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authorBdale Garbee <bdale@gag.com>2018-10-20 01:18:12 -0600
committerBdale Garbee <bdale@gag.com>2018-10-20 01:18:12 -0600
commit0686a7b8aec524d81bda4c572549a3a068ce0eed (patch)
tree2e6061c834b99e3b9668be8b3cfb1627251365d3 /src/avr/ao_led_avr.c
parent6aa451ce81bfdfe679e3f9902043a5f0d235c745 (diff)
parentcc528f1ff0271ec6488a1a7b91c731183502101e (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.c68
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
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+++ 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;
+}