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/*
* Copyright © 2013 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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 <ao.h>
__pdata AO_PORT_TYPE ao_led_enable;
void
ao_led_on(AO_PORT_TYPE colors)
{
lpc_gpio.pin[LED_PORT] |= colors;
}
void
ao_led_off(AO_PORT_TYPE colors)
{
lpc_gpio.pin[LED_PORT] &= ~colors;
}
void
ao_led_set(AO_PORT_TYPE colors)
{
AO_PORT_TYPE on = colors & ao_led_enable;
AO_PORT_TYPE off = ~colors & ao_led_enable;
ao_led_off(off);
ao_led_on(on);
}
void
ao_led_toggle(AO_PORT_TYPE colors)
{
lpc_gpio.pin[LED_PORT] ^= colors;
}
void
ao_led_for(AO_PORT_TYPE colors, uint16_t ticks) __reentrant
{
ao_led_on(colors);
ao_delay(ticks);
ao_led_off(colors);
}
void
ao_led_init(AO_PORT_TYPE enable)
{
ao_led_enable = enable;
ao_enable_port(LED_PORT);
if (LED_PORT == 0) {
if (enable & (1 << 11))
lpc_ioconf.pio0_11 = LPC_IOCONF_FUNC_PIO0_11 | (1 << LPC_IOCONF_ADMODE);
if (enable & (1 << 12))
lpc_ioconf.pio0_12 = LPC_IOCONF_FUNC_PIO0_12 | (1 << LPC_IOCONF_ADMODE);
if (enable & (1 << 14))
lpc_ioconf.pio0_14 = LPC_IOCONF_FUNC_PIO0_14 | (1 << LPC_IOCONF_ADMODE);
}
lpc_gpio.dir[LED_PORT] |= enable;
ao_led_off(enable);
}
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