185 lines
5.7 KiB
C
185 lines
5.7 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2006..2018 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_lld.h
|
|
* @brief PLATFORM SDC subsystem low level driver header.
|
|
*
|
|
* @addtogroup SDC
|
|
* @{
|
|
*/
|
|
|
|
#ifndef HAL_SDC_LLD_H
|
|
#define HAL_SDC_LLD_H
|
|
|
|
#if (HAL_USE_SDC == TRUE) || defined(__DOXYGEN__)
|
|
|
|
/*===========================================================================*/
|
|
/* Driver constants. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver pre-compile time settings. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @name PLATFORM configuration options
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief PWMD1 driver enable switch.
|
|
* @details If set to @p TRUE the support for PWM1 is included.
|
|
* @note The default is @p FALSE.
|
|
*/
|
|
#if !defined(PLATFORM_SDC_USE_SDC1) || defined(__DOXYGEN__)
|
|
#define PLATFORM_SDC_USE_SDC1 FALSE
|
|
#endif
|
|
/** @} */
|
|
|
|
/*===========================================================================*/
|
|
/* Derived constants and error checks. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver data structures and types. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Type of card flags.
|
|
*/
|
|
typedef uint32_t sdcmode_t;
|
|
|
|
/**
|
|
* @brief SDC Driver condition flags type.
|
|
*/
|
|
typedef uint32_t sdcflags_t;
|
|
|
|
/**
|
|
* @brief Type of a structure representing an SDC driver.
|
|
*/
|
|
typedef struct SDCDriver SDCDriver;
|
|
|
|
/**
|
|
* @brief Driver configuration structure.
|
|
* @note It could be empty on some architectures.
|
|
*/
|
|
typedef struct {
|
|
/**
|
|
* @brief Working area for memory consuming operations.
|
|
* @note It is mandatory for detecting MMC cards bigger than 2GB else it
|
|
* can be @p NULL.
|
|
* @note Memory pointed by this buffer is only used by @p sdcConnect(),
|
|
* afterward it can be reused for other purposes.
|
|
*/
|
|
uint8_t *scratchpad;
|
|
/**
|
|
* @brief Bus width.
|
|
*/
|
|
sdcbusmode_t bus_width;
|
|
/* End of the mandatory fields.*/
|
|
} SDCConfig;
|
|
|
|
/**
|
|
* @brief @p SDCDriver specific methods.
|
|
*/
|
|
#define _sdc_driver_methods \
|
|
_mmcsd_block_device_methods
|
|
|
|
/**
|
|
* @extends MMCSDBlockDeviceVMT
|
|
*
|
|
* @brief @p SDCDriver virtual methods table.
|
|
*/
|
|
struct SDCDriverVMT {
|
|
_sdc_driver_methods
|
|
};
|
|
|
|
/**
|
|
* @brief Structure representing an SDC driver.
|
|
*/
|
|
struct SDCDriver {
|
|
/**
|
|
* @brief Virtual Methods Table.
|
|
*/
|
|
const struct SDCDriverVMT *vmt;
|
|
_mmcsd_block_device_data
|
|
/**
|
|
* @brief Current configuration data.
|
|
*/
|
|
const SDCConfig *config;
|
|
/**
|
|
* @brief Various flags regarding the mounted card.
|
|
*/
|
|
sdcmode_t cardmode;
|
|
/**
|
|
* @brief Errors flags.
|
|
*/
|
|
sdcflags_t errors;
|
|
/**
|
|
* @brief Card RCA.
|
|
*/
|
|
uint32_t rca;
|
|
/* End of the mandatory fields.*/
|
|
};
|
|
|
|
/*===========================================================================*/
|
|
/* Driver macros. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* External declarations. */
|
|
/*===========================================================================*/
|
|
|
|
#if (PLATFORM_SDC_USE_SDC1 == TRUE) && !defined(__DOXYGEN__)
|
|
extern SDCDriver SDCD1;
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void sdc_lld_init(void);
|
|
void sdc_lld_start(SDCDriver *sdcp);
|
|
void sdc_lld_stop(SDCDriver *sdcp);
|
|
void sdc_lld_start_clk(SDCDriver *sdcp);
|
|
void sdc_lld_set_data_clk(SDCDriver *sdcp, sdcbusclk_t clk);
|
|
void sdc_lld_stop_clk(SDCDriver *sdcp);
|
|
void sdc_lld_set_bus_mode(SDCDriver *sdcp, sdcbusmode_t mode);
|
|
void sdc_lld_send_cmd_none(SDCDriver *sdcp, uint8_t cmd, uint32_t arg);
|
|
bool sdc_lld_send_cmd_short(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
|
|
uint32_t *resp);
|
|
bool sdc_lld_send_cmd_short_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
|
|
uint32_t *resp);
|
|
bool sdc_lld_send_cmd_long_crc(SDCDriver *sdcp, uint8_t cmd, uint32_t arg,
|
|
uint32_t *resp);
|
|
bool sdc_lld_read_special(SDCDriver *sdcp, uint8_t *buf, size_t bytes,
|
|
uint8_t cmd, uint32_t argument);
|
|
bool sdc_lld_read(SDCDriver *sdcp, uint32_t startblk,
|
|
uint8_t *buf, uint32_t n);
|
|
bool sdc_lld_write(SDCDriver *sdcp, uint32_t startblk,
|
|
const uint8_t *buf, uint32_t n);
|
|
bool sdc_lld_sync(SDCDriver *sdcp);
|
|
bool sdc_lld_is_card_inserted(SDCDriver *sdcp);
|
|
bool sdc_lld_is_write_protected(SDCDriver *sdcp);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAL_USE_SDC == TRUE */
|
|
|
|
#endif /* HAL_SDC_LLD_H */
|
|
|
|
/** @} */
|