From b6a0cc926e74d245335589210129692dfd5dbb18 Mon Sep 17 00:00:00 2001
From: YunHorn Technology <dp.s@yunhorn.com>
Date: Mon, 21 Jul 2025 19:05:43 +0800
Subject: [PATCH] wip for fade-in lamp bar

---
 Core/Src/sts_lamp_bar.c | 68 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/Core/Src/sts_lamp_bar.c b/Core/Src/sts_lamp_bar.c
index 0da9c61..5e17359 100644
--- a/Core/Src/sts_lamp_bar.c
+++ b/Core/Src/sts_lamp_bar.c
@@ -170,11 +170,79 @@ void STS_Lamp_Bar_Set_RGB_Color(uint8_t red, uint8_t green, uint8_t blue )
 		STS_WS2812B_Refresh();
 }
 
+void STS_Lamp_Bar_Set_RGB_Color_HalfTone(uint8_t red, uint8_t green, uint8_t blue, uint8_t fade_length, uint8_t fade_direction )
+{
+	uint8_t i =0, k=0;
+	UTIL_MEM_set_8((void*)rgb_buf.GRB,0x00,(WS2812B_DATA_LEN+RESET_PULSE));
+
+	uint8_t fade_len = min(fade_length, STS_LAM_BAR_LED_NUM); //ensure it's not over length
+	uint8_t cc_red=red, cc_green= green, cc_blue=blue;
+
+	do
+	{
+		for (uint8_t j = 0;	j <	8;	j ++)
+		{
+			rgb_buf.GRB[i*24+j]		=	(uint16_t)(((cc_green<<j)&0x80)? ONE_PULSE : ZERO_PULSE);
+			rgb_buf.GRB[i*24+8+j]	=	(uint16_t)(((cc_red<<j)&0x80)? ONE_PULSE : ZERO_PULSE);
+			rgb_buf.GRB[i*24+16+j]	=	(uint16_t)(((cc_blue<<j)&0x80)? ONE_PULSE : ZERO_PULSE);
+		}
+		if (fade_direction==TOP_DOWN)
+		{
+			cc_red 		*= (STS_LAMP_BAR_LED_NUM - i)/fade_len;
+			cc_green 	*= (STS_LAMP_BAR_LED_NUM - i)/fade_len;
+			cc_blue 	*= (STS_LAMP_BAR_LED_NUM - i)/fade_len;
+			i++;
+		} else if (fade_direction==BOTTOM_UP)
+		{
+			cc_red 		*= (STS_LAMP_BAR_LED_NUM - i)/fade_len;
+			cc_green 	*= (STS_LAMP_BAR_LED_NUM - i)/fade_len;
+			cc_blue 	*= (STS_LAMP_BAR_LED_NUM - i)/fade_len;
+			i--;
+		}
+
+	}while( k++ < fade_len);
+
+		STS_WS2812B_Refresh();
+}
 void STS_Lamp_Bar_Refresh(void)
 {
 	STS_Lamp_Bar_Set_STS_RGB_Color(sts_lamp_bar_color, luminance_level);
 }
+void STS_Lamp_Bar_Set_STS_RGB_Color_HalfTone(uint8_t sts_lamp_color, uint8_t max_lum_level)
+{
+	if (sts_lamp_color <=8)
+	{
+		switch (sts_lamp_color)
+		{
+			case STS_DARK:
+				STS_Lamp_Bar_Set_RGB_Color(0x0, 0x0, 0x0);
+			break;
+			case STS_GREEN:
+				STS_Lamp_Bar_Set_RGB_Color(0x0, lum, 0x0);
+				STS_Lamp_Bar_Set_RGB_Color_HalfTone(0x0, lum, 0x0);
+			break;
+			case STS_RED:
+				STS_Lamp_Bar_Set_RGB_Color(lum, 0x0, 0x0);
+			break;
+			case STS_BLUE:
+				STS_Lamp_Bar_Set_RGB_Color(0x0, 0x0, lum);
+			break;
+			case STS_YELLOW:
+				STS_Lamp_Bar_Set_RGB_Color(lum, lum, 0x0);
+			break;
+			case STS_PINK:
+				STS_Lamp_Bar_Set_RGB_Color(lum, 0x0, lum);
+			break;
+			case STS_CYAN:
+				STS_Lamp_Bar_Set_RGB_Color(0x0, lum, lum);
+			break;
+			case STS_WHITE:
+				STS_Lamp_Bar_Set_RGB_Color(lum, lum, lum);
+			break;
+		}
+	}
 
+}
 void STS_Lamp_Bar_Set_STS_RGB_Color(uint8_t sts_lamp_color, uint8_t lum)
 {
 	if (sts_lamp_color <=8)