/*********************************************************************************** * Copyright (c) 2015, Jacques Supcik, HEIA-FR * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ***********************************************************************************/ #include #include #include ws2811_t ledstring = { .freq = 800000, .dmanum = 10, .channel = { [0] = { .gpionum = 18, .count = 256, .invert = 0, .brightness = 32, }, [1] = { .gpionum = 0, .count = 0, .invert = 0, .brightness = 0, }, }, }; void ws2811_set_led(ws2811_t *ws2811, int index, uint32_t value) { ws2811->channel[0].leds[index] = value; } void ws2811_clear(ws2811_t *ws2811) { for (int chan = 0; chan < RPI_PWM_CHANNELS; chan++) { ws2811_channel_t *channel = &ws2811->channel[chan]; memset(channel->leds, 0, sizeof(ws2811_led_t) * channel->count); } } void ws2811_set_bitmap(ws2811_t *ws2811, void* a, int len) { memcpy(ws2811->channel[0].leds, a, len); }