/* Copyright (c) 2017 Lambor Fang. All Rights Reserved.

*

* Licensees are granted free, non-transferable use of the information. NO

* WARRANTY of ANY KIND is provided. This heading must NOT be removed from

* the file.

*

*/

/* Software-based WS2812 driver - timings are designed for STM32F405 */

#ifndef STM32_WS2812B_DRIVER_H__

#define STM32_WS2812B_DRIVER_H__

#include "jspin.h"

#include "jshardware.h"

// pattern ws2812b pulses holding time

#define PATTERN_PULSE_T0H() for(uint32_t i = 0; i < 17; i++) {__NOP();}

#define PATTERN_PULSE_T0L() for(uint32_t i = 0; i < 33; i++) {__NOP();}

#define PATTERN_PULSE_T1H() for(uint32_t i = 0; i < 30; i++) {__NOP();}

#define PATTERN_PULSE_T1L() for(uint32_t i = 0; i < 20; i++) {__NOP();}

#define PATTERN_0_CODE(pin) do { \

jshPinSetValue(pin, true); \

PATTERN_PULSE_T0H() \

jshPinSetValue(pin, false); \

PATTERN_PULSE_T0L() \

} while(0)

#define PATTERN_1_CODE(pin) do { \

jshPinSetValue(pin, true); \

PATTERN_PULSE_T1H() \

jshPinSetValue(pin, false); \

PATTERN_PULSE_T1L() \

}while(0)

bool stm32_neopixelWrite(Pin pin, unsigned char *rgbData, size_t rgbSize);

#endif // STM32_WS2812B_DRIVER_H__