From 268c4dece3eb5ffcc7bd47ebe05d81fe8089ff29 Mon Sep 17 00:00:00 2001
From: Krzysiek Egzmont <egzumer@gmail.com>
Date: Sat, 9 Dec 2023 15:40:38 +0100
Subject: [PATCH] S0 and S9 value settings #174

---
 settings.c | 17 +++++++++++++----
 settings.h |  4 ++++
 ui/main.c  | 10 +++++-----
 3 files changed, 22 insertions(+), 9 deletions(-)

diff --git a/settings.c b/settings.c
index d98171015..b75d0451e 100644
--- a/settings.c
+++ b/settings.c
@@ -132,9 +132,13 @@ void SETTINGS_InitEEPROM(void)
 	memmove(&gEeprom.POWER_ON_PASSWORD, Data, 4);
 
 	// 0EA0..0EA7
-	#ifdef ENABLE_VOICE
-		EEPROM_ReadBuffer(0x0EA0, Data, 8);
-		gEeprom.VOICE_PROMPT = (Data[0] < 3) ? Data[0] : VOICE_PROMPT_ENGLISH;
+	EEPROM_ReadBuffer(0x0EA0, Data, 8);
+	#ifdef ENABLE_VOICE	
+	gEeprom.VOICE_PROMPT = (Data[0] < 3) ? Data[0] : VOICE_PROMPT_ENGLISH;
+	#endif
+	#ifdef ENABLE_RSSI_BAR
+		gEeprom.S0_LEVEL = (Data[1] < 0xFF) ? Data[1] : 130;
+		gEeprom.S9_LEVEL = (Data[2] < gEeprom.S0_LEVEL-9) ? Data[2] : 76;
 	#endif
 
 	// 0EA8..0EAF
@@ -524,8 +528,13 @@ void SETTINGS_SaveSettings(void)
 	memset(State, 0xFF, sizeof(State));
 #ifdef ENABLE_VOICE
 	State[0] = gEeprom.VOICE_PROMPT;
-	EEPROM_WriteBuffer(0x0EA0, State);
 #endif
+#ifdef ENABLE_RSSI_BAR
+	State[1] = gEeprom.S0_LEVEL;
+	State[2] = gEeprom.S9_LEVEL;
+#endif	
+	EEPROM_WriteBuffer(0x0EA0, State);
+
 
 	#if defined(ENABLE_ALARM) || defined(ENABLE_TX1750)
 		State[0] = gEeprom.ALARM_MODE;
diff --git a/settings.h b/settings.h
index d9e078713..4b27f605e 100644
--- a/settings.h
+++ b/settings.h
@@ -247,6 +247,10 @@ typedef struct {
 #endif
 	uint8_t               BACKLIGHT_MAX;
 	BATTERY_Type_t		  BATTERY_TYPE;
+#ifdef ENABLE_RSSI_BAR
+	uint8_t               S0_LEVEL;
+	uint8_t               S9_LEVEL;
+#endif
 } EEPROM_Config_t;
 
 extern EEPROM_Config_t gEeprom;
diff --git a/ui/main.c b/ui/main.c
index c2daa063f..7633f6883 100644
--- a/ui/main.c
+++ b/ui/main.c
@@ -198,17 +198,17 @@ void DisplayRSSIBar(const bool now)
 		memset(p_line, 0, LCD_WIDTH);
 	
 
-	const int16_t      s0_dBm       = -130;                  // S0 .. base level
-	const int16_t      rssi_dBm     = 
+	const int16_t s0_dBm   = -gEeprom.S0_LEVEL;                  // S0 .. base level
+	const int16_t rssi_dBm = 
 		BK4819_GetRSSI_dBm()
 #ifdef ENABLE_AM_FIX
 		+ ((gSetting_AM_fix && gRxVfo->Modulation == MODULATION_AM) ? AM_fix_get_gain_diff() : 0)
 #endif	
 		+ dBmCorrTable[gRxVfo->Band];
 	
-
-	const uint8_t s_level = MIN(MAX((rssi_dBm - s0_dBm) / 6, 0), 9); // S0 - S9
-	uint8_t overS9dBm = MIN(MAX(rssi_dBm - (s0_dBm + 9*6), 0), 99);
+	int s0_9 = gEeprom.S0_LEVEL - gEeprom.S9_LEVEL;
+	const uint8_t s_level = MIN(MAX((int32_t)(rssi_dBm - s0_dBm)*100 / (s0_9*100/9), 0), 9); // S0 - S9
+	uint8_t overS9dBm = MIN(MAX(rssi_dBm + gEeprom.S9_LEVEL, 0), 99);
 	uint8_t overS9Bars = MIN(overS9dBm/10, 4);
 	
 	if(overS9Bars == 0) {