1
0
Fork 0
mirror of https://github.com/betaflight/betaflight.git synced 2025-07-12 19:10:32 +03:00
betaflight/src/main/drivers/sdcard_impl.h

131 lines
3.6 KiB
C

/*
* This file is part of Cleanflight and Betaflight.
*
* Cleanflight and Betaflight are free software. You can redistribute
* this software and/or modify this software 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.
*
* Cleanflight and Betaflight are distributed in the hope that they
* 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 software.
*
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "drivers/nvic.h"
#include "drivers/io.h"
#include "dma.h"
#include "drivers/bus_spi.h"
#include "drivers/time.h"
#include "sdcard.h"
#include "sdcard_standard.h"
#ifdef AFATFS_USE_INTROSPECTIVE_LOGGING
#define SDCARD_PROFILING
#endif
#define SDCARD_TIMEOUT_INIT_MILLIS 200
#define SDCARD_MAX_CONSECUTIVE_FAILURES 8
typedef enum {
// In these states we run at the initialization 400kHz clockspeed:
SDCARD_STATE_NOT_PRESENT = 0,
SDCARD_STATE_RESET,
SDCARD_STATE_CARD_INIT_IN_PROGRESS,
SDCARD_STATE_INITIALIZATION_RECEIVE_CID,
// In these states we run at full clock speed
SDCARD_STATE_READY,
SDCARD_STATE_READING,
SDCARD_STATE_SENDING_WRITE,
SDCARD_STATE_WAITING_FOR_WRITE,
SDCARD_STATE_WRITING_MULTIPLE_BLOCKS,
SDCARD_STATE_STOPPING_MULTIPLE_BLOCK_WRITE
} sdcardState_e;
typedef struct sdcard_t {
struct {
uint8_t *buffer;
uint32_t blockIndex;
uint8_t chunkIndex;
sdcard_operationCompleteCallback_c callback;
uint32_t callbackData;
#ifdef SDCARD_PROFILING
uint32_t profileStartTime;
#endif
} pendingOperation;
uint32_t operationStartTime;
uint8_t failureCount;
uint8_t version;
bool highCapacity;
uint32_t multiWriteNextBlock;
uint32_t multiWriteBlocksRemain;
sdcardState_e state;
sdcardMetadata_t metadata;
sdcardCSD_t csd;
#ifdef SDCARD_PROFILING
sdcard_profilerCallback_c profiler;
#endif
bool enabled;
bool detectionInverted;
IO_t cardDetectPin;
#ifdef USE_SDCARD_SPI
extDevice_t dev;
int8_t idleCount;
#endif
#ifdef USE_SDCARD_SDIO
dmaIdentifier_e dmaIdentifier;
uint8_t useCache;
#endif
uint8_t dmaChannel;
} sdcard_t;
extern sdcard_t sdcard;
STATIC_ASSERT(sizeof(sdcardCSD_t) == 16, sdcard_csd_bitfields_didnt_pack_properly);
bool sdcard_isInserted(void);
typedef struct sdcardVTable_s {
void (*sdcard_preinit)(const sdcardConfig_t *config);
void (*sdcard_init)(const sdcardConfig_t *config, const spiPinConfig_t *spiConfig);
bool (*sdcard_readBlock)(uint32_t blockIndex, uint8_t *buffer, sdcard_operationCompleteCallback_c callback, uint32_t callbackData);
sdcardOperationStatus_e (*sdcard_beginWriteBlocks)(uint32_t blockIndex, uint32_t blockCount);
sdcardOperationStatus_e (*sdcard_writeBlock)(uint32_t blockIndex, uint8_t *buffer, sdcard_operationCompleteCallback_c callback, uint32_t callbackData);
bool (*sdcard_poll)(void);
bool (*sdcard_isFunctional)(void);
bool (*sdcard_isInitialized)(void);
const sdcardMetadata_t* (*sdcard_getMetadata)(void);
#ifdef SDCARD_PROFILING
void (*sdcardSdio_setProfilerCallback)(sdcard_profilerCallback_c callback);
#endif
} sdcardVTable_t;
#ifdef USE_SDCARD_SPI
extern sdcardVTable_t sdcardSpiVTable;
#endif
#ifdef USE_SDCARD_SDIO
extern sdcardVTable_t sdcardSdioVTable;
#endif