2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20 __pdata uint16_t ao_led_enable;
23 ao_led_on(uint16_t colors)
25 LED_PORT.odr |= (colors & ao_led_enable);
29 ao_led_off(uint16_t colors)
31 LED_PORT.odr &= ~(colors & ao_led_enable);
35 ao_led_set(uint16_t colors)
37 LED_PORT.odr = (LED_PORT.odr & ~(ao_led_enable)) | (colors & ao_led_enable);
41 ao_led_toggle(uint16_t colors)
43 LED_PORT.odr ^= (colors & ao_led_enable);
47 ao_led_for(uint16_t colors, uint16_t ticks) __reentrant
55 ao_led_init(uint16_t enable)
59 stm_rcc.ahbenr |= (1 << LED_PORT_ENABLE);
60 ao_led_enable = enable;
61 LED_PORT.odr &= ~enable;
62 for (bit = 0; bit < 16; bit++) {
63 if (enable & (1 << bit)) {
64 stm_moder_set(&LED_PORT, bit, STM_MODER_OUTPUT);
65 stm_otyper_set(&LED_PORT, bit, STM_OTYPER_PUSH_PULL);