SmartGPU2-LCD480X320Touch-CommandSet

SMART GPU 2 3.5” TOUCH

Command Set

2.11.7 Compare Buffer to EEPROM Page# –43hex – ‘C’ ascii

Commands (host)

3 bytes

1.- 0x45 (hex), E (ascii). *EEPROM command.

2.- 0x43((hex), C (ascii).

3.- EEPROM Page #(number).

Responses (device)

1 byte Result + 1 byte ACK/NAK

1.- 0x00-Contents Differ or

0x01-Contents are Equal.

2.- 0x4F (hex), O (ascii) – success ACK or

0x46 (hex), F (ascii) – fail NAK.

Description

This Command Simply Compares all the current

EEPROM RAM Buffer contents to the contents of

the received EEPROM Page Number(2048 bytes).

If contents differ, the SmartGPU 2 will reply 0x00,

if contents are equal, it will reply 0x01.

Example (sent and received

commands)

Example 1:

<45,43,06> -01,4F- Compare EEPROM Page 6

with EEPROM RAM Buffer contents, received

0x01; contents are equal.

Example 2:

<45,43,01> -00,4F- Compare EEPROM Page 1

with EEPROM RAM Buffer contents, received

0x00; contents differ.

All data is in hex.