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OzEEPROMManager

This protocol helps you to manage the EEPROM. The ID of the EEPROM manager is always "EEPROM".

How to test the EEPROM Manager on Arduino Mega?
Arduino codes are included.

I. "Welcome" event from microcontroller

Example

c=welcome&id=EEPROM&type=OzEEPROMManager&pos=0&t=1

Parameters

Parameter Type Range Functionality
c String "welcome" Identifies the welcome message.
id String "EEPROM" The ID of the EEPROM manager is always "EEPROM".
type String "OzEEPROMManager" Determines the type of the device.
pos Byte 0-255 Determines the position of the device on the list of the ID manager of the microcontroller. Please make sure there are no other devices in the same position.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



II. Commands to microcontroller

"Info" command

With this command you can get some information of the EEPROM.

Example

c=info&t=0&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "info" Identifies the command.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=info_resp&num_blocks=2&eeprom_size=4096&free_space=4073&id=EEPROM&t=2

Parameters

Parameter Type Range Functionality
c String "info_resp" Identifies the response.
num_blocks Ushort 0-2047 Number of contiguous memory blocks.
eeprom_size Ushort 0-4095 Maximum capacity of EEPROM in bytes.
free_space Ushort 0-4095 Free space on EEPROM in bytes.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



"List" command

With this command you can list the properties of the allocated blocks.

Example

c=list&t=1&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "list" Identifies the command.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=list_resp&count=1&id=EEPROM&t=3
[c=list&block_start=4089&block_size=7&block_is_dev=1&block_devnum=1&block_index=0
	&id=EEPROM&t=4]
[...]

Parameters

Parameter Type Range Functionality
c String "list_resp" Identifies the response.
count Ushort 0-2047 Number of taken memory blocks.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.
list String Annyi list response érkezik amennyi a count paraméter értéke. Identifies the response.
block_start Ushort 0-4095 Gives the starting byte of the block.
block_size Ushort 0-2047 A block's size in bytes.
block_is_dev Bool 0, 1 If TRUE, then the current block is allocated for a device ID.
block_devnum Byte 0-255 The position of the device in the IDManager.
block_index Ushort 0-2047 Index of the released block.



"Format" command

This command deletes all data form the EEPROM.

Example

c=format&t=2&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "format" Identifies the command.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=format_resp&num_blocks=0&eeprom_size=4096&free_space=4095&id=EEPROM&t=10

Parameters

Parameter Type Range Functionality
c String "format_resp" Identifies the response.
num_blocks Ushort 0-2047 Number of contiguous memory blocks.
eeprom_size Ushort 0-4095 Maximum capacity of EEPROM in bytes.
free_space Ushort 0-4095 Free space on EEPROM in bytes.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



"Read" command

With this command you can read data from EEPROM. Blockindex is the index of the block to read from. The blocks are indexed by the Oz EEPROM Manager. TYPE determines the type of the readable data. The offset is measured from the start of the block until the readable data.

Example

c=read&blockindex=0&type=int&offset=0&t=3&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "read" Identifies the command.
blockindex Ushort 0-2047 Index of the block to be read from.
type String int, long, float, string Determines the type of the readable data.
offset Byte 0-255 Shift within a block.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=read_resp&block_index=0&offset=0&data=27445&id=EEPROM&t=11

Parameters

Parameter Type Range Functionality
c String "read_resp" Identifies the response.
blockindex Ushort 0-2047 Index of the scanned block.
offset Byte 0-255 Shift within a block.
data String Scanned data.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



"Write" command

With this command you can write data to the EEPROM.

Example

c=write&blockindex=0&type=string&data=235&offset=1&t=4&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "write" Identifies the command.
blockindex Ushort 0-2047 Index of the block to be written.
type String int, long, float, string Determines the type of the data to be written.
data String Data to be written.
offset Byte 0-255 Shift within a block.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=write_resp&block_index=0&offset=1&data=235&id=EEPROM&t=12

Parameters

Parameter Type Range Functionality
c String "write_resp" Identifies the response.
block_index Ushort 0-2047 Index of the written block.
offset Byte 0-255 Shift within a block.
data String Written data.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



"Allocate" command

This command allocates space. The space can be allocated for a device or for any other purpose.

Example

c=allocate&devnum=1&amount=200&is_device=1&t=5&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "allocate" Identifies the command.
devnum Byte 0-255 Number of the device in the IDManager.
amount Ushort 0-4096 Allocated space in bytes.
is_device Bool 0,1 If TRUE, then the current block will be allocated for a device ID.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=allocate_resp&devnum=1&blockindex=1&amount=200&id=EEPROM&t=13

Parameters

Parameter Type Range Functionality
c String "allocate_resp" Identifies the response.
devnum Byte 0-255 Number of the device in the IDManager.
blockindex Ushort 0-2047 Index of the allocated block.
amount Ushort 0-4095 Allocated space in bytes.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



"Deallocate" command

With this command you can free allocated space from the EEPROM.

Example

c=deallocate&index=2&t=6&id=EEPROM

Parameters

Parameter Type Range Functionality
c String "deallocate" Identifies the command.
index Byte 0-255 Index of the block to be deallocated.
t Byte 0-255 Counts the number of commands sent. Counts from 0 to 255 then from 0 again.
id String "EEPROM" The ID of the device. Fix value.

Response

c=deallocate_resp&blockindex=0&id=EEPROM&t=14

Parameters

Parameter Type Range Functionality
c String "deallocate_resp" Identifies the response.
blockindex Byte 0-255 Index of the deallocated block.
id String "EEPROM" The ID of the device. Fix value.
t Byte 0-255 Counts the number of events and responses sent combined. Counts from 0 to 255 then from 0 again.



III. Event from microcontroller

None

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