Cirrus-logic AN118 Manual do Utilizador descarregar pdf (Página 26)

AN118

26 AN118REV2

/* Test Mode 7: This test mode tests the operation of

the LEDS’s by turning all of them on and off. */

case 0x07:

toggle_all_leds();

break;

} /* END switch */

} /* End test_mode */

/**************************************************************/

/* Routine - toggle_all_leds */

/* Input - none */

/* Output - none */

/* Description - This routine is used toggle all four LED */

/**************************************************************/

void toggle_all_leds(){

while(1){

P2 = 0x00; /*Toggle all LED’s for Start Up Sequence indicator test*/

Delay();

P2 = 0xFF;

Delay();

}

/**************************************************************/

/* Routine - toggle_two_leds */

/* Input - none */

/* Output - none */

/* Description - This routine is used toggle two LEDS */

/**************************************************************/

void toggle_two_leds(){

while(1){

RESET = 0x00;

COMM = 0x00;

Delay();

RESET = 0x01;

COMM = 0x01;

Delay();

}

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Cirrus-logic AN118 Manual do Utilizador Página 26