From 504e3184caf7fd8de3202a908bd85cd719673f2e Mon Sep 17 00:00:00 2001
From: Quency-D <hj_zzns@163.com>
Date: Fri, 31 Jul 2026 18:33:57 +0800
Subject: [PATCH] Add LC760CA GNSS module support

---
 src/gps/GPS.cpp | 13 ++++++++++---
 src/gps/GPS.h   |  1 +
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 389fa600606..f3eab5a8bb9 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -755,6 +755,11 @@ bool GPS::verifyCachedProbePresence()
         _serial_gps->write("$PDTINFO\r\n");
         present = (getACK("CM121", 900) == GNSS_RESPONSE_OK);
         break;
+    case GNSS_MODEL_LC760CA:
+        cachedProbeModelName = "LC760CA";
+        _serial_gps->write("$PDTINFO,*62\r\n");
+        present = (getACK("$PDTINFO,CC1161W,", 900) == GNSS_RESPONSE_OK);
+        break;
     case GNSS_MODEL_UBLOX6:
     case GNSS_MODEL_UBLOX7:
     case GNSS_MODEL_UBLOX8:
@@ -1128,7 +1133,7 @@ bool GPS::setup()
             } else {
                 LOG_INFO("GNSS module configuration saved!");
             }
-        } else if (gnssModel == GNSS_MODEL_CM121) {
+        } else if (IS_ONE_OF(gnssModel, GNSS_MODEL_CM121, GNSS_MODEL_LC760CA)) {
             // only ask for RMC and GGA
             // enable GGA
             _serial_gps->write("$CFGMSG,0,0,1,1*1B\r\n");
@@ -1672,8 +1677,10 @@ GnssModel_t GPS::probe(int serialSpeed)
     case 1: {
 
         // Unicore UFirebirdII Series: UC6580, UM620, UM621, UM670A, UM680A, or UM681A,or CM121
-        std::vector<ChipInfo> unicore = {
-            {"UC6580", "UC6580", GNSS_MODEL_UC6580}, {"UM600", "UM600", GNSS_MODEL_UC6580}, {"CM121", "CM121", GNSS_MODEL_CM121}};
+        std::vector<ChipInfo> unicore = {{"UC6580", "UC6580", GNSS_MODEL_UC6580},
+                                         {"UM600", "UM600", GNSS_MODEL_UC6580},
+                                         {"CM121", "CM121", GNSS_MODEL_CM121},
+                                         {"LC760CA", "$PDTINFO,CC1161W,", GNSS_MODEL_LC760CA}};
         PROBE_FAMILY("Unicore Family", "$PDTINFO", unicore, 500);
         currentDelay = 20;
         currentStep = 2;
diff --git a/src/gps/GPS.h b/src/gps/GPS.h
index 328a9a316c3..d03b90c88c6 100644
--- a/src/gps/GPS.h
+++ b/src/gps/GPS.h
@@ -43,6 +43,7 @@ typedef enum {
     GNSS_MODEL_AG3352,
     GNSS_MODEL_LS20031,
     GNSS_MODEL_CM121,
+    GNSS_MODEL_LC760CA,
     GNSS_MODEL_GENERIC_NMEA // generic NMEA source (e.g. gpsd); skips chip-specific probe and init
 } GnssModel_t;