diff options
Diffstat (limited to 'apps/system/usbmonitor/usbmonitor.c')
| -rw-r--r-- | apps/system/usbmonitor/usbmonitor.c | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/apps/system/usbmonitor/usbmonitor.c b/apps/system/usbmonitor/usbmonitor.c deleted file mode 100644 index cde945b43..000000000 --- a/apps/system/usbmonitor/usbmonitor.c +++ /dev/null @@ -1,234 +0,0 @@ -/**************************************************************************** - * apps/system/usbmonitor/usbmonitor.c - * - * Copyright (C) 2013 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#include <nuttx/progmem.h> - -#include <sys/types.h> -#include <stdbool.h> -#include <unistd.h> -#include <sched.h> -#include <syslog.h> -#include <errno.h> - -#include <nuttx/usb/usbdev_trace.h> - -#ifdef CONFIG_SYSTEM_USBMONITOR - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -#define USBMON_PREFIX "USB Monitor: " - -/* Configuration ************************************************************/ - -#ifndef CONFIG_SYSTEM_USBMONITOR_STACKSIZE -# define CONFIG_SYSTEM_USBMONITOR_STACKSIZE 2048 -#endif - -#ifndef CONFIG_SYSTEM_USBMONITOR_PRIORITY -# define CONFIG_SYSTEM_USBMONITOR_PRIORITY 50 -#endif - -#ifndef CONFIG_SYSTEM_USBMONITOR_INTERVAL -# define CONFIG_SYSTEM_USBMONITOR_INTERVAL 2 -#endif - -#ifdef CONFIG_SYSTEM_USBMONITOR_TRACEINIT -# define TRACE_INIT_BITS (TRACE_INIT_BIT) -#else -# define TRACE_INIT_BITS (0) -#endif - -#define TRACE_ERROR_BITS (TRACE_DEVERROR_BIT|TRACE_CLSERROR_BIT) - -#ifdef CONFIG_SYSTEM_USBMONITOR_TRACECLASS -# define TRACE_CLASS_BITS (TRACE_CLASS_BIT|TRACE_CLASSAPI_BIT|\ - TRACE_CLASSSTATE_BIT) -#else -# define TRACE_CLASS_BITS (0) -#endif - -#ifdef CONFIG_SYSTEM_USBMONITOR_TRACETRANSFERS -# define TRACE_TRANSFER_BITS (TRACE_OUTREQQUEUED_BIT|TRACE_INREQQUEUED_BIT|\ - TRACE_READ_BIT|TRACE_WRITE_BIT|\ - TRACE_COMPLETE_BIT) -#else -# define TRACE_TRANSFER_BITS (0) -#endif - -#ifdef CONFIG_SYSTEM_USBMONITOR_TRACECONTROLLER -# define TRACE_CONTROLLER_BITS (TRACE_EP_BIT|TRACE_DEV_BIT) -#else -# define TRACE_CONTROLLER_BITS (0) -#endif - -#ifdef CONFIG_SYSTEM_USBMONITOR_TRACEINTERRUPTS -# define TRACE_INTERRUPT_BITS (TRACE_INTENTRY_BIT|TRACE_INTDECODE_BIT|\ - TRACE_INTEXIT_BIT) -#else -# define TRACE_INTERRUPT_BITS (0) -#endif - -#define TRACE_BITSET (TRACE_INIT_BITS|TRACE_ERROR_BITS|\ - TRACE_CLASS_BITS|TRACE_TRANSFER_BITS|\ - TRACE_CONTROLLER_BITS|TRACE_INTERRUPT_BITS) - -/**************************************************************************** - * Private Types - ****************************************************************************/ - -struct usbmon_state_s -{ - volatile bool started; - volatile bool stop; - pid_t pid; -}; - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -static struct usbmon_state_s g_usbmonitor; - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -static int usbmonitor_tracecallback(struct usbtrace_s *trace, void *arg) -{ - usbtrace_trprintf((trprintf_t)syslog, trace->event, trace->value); - return 0; -} - -static int usbmonitor_daemon(int argc, char **argv) -{ - syslog(USBMON_PREFIX "Running: %d\n", g_usbmonitor.pid); - - /* Loop until we detect that there is a request to stop. */ - - while (!g_usbmonitor.stop) - { - sleep(CONFIG_SYSTEM_USBMONITOR_INTERVAL); - (void)usbtrace_enumerate(usbmonitor_tracecallback, NULL); - } - - /* Stopped */ - - g_usbmonitor.stop = false; - g_usbmonitor.started = false; - syslog(USBMON_PREFIX "Stopped: %d\n", g_usbmonitor.pid); - - return 0; -} - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -int usbmonitor_start(int argc, char **argv) -{ - /* Has the monitor already started? */ - - sched_lock(); - if (!g_usbmonitor.started) - { - int ret; - - /* No.. start it now */ - - /* First, initialize any USB tracing options that were requested */ - - usbtrace_enable(TRACE_BITSET); - - /* Then start the USB monitoring daemon */ - - g_usbmonitor.started = true; - g_usbmonitor.stop = false; - - ret = TASK_CREATE("USB Monitor", CONFIG_SYSTEM_USBMONITOR_PRIORITY, - CONFIG_SYSTEM_USBMONITOR_STACKSIZE, - (main_t)usbmonitor_daemon, (const char **)NULL); - if (ret < 0) - { - int errcode = errno; - syslog(USBMON_PREFIX - "ERROR: Failed to start the USB monitor: %d\n", - errcode); - } - else - { - g_usbmonitor.pid = ret; - syslog(USBMON_PREFIX "Started: %d\n", g_usbmonitor.pid); - } - - sched_unlock(); - return 0; - } - - sched_unlock(); - syslog(USBMON_PREFIX "%s: %d\n", - g_usbmonitor.stop ? "Stopping" : "Running", g_usbmonitor.pid); - return 0; -} - -int usbmonitor_stop(int argc, char **argv) -{ - /* Has the monitor already started? */ - - if (g_usbmonitor.started) - { - /* Stop the USB monitor. The next time the monitor wakes up, - * it will see the the stop indication and will exist. - */ - - syslog(USBMON_PREFIX "Stopping: %d\n", g_usbmonitor.pid); - g_usbmonitor.stop = true; - - /* We may as well disable tracing since there is no listener */ - - usbtrace_enable(0); - } - - syslog(USBMON_PREFIX "Stopped: %d\n", g_usbmonitor.pid); - return 0; -} - -#endif /* CONFIG_SYSTEM_USBMONITOR */ |