ALFAT-SC-340 GHI Electronics, ALFAT-SC-340 Datasheet - Page 32

• Manufacturer Part Number: ALFAT-SC-340
• Description: Processors - Application Specialized FILE SYSTEM SoC with DUAL USB HOST & SD
• Manufacturer: GHI Electronics
• Type: File Systemsr

Specifications of ALFAT-SC-340

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: ALFAT
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 24 MHz
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-64
• Interface Type: I2C, SPI, UART
• Part # Aliases: GHI-ALFAT-SC-340

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>
Page 32 of 51
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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