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Extended USB serial test

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1025 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-10-10 16:45:32 +00:00
parent c2b34298b9
commit e5327a406d
5 changed files with 270 additions and 20 deletions
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16
configs/mcu123-lpc214x/usbserial/defconfig
View File

@ -485,6 +485,22 @@ CONFIG_EXAMPLES_NSH_FATSECTSIZE=512
CONFIG_EXAMPLES_NSH_FATNSECTORS=1024
CONFIG_EXAMPLES_NSH_FATMOUNTPT=/tmp
#
# Settings for examples/usbserial
#
# CONFIG_EXAMPLES_USBSERIAL_INONLY
# Only verify IN (device-to-host) data transfers. Default: both
# CONFIG_EXAMPLES_USBSERIAL_OUTONLY
# Only verify OUT (host-to-device) data transfers. Default: both
# CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL
# Send only small, single packet messages. Default: Send large and small.
# CONFIG_EXAMPLES_USBSERIAL_ONLYBIG
# Send only large, multi-packet messages. Default: Send large and small.
CONFIG_EXAMPLES_USBSERIAL_INONLY=n
CONFIG_EXAMPLES_USBSERIAL_OUTONLY=n
CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL=n
CONFIG_EXAMPLES_USBSERIAL_ONLYBIG=n
#
# Stack and heap information
#

14
examples/README.txt
View File

@ -128,4 +128,16 @@ examples/usbserial
^^^^^^^^^^^^^^^^^^
This is another implementation of "Hello, World" but this one uses
a USB serial driver.
a USB serial driver. Configuration options can be used to simply
the test. These options include:
CONFIG_EXAMPLES_USBSERIAL_INONLY
Only verify IN (device-to-host) data transfers. Default: both
CONFIG_EXAMPLES_USBSERIAL_OUTONLY
Only verify OUT (host-to-device) data transfers. Default: both
CONFIG_EXAMPLES_USBSERIAL_ONLYSMALL
Send only small, single packet messages. Default: Send large and small.
CONFIG_EXAMPLES_USBSERIAL_ONLYBIG
Send only large, multi-packet messages. Default: Send large and small.

20
examples/usbserial/Makefile.host
View File

@ -33,16 +33,30 @@
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
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) $^ -o $@
$(HOSTCC) $(HOSTCFLAGS) $(DEFINES) $^ -o $@
clean:
@rm -f $(BIN) *~ .*.swp *.o

92
examples/usbserial/host.c
View File

@ -45,6 +45,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <termios.h>
#include <fcntl.h>
#include <errno.h>
@ -52,6 +53,19 @@
* 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
@ -60,8 +74,12 @@
****************************************************************************/
static const char *g_ttydev = DEFAULT_TTYDEV;
static char g_buffer[BUFFER_SIZE];
#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. "
@ -114,6 +132,11 @@ static const char g_longmsg[] =
"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
@ -135,9 +158,15 @@ static void show_usage(const char *progname, int exitcode)
int main(int argc, char **argv, char **envp)
{
struct termios tty;
#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY
ssize_t nbytes;
int count;
#endif
#ifdef COUNTER_NEEDED
int count = 0;
#endif
int fd;
int ret;
/* Handle input parameters */
@ -168,14 +197,40 @@ int main(int argc, char **argv, char **envp)
while (fd < 0);
printf("main: Successfully opened the serial driver\n");
/* Wait for hello... */
/* 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 */
count = 0;
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_buffer, BUFFER_SIZE-1);
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));
@ -183,21 +238,39 @@ int main(int argc, char **argv, char **envp)
return 2;
}
g_buffer[nbytes] = '\0';
g_iobuffer[nbytes] = '\0';
printf("main: Received %d bytes:\n", nbytes);
printf(" \"%s\"\n", g_buffer);
count++;
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_longmsg, 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)
{
@ -206,6 +279,7 @@ int main(int argc, char **argv, char **envp)
return 2;
}
printf("main: %d bytes sent\n", nbytes);
#endif /* CONFIG_EXAMPLES_USBSERIAL_INONLY */
}
/* Won't get here, but if we did this what we would have to do */

148
examples/usbserial/main.c
View File

@ -43,6 +43,7 @@
#include <sys/stat.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <errno.h>
#include <debug.h>
@ -53,6 +54,19 @@
* 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_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(...) lib_lowprintf(__VA_ARGS__)
@ -73,7 +87,11 @@
* 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"
@ -100,7 +118,11 @@ static const char g_longmsg[] =
"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
/****************************************************************************
* Public Functions
@ -125,12 +147,20 @@ void user_initialize(void)
int user_start(int argc, char *argv[])
{
#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY
int infd;
#endif
#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY
int outfd;
int count;
#endif
#ifdef COUNTER_NEEDED
int count = 0;
#endif
ssize_t nbytes;
#ifndef CONFIG_EXAMPLES_USBSERIAL_INONLY
int i, j, k;
#endif
int ret;
int i;
/* Initialize the USB serial driver */
@ -145,6 +175,7 @@ int user_start(int argc, char *argv[])
/* Open the USB serial device for writing (blocking) */
#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY
do
{
message("user_start: Opening USB serial driver\n");
@ -171,9 +202,12 @@ int user_start(int argc, char *argv[])
}
}
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)
{
@ -181,14 +215,46 @@ int user_start(int argc, char *argv[])
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;
}
}
}
while (infd < 0);
#endif
#endif
message("user_start: Successfully opened the serial driver\n");
/* Then say hello -- forever */
/* Send messages and get responses -- forever */
count = 0;
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");
@ -201,20 +267,37 @@ int user_start(int argc, char *argv[])
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: Waiting\n");
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)
{
@ -223,7 +306,9 @@ int user_start(int argc, char *argv[])
{
message("user_start: ERROR: read failed: %d\n", errno);
close(infd);
#ifndef CONFIG_EXAMPLES_USBSERIAL_OUTONLY
close(outfd);
#endif
return 6;
}
}
@ -232,18 +317,67 @@ int user_start(int argc, char *argv[])
message("user_start: Received %d bytes:\n", nbytes);
if (nbytes > 0)
{
message("user_start: ");
(void)fwrite(g_iobuffer, 1, nbytes, stdout);
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 */
}
/* 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;
}