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Basic SDCard block read / write (minimal timeout/error handling)

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This commit is contained in:
Nicholas Sherlock 2015-10-22 14:27:36 +13:00 • committed by borisbstyle
parent 3941c6c252
commit 84d3cc6175
11 changed files with 927 additions and 7 deletions
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45
src/main/drivers/sdcard.h
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@ -221,3 +221,48 @@ uint16_t SD_GetStatus(void);
uint8_t SD_WriteByte(uint8_t byte);
uint8_t SD_ReadByte(void);
#pragma once
#include <stdint.h>
#include <stdbool.h>
typedef struct sdcard_metadata_t {
uint8_t manufacturerID;
uint16_t oemID;
char productName[5];
uint8_t productRevisionMajor;
uint8_t productRevisionMinor;
uint32_t productSerial;
uint16_t productionYear;
uint8_t productionMonth;
uint32_t numBlocks; /* Card capacity in 512-byte blocks*/
} sdcardMetadata_t;
typedef enum {
SDCARD_NO_OPERATION,
SDCARD_OPERATION_IN_PROGRESS,
SDCARD_OPERATION_SUCCESS,
SDCARD_OPERATION_ERROR,
} sdcardOperationStatus_e;
typedef enum {
SDCARD_BLOCK_OPERATION_READ,
SDCARD_BLOCK_OPERATION_WRITE,
SDCARD_BLOCK_OPERATION_ERASE,
} sdcardBlockOperation_e;
typedef void(*sdcard_operationCompleteCallback_c)(sdcardBlockOperation_e operation, uint32_t blockIndex, uint8_t *buffer, uint32_t callbackData);
bool sdcard_init();
bool sdcard_writeBlock(uint32_t blockIndex, uint8_t *buffer);
bool sdcard_readBlock(uint32_t blockIndex, uint8_t *buffer, sdcard_operationCompleteCallback_c callback, uint32_t callbackData);
void sdcard_poll();
bool sdcard_isReady();