ALFAT-OM-337 GHI Electronics, ALFAT-OM-337 Datasheet - Page 32

• Manufacturer Part Number: ALFAT-OM-337
• Description: Memory IC Development Tools ALFAT USB / SD to UART / SPI OEM BOARD
• Manufacturer: GHI Electronics

Specifications of ALFAT-OM-337

• Rohs: yes
• Product: SD OEM Board
• Tool Is For Evaluation Of: SD, SDHC, MMC Cards, USB drives
• Memory Type: Flash
• Operating Supply Voltage: 3.3 V
• Description/function: OEM board offers a seamless way to access files on SD & MMC cards and on USB memory drives
• Interface Type: I2C, SPI, UART, USB
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Part # Aliases: GHI-ALFAT-OM-337

GHI Electronics
Rev. 1.13
Y - File Tell
D - Delete File or Folder
Gets the current byte index in a file. Valid values are 0 to file size.
Deletes a file or a folder. Appending the name with the \ symbol indicated this is a folder.
Format
Example Y
Format
Example D
Y
!00
$ssssssss
!00
!00
$00000003
!00
D
!00
LF>
!00
D
!00
<SP>
<SP>
<SP>
<SP>
<SP>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
n
1
FULL PATH[\]
M:\TMP\TEST.TXT
M:\TMP\
<LF>
<LF>
<LF>
<LF>
<LF>
<LF>
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n File Handle 0 through F
ssssssss 4 bytes in HEX position in the file
The file with handle 1 has the file pointer at
index 0x03
<
Full path: The full path where the FILE is
located.
[\]: if '\' is added at the end of the full path
string, it means we are deleting a
FOLDER, not file.
Remove the FILE with name TEST.TXT in
TMP folder on SD memory card. This will
not delete the TMP folder.
Remove the FOLDER with name TMP in
root folder of memory card. The folder
must be empty.
ALFAT SoC Processor
ALFAT Command Set
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