From a8e3c37efcf82a6b0214cfc89792f2967813d45a Mon Sep 17 00:00:00 2001
From: David Ellefsen <david@ellefsen.co.za>
Date: Mon, 11 Mar 2024 16:06:48 +0200
Subject: [PATCH] Factory reset GNSS_MODEL_MTK GPS modules with PCAS10,3

---
 src/gps/GPS.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 849c387949..651328a70e 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -1168,6 +1168,11 @@ bool GPS::factoryReset()
         // byte _message_CFG_RST_COLDSTART[] = {0xB5, 0x62, 0x06, 0x04, 0x04, 0x00, 0xFF, 0xB9, 0x00, 0x00, 0xC6, 0x8B};
         // _serial_gps->write(_message_CFG_RST_COLDSTART, sizeof(_message_CFG_RST_COLDSTART));
         // delay(1000);
+    } else if (gnssModel == GNSS_MODEL_MTK) {
+        // send the CAS10 to perform a factory restart of the device (and other device that support PCAS statements)
+        LOG_INFO("GNSS Factory Reset via PCAS10,3\n");
+        _serial_gps->write("$PCAS10,3*1F\r\n");
+        delay(100);
     } else {
         // send the UBLOX Factory Reset Command regardless of detect state, something is very wrong, just assume it's UBLOX.
         // Factory Reset