daizyu watanabe / sdcard

test

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sdcard.h@0:76d6402d766d, 2019-03-19 (annotated)

Committer:
dzbios
Date:
Tue Mar 19 14:47:28 2019 +0000
Revision:
0:76d6402d766d
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dzbios 0:76d6402d766d 1 /* vim: set ai et ts=4 sw=4: */
dzbios 0:76d6402d766d 2 #ifndef __SDCARD_H__
dzbios 0:76d6402d766d 3 #define __SDCARD_H__
dzbios 0:76d6402d766d 4
dzbios 0:76d6402d766d 5 #include "stm32f4xx_hal.h"
dzbios 0:76d6402d766d 6
dzbios 0:76d6402d766d 7 #define SDCARD_SPI_PORT hspi1
dzbios 0:76d6402d766d 8 #define SDCARD_CS_Pin GPIO_PIN_3 // Arduino shield: D3
dzbios 0:76d6402d766d 9 #define SDCARD_CS_GPIO_Port GPIOB
dzbios 0:76d6402d766d 10
dzbios 0:76d6402d766d 11 extern SPI_HandleTypeDef SDCARD_SPI_PORT;
dzbios 0:76d6402d766d 12
dzbios 0:76d6402d766d 13 // call before initializing any SPI devices
dzbios 0:76d6402d766d 14 void SDCARD_Unselect();
dzbios 0:76d6402d766d 15
dzbios 0:76d6402d766d 16 // all procedures return 0 on success, < 0 on failure
dzbios 0:76d6402d766d 17
dzbios 0:76d6402d766d 18 extern int SDCARD_Init(void);
dzbios 0:76d6402d766d 19 int SDCARD_GetBlocksNumber(uint32_t* num);
dzbios 0:76d6402d766d 20 int SDCARD_ReadSingleBlock(uint32_t blockNum, uint8_t* buff); // sizeof(buff) == 512!
dzbios 0:76d6402d766d 21 int SDCARD_WriteSingleBlock(uint32_t blockNum, const uint8_t* buff); // sizeof(buff) == 512!
dzbios 0:76d6402d766d 22
dzbios 0:76d6402d766d 23 // Read Multiple Blocks
dzbios 0:76d6402d766d 24 int SDCARD_ReadBegin(uint32_t blockNum);
dzbios 0:76d6402d766d 25 int SDCARD_ReadData(uint8_t* buff); // sizeof(buff) == 512!
dzbios 0:76d6402d766d 26 int SDCARD_ReadEnd();
dzbios 0:76d6402d766d 27
dzbios 0:76d6402d766d 28 // Write Multiple Blocks
dzbios 0:76d6402d766d 29 int SDCARD_WriteBegin(uint32_t blockNum);
dzbios 0:76d6402d766d 30 int SDCARD_WriteData(const uint8_t* buff); // sizeof(buff) == 512!
dzbios 0:76d6402d766d 31 int SDCARD_WriteEnd();
dzbios 0:76d6402d766d 32
dzbios 0:76d6402d766d 33 // TODO: read lock flag? CMD13, SEND_STATUS
dzbios 0:76d6402d766d 34
dzbios 0:76d6402d766d 35 #endif // __SDCARD_H__
dzbios 0:76d6402d766d 36