diff options
author | Bdale Garbee <bdale@gag.com> | 2018-10-20 01:18:12 -0600 |
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committer | Bdale Garbee <bdale@gag.com> | 2018-10-20 01:18:12 -0600 |
commit | 0686a7b8aec524d81bda4c572549a3a068ce0eed (patch) | |
tree | 2e6061c834b99e3b9668be8b3cfb1627251365d3 /src/avr/ao_led_avr.c | |
parent | 6aa451ce81bfdfe679e3f9902043a5f0d235c745 (diff) | |
parent | cc528f1ff0271ec6488a1a7b91c731183502101e (diff) |
Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos
Diffstat (limited to 'src/avr/ao_led_avr.c')
-rw-r--r-- | src/avr/ao_led_avr.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/avr/ao_led_avr.c b/src/avr/ao_led_avr.c new file mode 100644 index 00000000..165e95d3 --- /dev/null +++ b/src/avr/ao_led_avr.c @@ -0,0 +1,68 @@ +/* + * Copyright © 2009 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" + +uint8_t ao_led_enable; + +#define LED_PORT PORTB +#define LED_DDR DDRB + +void +ao_led_on(uint8_t colors) +{ + LED_PORT |= (colors & ao_led_enable); +} + +void +ao_led_off(uint8_t colors) +{ + LED_PORT &= ~(colors & ao_led_enable); +} + +void +ao_led_set(uint8_t colors) +{ + LED_PORT = (LED_PORT & ~(ao_led_enable)) | (colors & ao_led_enable); +} + +void +ao_led_toggle(uint8_t colors) +{ + LED_PORT ^= (colors & ao_led_enable); +} + +void +ao_led_for(uint8_t colors, uint16_t ticks) +{ + ao_led_on(colors); + ao_delay(ticks); + ao_led_off(colors); +} + +void +ao_led_init(uint8_t enable) +{ + ao_led_enable = enable; + if ((LED_DDR & enable)) { + printf ("oops! restarted\n"); + ao_panic(AO_PANIC_REBOOT); + } + LED_PORT &= ~enable; + LED_DDR |= enable; +} |