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Diffstat (limited to 'nuttx/examples/usbserial/main.c')
| -rw-r--r-- | nuttx/examples/usbserial/main.c | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/nuttx/examples/usbserial/main.c b/nuttx/examples/usbserial/main.c deleted file mode 100644 index 17aef1c79..000000000 --- a/nuttx/examples/usbserial/main.c +++ /dev/null @@ -1,466 +0,0 @@ -/**************************************************************************** - * examples/usbserial/main.c - * - * Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> - * - * 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 <sys/types.h> -#include <sys/stat.h> -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <fcntl.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/usb/usbdev.h> -#include <nuttx/usb/usbdev_trace.h> - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -#if defined(CONFIG_EXAMPLES_USBSERIAL_INONLY) && defined(CONFIG_EXAMPLES_USBSERIAL_OUTONLY) -# error "Cannot define both CONFIG_EXAMPLES_USBSERIAL_INONLY and _OUTONLY" -#endif -#if defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) && defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) -# error "Cannot define both CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL and _ONLYBIG" -#endif - -#if !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) && !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) -# ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY -# define COUNTER_NEEDED 1 -# endif -#endif -#ifdef CONFIG_EXAMPLES_USBSERIAL_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_EXAMPLES_USBSERIAL_TRACECLASS -# define TRACE_CLASS_BITS (TRACE_CLASS_BIT|TRACE_CLASSAPI_BIT|TRACE_CLASSSTATE_BIT) -#else -# define TRACE_CLASS_BITS (0) -#endif - -#ifdef CONFIG_EXAMPLES_USBSERIAL_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_EXAMPLES_USBSERIAL_TRACECONTROLLER -# define TRACE_CONTROLLER_BITS (TRACE_EP_BIT|TRACE_DEV_BIT) -#else -# define TRACE_CONTROLLER_BITS (0) -#endif - -#ifdef CONFIG_EXAMPLES_USBSERIAL_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) - -#ifdef CONFIG_CPP_HAVE_VARARGS -# ifdef CONFIG_DEBUG -# define message(...) lib_lowprintf(__VA_ARGS__) -# define trmessage lib_lowprintf -# else -# define message(...) printf(__VA_ARGS__) -# define trmessage printf -# endif -#else -# ifdef CONFIG_DEBUG -# define message lib_lowprintf -# define trmessage lib_lowprintf -# else -# define message printf -# define trmessage printf -# endif -#endif - -#define IOBUFFER_SIZE 256 - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -#ifndef CONFIG_EXAMPLES_USBSERIAL_ONLYBIG -static const char g_shortmsg[] = "Hello, World!!\n"; -#endif - -#ifndef CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL -static const char g_longmsg[] = - "The Spanish Armada a Speech by Queen Elizabeth I of England\n" - "Addressed to the English army at Tilbury Fort - 1588\n" - "My loving people, we have been persuaded by some, that are careful of our " - "safety, to take heed how we commit ourselves to armed multitudes, for fear " - "of treachery; but I assure you, I do not desire to live to distrust my " - "faithful and loving people.\n" - "Let tyrants fear; I have always so behaved myself that, under God, I have " - "placed my chiefest strength and safeguard in the loyal hearts and good will " - "of my subjects. And therefore I am come amongst you at this time, not as for " - "my recreation or sport, but being resolved, in the midst and heat of the " - "battle, to live or die amongst you all; to lay down, for my God, and for " - "my kingdom, and for my people, my honour and my blood, even the dust.\n" - "I know I have but the body of a weak and feeble woman; but I have the heart " - "of a king, and of a king of England, too; and think foul scorn that Parma " - "or Spain, or any prince of Europe, should dare to invade the borders of my " - "realms: to which, rather than any dishonour should grow by me, I myself will " - "take up arms; I myself will be your general, judge, and rewarder of every " - "one of your virtues in the field.\n" - "I know already, by your forwardness, that you have deserved rewards and " - "crowns; and we do assure you, on the word of a prince, they shall be duly " - "paid you. In the mean my lieutenant general shall be in my stead, than whom " - "never prince commanded a more noble and worthy subject; not doubting by " - "your obedience to my general, by your concord in the camp, and by your " - "valour in the field, we shall shortly have a famous victory over the enemies " - "of my God, of my kingdom, and of my people.\n"; -#endif - -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY -static char g_iobuffer[IOBUFFER_SIZE]; -#endif - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -#ifdef CONFIG_USBDEV_TRACE -static int trace_callback(struct usbtrace_s *trace, void *arg) -{ - usbtrace_trprintf((trprintf_t)trmessage, trace->event, trace->value); - return 0; -} - -static void dumptrace(void) -{ - (void)usbtrace_enumerate(trace_callback, NULL); -} -#else -# define dumptrace() -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * user_initialize - ****************************************************************************/ - -#ifndef CONFIG_HAVE_WEAKFUNCTIONS -void user_initialize(void) -{ - /* Stub that must be provided only if the toolchain does not support weak - * functions. - */ -} -#endif - -/**************************************************************************** - * user_start - ****************************************************************************/ - -int user_start(int argc, char *argv[]) -{ -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY - int infd; -#endif -#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY - int outfd; -#endif -#ifdef COUNTER_NEEDED - int count = 0; -#endif - ssize_t nbytes; -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY - int i, j, k; -#endif - int ret; - - /* Initialize the USB serial driver */ - - message("user_start: Registering USB serial driver\n"); - ret = usbdev_serialinitialize(0); - if (ret < 0) - { - message("user_start: ERROR: Failed to create the USB serial device: %d\n", -ret); - return 1; - } - message("user_start: Successfully registered the serial driver\n"); - -#if CONFIG_USBDEV_TRACE && CONFIG_USBDEV_TRACE_INITIALIDSET != 0 - /* If USB tracing is enabled and tracing of initial USB events is specified, - * then dump all collected trace data to stdout - */ - - sleep(5); - dumptrace(); -#endif - - /* Then, in any event, configure trace data collection as configured */ - - usbtrace_enable(TRACE_BITSET); - - /* Open the USB serial device for writing (blocking) */ - -#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY - do - { - message("user_start: Opening USB serial driver\n"); - outfd = open("/dev/ttyUSB0", O_WRONLY); - if (outfd < 0) - { - int errcode = errno; - message("user_start: ERROR: Failed to open /dev/ttyUSB0 for writing: %d\n", errcode); - - /* ENOTCONN means that the USB device is not yet connected */ - - if (errcode == ENOTCONN) - { - message("user_start: Not connected. Wait and try again.\n"); - sleep(5); - } - else - { - /* Give up on other errors */ - - message("user_start: Aborting\n"); - return 2; - } - } - - /* If USB tracing is enabled, then dump all collected trace data to stdout */ - - dumptrace(); - } - while (outfd < 0); -#endif - - /* Open the USB serial device for reading (non-blocking) */ - -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY -#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY - infd = open("/dev/ttyUSB0", O_RDONLY|O_NONBLOCK); - if (infd < 0) - { - message("user_start: ERROR: Failed to open /dev/ttyUSB0 for reading: %d\n", errno); - close(outfd); - return 3; - } -#else - do - { - infd = open("/dev/ttyUSB0", O_RDONLY|O_NONBLOCK); - if (infd < 0) - { - int errcode = errno; - message("user_start: ERROR: Failed to open /dev/ttyUSB0 for reading: %d\n", errno); - - /* ENOTCONN means that the USB device is not yet connected */ - - if (errcode == ENOTCONN) - { - message("user_start: Not connected. Wait and try again.\n"); - sleep(5); - } - else - { - /* Give up on other errors */ - - message("user_start: Aborting\n"); - return 3; - } - } - - /* If USB tracing is enabled, then dump all collected trace data to stdout */ - - dumptrace(); - } - while (infd < 0); -#endif -#endif - - message("user_start: Successfully opened the serial driver\n"); - - /* Send messages and get responses -- forever */ - - for (;;) - { - /* Test IN (device-to-host) messages */ - -#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY -#if !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) && !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) - if (count < 8) - { - message("user_start: Saying hello\n"); - nbytes = write(outfd, g_shortmsg, sizeof(g_shortmsg)); - count++; - } - else - { - message("user_start: Reciting QEI's speech of 1588\n"); - nbytes = write(outfd, g_longmsg, sizeof(g_longmsg)); - count = 0; - } -#elif !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) - message("user_start: Reciting QEI's speech of 1588\n"); - nbytes = write(outfd, g_longmsg, sizeof(g_longmsg)); -#else /* !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) */ - message("user_start: Saying hello\n"); - nbytes = write(outfd, g_shortmsg, sizeof(g_shortmsg)); -#endif - - /* Test if the write was successful */ - - if (nbytes < 0) - { - message("user_start: ERROR: write failed: %d\n", errno); -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY - close(infd); -#endif - close(outfd); - return 4; - } - message("user_start: %d bytes sent\n", nbytes); -#endif /* CONFIG_EXAMPLES_USBSERIAL_OUTONLY */ - - /* Test OUT (host-to-device) messages */ - -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY - /* Poll for incoming messages */ - - message("user_start: Polling for OUT messages\n"); - for (i = 0; i < 5; i++) - { - memset(g_iobuffer, 'X', IOBUFFER_SIZE); - nbytes = read(infd, g_iobuffer, IOBUFFER_SIZE); - if (nbytes < 0) - { - int errorcode = errno; - if (errorcode != EAGAIN) - { - message("user_start: ERROR: read failed: %d\n", errno); - close(infd); -#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY - close(outfd); -#endif - return 6; - } - } - else - { - message("user_start: Received %d bytes:\n", nbytes); - if (nbytes > 0) - { - for (j = 0; j < nbytes; j += 16) - { - message("user_start: %03x: ", j); - for (k = 0; k < 16; k++) - { - if (k == 8) - { - message(" "); - } - if (j+k < nbytes) - { - message("%02x", g_iobuffer[j+k]); - } - else - { - message(" "); - } - } - message(" "); - for (k = 0; k < 16; k++) - { - if (k == 8) - { - message(" "); - } - if (j+k < nbytes) - { - if (g_iobuffer[j+k] >= 0x20 && g_iobuffer[j+k] < 0x7f) - { - message("%c", g_iobuffer[j+k]); - } - else - { - message("."); - } - } - else - { - message(" "); - } - } - message("\n"); - } - } - } - sleep(1); - } -#else /* CONFIG_EXAMPLES_USBSERIAL_INONLY */ - message("user_start: Waiting\n"); - sleep(5); -#endif /* CONFIG_EXAMPLES_USBSERIAL_INONLY */ - - /* If USB tracing is enabled, then dump all collected trace data to stdout */ - - dumptrace(); - } - - /* Won't get here, but if we did this what we would have to do */ - -#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY - close(infd); -#endif -#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY - close(outfd); -#endif - return 0; -} - |