TuxMonkey/tronone-h7-scaffold
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ioc changed but not tested

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TuxMonkey
2026-07-20 15:39:06 +08:00
parent bd7f8f2962
commit d13729b162
6 changed files with 63 additions and 37 deletions
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20
User_Code/module/periph/ws2812/ws2812.c
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@@ -16,6 +16,9 @@
#include "ws2812.h"
#define WS2812_SPI_TIMEOUT 2U
#define WS2812_RESET_BYTES 100U
#define WS2812_LowLevel 0xC0 // 0码
#define WS2812_HighLevel 0xF0 // 1码
@@ -29,17 +32,22 @@ void WS2812_Ctrl(uint8_t r, uint8_t g, uint8_t b)
{
uint8_t txbuf[24];
uint8_t res = 0;
for (auto i = 0; i < 8; i++)
for (uint8_t i = 0; i < 8U; 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 (auto i = 0; i < 100; i++)
if (HAL_SPI_Transmit(&WS2812_SPI_UNIT, txbuf, sizeof(txbuf), WS2812_SPI_TIMEOUT) != HAL_OK)
{
HAL_SPI_Transmit(&WS2812_SPI_UNIT, &res, 1, 0xFFFF);
return;
}
for (uint8_t i = 0; i < WS2812_RESET_BYTES; i++)
{
if (HAL_SPI_Transmit(&WS2812_SPI_UNIT, &res, 1U, WS2812_SPI_TIMEOUT) != HAL_OK)
{
return;
}
}
}