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add ws2812task

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TuxMonkey
2025-11-03 22:14:44 +08:00
parent 7a113a32dd
commit 183cc81446
4 changed files with 263 additions and 0 deletions
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42
User_Code/module/periph/ws2812/ws2812.c Normal file
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/**
* @file ws2812.c
* @brief WS2812 LED driver
* @author TuxMonkey (nqx2004@gmail.com)
* @version 1.0
* @date 2025-07-08
*
* @copyright Copyright (c) 2025 DLMU-C.ONE
*
* @par 修改日志:
* <table>
* <tr><th>Date <th>Version <th>Author <th>Description
* <tr><td>2025-07-08 <td>1.0 <td>TuxMonkey <td>内容
* </table>
*/
#include "ws2812.h"
#define WS2812_LowLevel 0xC0 // 0码
#define WS2812_HighLevel 0xF0 // 1码
/**
* @brief
* @param [in] r My Param doc
* @param [in] g My Param doc
* @param [in] b My Param doc
*/
void WS2812_Ctrl(uint8_t r, uint8_t g, uint8_t b) {
uint8_t txbuf[24];
uint8_t res = 0;
for (int i = 0; i < 8; i++) {
txbuf[7 - i] = (((g >> i) & 0x01) ? WS2812_HighLevel : WS2812_LowLevel) >> 1;
txbuf[15 - i] = (((r >> i) & 0x01) ? WS2812_HighLevel : WS2812_LowLevel) >> 1;
txbuf[23 - i] = (((b >> i) & 0x01) ? WS2812_HighLevel : WS2812_LowLevel) >> 1;
}
HAL_SPI_Transmit(&WS2812_SPI_UNIT, &res, 0, 0xFFFF);
while (WS2812_SPI_UNIT.State != HAL_SPI_STATE_READY);
HAL_SPI_Transmit(&WS2812_SPI_UNIT, txbuf, 24, 0xFFFF);
for (int i = 0; i < 100; i++) {
HAL_SPI_Transmit(&WS2812_SPI_UNIT, &res, 1, 0xFFFF);
}
}

12
User_Code/module/periph/ws2812/ws2812.h Normal file
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#ifndef WS2812_H
#define WS2812_H
#include "main.h"
#define WS2812_SPI_UNIT hspi6
extern SPI_HandleTypeDef WS2812_SPI_UNIT;
void WS2812_Ctrl(uint8_t r, uint8_t g, uint8_t b);
#endif