uorb: add generator tool.

e.g.:
1. uorb_generator -f /data/sensor/19700101000003/sensor_accel_uncal0.csv -t sensor_accel_uncal2
2. uorb_generator -s -r 5 -n 200 -t sensor_accel_uncal2 timestamp:1,x:-2.0,y:3,z:4,temperature:5

Signed-off-by: likun17 <likun17@xiaomi.com>

Author: Otpvondoiats

system/uorb/CMakeLists.txt

@@ -51,6 +51,22 @@ if(CONFIG_UORB)
       uorb)
   endif()
 
+  if(CONFIG_UORB_GENERATOR)
+    nuttx_add_application(
+      NAME
+      uorb_generator
+      PRIORITY
+      ${CONFIG_UORB_PRIORITY}
+      STACKSIZE
+      ${CONFIG_UORB_STACKSIZE}
+      MODULE
+      ${CONFIG_UORB}
+      SRCS
+      generator.c
+      DEPENDS
+      uorb)
+  endif()
+
   if(CONFIG_UORB_TEST)
     nuttx_add_application(
       NAME

system/uorb/Kconfig

@@ -22,6 +22,10 @@ config UORB_LISTENER
 	bool "uorb listener"
 	default n
 
+config UORB_GENERATOR
+	bool "uorb generator"
+	default n
+
 config UORB_TESTS
 	bool "uorb unit tests"
 	default n

system/uorb/Makefile

@@ -36,6 +36,11 @@ MAINSRC  += listener.c
 PROGNAME += uorb_listener
 endif
 
+ifneq ($(CONFIG_UORB_GENERATOR),)
+MAINSRC  += generator.c
+PROGNAME += uorb_generator
+endif
+
 ifneq ($(CONFIG_UORB_TESTS),)
 CSRCS    += test/utility.c
 MAINSRC  += test/unit_test.c