gnss-m9n-f4:Add serial_passthru

boards/matek/gnss-m9n-f4/default.px4board

@@ -14,6 +14,7 @@ CONFIG_SYSTEMCMDS_I2CDETECT=y
 CONFIG_SYSTEMCMDS_NSHTERM=y
 CONFIG_SYSTEMCMDS_PARAM=y
 CONFIG_SYSTEMCMDS_REBOOT=y
+CONFIG_SYSTEMCMDS_SERIAL_PASSTHRU=y
 CONFIG_SYSTEMCMDS_TOP=y
 CONFIG_SYSTEMCMDS_TOPIC_LISTENER=y
 CONFIG_SYSTEMCMDS_UORB=y

boards/matek/gnss-m9n-f4/nuttx-config/Kconfig

@@ -0,0 +1,23 @@
+menu "SERIAL_PASSTHRU Configuration"
+config SERIAL_PASSTHRU_UBLOX
+	bool "Detect and Auto Connect on U-Center messages"
+	default n
+	---help---
+		This option will enable the cdc_acm_check to launch
+		The passthru driver.
+
+config SERIAL_PASSTHRU_UBLOX_DEV
+	string "Device path of the GPS"
+	depends on SERIAL_PASSTHRU_UBLOX
+	default "/dev/ttyS2"
+	---help---
+		This is the path of the device used as the right side
+		of the passthru.
+
+config SERIAL_PASSTHRU_UBLOX_BAUDRATE
+	string "baudrate"
+	depends on SERIAL_PASSTHRU_UBLOX
+	default "115200"
+	---help---
+		This option sets the baudrate for the passthru.
+endmenu

boards/matek/gnss-m9n-f4/nuttx-config/nsh/defconfig

@@ -128,6 +128,7 @@ CONFIG_SCHED_LPWORKSTACKSIZE=1632
 CONFIG_SCHED_WAITPID=y
 CONFIG_SEM_NNESTPRIO=8
 CONFIG_SEM_PREALLOCHOLDERS=0
+CONFIG_SERIAL_PASSTHRU_UBLOX=y
 CONFIG_SERIAL_TERMIOS=y
 CONFIG_SIG_DEFAULT=y
 CONFIG_SIG_SIGALRM_ACTION=y