/* $Id$ */ /* * Copyright (c) 2011 Dimitri Sokolyuk * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include "kernel.h" #include "tasks.h" void hsv(uint8_t *, uint8_t *, uint8_t *, uint16_t, uint8_t, uint8_t); void rgb(void *arg) { struct rgbarg *a = (struct rgbarg *)arg; uint16_t i = 0; uint8_t r, g, b, v = 0; for (;;) { i = (i + 1) % 360; hsv(&r, &g, &b, i, 255, v); cli(); a->r = r; a->g = g; a->b = b; v = *a->v; /* 10bit to 8bit */ sei(); sleep(0, 40000); } } void pwm(void *arg) { struct pwmarg *a = (struct pwmarg *)arg; uint32_t t; DDRB |= _BV(a->pin); PORTB &= ~_BV(a->pin); for (;;) { cli(); t = *a->value; sei(); /* on */ if (t) { PORTB |= _BV(a->pin); sleep(0, t * 80); } /* off */ if ((t = UINT8_MAX - t)) { PORTB &= ~_BV(a->pin); sleep(0, t * 80); } } }