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authorDimitri Sokolyuk <demon@dim13.org>2012-11-03 15:41:15 +0000
committerDimitri Sokolyuk <demon@dim13.org>2012-11-03 15:41:15 +0000
commit6ecd5db7fa3647f6a2ed707cf0d36ebc27eba795 (patch)
tree968d05f1cfe39de9b16dfe8b27cb55e259a5570d
parentc59874a21f04db01094f2b489a02017184bf3fa9 (diff)
bump frame to 20ms
-rw-r--r--kernel/rgb.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/rgb.c b/kernel/rgb.c
index 115552d..8bae4b8 100644
--- a/kernel/rgb.c
+++ b/kernel/rgb.c
@@ -48,6 +48,8 @@ rgb(void *arg)
}
}
+#define SCALE(x) (((x) << 6) + ((x) << 4)) /* x80, ~20ms */
+
void
pwm(void *arg)
{
@@ -65,13 +67,13 @@ pwm(void *arg)
/* on */
if (t) {
PORTB |= _BV(a->pin);
- sleep(0, t << 6);
+ sleep(0, SCALE(t));
}
/* off */
if ((t = UINT8_MAX - t)) {
PORTB &= ~_BV(a->pin);
- sleep(0, t << 6);
+ sleep(0, SCALE(t));
}
}
}