| /* | |
| * Copyright (c) 2019, Nordic Semiconductor ASA | |
| * | |
| * SPDX-License-Identifier: Apache-2.0 | |
| */ | |
| #ifndef ZEPHYR_SAMPLES_DRIVERS_LED_WS2812_H_ | |
| #define ZEPHYR_SAMPLES_DRIVERS_LED_WS2812_H_ | |
| /* | |
| * At 4 MHz, 1 bit is 250 ns, so 3 bits is 750 ns. | |
| * | |
| * That's cutting it a bit close to the edge of the timing parameters, | |
| * but it seems to work on AdaFruit LED rings. | |
| */ | |
| #define SPI_FREQ 4000000 | |
| #define ZERO_FRAME 0x40 | |
| #define ONE_FRAME 0x70 | |
| #endif |