/* * (C) Copyright 2006 * Atmel Nordic AB * Ulf Samuelsson * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #define GREEN_LED AT91C_PIO_PB0 #define YELLOW_LED AT91C_PIO_PB1 #define RED_LED AT91C_PIO_PB2 void green_LED_on(void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; PIOB->PIO_CODR = GREEN_LED; } void yellow_LED_on(void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; PIOB->PIO_CODR = YELLOW_LED; } void red_LED_on(void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; PIOB->PIO_CODR = RED_LED; } void green_LED_off(void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; PIOB->PIO_SODR = GREEN_LED; } void yellow_LED_off(void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; PIOB->PIO_SODR = YELLOW_LED; } void red_LED_off(void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; PIOB->PIO_SODR = RED_LED; } void coloured_LED_init (void) { AT91PS_PIO PIOB = AT91C_BASE_PIOB; AT91PS_PMC PMC = AT91C_BASE_PMC; PMC->PMC_PCER = (1 << AT91C_ID_PIOB); /* Enable PIOB clock */ /* Disable peripherals on LEDs */ PIOB->PIO_PER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0; /* Enable pins as outputs */ PIOB->PIO_OER = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0; /* Turn all LEDs OFF */ PIOB->PIO_SODR = AT91C_PIO_PB2 | AT91C_PIO_PB1 | AT91C_PIO_PB0; }