brief Returns the write protect status.
* @note This macro wraps a low level function named
* @p sdc_lld_is_write_protected(), this function must be
* provided by the application because it is not part of the
* SDC driver.
*
* @param[in] sdcp pointer to the @p SDCDriver object
* @return The card state.
* @retval false not write protected.
* @retval true write protected.
*
* @api
*/
#define sdcIsWriteProtected(sdcp) (sdc_lld_is_write_protected(sdcp))
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void sdcInit(void);
void sdcObjectInit(SDCDriver *sdcp);
void sdcStart(SDCDriver *sdcp, const SDCConfig *config);
void sdcStop(SDCDriver *sdcp);
bool sdcConnect(SDCDriver *sdcp);
bool sdcDisconnect(SDCDriver *sdcp);
bool sdcRead(SDCDriver *sdcp, uint32_t startblk,
uint8_t *buf, uint32_t n);
bool sdcWrite(SDCDriver *sdcp, uint32_t startblk,
const uint8_t *buf, uint32_t n);
sdcflags_t sdcGetAndClearErrors(SDCDriver *sdcp);
bool sdcSync(SDCDriver *sdcp);
bool sdcGetInfo(SDCDriver *sdcp, BlockDeviceInfo *bdip);
bool sdcErase(SDCDriver *sdcp, uint32_t startblk, uint32_t endblk);
bool _sdc_wait_for_transfer_state(SDCDriver *sdcp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_SDC == TRUE */
#endif /* HAL_SDC_H */
/** @} */
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