Fujitsu MB2146-450-E Setup Manual - Page 32

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4.2.2 Beep .c

When AD key is pressed, it will make a short beep sound by setting different values to PIN

PPG1.

Following table describes the Beep library:

Function Name

void Beep_On(void)

void Beep_Off(void)

4.2.3 EEPROM .c

In this function, all values of EEPROM are initialized to 0x80 and global parameters are

initialled to 0.

Following table describes the EEPROM library:

Function Name

void Init_EEProm(void)

4.2.4 Ext-interrupt .c

In this function, external interrupt register are initialized.

Following table describes the external interrupt library:

Function Name

void EXT_Init(void)

__interrupt void INTER_EXT (void)

EV BOARD MB2146-450-E V1.3

Chapter 4 Sample Code Manual

beep sound out

Off beep sound

Initialize all global variables and EEPROM values to

their sub-address numbers

Initialize external interrupt

Capture falling edge and generate interrupt

MCU-AN-500072-E-13 – Page 32

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