Relay example from Darcy Gong

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5306 42af7a65-404d-4744-a932-0658087f49c3

8 files changed, 306 insertions, 15 deletions

diff --git a/apps/ChangeLog.txt b/apps/ChangeLog.txt
index ff90d50dd..0c4e94fd9 100644
--- a/apps/ChangeLog.txt
+++ b/apps/ChangeLog.txt
@@ -399,3 +399,4 @@
 	  Qiang Yu and the RGMP team.
 	* apps/netutils/webclient, apps/netutils.codes, and apps/examples/wgetjson:
 	  Add support for wget POST interface.  Contributed by Darcy Gong.
+	* apps/examples/relays:  A relay example contributed by Darcy Gong.
diff --git a/apps/examples/Kconfig b/apps/examples/Kconfig
index f7a923b94..c0d126ad4 100644
--- a/apps/examples/Kconfig
+++ b/apps/examples/Kconfig
@@ -39,6 +39,7 @@ source "$APPSDIR/examples/pipe/Kconfig"
 source "$APPSDIR/examples/poll/Kconfig"
 source "$APPSDIR/examples/pwm/Kconfig"
 source "$APPSDIR/examples/qencoder/Kconfig"
+source "$APPSDIR/examples/relays/Kconfig"
 source "$APPSDIR/examples/rgmp/Kconfig"
 source "$APPSDIR/examples/romfs/Kconfig"
 source "$APPSDIR/examples/sendmail/Kconfig"
diff --git a/apps/examples/Make.defs b/apps/examples/Make.defs
index 8d36aaa40..1c6151384 100644
--- a/apps/examples/Make.defs
+++ b/apps/examples/Make.defs
@@ -178,6 +178,10 @@ ifeq ($(CONFIG_EXAMPLES_QENCODER),y)
 CONFIGURED_APPS += examples/qencoder
 endif
 
+ifeq ($(CONFIG_EXAMPLES_RELAYS),y)
+CONFIGURED_APPS += examples/relays
+endif
+
 ifeq ($(CONFIG_EXAMPLES_RGMP),y)
 CONFIGURED_APPS += examples/rgmp
 endif
diff --git a/apps/examples/Makefile b/apps/examples/Makefile
index 0eaffbc15..8e058998f 100644
--- a/apps/examples/Makefile
+++ b/apps/examples/Makefile
@@ -40,9 +40,9 @@
 SUBDIRS  = adc buttons can cdcacm composite cxxtest dhcpd discover elf ftpc
 SUBDIRS += ftpd hello helloxx hidkbd igmp json lcdrw mm modbus mount
 SUBDIRS += nettest nsh null nx nxconsole nxffs nxflat nxhello nximage
-SUBDIRS += nxlines nxtext ostest  pashello pipe poll pwm qencoder rgmp
-SUBDIRS += romfs serloop telnetd thttpd tiff touchscreen udp uip usbserial
-SUBDIRS += sendmail usbstorage usbterm watchdog wget wgetjson wlan
+SUBDIRS += nxlines nxtext ostest  pashello pipe poll pwm qencoder relays
+SUBDIRS += rgmp romfs serloop telnetd thttpd tiff touchscreen udp uip
+SUBDIRS += usbserial sendmail usbstorage usbterm watchdog wget wgetjson wlan
 
 # Sub-directories that might need context setup.  Directories may need
 # context setup for a variety of reasons, but the most common is because
@@ -58,7 +58,7 @@ CNTXTDIRS = pwm
 
 ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
 CNTXTDIRS += adc can cdcacm composite cxxtestdhcpd discover ftpd json
-CNTXTDIRS += modbus nettest qencoder telnetd watchdog wgetjson
+CNTXTDIRS += modbus nettest relays qencoder telnetd watchdog wgetjson
 endif
 
 ifeq ($(CONFIG_EXAMPLES_HELLO_BUILTIN),y)
diff --git a/apps/examples/README.txt b/apps/examples/README.txt
index 3f24ec4e2..fd0dcf5c5 100644
--- a/apps/examples/README.txt
+++ b/apps/examples/README.txt
@@ -1208,17 +1208,23 @@ examples/qencoder
 
   Specific configuration options for this example include:
  
-  CONFIG_EXAMPLES_QENCODER_DEVPATH - The path to the QE device. Default:
-    /dev/qe0
-  CONFIG_EXAMPLES_QENCODER_NSAMPLES - If CONFIG_NSH_BUILTIN_APPS
-    is defined, then the number of samples is provided on the command line
-    and this value is ignored.  Otherwise, this number of samples is
-    collected and the program terminates.  Default:  Samples are collected
-    indefinitely.
-  CONFIG_EXAMPLES_QENCODER_DELAY - This value provides the delay (in
-    milliseonds) between each sample.  If CONFIG_NSH_BUILTIN_APPS
-    is defined, then this value is the default delay if no other delay is
-    provided on the command line.  Default:  100 milliseconds
+    CONFIG_EXAMPLES_QENCODER_DEVPATH - The path to the QE device. Default:
+      /dev/qe0
+    CONFIG_EXAMPLES_QENCODER_NSAMPLES - If CONFIG_NSH_BUILTIN_APPS
+      is defined, then the number of samples is provided on the command line
+      and this value is ignored.  Otherwise, this number of samples is
+      collected and the program terminates.  Default:  Samples are collected
+      indefinitely.
+    CONFIG_EXAMPLES_QENCODER_DELAY - This value provides the delay (in
+      milliseonds) between each sample.  If CONFIG_NSH_BUILTIN_APPS
+      is defined, then this value is the default delay if no other delay is
+      provided on the command line.  Default:  100 milliseconds
+
+examples/relays
+^^^^^^^^^^^^^^^
+
+  Requires CONFIG_ARCH_RELAYS.
+  Contributed by Darcy Gong.
 
 examples/rgmp
 ^^^^^^^^^^^^^
diff --git a/apps/examples/relays/Kconfig b/apps/examples/relays/Kconfig
new file mode 100644
index 000000000..1e1f9aa5b
--- /dev/null
+++ b/apps/examples/relays/Kconfig
@@ -0,0 +1,20 @@
+#
+# For a description of the syntax of this configuration file,
+# see misc/tools/kconfig-language.txt.
+#
+
+config EXAMPLES_RELAYS
+	bool "wget JSON Example"
+	default n
+	depends on NETUTILS_JSON
+	---help---
+		Enable the wget JSON example
+
+if EXAMPLES_RELAYS
+
+config EXAMPLES_RELAYS_NRELAYS
+	int "Number of Relays"
+	default 2
+	depends on ARCH_RELAYS
+
+endif
diff --git a/apps/examples/relays/Makefile b/apps/examples/relays/Makefile
new file mode 100644
index 000000000..6641c94b4
--- /dev/null
+++ b/apps/examples/relays/Makefile
@@ -0,0 +1,105 @@
+############################################################################
+# apps/examples/relays/Makefile
+#
+#   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# relays Example
+
+ASRC =
+CSRC = relays_main.c
+
+AOBJ = $(ASRCS:.S=$(OBJEXT))
+COBJ = $(CSRCS:.c=$(OBJEXT))
+
+SRC = $(ASRCS) $(CSRCS)
+OBJ = $(AOBJS) $(COBJS)
+
+ifeq ($(WINTOOL),y)
+  BIN = "${shell cygpath -w $(APPDIR)/libapps$(LIBEXT)}"
+else
+  BIN = "$(APPDIR)/libapps$(LIBEXT)"
+endif
+
+ROOTDEPPATH = --dep-path .
+
+# Buttons built-in application info
+
+APPNAME = relays
+PRIORITY = SCHED_PRIORITY_DEFAULT
+STACKSIZE = 2048
+
+# Common build
+
+VPATH = 
+
+all: .built
+.PHONY: context clean depend distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $(BIN), $${obj}); \
+	done ; )
+	@touch .built
+
+.context:
+ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
+	$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
+	@touch $@
+endif
+
+context: .context
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f *.o *~ .*.swp .built
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
diff --git a/apps/examples/relays/relays_main.c b/apps/examples/relays/relays_main.c
new file mode 100644
index 000000000..c7ad6db0f
--- /dev/null
+++ b/apps/examples/relays/relays_main.c
@@ -0,0 +1,154 @@
+/****************************************************************************
+ * examples/relays/relays_main.c
+ *
+ *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+ *   Author: Darcy Gong
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/arch.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+
+#ifdef CONFIG_ARCH_RELAYS
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+#ifndef CONFIG_EXAMPLES_RELAYS_NRELAYS
+#  define CONFIG_EXAMPLES_RELAYS_NRELAYS  2
+#endif
+
+ /****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: relays_main
+ ****************************************************************************/
+
+int relays_main(int argc, char *argv[])
+{
+  char *stat = NULL;
+  char *no = NULL;
+  bool badarg = false;
+  bool set_stat = false;
+  uint32_t r_stat;
+  int option;
+  int n = -1;
+  int ret = -1;
+  int i;
+
+  while ((option = getopt(argc, argv, ":n:")) != ERROR)
+    {
+      switch (option)
+        {
+          case 'n':
+            no = optarg;
+            n = atoi(no);
+            break;
+
+          case ':':
+            badarg = true;
+            break;
+
+          case '?':
+          default:
+            badarg = true;
+            break;
+        }
+    }
+
+  if (badarg)
+    {
+      printf("usage: relays [ -n <relay id> ] <switch-status>\n");
+      return -1;
+    }
+  
+  if (optind == argc - 1)
+    {
+      stat = argv[optind];
+      set_stat = (!strcmp(stat,"on") || !strcmp(stat,"ON")) ? true : false ;
+    }
+  
+  up_relaysinit();
+    
+  if (n >= 0)
+    {
+      printf("set RELAY ID %d to %s\n", n , set_stat ? "ON" : "OFF");
+      relays_setstat(n,set_stat);
+    }
+  else
+    {
+      r_stat = 0;
+      for (i = 0; i < CONFIG_EXAMPLES_RELAYS_NRELAYS; i++)
+        {
+          printf("set RELAY ID %d to %s\n", i , set_stat ? "ON" : "OFF");
+          r_stat |= (set_stat ? 1 : 0) << i;
+        }
+
+      relays_setstats(r_stat);
+    }
+
+  return 0;
+}
+
+#endif /* CONFIG_ARCH_RELAYS */