/* * Copyright (c) 2021 Seagate Technology LLC * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_SAMPLES_DRIVERS_LED_WS2812_F070RB_BINDINGS_H #define ZEPHYR_SAMPLES_DRIVERS_LED_WS2812_F070RB_BINDINGS_H /* * Everlight B1414 LED controller; * * Each bit of the control signal (waveform) is described with a 1.2 us pulse: * 0 bit: 300 ns high and 900 ns low. * 1 bit: 900 ns high and 300 ns low. * * At 6 MHz, one bit represents 166.666 ns. * 1200 ns -> 7.2 bits * 300 ns -> 1.8 bits * 900 ns -> 5.4 bits */ #define B1414_SPI_FREQ 6000000 #define B1414_ZERO_FRAME 0x60 #define B1414_ONE_FRAME 0x7C #endif