-/*
- * 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; 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 "ao.h"
-
-#if LED_PER_LED
-static const struct {
- struct stm_gpio *port;
- uint16_t pin;
-} ao_leds[] = {
-#ifdef LED_0_PORT
- [0] { LED_0_PORT, LED_0_PIN },
-#endif
-#ifdef LED_1_PORT
- [1] { LED_1_PORT, LED_1_PIN },
-#endif
-#ifdef LED_2_PORT
- [2] { LED_2_PORT, LED_2_PIN },
-#endif
-#ifdef LED_3_PORT
- [3] { LED_3_PORT, LED_3_PIN },
-#endif
-#ifdef LED_4_PORT
- [4] { LED_4_PORT, LED_4_PIN },
-#endif
-#ifdef LED_5_PORT
- [5] { LED_5_PORT, LED_5_PIN },
-#endif
-#ifdef LED_6_PORT
- [6] { LED_6_PORT, LED_6_PIN },
-#endif
-#ifdef LED_7_PORT
- [7] { LED_7_PORT, LED_7_PIN },
-#endif
-#ifdef LED_8_PORT
- [8] { LED_8_PORT, LED_8_PIN },
-#endif
-#ifdef LED_9_PORT
- [9] { LED_9_PORT, LED_9_PIN },
-#endif
-#ifdef LED_10_PORT
- [10] { LED_10_PORT, LED_10_PIN },
-#endif
-#ifdef LED_11_PORT
- [11] { LED_11_PORT, LED_11_PIN },
-#endif
-#ifdef LED_12_PORT
- [12] { LED_12_PORT, LED_12_PIN },
-#endif
-#ifdef LED_13_PORT
- [13] { LED_13_PORT, LED_13_PIN },
-#endif
-#ifdef LED_14_PORT
- [14] { LED_14_PORT, LED_14_PIN },
-#endif
-#ifdef LED_15_PORT
- [15] { LED_15_PORT, LED_15_PIN },
-#endif
-};
-#define N_LED (sizeof (ao_leds)/sizeof(ao_leds[0]))
-#endif
-static AO_LED_TYPE ao_led_enable;
-
-void
-ao_led_on(AO_LED_TYPE colors)
-{
-#ifdef LED_PER_LED
- AO_LED_TYPE i;
- for (i = 0; i < N_LED; i++)
- if (colors & (1 << i))
- ao_gpio_set(ao_leds[i].port, ao_leds[i].pin, foo, 1);
-#else
-#ifdef LED_PORT
- LED_PORT->bsrr = (colors & ao_led_enable);
-#else
-#ifdef LED_PORT_0
- LED_PORT_0->bsrr = ((colors & ao_led_enable) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
-#endif
-#ifdef LED_PORT_1
- LED_PORT_1->bsrr = ((colors & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
-#endif
-#endif
-#endif
-}
-
-void
-ao_led_off(AO_LED_TYPE colors)
-{
-#ifdef LED_PER_LED
- AO_LED_TYPE i;
- for (i = 0; i < N_LED; i++)
- if (colors & (1 << i))
- ao_gpio_set(ao_leds[i].port, ao_leds[i].pin, foo, 0);
-#else
-#ifdef LED_PORT
- LED_PORT->bsrr = (uint32_t) (colors & ao_led_enable) << 16;
-#else
-#ifdef LED_PORT_0
- LED_PORT_0->bsrr = ((uint32_t) (colors & ao_led_enable) & LED_PORT_0_MASK) << (LED_PORT_0_SHIFT + 16);
-#endif
-#ifdef LED_PORT_1
- LED_PORT_1->bsrr = ((uint32_t) (colors & ao_led_enable) & LED_PORT_1_MASK) << (LED_PORT_1_SHIFT + 16);
-#endif
-#endif
-#endif
-}
-
-void
-ao_led_set(AO_LED_TYPE colors)
-{
- AO_LED_TYPE on = colors & ao_led_enable;
- AO_LED_TYPE off = ~colors & ao_led_enable;
-
- ao_led_off(off);
- ao_led_on(on);
-}
-
-void
-ao_led_toggle(AO_LED_TYPE colors)
-{
-#ifdef LED_PER_LED
- AO_LED_TYPE i;
- for (i = 0; i < N_LED; i++)
- if (colors & (1 << i))
- ao_gpio_set(ao_leds[i].port, ao_leds[i].pin, foo, ~ao_gpio_get(ao_leds[i].port, ao_leds[i].pin, foo));
-#else
-#ifdef LED_PORT
- LED_PORT->odr ^= (colors & ao_led_enable);
-#else
-#ifdef LED_PORT_0
- LED_PORT_0->odr ^= ((colors & ao_led_enable) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
-#endif
-#ifdef LED_PORT_1
- LED_PORT_1->odr ^= ((colors & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
-#endif
-#endif
-#endif
-}
-
-void
-ao_led_for(AO_LED_TYPE colors, AO_LED_TYPE ticks)
-{
- ao_led_on(colors);
- ao_delay(ticks);
- ao_led_off(colors);
-}
-
-#define init_led_pin(port, bit) do { \
- stm_moder_set(port, bit, STM_MODER_OUTPUT); \
- stm_otyper_set(port, bit, STM_OTYPER_PUSH_PULL); \
- } while (0)
-
-void
-ao_led_init(AO_LED_TYPE enable)
-{
- AO_LED_TYPE bit;
-
- ao_led_enable = enable;
-#if LED_PER_LED
- for (bit = 0; bit < N_LED; bit++)
- ao_enable_output(ao_leds[bit].port, ao_leds[bit].pin, foo, 0);
-#else
-#ifdef LED_PORT
- stm_rcc.ahbenr |= (1 << LED_PORT_ENABLE);
- LED_PORT->odr &= ~enable;
-#else
-#ifdef LED_PORT_0
- stm_rcc.ahbenr |= (1 << LED_PORT_0_ENABLE);
- LED_PORT_0->odr &= ~((enable & ao_led_enable) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
-#endif
-#ifdef LED_PORT_1
- stm_rcc.ahbenr |= (1 << LED_PORT_1_ENABLE);
- LED_PORT_1->odr &= ~((enable & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
-#endif
-#ifdef LED_PORT_2
- stm_rcc.ahbenr |= (1 << LED_PORT_1_ENABLE);
- LED_PORT_1->odr &= ~((enable & ao_led_enable) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
-#endif
-#endif
- for (bit = 0; bit < 16; bit++) {
- if (enable & (1 << bit)) {
-#ifdef LED_PORT
- init_led_pin(LED_PORT, bit);
-#else
-#ifdef LED_PORT_0
- if (LED_PORT_0_MASK & (1 << bit))
- init_led_pin(LED_PORT_0, bit + LED_PORT_0_SHIFT);
-#endif
-#ifdef LED_PORT_1
- if (LED_PORT_1_MASK & (1 << bit))
- init_led_pin(LED_PORT_1, bit + LED_PORT_1_SHIFT);
-#endif
-#ifdef LED_PORT_2
- if (LED_PORT_2_MASK & (1 << bit))
- init_led_pin(LED_PORT_2, bit + LED_PORT_2_SHIFT);
-#endif
-#endif
- }
- }
-#endif
-}