1 /** 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 20 #ifndef __WS2812_H__ 21 #define __WS2812_H__ 22 23 #include <stddef.h> 24 #include <stdint.h> 25 26 #ifdef __cplusplus 27 extern "C" { 28 #endif 29 30 #define WS2812_PWM 0 31 #define WS2812_GPIO 30 32 #define WS2812_NUM_LED 32 33 34 int ws2812_init(void); 35 36 int ws2812_write(const uint32_t *rgb); 37 38 #ifdef __cplusplus 39 } 40 #endif 41 42 #endif /* __WS2812_H__ */ 43