WS2812ESP32 example name is configurable and default name shortened

examples/ws2812esp32rmt/CMakeLists.txt

@@ -21,7 +21,7 @@
 if(CONFIG_EXAMPLES_WS2812_ESP32_RMT)
   nuttx_add_application(
     NAME
-    ws2812esp32rmt
+    ${CONFIG_EXAMPLES_WS2812_ESP32_RMT_PROGNAME}
     PRIORITY
     ${CONFIG_EXAMPLES_WS2812_ESP32_RMT_PRIORITY}
     STACKSIZE

examples/ws2812esp32rmt/Kconfig

@@ -12,6 +12,13 @@ config EXAMPLES_WS2812_ESP32_RMT
 
 if EXAMPLES_WS2812_ESP32_RMT
 
+config EXAMPLES_WS2812_ESP32_RMT_PROGNAME
+	string "Program Name"
+	default "ws2812esp32"
+	---help---
+		This is the name of the program that will be used when the NSH ELF
+		program is installed.
+
 config EXAMPLES_WS2812_ESP32_RMT_PRIORITY
 	int "Task Priority"
 	default 100

examples/ws2812esp32rmt/Makefile

@@ -22,7 +22,7 @@ include $(APPDIR)/Make.defs
 
 # MTD R/W buffer test Example
 
-PROGNAME = ws2812esp32rmt
+PROGNAME = $(CONFIG_EXAMPLES_WS2812_ESP32_RMT_PROGNAME)
 PRIORITY = $(CONFIG_EXAMPLES_WS2812_ESP32_RMT_PRIORITY)
 STACKSIZE = $(CONFIG_EXAMPLES_WS2812_ESP32_RMT_STACKSIZE)
 MODULE = $(CONFIG_EXAMPLES_WS2812_ESP32_RMT)

examples/ws2812esp32rmt/ws2812esp32rmt_main.c

@@ -163,7 +163,8 @@ int main(int argc, FAR char *argv[])
   if (fd < 0)
     {
       fprintf(stderr,
-              "ws2812esp32rmt: open %s failed: %d\n",
+              "%s: open %s failed: %d\n",
+              argv[0],
               dev_name,
               errno);
       goto errout_with_dev;