1 /* 2 * Copyright (c) 2023 Martin Kiepfer <mrmarteng@teleschirm.org> 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 7 #ifndef ZEPHYR_DT_LED_WS2812C_H_ 8 #define ZEPHYR_DT_LED_WS2812C_H_ 9 10 /* 11 * At 7 MHz: 1 bit in 142.86 ns 12 * 1090 ns -> 7.6 bits 13 * 300 ns -> 2.1 bits 14 * 790 ns -> 5.5 bits 15 */ 16 #define WS2812C_SPI_FREQ (7000000U) 17 #define WS2812C_ZERO_FRAME (0xC0U) 18 #define WS2812C_ONE_FRAME (0xFCU) 19 20 #endif 21