changeset 891:a7f4451ba69e Evo_2_23

Added hysteresis for ascent speed coloring: In the previous version acenting with a speed close to the color limits caused a fast changing of the color for depth visiualization. To avoid this "blinking" a hysteresis has been added to the speed evaluation function.
author ideenmodellierer
date Tue, 10 Sep 2024 21:16:32 +0200
parents 651d21777b61
children 0e084e5554a8
files Discovery/Src/data_central.c
diffstat 1 files changed, 7 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/Discovery/Src/data_central.c	Fri Sep 06 18:43:30 2024 +0200
+++ b/Discovery/Src/data_central.c	Tue Sep 10 21:16:32 2024 +0200
@@ -922,23 +922,27 @@
 #define SPEED_SLOW		(5.0f)
 #define SPEED_MEDIUM	(10.0f)
 #define SPEED_HIGH		(15.0f)
+#define SPEED_HYSTERESE (1.0f)
 
 uint8_t drawingColor_from_ascentspeed(float speed)
 {
+	static uint8_t lastColor = 0;
+
 	uint8_t color = CLUT_Font020;
 
-    if(speed >= SPEED_HIGH)
+    if((speed >= SPEED_HIGH) || ((lastColor == CLUT_WarningRed) && (speed >= SPEED_HIGH - SPEED_HYSTERESE)))
     {
     	color = CLUT_WarningRed;
     }
-    else if(speed >= SPEED_MEDIUM)
+    else if((speed >= SPEED_MEDIUM) || ((lastColor == CLUT_WarningYellow) && (speed >= SPEED_MEDIUM - SPEED_HYSTERESE)))
     {
     	color = CLUT_WarningYellow;
     }
-    else if(speed >= SPEED_SLOW)
+    else if((speed >= SPEED_SLOW) || ((lastColor == CLUT_NiceGreen) && (speed >= SPEED_SLOW - SPEED_HYSTERESE)))
     {
     	color = CLUT_NiceGreen;
     }
+    lastColor = color;
     return color;
 }