Mikroelektronika MIKROE-742 데이터 시트

279

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

procedure Mmc_Fat_Reset(var size: dword);

Nothing.

Opens currently assigned file for reading.

Parameters:

- 

size

: buffer to store file size to. After file has been open for reading, its size is 

returned through this parameter. 

MMC/SD card and MMC library must be initialized for file operations. See
Mmc_Fat_Init.

The file must be previously assigned. See Mmc_Fat_Assign.

var size : dword;
...

Mmc_Fat_Reset(size);

procedure Mmc_Fat_Read(var bdata: byte);

Nothing.

Reads a byte from the currently assigned file opened for reading. Upon function
execution, file pointers will be set to the next character in the file.

Parameters:

- 

bdata

: buffer to store read byte to. Upon this function execution read byte is 

returned through this parameter. 

MMC/SD card and MMC library must be initialized for file operations. See
Mmc_Fat_Init.

The file must be previously assigned. See Mmc_Fat_Assign.

The file must be opened for reading. See Mmc_Fat_Reset.

var character : byte;
...
Mmc_Fat_Read(character);