Datasheet

Mmc_Read_Sector
Mmc_Write_Sector
274
MIKROELEKTRONIKA - SOFTWARE AND HARDWARE SOLUTIONS FOR EMBEDDED WORLD
Libraries
mikroPASCAL PRO for AVR
CHAPTER 6
Prototype
function Mmc_Read_Sector(sector: longint; var dbuff: array[512]
of byte): byte;
Returns
- 0 - if reading was successful
- 1 - if an error occurred
Description
The function reads one sector (512 bytes) from MMC card.
Parameters:
-
sector: MMC/SD card sector to be read.
-
data: buffer of minimum 512 bytes in length for data storage.
Requires MMC/SD card must be initialized. See Mmc_Init.
Example
// read sector 510 of the MMC/SD card
var error : byte;
sectorNo : longint;
dataBuffer : array[512] of byte;
...
sectorNo := 510;
error := Mmc_Read_Sector(sectorNo, dataBuffer);
Prototype
function Mmc_Write_Sector(sector: longint; var data_: array[512]
of byte): byte;
Returns
- 0 - if writing was successful
- 1 - if there was an error in sending write command
-
2 - if there was an error in writing (data rejected)
Description
The function writes 512 bytes of data to one MMC card sector.
Parameters:
-
sector: MMC/SD card sector to be written to.
-
data: data to be written (buffer of minimum 512 bytes in length).
Requires MMC/SD card must be initialized. See Mmc_Init.
Example
// write to sector 510 of the MMC/SD card
var error : byte;
sectorNo : longint;
dataBuffer : array[512] of byte;
...
sectorNo := 510;
error := Mmc_Write_Sector(sectorNo, dataBuffer);