From c43109178055614002fc0642826dde726785930d Mon Sep 17 00:00:00 2001
From: OptimusTi <optimusti@yahoo.com>
Date: Mon, 15 Feb 2021 12:06:14 -0500
Subject: [PATCH] CRSF SNR Range update

This updates SNR range values to keep them inline with typical LoRa SNR values
---
 src/main/fc/settings.yaml |  4 ++--
 src/main/io/osd.c         | 10 +++++-----
 src/main/io/osd.h         |  4 ++--
 3 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/src/main/fc/settings.yaml b/src/main/fc/settings.yaml
index a49d69ff33..ec2b1a01ea 100644
--- a/src/main/fc/settings.yaml
+++ b/src/main/fc/settings.yaml
@@ -2799,8 +2799,8 @@ groups:
         description: "Value below which Crossfire SNR Alarm pops-up. (dB)"
         default_value: "4"
         field: snr_alarm
-        min: -12
-        max: 8
+        min: -20
+        max: 10
       - name: osd_link_quality_alarm
         condition: USE_SERIALRX_CRSF
         description: "LQ % indicator blinks below this value. For Crossfire use 70%, for Tracer use 50%"
diff --git a/src/main/io/osd.c b/src/main/io/osd.c
index 6dbe3189aa..4055cf733a 100755
--- a/src/main/io/osd.c
+++ b/src/main/io/osd.c
@@ -785,7 +785,7 @@ static const char * navigationStateMessage(void)
             break;
         case MW_NAV_STATE_RTH_START:
             return OSD_MESSAGE_STR(OSD_MSG_STARTING_RTH);
-        case MW_NAV_STATE_RTH_CLIMB:            
+        case MW_NAV_STATE_RTH_CLIMB:
             return OSD_MESSAGE_STR(OSD_MSG_RTH_CLIMB);
         case MW_NAV_STATE_RTH_ENROUTE:
             return OSD_MESSAGE_STR(OSD_MSG_HEADING_HOME);
@@ -1685,7 +1685,7 @@ static bool osdDrawSingleElement(uint8_t item)
         }
 
     case OSD_CRSF_SNR_DB: {
-        const char* showsnr = "-12";
+        const char* showsnr = "-20";
         const char* hidesnr = "     ";
         int16_t osdSNR_Alarm = rxLinkStatistics.uplinkSNR;
         if (osdSNR_Alarm <= osdConfig()->snr_alarm) {
@@ -3378,7 +3378,7 @@ textAttributes_t osdGetSystemMessage(char *buff, size_t buff_size, bool isCenter
                 if (FLIGHT_MODE(NAV_RTH_MODE) || FLIGHT_MODE(NAV_WP_MODE) || navigationIsExecutingAnEmergencyLanding()) {
                     if (NAV_Status.state == MW_NAV_STATE_WP_ENROUTE) {
                         // Countdown display for remaining Waypoints
-                        tfp_sprintf(messageBuf, "TO WP %u/%u", posControl.activeWaypointIndex + 1, posControl.waypointCount);                            
+                        tfp_sprintf(messageBuf, "TO WP %u/%u", posControl.activeWaypointIndex + 1, posControl.waypointCount);
                         messages[messageCount++] = messageBuf;
                     } else if (NAV_Status.state == MW_NAV_STATE_HOLD_TIMED) {
                         // WP hold time countdown in seconds
@@ -3388,8 +3388,8 @@ textAttributes_t osdGetSystemMessage(char *buff, size_t buff_size, bool isCenter
                             tfp_sprintf(messageBuf, "HOLDING WP FOR %2u S", holdTimeRemaining);
                             messages[messageCount++] = messageBuf;
                         }
-                    } else {                            
-                        const char *navStateMessage = navigationStateMessage();                             
+                    } else {
+                        const char *navStateMessage = navigationStateMessage();
                         if (navStateMessage) {
                             messages[messageCount++] = navStateMessage;
                         }
diff --git a/src/main/io/osd.h b/src/main/io/osd.h
index d740b5de52..cff0993358 100755
--- a/src/main/io/osd.h
+++ b/src/main/io/osd.h
@@ -292,7 +292,7 @@ typedef struct osdConfig_s {
     float gforce_axis_alarm_min;
     float gforce_axis_alarm_max;
 #ifdef USE_SERIALRX_CRSF
-    int16_t snr_alarm; //CRSF SNR alarm in dB
+    int8_t snr_alarm; //CRSF SNR alarm in dB
     int8_t link_quality_alarm;
 #endif
 #ifdef USE_BARO
@@ -337,7 +337,7 @@ typedef struct osdConfig_s {
 
     bool osd_failsafe_switch_layout;
     uint8_t plus_code_digits; // Number of digits to use in OSD_PLUS_CODE
-    uint8_t plus_code_short; 
+    uint8_t plus_code_short;
     uint8_t osd_ahi_style;
     uint8_t force_grid;                 // Force a pixel based OSD to use grid mode.
     uint8_t ahi_bordered;               // Only used by the AHI widget