Mikroelektronika MIKROE-742 데이터 시트

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- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

function Mmc_Read_Cid(var data_cid: array[16] of byte): byte;

- 

0

- if CID register was read successfully 

- 

1

- if there was an error while reading 

The function reads 16-byte CID register.

Parameters:

- 

data_cid

: buffer of minimum 16 bytes in length for storing CID register content. 

MMC/SD card must be initialized. See Mmc_Init.

var error : byte;

dataBuffer : 

array[16] of byte;

...
error := Mmc_Read_Cid(dataBuffer);

function Mmc_Read_Csd(var data_for_registers:  array[16]  of
byte): byte;

- 

0

- if CSD register was read successfully 

- 

1

- if there was an error while reading 

The function reads 16-byte CSD register.

Parameters:

- 

data_for_registers

: buffer of minimum 16 bytes in length for storing CSD 

register content. 

MMC/SD card must be initialized. See Mmc_Init.

var error : word;

data_for_registers : 

array[16] of byte;

...

error := Mmc_Read_Csd(data_for_registers);