Cirrus Logic AN118 - Manual (Page 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();
}
}