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)
26 LED_PORT->bsrr = (colors & ao_led_enable);
29 LED_PORT_0->bsrr = ((colors & ao_led_enable) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
32 LED_PORT_1->bsrr = ((colors & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
38 ao_led_off(uint16_t colors)
41 LED_PORT->bsrr = (uint32_t) (colors & ao_led_enable) << 16;
44 LED_PORT_0->bsrr = ((uint32_t) (colors & ao_led_enable) & LED_PORT_0_MASK) << (LED_PORT_0_SHIFT + 16);
47 LED_PORT_1->bsrr = ((uint32_t) (colors & ao_led_enable) & LED_PORT_1_MASK) << (LED_PORT_1_SHIFT + 16);
53 ao_led_set(uint16_t colors)
55 uint16_t on = colors & ao_led_enable;
56 uint16_t off = ~colors & ao_led_enable;
63 ao_led_toggle(uint16_t colors)
66 LED_PORT->odr ^= (colors & ao_led_enable);
69 LED_PORT_0->odr ^= ((colors & ao_led_enable) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
72 LED_PORT_1->odr ^= ((colors & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
78 ao_led_for(uint16_t colors, uint16_t ticks) __reentrant
85 #define init_led_pin(port, bit) do { \
86 stm_moder_set(port, bit, STM_MODER_OUTPUT); \
87 stm_otyper_set(port, bit, STM_OTYPER_PUSH_PULL); \
91 ao_led_init(uint16_t enable)
95 ao_led_enable = enable;
97 stm_rcc.ahbenr |= (1 << LED_PORT_ENABLE);
98 LED_PORT->odr &= ~enable;
101 stm_rcc.ahbenr |= (1 << LED_PORT_0_ENABLE);
102 LED_PORT_0->odr &= ~((enable & ao_led_enable) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
105 stm_rcc.ahbenr |= (1 << LED_PORT_1_ENABLE);
106 LED_PORT_1->odr &= ~((enable & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
109 for (bit = 0; bit < 16; bit++) {
110 if (enable & (1 << bit)) {
112 init_led_pin(LED_PORT, bit);
115 if (LED_PORT_0_MASK & (1 << bit))
116 init_led_pin(LED_PORT_0, bit + LED_PORT_0_SHIFT);
119 if (LED_PORT_1_MASK & (1 << bit))
120 init_led_pin(LED_PORT_1, bit + LED_PORT_1_SHIFT);