Some gentle massaging to get things building again.

.gitignore

@@ -1,12 +1,16 @@
 .built
 *.context
+*.bdat
+*.pdat
 .depend
+.updated
 .config
+.config-e
 .version
 .project
 .cproject
-apps/namedapp/namedapp_list.h
+apps/builtin/builtin_list.h
-apps/namedapp/namedapp_proto.h
+apps/builtin/builtin_proto.h
 Make.dep
 *.pyc
 *.o

apps/Makefile

@@ -49,7 +49,10 @@ APPDIR = ${shell pwd}
 #   list can be extended by the .config file as well.
 
 CONFIGURED_APPS =
-SUBDIRS = examples graphics interpreters modbus builtin nshlib netutils system
+
+SUBDIRS = examples interpreters builtin nshlib system
+
+#SUBDIRS = examples graphics interpreters modbus builtin nshlib netutils system
 
 # There are two different mechanisms for obtaining the list of configured
 # directories:

apps/builtin/exec_builtin.c

@@ -293,7 +293,7 @@ static inline int builtin_startproxy(int index, FAR const char **argv,
   int errcode;
   int ret;
 
-  DEBUGASSERT(path);
+//  DEBUGASSERT(path);
 
   svdbg("index=%d argv=%p redirfile=%s oflags=%04x\n",
         index, argv, redirfile, oflags);

apps/examples/Makefile

@@ -37,12 +37,15 @@
 
 # Sub-directories
 
-SUBDIRS  = adc buttons can cdcacm composite cxxtest dhcpd discover elf ftpc
+SUBDIRS  = adc can cdcacm nsh
-SUBDIRS += ftpd hello helloxx hidkbd igmp json keypadtest lcdrw mm modbus mount
+SUBDIRS += math_demo control_demo kalman_demo px4_deamon_app 
-SUBDIRS += nettest nsh null nx nxconsole nxffs nxflat nxhello nximage
+
-SUBDIRS += nxlines nxtext ostest  pashello pipe poll pwm posix_spawn qencoder
+#SUBDIRS  = adc buttons can cdcacm composite cxxtest dhcpd discover elf ftpc
-SUBDIRS += relays rgmp romfs serloop telnetd thttpd tiff touchscreen udp uip
+#SUBDIRS += ftpd hello helloxx hidkbd igmp json keypadtest lcdrw mm modbus mount
-SUBDIRS += usbserial sendmail usbstorage usbterm watchdog wget wgetjson
+#SUBDIRS += nettest nsh null nx nxconsole nxffs nxflat nxhello nximage
+#SUBDIRS += nxlines nxtext ostest  pashello pipe poll pwm posix_spawn qencoder
+#SUBDIRS += relays rgmp romfs serloop telnetd thttpd tiff touchscreen udp uip
+#SUBDIRS += usbserial sendmail usbstorage usbterm watchdog wget wgetjson
 
 # Sub-directories that might need context setup.  Directories may need
 # context setup for a variety of reasons, but the most common is because
@@ -57,9 +60,12 @@ SUBDIRS += usbserial sendmail usbstorage usbterm watchdog wget wgetjson
 CNTXTDIRS = pwm
 
 ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
-CNTXTDIRS += adc can cdcacm composite cxxtest dhcpd discover ftpd hello json
+
-CNTXTDIRS += keypadtestmodbus nettest nxlines relays qencoder telnetd watchdog
+CNTXTDIRS += adc can cdcacm
-CNTXTDIRS += wgetjson
+
+#CNTXTDIRS += adc can cdcacm composite cxxtest dhcpd discover ftpd hello json
+#CNTXTDIRS += keypadtestmodbus nettest nxlines relays qencoder telnetd watchdog
+#CNTXTDIRS += wgetjson
 endif
 
 ifeq ($(CONFIG_EXAMPLES_HELLOXX_BUILTIN),y)

apps/namedapp/namedapp_list.h

@@ -0,0 +1,42 @@
+/* List of application requirements, generated during make context. */
+{ "math_demo", SCHED_PRIORITY_DEFAULT, 8192, math_demo_main },
+{ "control_demo", SCHED_PRIORITY_DEFAULT, 2048, control_demo_main },
+{ "kalman_demo", SCHED_PRIORITY_MAX - 30, 2048, kalman_demo_main },
+{ "reboot", SCHED_PRIORITY_DEFAULT, 2048, reboot_main },
+{ "perf", SCHED_PRIORITY_DEFAULT, 2048, perf_main },
+{ "top", SCHED_PRIORITY_DEFAULT - 10, 3000, top_main },
+{ "boardinfo", SCHED_PRIORITY_DEFAULT, 2048, boardinfo_main },
+{ "mixer", SCHED_PRIORITY_DEFAULT, 4096, mixer_main },
+{ "eeprom", SCHED_PRIORITY_DEFAULT, 4096, eeprom_main },
+{ "param", SCHED_PRIORITY_DEFAULT, 4096, param_main },
+{ "bl_update", SCHED_PRIORITY_DEFAULT, 4096, bl_update_main },
+{ "preflight_check", SCHED_PRIORITY_DEFAULT, 2048, preflight_check_main },
+{ "delay_test", SCHED_PRIORITY_DEFAULT, 2048, delay_test_main },
+{ "uorb", SCHED_PRIORITY_DEFAULT, 4096, uorb_main },
+{ "mavlink", SCHED_PRIORITY_DEFAULT, 2048, mavlink_main },
+{ "mavlink_onboard", SCHED_PRIORITY_DEFAULT, 2048, mavlink_onboard_main },
+{ "gps", SCHED_PRIORITY_DEFAULT, 2048, gps_main },
+{ "commander", SCHED_PRIORITY_MAX - 30, 2048, commander_main },
+{ "sdlog", SCHED_PRIORITY_MAX - 30, 2048, sdlog_main },
+{ "sensors", SCHED_PRIORITY_MAX-5, 4096, sensors_main },
+{ "ardrone_interface", SCHED_PRIORITY_MAX - 15, 2048, ardrone_interface_main },
+{ "multirotor_att_control", SCHED_PRIORITY_MAX - 15, 2048, multirotor_att_control_main },
+{ "multirotor_pos_control", SCHED_PRIORITY_MAX - 25, 2048, multirotor_pos_control_main },
+{ "fixedwing_att_control", SCHED_PRIORITY_MAX - 30, 2048, fixedwing_att_control_main },
+{ "fixedwing_pos_control", SCHED_PRIORITY_MAX - 30, 2048, fixedwing_pos_control_main },
+{ "position_estimator", SCHED_PRIORITY_DEFAULT, 4096, position_estimator_main },
+{ "attitude_estimator_ekf", SCHED_PRIORITY_DEFAULT, 2048, attitude_estimator_ekf_main },
+{ "ms5611", SCHED_PRIORITY_DEFAULT, 2048, ms5611_main },
+{ "hmc5883", SCHED_PRIORITY_DEFAULT, 4096, hmc5883_main },
+{ "mpu6000", SCHED_PRIORITY_DEFAULT, 4096, mpu6000_main },
+{ "bma180", SCHED_PRIORITY_DEFAULT, 2048, bma180_main },
+{ "l3gd20", SCHED_PRIORITY_DEFAULT, 2048, l3gd20_main },
+{ "px4io", SCHED_PRIORITY_DEFAULT, 2048, px4io_main },
+{ "blinkm", SCHED_PRIORITY_DEFAULT, 2048, blinkm_main },
+{ "tone_alarm", SCHED_PRIORITY_DEFAULT, 2048, tone_alarm_main },
+{ "adc", SCHED_PRIORITY_DEFAULT, 2048, adc_main },
+{ "fmu", SCHED_PRIORITY_DEFAULT, 2048, fmu_main },
+{ "hil", SCHED_PRIORITY_DEFAULT, 2048, hil_main },
+{ "tests", SCHED_PRIORITY_DEFAULT, 12000, tests_main },
+{ "sercon", SCHED_PRIORITY_DEFAULT, 2048, sercon_main },
+{ "serdis", SCHED_PRIORITY_DEFAULT, 2048, serdis_main },

apps/namedapp/namedapp_proto.h

@@ -0,0 +1,42 @@
+/* List of application entry points, generated during make context. */
+EXTERN int math_demo_main(int argc, char *argv[]);
+EXTERN int control_demo_main(int argc, char *argv[]);
+EXTERN int kalman_demo_main(int argc, char *argv[]);
+EXTERN int reboot_main(int argc, char *argv[]);
+EXTERN int perf_main(int argc, char *argv[]);
+EXTERN int top_main(int argc, char *argv[]);
+EXTERN int boardinfo_main(int argc, char *argv[]);
+EXTERN int mixer_main(int argc, char *argv[]);
+EXTERN int eeprom_main(int argc, char *argv[]);
+EXTERN int param_main(int argc, char *argv[]);
+EXTERN int bl_update_main(int argc, char *argv[]);
+EXTERN int preflight_check_main(int argc, char *argv[]);
+EXTERN int delay_test_main(int argc, char *argv[]);
+EXTERN int uorb_main(int argc, char *argv[]);
+EXTERN int mavlink_main(int argc, char *argv[]);
+EXTERN int mavlink_onboard_main(int argc, char *argv[]);
+EXTERN int gps_main(int argc, char *argv[]);
+EXTERN int commander_main(int argc, char *argv[]);
+EXTERN int sdlog_main(int argc, char *argv[]);
+EXTERN int sensors_main(int argc, char *argv[]);
+EXTERN int ardrone_interface_main(int argc, char *argv[]);
+EXTERN int multirotor_att_control_main(int argc, char *argv[]);
+EXTERN int multirotor_pos_control_main(int argc, char *argv[]);
+EXTERN int fixedwing_att_control_main(int argc, char *argv[]);
+EXTERN int fixedwing_pos_control_main(int argc, char *argv[]);
+EXTERN int position_estimator_main(int argc, char *argv[]);
+EXTERN int attitude_estimator_ekf_main(int argc, char *argv[]);
+EXTERN int ms5611_main(int argc, char *argv[]);
+EXTERN int hmc5883_main(int argc, char *argv[]);
+EXTERN int mpu6000_main(int argc, char *argv[]);
+EXTERN int bma180_main(int argc, char *argv[]);
+EXTERN int l3gd20_main(int argc, char *argv[]);
+EXTERN int px4io_main(int argc, char *argv[]);
+EXTERN int blinkm_main(int argc, char *argv[]);
+EXTERN int tone_alarm_main(int argc, char *argv[]);
+EXTERN int adc_main(int argc, char *argv[]);
+EXTERN int fmu_main(int argc, char *argv[]);
+EXTERN int hil_main(int argc, char *argv[]);
+EXTERN int tests_main(int argc, char *argv[]);
+EXTERN int sercon_main(int argc, char *argv[]);
+EXTERN int serdis_main(int argc, char *argv[]);

nuttx/configs/px4fmu/nsh/defconfig

@@ -940,6 +940,7 @@ CONFIG_CDCACM_PRODUCTSTR="PX4 FMU v1.6"
 # CONFIG_NSH_FATNSECTORS - FAT FS number of sectors
 # CONFIG_NSH_FATMOUNTPT - FAT FS mountpoint
 #
+CONFIG_BUILTIN=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_STRERROR=y