create app for wiegand protocol

update app for wiegand protocol

improve wiegand app

app improvement and fix Kconig

examples/wiegand/Kconfig

@@ -0,0 +1,29 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+config EXAMPLES_WIEGAND
+	tristate "Wiegand example"
+	default n
+	---help---
+		Enable the wiegand example
+
+if EXAMPLES_WIEGAND
+
+config EXAMPLES_WIEGAND_PROGNAME
+	string "Program name"
+	default "wiegand"
+	---help---
+		This is the name of the program that will be used when the NSH ELF
+		program is installed.
+
+config EXAMPLES_WIEGAND_PRIORITY
+	int "wiegand task priority"
+	default 100
+
+config EXAMPLES_WIEGAND_STACKSIZE
+	int "wiegand stack size"
+	default DEFAULT_TASK_STACKSIZE
+
+endif

examples/wiegand/Make.defs

@@ -0,0 +1,23 @@
+############################################################################
+# apps/examples/wiegand/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+ifneq ($(CONFIG_EXAMPLES_WIEGAND),)
+CONFIGURED_APPS += $(APPDIR)/examples/wiegand
+endif

examples/wiegand/Makefile

@@ -0,0 +1,34 @@
+############################################################################
+# apps/examples/wiegand/Make.defs
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.  The
+# ASF licenses this file to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance with the
+# License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations
+# under the License.
+#
+############################################################################
+
+include $(APPDIR)/Make.defs
+
+# wiegand built-in application info
+
+PROGNAME  = $(CONFIG_EXAMPLES_WIEGAND_PROGNAME)
+PRIORITY  = $(CONFIG_EXAMPLES_WIEGAND_PRIORITY)
+STACKSIZE = $(CONFIG_EXAMPLES_WIEGAND_STACKSIZE)
+MODULE    = $(CONFIG_EXAMPLES_WIEGAND)
+
+# wiegand Example
+
+MAINSRC = wiegand.c
+
+include $(APPDIR)/Application.mk

examples/wiegand/wiegand.c

@@ -0,0 +1,77 @@
+/****************************************************************************
+ * apps/examples/wiegand/wiegand.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <inttypes.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <nuttx/wiegand/wiegand.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Wiegand
+ ****************************************************************************/
+
+int main(int argc, FAR char *argv[])
+{
+  int fd;
+  int ret;
+  struct wiegand_data_s data;
+
+  fd = open ("/dev/wiega0", O_RDONLY);
+
+  if (fd < 0)
+    {
+      printf("Erro: Failed to open \n");
+      return -1;
+    }
+
+  printf("Wiegand app is running\n");
+
+  while (1)
+    {
+      ret = read(fd, &data, sizeof(data));
+      if (ret > 0)
+        {
+          if (data.status == WIEGAND_SUCCESS)
+            {
+              printf("ABA Code: %d\n", data.aba_code);
+              printf("FC: %04x \n", data.facility_code);
+              printf("ID: %06x\n", data.id);
+              break;
+            }
+        }
+
+      sleep(1);
+    }
+
+  close (fd);
+
+  return 0;
+}