RG14 datasheet(38/56 Pages) RENESAS

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RL78 Family

Chapter 5

User Interface

EEPROM Emulation Library Pack02

R01US0068EJ0100

Rev.1.00

Page 38 of 53

Mar. 28, 2014

EEL_Init

[Function]

Processing to initialize the RAM used for EEPROM emulation

[Format]

eel_status_t

__far EEL_Init (void)

CALL !EEL_Init or CALL !!EEL_Init

Remark Call this function by using ! if placing the EEL at 00000H to 0FFFFH or by using !! if not.

[Pre-conditions]

The FSL and the EEL processing must be either not executing or finished.

The FDL_Init and FDL_Open function must have finished normally.

[Post-conditions]

Execute the EEL_Open function.

[Cautions]

When starting EEPROM emulation, always execute this function to initialize the RAM to be used.

This function is mutually exclusive with FSL. Before executing this function, be sure to close FSL. Also, never

use any FSL functions during EEPROM emulation.

To use FSL after this function is executed, the RAM must be reinitialized, so always execute this function

when restarting EEL.

To execute this function again, always close EEL.

[Register status after calling this function]

Return values: C

[Arguments]

None

[Return values]

Type

Symbol Definition

Description

eel_status_t

EEL_OK

Normal end

EEL_ERR_CONFIGURATION

Initialization error. The EEL cannot be executed with the

values set by the FDL_Init and EEL_Init functions.

Check the current setting referring to section 4.3, Initial

Values to be set by User.

Remark Assembly language return values are stored in register C.

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