Mikroelektronika MIKROE-742 데이터 시트

213

- SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD

CHAPTER 6

procedure Cf_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.

CF card and CF library must be initialized for file operations. See Cf_Fat_Init.

File must be previously assigned. See Cf_Fat_Assign.

var size : dword;
...

Cf_Fat_Reset(size);

procedure Cf_Fat_Read(var bdata: byte);

Nothing.

Reads a byte from 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. 

CF card and CF library must be initialized for file operations. See Cf_Fat_Init.

File must be previously assigned. See Cf_Fat_Assign.

File must be open for reading. See Cf_Fat_Reset.

var character : byte;
...

Cf_Fat_Read(character);