From eafaeb9398216dacb92de69683ccdda6007efb1d Mon Sep 17 00:00:00 2001 From: patacongo Date: Sun, 20 Mar 2011 18:18:19 +0000 Subject: Move nuttx/examples to apps/examples git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3405 42af7a65-404d-4744-a932-0658087f49c3 --- apps/examples/usbserial/Makefile | 92 +++++++ apps/examples/usbserial/Makefile.host | 66 +++++ apps/examples/usbserial/host.c | 293 +++++++++++++++++++++ apps/examples/usbserial/main.c | 466 ++++++++++++++++++++++++++++++++++ 4 files changed, 917 insertions(+) create mode 100644 apps/examples/usbserial/Makefile create mode 100644 apps/examples/usbserial/Makefile.host create mode 100644 apps/examples/usbserial/host.c create mode 100644 apps/examples/usbserial/main.c (limited to 'apps/examples/usbserial') diff --git a/apps/examples/usbserial/Makefile b/apps/examples/usbserial/Makefile new file mode 100644 index 000000000..61fba5244 --- /dev/null +++ b/apps/examples/usbserial/Makefile @@ -0,0 +1,92 @@ +############################################################################ +# apps/examples/usbserial/Makefile +# +# Copyright (C) 2008, 2010-2010 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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 + +# USB serial device example + +ASRCS = +CSRCS = main.c + +AOBJS = $(ASRCS:.S=$(OBJEXT)) +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +BIN = ../../libapps$(LIBEXT) + +ROOTDEPPATH = --dep-path . + +# Common build + +VPATH = + +all: .built +.PHONY: .built clean depend disclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +$(BIN): $(OBJS) + @( for obj in $(OBJS) ; do \ + $(call ARCHIVE, $@, $${obj}); \ + done ; ) + @touch .built + +.built: $(BIN) + +.depend: Makefile $(SRCS) + @$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +# Register application +depend: .depend + +clean: + @rm -f $(BIN) *.o *~ .*.swp .built + $(call CLEAN) + @(MAKE) -f Makefile.host clean TOPDIR=$(TOPDIR) APPDIR=$(APPDIR) + +distclean: clean + @rm -f Make.dep .depend + +-include Make.dep + diff --git a/apps/examples/usbserial/Makefile.host b/apps/examples/usbserial/Makefile.host new file mode 100644 index 000000000..eeac5334c --- /dev/null +++ b/apps/examples/usbserial/Makefile.host @@ -0,0 +1,66 @@ +############################################################################ +# apps/examples/usbserial/Makefile.host +# +# Copyright (C) 2008, 2011 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################ + +# TOPDIR must be defined on the make command line + +-include $(TOPDIR)/.config +-include $(TOPDIR)/Make.defs + +SRC = host.c +BIN = host + +DEFINES = +ifeq ($(CONFIG_EXAMPLES_USBSERIAL_INONLY),y) +DEFINES += -DCONFIG_EXAMPLES_USBSERIAL_INONLY=1 +endif +ifeq ($(CONFIG_EXAMPLES_USBSERIAL_OUTONLY),y) +DEFINES += -DCONFIG_EXAMPLES_USBSERIAL_OUTONLY=1 +endif +ifeq ($(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL),y) +DEFINES += -DCONFIG_EXAMPLES_USBSERIAL_ONLYSMALL=1 +endif +ifeq ($(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG),y) +DEFINES += -DCONFIG_EXAMPLES_USBSERIAL_ONLYBIG=1 +endif + +all: $(BIN)$(EXEEXT) + +$(BIN)$(EXEEXT): $(SRC) + $(HOSTCC) $(HOSTCFLAGS) $(DEFINES) $^ -o $@ + +clean: + @rm -f $(BIN) *~ .*.swp *.o + $(call CLEAN) + diff --git a/apps/examples/usbserial/host.c b/apps/examples/usbserial/host.c new file mode 100644 index 000000000..751b7530c --- /dev/null +++ b/apps/examples/usbserial/host.c @@ -0,0 +1,293 @@ +/**************************************************************************** + * examples/usbserial/host.c + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/**************************************************************************** + * 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_INONLY +# define COUNTER_NEEDED 1 +# endif +#endif + +#define DEFAULT_TTYDEV "/dev/ttyUSB0" +#define BUFFER_SIZE 1024 + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const char *g_ttydev = DEFAULT_TTYDEV; + +#ifndef CONFIG_EXAMPLES_USBSERIAL_ONLYBIG +static const char g_shortmsg[] = "Sure... You betcha!!\n"; +#endif + +#ifndef CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL +static const char g_longmsg[] = + "I am proud to come to this city as the guest of your distinguished Mayor, " + "who has symbolized throughout the world the fighting spirit of West Berlin. " + "And I am proud to visit the Federal Republic with your distinguished Chancellor " + "who for so many years has committed Germany to democracy and freedom and " + "progress, and to come here in the company of my fellow American, General Clay, " + "who has been in this city during its great moments of crisis and will come " + "again if ever needed.\n" + "Two thousand years ago the proudest boast was \"civis Romanus sum.\" Today, " + "in the world of freedom, the proudest boast is \"Ich bin ein Berliner.\"\r\"" + "I appreciate my interpreter translating my German!\n" + "There are many people in the world who really don't understand, or say they " + "don't, what is the great issue between the free world and the Communist world. " + "Let them come to Berlin. There are some who say that communism is the wave of " + "the future. Let them come to Berlin. And there are some who say in Europe and " + "elsewhere we can work with the Communists. Let them come to Berlin. And there " + "are even a few who say that it is true that communism is an evil system, but it " + "permits us to make economic progress. Lass' sie nach Berlin kommen. Let them " + "come to Berlin.\n" + "Freedom has many difficulties and democracy is not perfect, but we have never " + "had to put a wall up to keep our people in, to prevent them from leaving us. I " + "want to say, on behalf of my countrymen, who live many miles away on the other " + "side of the Atlantic, who are far distant from you, that they take the greatest " + "pride that they have been able to share with you, even from a distance, the " + "story of the last 18 years. I know of no town, no city, that has been besieged " + "for 18 years that still lives with the vitality and the force, and the hope and " + "the determination of the city of West Berlin. While the wall is the most obvious " + "and vivid demonstration of the failures of the Communist system, for all the " + "world to see, we take no satisfaction in it, for it is, as your Mayor has said, " + "an offense not only against history but an offense against humanity, separating " + "families, dividing husbands and wives and brothers and sisters, and dividing a " + "people who wish to be joined together.\n" + "What is true of this city is true of Germany--real, lasting peace in Europe can " + "never be assured as long as one German out of four is denied the elementary " + "right of free men, and that is to make a free choice. In 18 years of peace and " + "good faith, this generation of Germans has earned the right to be free, " + "including the right to unite their families and their nation in lasting peace, " + "with good will to all people. You live in a defended island of freedom, but " + "your life is part of the main. So let me ask you as I close, to lift your eyes " + "beyond the dangers of today, to the hopes of tomorrow, beyond the freedom merely " + "of this city of Berlin, or your country of Germany, to the advance of freedom " + "everywhere, beyond the wall to the day of peace with justice, beyond yourselves " + "and ourselves to all mankind.\n" + "Freedom is indivisible, and when one man is enslaved, all are not free. When all " + "are free, then we can look forward to that day when this city will be joined as " + "one and this country and this great Continent of Europe in a peaceful and hopeful " + "globe. When that day finally comes, as it will, the people of West Berlin can take " + "sober satisfaction in the fact that they were in the front lines for almost two " + "decades.\n" + "All free men, wherever they may live, are citizens of Berlin, and, therefore, " + "as a free man, I take pride in the words \"Ich bin ein Berliner.\"\n" + "President John F. Kennedy - June 26, 1963\n"; +#endif + +#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY +static char g_iobuffer[BUFFER_SIZE]; +#endif + +/**************************************************************************** + * show_usage + ****************************************************************************/ + +static void show_usage(const char *progname, int exitcode) +{ + fprintf(stderr, "USAGE: %s []\n", progname); + exit(exitcode); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * main + ****************************************************************************/ + +int main(int argc, char **argv, char **envp) +{ + struct termios tty; +#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY + ssize_t nbytes; +#endif +#ifdef COUNTER_NEEDED + int count = 0; +#endif + int fd; + int ret; + + /* Handle input parameters */ + + if (argc > 1) + { + if (argc > 2) + { + fprintf(stderr, "Too many arguments on command line\n"); + show_usage(argv[0], 1); + } + g_ttydev = argv[1]; + } + + /* Open the USB serial device for blocking read/write */ + + do + { + printf("main: Opening USB serial driver\n"); + fd = open(g_ttydev, O_RDWR); + if (fd < 0) + { + printf("main: ERROR: Failed to open %s: %s\n", g_ttydev, strerror(errno)); + printf("main: Assume not connected. Wait and try again.\n"); + printf("main: (Control-C to terminate).\n"); + sleep(5); + } + } + while (fd < 0); + printf("main: Successfully opened the serial driver\n"); + + /* Configure the serial port in raw mode (at least turn off echo) */ + + ret = tcgetattr(fd, &tty); + if (ret < 0) + { + printf("main: ERROR: Failed to get termios for %s: %s\n", g_ttydev, strerror(errno)); + close(fd); + return 1; + } + + tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON); + tty.c_oflag &= ~OPOST; + tty.c_lflag &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); + tty.c_cflag &= ~(CSIZE|PARENB); + tty.c_cflag |= CS8; + + ret = tcsetattr(fd, TCSANOW, &tty); + if (ret < 0) + { + printf("main: ERROR: Failed to set termios for %s: %s\n", g_ttydev, strerror(errno)); + close(fd); + return 1; + } + + /* Wait for and/or send messages -- forever */ + + for (;;) + { + /* Test IN messages (device-to-host) */ + +#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY + printf("main: Reading from the serial driver\n"); + printf("main: ... (Control-C to terminate) ...\n"); + nbytes = read(fd, g_iobuffer, BUFFER_SIZE-1); + if (nbytes < 0) + { + printf("main: ERROR: Failed to read from %s: %s\n", g_ttydev, strerror(errno)); + close(fd); + return 2; + } + else if (nbytes == 0) + { + printf("main: End-of-file encountered\n"); + break; + } + + g_iobuffer[nbytes] = '\0'; + printf("main: Received %d bytes:\n", nbytes); + printf(" \"%s\"\n", g_iobuffer); +#else + printf("main: Waiting...\n"); + sleep(5); +#endif /* CONFIG_EXAMPLES_USBSERIAL_OUTONLY */ + + /* Test OUT messages (host-to-device) */ + +#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY +#if !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) && !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) + count++; + if (count < 5) + { + printf("main: Sending %d bytes..\n", sizeof(g_shortmsg)); + nbytes = write(fd, g_shortmsg, sizeof(g_shortmsg)); + } + else + { + printf("main: Sending %d bytes..\n", sizeof(g_longmsg)); + nbytes = write(fd, g_longmsg, sizeof(g_longmsg)); + count = 0; + } +#elif !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL) + printf("main: Sending %d bytes..\n", sizeof(g_longmsg)); + nbytes = write(fd, g_longmsg, sizeof(g_longmsg)); +#else /* !defined(CONFIG_EXAMPLES_USBSERIAL_ONLYBIG) */ + printf("main: Sending %d bytes..\n", sizeof(g_shortmsg)); + nbytes = write(fd, g_shortmsg, sizeof(g_shortmsg)); +#endif + + /* Test if write was successful */ + + if (nbytes < 0) + { + printf("main: ERROR: Failed to write to %s: %s\n", g_ttydev, strerror(errno)); + close(fd); + return 2; + } + printf("main: %d bytes sent\n", nbytes); +#endif /* CONFIG_EXAMPLES_USBSERIAL_INONLY */ + } + + close(fd); + return 0; +} + diff --git a/apps/examples/usbserial/main.c b/apps/examples/usbserial/main.c new file mode 100644 index 000000000..17aef1c79 --- /dev/null +++ b/apps/examples/usbserial/main.c @@ -0,0 +1,466 @@ +/**************************************************************************** + * examples/usbserial/main.c + * + * Copyright (C) 2008, 2010 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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 + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +/**************************************************************************** + * 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; +} + -- cgit v1.2.3