/**
* @file WS2812_ATY.c
*
* @param Project DEVICE_GENERAL_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2026 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief functions of WS2812 for C platform (Dev-style)
*
* @version
*       - 1_01_251112 > ATY
*           -# Refactor to Dev-style; remove legacy global interfaces
********************************************************************************
*/

 #ifndef __WS2812_ATY_C
 #define __WS2812_ATY_C

 #include "WS2812_ATY.h"

 static void _ws2812_send_byte(struct WS2812_ATY_Dev* dev, uint8_t byte)
 {
     for (int i = 7; i >= 0; --i) {
         uint8_t bit = (byte >> i) & 0x01;
         dev->sendBit(bit);
     }
 }

 uint8_t WS2812_InitDev(struct WS2812_ATY_Dev* dev)
 {
     if (!dev || !dev->sendBit) return 1;
     if (dev->debugEnable == 1 && dev->LOG) dev->LOG("\r\nWS2812 init done.");
     return 0;
 }

 void WS2812_SendColorDev(struct WS2812_ATY_Dev* dev, uint8_t R, uint8_t G, uint8_t B)
 {
     __ATY_LOCK(dev);
     _ws2812_send_byte(dev, G);
     _ws2812_send_byte(dev, R);
     _ws2812_send_byte(dev, B);
     if (dev->reset_us) dev->reset_us(60);
     if (dev->debugEnable == 1 && dev->LOG) dev->LOG("\r\nWS2812 send color.");
     __ATY_UNLOCK(dev);
 }

 void WS2812_SendBufferDev(struct WS2812_ATY_Dev* dev, const uint8_t* rgb, uint16_t count)
 {
     __ATY_LOCK(dev);
     if (!dev || !dev->sendBit || !rgb) { __ATY_UNLOCK(dev); return; }
     for (uint16_t i = 0; i < count; ++i) {
         uint8_t R = rgb[i*3 + 0];
         uint8_t G = rgb[i*3 + 1];
         uint8_t B = rgb[i*3 + 2];
         _ws2812_send_byte(dev, G);
         _ws2812_send_byte(dev, R);
         _ws2812_send_byte(dev, B);
     }
     if (dev->reset_us) dev->reset_us(60);
     if (dev->debugEnable == 1 && dev->LOG) dev->LOG("\r\nWS2812 send buffer.");
     __ATY_UNLOCK(dev);
 }

 #endif /* __WS2812_ATY_C */

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