From 48cc823a33aef8f57a4efa50f06b09dd2f1a3cdd Mon Sep 17 00:00:00 2001 From: patacongo Date: Sat, 12 Feb 2011 17:30:49 +0000 Subject: Add examples/wlan git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3283 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/examples/wlan/Makefile | 76 +++++++++++++ nuttx/examples/wlan/wlan_main.c | 240 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 316 insertions(+) create mode 100755 nuttx/examples/wlan/Makefile create mode 100755 nuttx/examples/wlan/wlan_main.c (limited to 'nuttx/examples') diff --git a/nuttx/examples/wlan/Makefile b/nuttx/examples/wlan/Makefile new file mode 100755 index 000000000..138a86fa4 --- /dev/null +++ b/nuttx/examples/wlan/Makefile @@ -0,0 +1,76 @@ +############################################################################ +# examples/wlan/Makefile +# +# Copyright (C) 2011 Gregory Nutt. All rights reserved. +# Authors: Gregory Nutt +# Rafael Noronha +# +# 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 + +ASRCS = +AOBJS = $(ASRCS:.S=$(OBJEXT)) +CSRCS = wlan_main.c +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +BIN = libapp$(LIBEXT) + +all: $(BIN) + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +$(BIN): $(OBJS) + @( for obj in $(OBJS) ; do \ + $(call ARCHIVE, $@, $${obj}); \ + done ; ) + +.depend: Makefile $(SRCS) + @$(MKDEP) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + @rm -f $(BIN) *~ .*.swp + $(call CLEAN) + +distclean: clean + @rm -f Make.dep .depend + +-include Make.dep diff --git a/nuttx/examples/wlan/wlan_main.c b/nuttx/examples/wlan/wlan_main.c new file mode 100755 index 000000000..fa13d76d9 --- /dev/null +++ b/nuttx/examples/wlan/wlan_main.c @@ -0,0 +1,240 @@ +/**************************************************************************** + * examples/wlan/wlan_main.c + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt + * Rafael Noronha + * + * 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 Gregory Nutt 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 + +#include +#include + +#include +#include +#include +#include +#include + +#include + +/**************************************************************************** + * Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ + +/* Sanity checking */ + +#ifndef CONFIG_USBHOST +# error "CONFIG_USBHOST is not defined" +#endif + +#ifdef CONFIG_USBHOST_BULK_DISABLE +# error "Bulk endpoints are disabled (CONFIG_USBHOST_BULK_DISABLE)" +#endif + +#ifndef CONFIG_NFILE_DESCRIPTORS +# error "CONFIG_NFILE_DESCRIPTORS > 0 needed" +#endif + +/* Provide some default values for other configuration settings */ + +#ifndef CONFIG_EXAMPLES_WLAN_DEFPRIO +# define CONFIG_EXAMPLES_WLAN_DEFPRIO 50 +#endif + +#ifndef CONFIG_EXAMPLES_WLAN_STACKSIZE +# define CONFIG_EXAMPLES_WLAN_STACKSIZE 1024 +#endif + +#ifndef CONFIG_EXAMPLES_WLAN_DEVNAME +# define CONFIG_EXAMPLES_WLAN_DEVNAME "/dev/wlana" +#endif + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static struct usbhost_driver_s *g_drvr; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: wlan_waiter + * + * Description: + * Wait for USB devices to be connected. + * + ****************************************************************************/ + +static int wlan_waiter(int argc, char *argv[]) +{ + bool connected = false; + int ret; + + printf("wlan_waiter: Running\n"); + for (;;) + { + /* Wait for the device to change state */ + + ret = DRVR_WAIT(g_drvr, connected); + DEBUGASSERT(ret == OK); + + connected = !connected; + printf("wlan_waiter: %s\n", connected ? "connected" : "disconnected"); + + /* Did we just become connected? */ + + if (connected) + { + /* Yes.. enumerate the newly connected device */ + + (void)DRVR_ENUMERATE(g_drvr); + } + } + + /* Keep the compiler from complaining */ + + return 0; +} + +/**************************************************************************** + * Name: user_initialize + ****************************************************************************/ + +void user_initialize(void) +{ +} + +/**************************************************************************** + * Name: user_start + ****************************************************************************/ + +int user_start(int argc, char *argv[]) +{ + char buffer[256]; + pid_t pid; + ssize_t nbytes; + int fd; + int ret; + + /* First, register all of the USB host Wireless LAN drivers */ + + printf("user_start: Register drivers\n"); + ret = usbhost_wlaninit(); + if (ret != OK) + { + printf("user_start: Failed to register the WLAN driver\n"); + } + + /* Then get an instance of the USB host interface */ + + printf("user_start: Initialize USB host WLAN driver\n"); + g_drvr = usbhost_initialize(0); + if (g_drvr) + { + /* Start a thread to handle device connection. */ + + printf("user_start: Start hidkbd_waiter\n"); + +#ifndef CONFIG_CUSTOM_STACK + pid = task_create("usbhost", CONFIG_EXAMPLES_WLAN_DEFPRIO, + CONFIG_EXAMPLES_WLAN_STACKSIZE, + (main_t)wlan_waiter, (const char **)NULL); +#else + pid = task_create("usbhost", CONFIG_EXAMPLES_WLAN_DEFPRIO, + (main_t)wlan_waiter, (const char **)NULL); +#endif + + /* Now just sleep. Eventually logic here will open the WLAN device and + * perform the device test. + */ + + for (;;) + { + /* Open the WLAN device. Loop until the device is successfully + * opened. + */ + + do + { + printf("Opening device %s\n", CONFIG_EXAMPLES_WLAN_DEVNAME); + fd = open(CONFIG_EXAMPLES_WLAN_DEVNAME, O_RDONLY); + if (fd < 0) + { + printf("Failed: %d\n", errno); + fflush(stdout); + sleep(3); + } + } + while (fd < 0); + + printf("Device %s opened\n", CONFIG_EXAMPLES_WLAN_DEVNAME); + fflush(stdout); + + /* Loop until there is a read failure */ + + do + { + /* Read a buffer of data */ + + nbytes = read(fd, buffer, 256); + if (nbytes > 0) + { + /* On success, echo the buffer to stdout */ + + (void)write(1, buffer, nbytes); + } + } + while (nbytes >= 0); + + printf("Closing device %s: %d\n", CONFIG_EXAMPLES_WLAN_DEVNAME, (int)nbytes); + fflush(stdout); + close(fd); + } + } + return 0; +} -- cgit v1.2.3