-/*
- * Copyright © 2012 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 uint16_t ao_led_enable;
-
-void
-ao_led_on(uint16_t colors)
-{
- LED_PORT->bsrr = (colors & ao_led_enable);
-}
-
-void
-ao_led_off(uint16_t colors)
-{
- LED_PORT->bsrr = (uint32_t) (colors & ao_led_enable) << 16;
-}
-
-void
-ao_led_set(uint16_t colors)
-{
- uint16_t on = colors & ao_led_enable;
- uint16_t off = ~colors & ao_led_enable;
-
- LED_PORT->bsrr = off << 16 | on;
-}
-
-void
-ao_led_toggle(uint16_t colors)
-{
- LED_PORT->odr ^= (colors & ao_led_enable);
-}
-
-void
-ao_led_for(uint16_t colors, uint16_t ticks) __reentrant
-{
- ao_led_on(colors);
- ao_delay(ticks);
- ao_led_off(colors);
-}
-
-void
-ao_led_init(uint16_t enable)
-{
- int bit;
-
- stm_rcc.ahbenr |= (1 << LED_PORT_ENABLE);
- ao_led_enable = enable;
- LED_PORT->odr &= ~enable;
- for (bit = 0; bit < 16; bit++) {
- if (enable & (1 << bit)) {
- stm_moder_set(LED_PORT, bit, STM_MODER_OUTPUT);
- stm_otyper_set(LED_PORT, bit, STM_OTYPER_PUSH_PULL);
- }
- }
-}