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Commit cd63e2fb by jim
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Move ethstream to the parent directory 


git-svn-id: https://bucket.mit.edu/svn/nilm/acquisition/ethstream@8314 ddd99763-3ecb-0310-9145-efcb8ce7c51f
parent 329871bf
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Makefile
......@@ -32,11 +32,11 @@ default: lin
all: lin win
.PHONY: lin
lin: ljtest ethstream ljconfig \
ethstream.1 ljconfig.1
lin: ethstream \
ethstream.1
.PHONY: win
win: ljtest.exe ethstream.exe ljconfig.exe
win: ethstream.exe
version.h: VERSION
......@@ -46,17 +46,11 @@ version.h: VERSION
# Object files for each executable
obj-common = opt.o ue9.o ue9error.o netutil.o debug.o nerdjack.o
obj-ljconfig = ljconfig.o $(obj-common)
obj-ethstream = ethstream.o $(obj-common)
obj-ljtest = ljtest.o $(obj-common)
ljconfig: $(obj-ljconfig)
ethstream: $(obj-ethstream)
ljtest: $(obj-ljtest)
ljconfig.exe: $(obj-ljconfig:.o=.obj) compat-win32.obj
ethstream.exe: $(obj-ethstream:.o=.obj) compat-win32.obj
ljtest.exe: $(obj-ljtest:.o=.obj) compat-win32.obj
# Manpages
......@@ -92,7 +86,7 @@ dist: version.h
.PHONY: clean distclean
clean distclean:
rm -f *.o *.obj *.exe ethstream ljtest ljconfig core *.d *.1 *.txt
rm -f *.o *.obj *.exe ethstream core *.d *.1 *.txt
# Dependency tracking:
......
README
......@@ -2,5 +2,10 @@ Labjack/Nerdjack Tools
by Jim Paris <jim@jtan.com>
with modifications by Zach Clifford <zacharyc@mit.edu>
These tools are for interacting with the LabJack UE9 or the NerdJack over the Ethernet interface. More information about the UE9 device:
These tools are for interacting with the LabJack UE9 or the NerdJack
over the Ethernet interface. More information about the UE9 device:
http://www.labjack.com/labjack_ue9.php
The NerdJack device is a custom board made in LEES by Zach Clifford.
Use ethstream -h or ethstream -X for usage instructions and examples.
compat-win32.c
......@@ -3,83 +3,56 @@
#include "compat.h"
#include <windows.h>
unsigned int
sleep (unsigned int seconds)
unsigned int sleep(unsigned int seconds)
{
Sleep (seconds * 1000);
return 0;
Sleep(seconds * 1000);
return 0;
}
static struct
{
int num;
char *msg;
} win32_error[] =
{
/* Errors that we might vaguely expect to see */
{
WSAEINTR, "Winsock: Interrupted system call"},
{
WSAEBADF, "Winsock: Bad file number"},
{
WSAEFAULT, "Winsock: Bad address"},
{
WSAEINVAL, "Winsock: Invalid argument"},
{
WSAEMFILE, "Winsock: Too many open files"},
{
WSAEWOULDBLOCK, "Winsock: Operation would block"},
{
WSAEINPROGRESS, "Winsock: Operation now in progress"},
{
WSAEALREADY, "Winsock: Operation already in progress"},
{
WSAENOTSOCK, "Winsock: Socket operation on nonsocket"},
{
WSAEADDRINUSE, "Winsock: Address already in use"},
{
WSAEADDRNOTAVAIL, "Winsock: Cannot assign requested address"},
{
WSAENETDOWN, "Winsock: Network is down"},
{
WSAENETUNREACH, "Winsock: Network is unreachable"},
{
WSAENETRESET, "Winsock: Network dropped connection on reset"},
{
WSAECONNABORTED, "Winsock: Software caused connection abort"},
{
WSAECONNRESET, "Winsock: Connection reset by peer"},
{
WSAETIMEDOUT, "Winsock: Connection timed out"},
{
WSAECONNREFUSED, "Winsock: Connection refused"},
{
WSAEHOSTDOWN, "Winsock: Host is down"},
{
WSAEHOSTUNREACH, "Winsock: No route to host"},
{
WSAVERNOTSUPPORTED, "Winsock: Unsupported Winsock version"},
{
ETIMEDOUT, "Connection timed out"},
{
ENOTCONN, "Not connected"},
{
-1, NULL},};
char *
compat_strerror (int errnum)
static struct {
int num;
char *msg;
} win32_error[] = {
/* Errors that we might vaguely expect to see */
{ WSAEINTR, "Winsock: Interrupted system call"},
{ WSAEBADF, "Winsock: Bad file number"},
{ WSAEFAULT, "Winsock: Bad address"},
{ WSAEINVAL, "Winsock: Invalid argument"},
{ WSAEMFILE, "Winsock: Too many open files"},
{ WSAEWOULDBLOCK, "Winsock: Operation would block"},
{ WSAEINPROGRESS, "Winsock: Operation now in progress"},
{ WSAEALREADY, "Winsock: Operation already in progress"},
{ WSAENOTSOCK, "Winsock: Socket operation on nonsocket"},
{ WSAEADDRINUSE, "Winsock: Address already in use"},
{ WSAEADDRNOTAVAIL, "Winsock: Cannot assign requested address"},
{ WSAENETDOWN, "Winsock: Network is down"},
{ WSAENETUNREACH, "Winsock: Network is unreachable"},
{ WSAENETRESET, "Winsock: Network dropped connection on reset"},
{ WSAECONNABORTED, "Winsock: Software caused connection abort"},
{ WSAECONNRESET, "Winsock: Connection reset by peer"},
{ WSAETIMEDOUT, "Winsock: Connection timed out"},
{ WSAECONNREFUSED, "Winsock: Connection refused"},
{ WSAEHOSTDOWN, "Winsock: Host is down"},
{ WSAEHOSTUNREACH, "Winsock: No route to host"},
{ WSAVERNOTSUPPORTED, "Winsock: Unsupported Winsock version"},
{ ETIMEDOUT, "Connection timed out"},
{ ENOTCONN, "Not connected"},
{ -1, NULL},
};
char *compat_strerror(int errnum)
{
int i;
static char buf[128];
int i;
static char buf[128];
for (i = 0; win32_error[i].num != -1; i++)
if (errnum == win32_error[i].num)
return win32_error[i].msg;
if (errnum >= 10000)
{
sprintf (buf, "Winsock: unknown error %d\n", errnum);
return buf;
}
return strerror (errnum);
for (i = 0; win32_error[i].num != -1; i++)
if (errnum == win32_error[i].num)
return win32_error[i].msg;
if (errnum >= 10000) {
sprintf(buf, "Winsock: unknown error %d\n", errnum);
return buf;
}
return strerror(errnum);
}
#ifdef __WIN32__
......
compat.h
......@@ -2,8 +2,8 @@
#define COMPAT_H
#ifdef __WIN32__
unsigned int sleep (unsigned int seconds);
char *compat_strerror (int errnum);
unsigned int sleep(unsigned int seconds);
char *compat_strerror(int errnum);
//const char *inet_ntop(int af, void *src, const char *dst, socklen_t cnt);
#define INET_ADDRSTRLEN 16
#define ETIMEDOUT 110
......
debug.c
......@@ -4,15 +4,14 @@
int verb_count = 0;
int
func_fprintf (const char *func, FILE * stream, const char *format, ...)
int func_fprintf(const char *func, FILE * stream, const char *format, ...)
{
va_list ap;
int ret;
va_list ap;
int ret;
fprintf (stream, "%s: ", func);
va_start (ap, format);
ret = vfprintf (stream, format, ap);
va_end (ap);
return ret;
fprintf(stream, "%s: ", func);
va_start(ap, format);
ret = vfprintf(stream, format, ap);
va_end(ap);
return ret;
}
debug.h
......@@ -14,8 +14,8 @@ extern int verb_count;
#include <stdio.h>
int func_fprintf (const char *func, FILE * stream, const char *format,
...) __attribute__ ((format (printf, 3, 4)));
int func_fprintf(const char *func, FILE * stream, const char *format,
...) __attribute__ ((format(printf, 3, 4)));
#define debug(x...) ({ \
if(verb_count >= 2) \
......
example.h
......@@ -6,15 +6,18 @@ char examplestring[] = "\n\
For the most part, typing \"ethstream\" by itself will sample the first\n\
two channels at 8 kHz on 10V range. Press CTRL-C to terminate sampling.\n\
\n\
If you want a voltage and current measurement on the first phase of NILM\n\
If you want current measurements on the first two phases of NILM\n\
with default sample rate of 8 kHz and 10V range:\n\
\n\
ethstream -C 0,3\n\
\n\
The device is configured so that channels 0 through 2 are voltages for\n\
the three phases and channels 3-5 are for currents of the three phases\n\
The device is configured so that channels 0 through 2 are currents for\n\
the three phases and channels 3-5 are for voltages of the three phases.\n\
The current channels sample voltages that will depend on the DIP switch\n\
settings in the NILM box. The DIP switch positions allow you to convert\n\
ethstream's readings to true current readings.\n\
\n\
If you want only voltages at 16 kHz and 10V range:\n\
If you want only currents at 16 kHz and 10V range:\n\
\n\
ethstream -n 3 -r 16000\n\
\n\
......@@ -26,20 +29,20 @@ all 12 at once.\n\
Ethstream will warn if you approach the limits of the NerdJack with the\n\
given sampled channels. Sampling outside the range of the NerdJack might\n\
result in corrupt data or crashing of the device. There will be no\n\
permanent damage to NILM or NerdJack.\n\
permanent damage to NILM or NerdJack, but be aware of the possibility of\n\
data corruption.\n\
\n\
If you need a higher accuracy but lower range measurement on the currents:\n\
If you need a higher accuracy but lower range measurement on the voltages:\n\
\n\
ethstream -R 5,10 -C 3,4,5\n\
\n\
The two numbers to the R command set the range to either 5V or 10V. Above,\n\
we are setting channels 0-5 to 5 V range and channels 6-11 to 10 V range.\n\
Channels 6-11 are unconnected, but they can have range set independently.\n\
The values here depend on the NILM box settings to the current transducers.\n\
The value read is the voltage seen by the NerdJack.\n\
\n\
All of the above examples output a digital number from 0 to 65535 with\n\
65535 representing the highest range (5V or 10V). If you want conversion\n\
65535 representing the highest range (5V or 10V). 0 represents the most\n\
negative range (-5V or -10V). If you want conversion\n\
to volts for all six voltages and currents:\n\
\n\
ethstream -c -C 0,3,1,4,2,5\n\
......
ljconfig.c deleted 100644 → 0
/*
* Labjack Tools
* Copyright (c) 2003-2007 Jim Paris <jim@jtan.com>
*
* This is free software; you can redistribute it and/or modify it and
* it is provided under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation; see COPYING.
*/
/* ljconfig: display/change comm/control processor configuration */
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include "debug.h"
#include "ue9.h"
#include "ue9error.h"
#include "opt.h"
#include "version.h"
#define DEFAULT_HOST "192.168.1.209"
#define UE9_COMMAND_PORT 52360
struct options opt[] = {
{'a', "address", "string", "host/address of UE9 (192.168.1.209)"},
{'h', "help", NULL, "this help"},
{'v', "verbose", NULL, "be verbose"},
{'V', "version", NULL, "show version number and exit"},
{0, NULL, NULL, NULL}
};
int
main (int argc, char *argv[])
{
int optind;
char *optarg;
char c;
FILE *help = stderr;
char *address = strdup (DEFAULT_HOST);
int fd;
int ret;
/* Parse arguments */
opt_init (&optind);
while ((c = opt_parse (argc, argv, &optind, &optarg, opt)) != 0)
{
switch (c)
{
case 'a':
free (address);
address = strdup (optarg);
break;
case 'v':
verb_count++;
break;
case 'V':
printf ("ljconfig " VERSION "\n");
printf ("Written by Jim Paris <jim@jtan.com>\n");
printf ("This program comes with no warranty and is "
"provided under the GPLv2.\n");
return 0;
break;
case 'h':
help = stdout;
default:
printhelp:
fprintf (help, "Usage: %s [options]\n", *argv);
opt_help (opt, help);
fprintf (help, "Displays/changes Labjack UE9 config.\n");
return (help == stdout) ? 0 : 1;
}
}
if (optind < argc)
{
info ("Error: too many arguments (%s)\n\n", argv[optind]);
goto printhelp;
}
ret = 1;
/* Open */
fd = ue9_open (address, UE9_COMMAND_PORT);
if (fd < 0)
{
info ("Connect failed: %s:%d\n", address, UE9_COMMAND_PORT);
goto out0;
}
goto out1;
ret = 0;
out1:
/* Close */
ue9_close (fd);
out0:
return ret;
}
ljtest.c deleted 100644 → 0
/*
* Labjack Tools
* Copyright (c) 2003-2007 Jim Paris <jim@jtan.com>
*
* This is free software; you can redistribute it and/or modify it and
* it is provided under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation; see COPYING.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "debug.h"
#include "ue9.h"
#include "compat.h"
int
main (int argc, char *argv[])
{
int fd_cmd;
struct ue9Calibration calib;
verb_count = 2;
fd_cmd = ue9_open ("192.168.1.209", 52360);
if (fd_cmd < 0)
{
fprintf (stderr, "ue9_open: %s\n", compat_strerror (errno));
return 1;
}
if (ue9_get_calibration (fd_cmd, &calib) < 0)
{
fprintf (stderr, "ue9_get_calibration: %s\n", compat_strerror (errno));
return 1;
}
printf ("double unipolarSlope[0] = %lf\n", calib.unipolarSlope[0]);
printf ("double unipolarSlope[1] = %lf\n", calib.unipolarSlope[1]);
printf ("double unipolarSlope[2] = %lf\n", calib.unipolarSlope[2]);
printf ("double unipolarSlope[3] = %lf\n", calib.unipolarSlope[3]);
printf ("double unipolarOffset[0] = %lf\n", calib.unipolarOffset[0]);
printf ("double unipolarOffset[1] = %lf\n", calib.unipolarOffset[1]);
printf ("double unipolarOffset[2] = %lf\n", calib.unipolarOffset[2]);
printf ("double unipolarOffset[3] = %lf\n", calib.unipolarOffset[3]);
printf ("double bipolarSlope = %lf\n", calib.bipolarSlope);
printf ("double bipolarOffset = %lf\n", calib.bipolarOffset);
printf ("double DACSlope[0] = %lf\n", calib.DACSlope[0]);
printf ("double DACSlope[1] = %lf\n", calib.DACSlope[1]);
printf ("double DACOffset[0] = %lf\n", calib.DACOffset[0]);
printf ("double DACOffset[1] = %lf\n", calib.DACOffset[1]);
printf ("double tempSlope = %lf\n", calib.tempSlope);
printf ("double tempSlopeLow = %lf\n", calib.tempSlopeLow);
printf ("double calTemp = %lf\n", calib.calTemp);
printf ("double Vref = %lf\n", calib.Vref);
printf ("double VrefDiv2 = %lf\n", calib.VrefDiv2);
printf ("double VsSlope = %lf\n", calib.VsSlope);
printf ("double hiResUnipolarSlope = %lf\n", calib.hiResUnipolarSlope);
printf ("double hiResUnipolarOffset = %lf\n", calib.hiResUnipolarOffset);
printf ("double hiResBipolarSlope = %lf\n", calib.hiResBipolarSlope);
printf ("double hiResBipolarOffset = %lf\n", calib.hiResBipolarOffset);
ue9_close (fd_cmd);
return 0;
}
nerdjack.h
......@@ -25,39 +25,41 @@
#define NERDJACK_NUM_SAMPLES 726
/* Packet structure used in message to start sampling on NerdJack */
typedef struct __attribute__ ((__packed__))
{
char word[4];
unsigned long period;
unsigned short channelbit;
unsigned char precision;
unsigned char prescaler;
typedef struct __attribute__ ((__packed__)) {
char word[4];
unsigned long period;
unsigned short channelbit;
unsigned char precision;
unsigned char prescaler;
} getPacket;
/* Open/close TCP/IP connection to the NerdJack */
int nerd_open (const char *address, int port);
int nerd_close_conn (int data_fd);
int nerd_open(const char *address, int port);
int nerd_close_conn(int data_fd);
/* Generate the command word for the NerdJack */
int nerd_generate_command (getPacket * command, int *channel_list,
int channel_count, int precision,
unsigned long period);
int nerd_generate_command(getPacket * command, int *channel_list,
int channel_count, int precision,
unsigned long period);
/* Send given command to NerdJack */
int nerd_send_command (const char *address, void *command, int length);
int nerd_send_command(const char *address, void *command, int length);
/* Get the version string from NerdJack */
int nerd_get_version(const char *address);
/* Stream data out of the NerdJack */
int nerd_data_stream (int data_fd, int numChannels, int *channel_list,
int precision, int convert, int lines, int showmem,
unsigned short *currentcount, unsigned int period,
int wasreset);
int nerd_data_stream(int data_fd, int numChannels, int *channel_list,
int precision, int convert, int lines, int showmem,
unsigned short *currentcount, unsigned int period,
int wasreset);
/* Detect the IP Address of the NerdJack and return in ipAddress */
int nerdjack_detect (char *ipAddress);
int nerdjack_detect(char *ipAddress);
/* Choose the best ScanConfig and ScanInterval parameters for the
desired scanrate. Returns -1 if no valid config found */
int nerdjack_choose_scan (double desired_rate, double *actual_rate,
unsigned long *period);
int nerdjack_choose_scan(double desired_rate, double *actual_rate,
unsigned long *period);
#endif
netutil.c
......@@ -5,262 +5,244 @@
#include <stdio.h>
/* Initialize networking */
void
net_init (void)
void net_init(void)
{
#ifdef __WIN32__
WSADATA blah;
WSAStartup (0x0101, &blah);
WSADATA blah;
WSAStartup(0x0101, &blah);
#endif
}
/* Set socket blocking/nonblocking */
int
soblock (int socket, int blocking)
int soblock(int socket, int blocking)
{
#ifdef __WIN32__
unsigned long arg = blocking ? 0 : 1;
if (ioctlsocket (socket, FIONBIO, &arg) != 0)
return -1;
return 0;
unsigned long arg = blocking ? 0 : 1;
if (ioctlsocket(socket, FIONBIO, &arg) != 0)
return -1;
return 0;
#else
int sockopt;
/* Get flags */
sockopt = fcntl (socket, F_GETFL);
if (sockopt == -1)
{
return -1;
}
/* Modify */
if (blocking)
sockopt &= ~O_NONBLOCK;
else
sockopt |= O_NONBLOCK;
/* Set flags */
if (fcntl (socket, F_SETFL, sockopt) != 0)
return -1;
return 0;
int sockopt;
/* Get flags */
sockopt = fcntl(socket, F_GETFL);
if (sockopt == -1) {
return -1;
}
/* Modify */
if (blocking)
sockopt &= ~O_NONBLOCK;
else
sockopt |= O_NONBLOCK;
/* Set flags */
if (fcntl(socket, F_SETFL, sockopt) != 0)
return -1;
return 0;
#endif
}
/* Like connect(2), but with a timeout. Socket must be non-blocking. */
int
connect_timeout (int s, const struct sockaddr *serv_addr, socklen_t addrlen,
struct timeval *timeout)
connect_timeout(int s, const struct sockaddr *serv_addr, socklen_t addrlen,
struct timeval *timeout)
{
int ret;
fd_set writefds;
fd_set exceptfds;
int optval;
socklen_t optlen;
/* Start connect */
ret = connect (s, serv_addr, addrlen);
if (ret == 0)
{
/* Success */
return 0;
}
/* Check for immediate failure */
int ret;
fd_set writefds;
fd_set exceptfds;
int optval;
socklen_t optlen;
/* Start connect */
ret = connect(s, serv_addr, addrlen);
if (ret == 0) {
/* Success */
return 0;
}
/* Check for immediate failure */
#ifdef __WIN32__
errno = WSAGetLastError ();
if (ret < 0 && errno != WSAEWOULDBLOCK && errno != WSAEINVAL)
return -1;
errno = WSAGetLastError();
if (ret < 0 && errno != WSAEWOULDBLOCK && errno != WSAEINVAL)
return -1;
#else
if (ret < 0 && errno != EINPROGRESS && errno != EALREADY)
return -1;
if (ret < 0 && errno != EINPROGRESS && errno != EALREADY)
return -1;
#endif
/* In progress, wait for result. */
FD_ZERO (&writefds);
FD_SET (s, &writefds);
FD_ZERO (&exceptfds);
FD_SET (s, &exceptfds);
ret = select (s + 1, NULL, &writefds, &exceptfds, timeout);
if (ret < 0)
{
/* Error */
return -1;
}
if (ret == 0)
{
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
/* Check the socket state */
optlen = sizeof (optval);
if (getsockopt (s, SOL_SOCKET, SO_ERROR, (void *) &optval, &optlen) != 0)
return -1;
if (optval != 0)
{
/* Connection failed. */
errno = optval;
return -1;
}
/* On Windows, SO_ERROR sometimes shows no error but the connection
still failed. Sigh. */
if (FD_ISSET (s, &exceptfds) || !FD_ISSET (s, &writefds))
{
errno = EIO;
return -1;
}
/* Success */
return 0;
/* In progress, wait for result. */
FD_ZERO(&writefds);
FD_SET(s, &writefds);
FD_ZERO(&exceptfds);
FD_SET(s, &exceptfds);
ret = select(s + 1, NULL, &writefds, &exceptfds, timeout);
if (ret < 0) {
/* Error */
return -1;
}
if (ret == 0) {
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
/* Check the socket state */
optlen = sizeof(optval);
if (getsockopt(s, SOL_SOCKET, SO_ERROR, (void *)&optval, &optlen) != 0)
return -1;
if (optval != 0) {
/* Connection failed. */
errno = optval;
return -1;
}
/* On Windows, SO_ERROR sometimes shows no error but the connection
still failed. Sigh. */
if (FD_ISSET(s, &exceptfds) || !FD_ISSET(s, &writefds)) {
errno = EIO;
return -1;
}
/* Success */
return 0;
}
/* Like send(2), but with a timeout. Socket must be non-blocking.
The timeout only applies if no data at all is sent -- this function
may still send less than requested. */
ssize_t
send_timeout (int s, const void *buf, size_t len, int flags,
struct timeval * timeout)
send_timeout(int s, const void *buf, size_t len, int flags,
struct timeval * timeout)
{
fd_set writefds;
int ret;
FD_ZERO (&writefds);
FD_SET (s, &writefds);
ret = select (s + 1, NULL, &writefds, NULL, timeout);
if (ret == 0)
{
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
if (ret != 1)
{
/* Error */
return -1;
}
return send (s, buf, len, flags);
fd_set writefds;
int ret;
FD_ZERO(&writefds);
FD_SET(s, &writefds);
ret = select(s + 1, NULL, &writefds, NULL, timeout);
if (ret == 0) {
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
if (ret != 1) {
/* Error */
return -1;
}
return send(s, buf, len, flags);
}
/* Like recv(2), but with a timeout. Socket must be non-blocking.
The timeout only applies if no data at all is received -- this
function may still return less than requested. */
ssize_t
recv_timeout (int s, void *buf, size_t len, int flags,
struct timeval * timeout)
recv_timeout(int s, void *buf, size_t len, int flags, struct timeval * timeout)
{
fd_set readfds;
int ret;
FD_ZERO (&readfds);
FD_SET (s, &readfds);
ret = select (s + 1, &readfds, NULL, NULL, timeout);
if (ret == 0)
{
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
if (ret != 1)
{
/* Error */
return -1;
}
return recv (s, buf, len, flags);
fd_set readfds;
int ret;
FD_ZERO(&readfds);
FD_SET(s, &readfds);
ret = select(s + 1, &readfds, NULL, NULL, timeout);
if (ret == 0) {
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
if (ret != 1) {
/* Error */
return -1;
}
return recv(s, buf, len, flags);
}
/* Like recvfrom(2), but with a timeout. Socket must be non-blocking.
The timeout only applies if no data at all is received -- this
function may still return less than requested. */
ssize_t
recvfrom_timeout (int s, void *buf, size_t len, int flags,
struct sockaddr * address, socklen_t * address_len,
struct timeval * timeout)
recvfrom_timeout(int s, void *buf, size_t len, int flags,
struct sockaddr * address, socklen_t * address_len,
struct timeval * timeout)
{
fd_set readfds;
int ret;
FD_ZERO (&readfds);
FD_SET (s, &readfds);
ret = select (s + 1, &readfds, NULL, NULL, timeout);
if (ret == 0)
{
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
if (ret != 1)
{
/* Error */
return -1;
}
return recvfrom (s, buf, len, flags, address, address_len);
fd_set readfds;
int ret;
FD_ZERO(&readfds);
FD_SET(s, &readfds);
ret = select(s + 1, &readfds, NULL, NULL, timeout);
if (ret == 0) {
/* Timed out */
errno = ETIMEDOUT;
return -1;
}
if (ret != 1) {
/* Error */
return -1;
}
return recvfrom(s, buf, len, flags, address, address_len);
}
/* Like send_timeout, but retries (with the same timeout) in case of
partial transfers. This is a stronger attempt to send all
requested data. */
ssize_t
send_all_timeout (int s, const void *buf, size_t len, int flags,
struct timeval * timeout)
send_all_timeout(int s, const void *buf, size_t len, int flags,
struct timeval * timeout)
{
struct timeval tv;
size_t left = len;
ssize_t ret;
struct timeval tv;
size_t left = len;
ssize_t ret;
while (left > 0)
{
tv.tv_sec = timeout->tv_sec;
tv.tv_usec = timeout->tv_usec;
ret = send_timeout (s, buf, left, flags, &tv);
while (left > 0) {
tv.tv_sec = timeout->tv_sec;
tv.tv_usec = timeout->tv_usec;
ret = send_timeout(s, buf, left, flags, &tv);
if (ret < 0)
return ret;
if (ret < 0)
return ret;
if (ret == 0)
break;
if (ret == 0)
break;
left -= ret;
buf += ret;
}
left -= ret;
buf += ret;
}
return len - left;
return len - left;
}
/* Like recv_timeout, but retries (with the same timeout) in case of
partial transfers. This is a stronger attempt to recv all
requested data. */
ssize_t
recv_all_timeout (int s, void *buf, size_t len, int flags,
struct timeval * timeout)
recv_all_timeout(int s, void *buf, size_t len, int flags,
struct timeval * timeout)
{
struct timeval tv;
size_t left = len;
ssize_t ret;
struct timeval tv;
size_t left = len;
ssize_t ret;
while (left > 0)
{
tv.tv_sec = timeout->tv_sec;
tv.tv_usec = timeout->tv_usec;
ret = recv_timeout (s, buf, left, flags, &tv);
while (left > 0) {
tv.tv_sec = timeout->tv_sec;
tv.tv_usec = timeout->tv_usec;
ret = recv_timeout(s, buf, left, flags, &tv);
if (ret < 0)
return ret;
if (ret < 0)
return ret;
if (ret == 0)
break;
if (ret == 0)
break;
left -= ret;
buf += ret;
}
left -= ret;
buf += ret;
}
return len - left;
return len - left;
}
netutil.h
......@@ -27,28 +27,28 @@
#endif
/* Initialize networking */
void net_init (void);
void net_init(void);
/* Set socket blocking/nonblocking */
int soblock (int socket, int blocking);
int soblock(int socket, int blocking);
/* Like send(2), recv(2), connect(2), but with timeouts.
Socket must be O_NONBLOCK. */
int connect_timeout (int s, const struct sockaddr *serv_addr,
socklen_t addrlen, struct timeval *timeout);
ssize_t send_timeout (int s, const void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t recv_timeout (int s, void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t recvfrom_timeout (int s, void *buf, size_t len, int flags,
struct sockaddr *address, socklen_t * address_len,
struct timeval *timeout);
int connect_timeout(int s, const struct sockaddr *serv_addr,
socklen_t addrlen, struct timeval *timeout);
ssize_t send_timeout(int s, const void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t recv_timeout(int s, void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t recvfrom_timeout(int s, void *buf, size_t len, int flags,
struct sockaddr *address, socklen_t * address_len,
struct timeval *timeout);
/* Like send_timeout and recv_timeout, but they retry (with the same timeout)
in case of partial transfers, in order to try to transfer all data. */
ssize_t send_all_timeout (int s, const void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t recv_all_timeout (int s, void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t send_all_timeout(int s, const void *buf, size_t len, int flags,
struct timeval *timeout);
ssize_t recv_all_timeout(int s, void *buf, size_t len, int flags,
struct timeval *timeout);
#endif
opt.c
......@@ -11,98 +11,87 @@
#include <string.h>
#include "opt.h"
void
opt_init (int *optind)
void opt_init(int *optind)
{
*optind = 0;
*optind = 0;
}
char
opt_parse (int argc, char **argv, int *optind, char **optarg,
struct options *opt)
opt_parse(int argc, char **argv, int *optind, char **optarg,
struct options *opt)
{
char c;
int i;
(*optind)++;
if (*optind >= argc)
return 0;
char c;
int i;
(*optind)++;
if (*optind >= argc)
return 0;
if (argv[*optind][0] == '-' &&
argv[*optind][1] != '-' && argv[*optind][1] != 0)
{
/* Short option (or a bunch of 'em) */
/* Save this and shift others over */
c = argv[*optind][1];
for (i = 2; argv[*optind][i] != 0; i++)
argv[*optind][i - 1] = argv[*optind][i];
argv[*optind][i - 1] = 0;
if (argv[*optind][1] != 0)
(*optind)--;
/* Now find it */
for (i = 0; opt[i].shortopt != 0; i++)
if (opt[i].shortopt == c)
break;
if (opt[i].shortopt == 0)
{
fprintf (stderr, "Error: unknown option '-%c'\n", c);
return '?';
if (argv[*optind][0] == '-' &&
argv[*optind][1] != '-' && argv[*optind][1] != 0) {
/* Short option (or a bunch of 'em) */
/* Save this and shift others over */
c = argv[*optind][1];
for (i = 2; argv[*optind][i] != 0; i++)
argv[*optind][i - 1] = argv[*optind][i];
argv[*optind][i - 1] = 0;
if (argv[*optind][1] != 0)
(*optind)--;
/* Now find it */
for (i = 0; opt[i].shortopt != 0; i++)
if (opt[i].shortopt == c)
break;
if (opt[i].shortopt == 0) {
fprintf(stderr, "Error: unknown option '-%c'\n", c);
return '?';
}
if (opt[i].arg == NULL)
return c;
(*optind)++;
if (*optind >= argc || (argv[*optind][0] == '-' &&
argv[*optind][1] != 0)) {
fprintf(stderr, "Error: option '-%c' requires an "
"argument\n", c);
return '?';
}
(*optarg) = argv[*optind];
return c;
} else if (argv[*optind][0] == '-' &&
argv[*optind][1] == '-' && argv[*optind][2] != 0) {
/* Long option */
for (i = 0; (c = opt[i].shortopt) != 0; i++)
if (strcmp(opt[i].longopt, argv[*optind] + 2) == 0)
break;
if (opt[i].shortopt == 0) {
fprintf(stderr, "Error: unknown option '%s'\n",
argv[*optind]);
return '?';
}
if (opt[i].arg == NULL)
return c;
(*optind)++;
if (*optind >= argc || (argv[*optind][0] == '-' &&
argv[*optind][1] != 0)) {
fprintf(stderr, "Error: option '%s' requires an "
"argument\n", argv[*optind - 1]);
return '?';
}
(*optarg) = argv[*optind];
return c;
} else {
/* End of options */
return 0;
}
if (opt[i].arg == NULL)
return c;
(*optind)++;
if (*optind >= argc || (argv[*optind][0] == '-' &&
argv[*optind][1] != 0))
{
fprintf (stderr, "Error: option '-%c' requires an "
"argument\n", c);
return '?';
}
(*optarg) = argv[*optind];
return c;
}
else if (argv[*optind][0] == '-' &&
argv[*optind][1] == '-' && argv[*optind][2] != 0)
{
/* Long option */
for (i = 0; (c = opt[i].shortopt) != 0; i++)
if (strcmp (opt[i].longopt, argv[*optind] + 2) == 0)
break;
if (opt[i].shortopt == 0)
{
fprintf (stderr, "Error: unknown option '%s'\n", argv[*optind]);
return '?';
}
if (opt[i].arg == NULL)
return c;
(*optind)++;
if (*optind >= argc || (argv[*optind][0] == '-' &&
argv[*optind][1] != 0))
{
fprintf (stderr, "Error: option '%s' requires an "
"argument\n", argv[*optind - 1]);
return '?';
}
(*optarg) = argv[*optind];
return c;
}
else
{
/* End of options */
return 0;
}
}
void
opt_help (struct options *opt, FILE * out)
void opt_help(struct options *opt, FILE * out)
{
int i;
int printed;
int i;
int printed;
for (i = 0; opt[i].shortopt != 0; i++)
{
fprintf (out, " -%c, --%s%n", opt[i].shortopt,
opt[i].longopt, &printed);
fprintf (out, " %-*s%s\n", 30 - printed,
opt[i].arg ? opt[i].arg : "", opt[i].help);
}
for (i = 0; opt[i].shortopt != 0; i++) {
fprintf(out, " -%c, --%s%n", opt[i].shortopt,
opt[i].longopt, &printed);
fprintf(out, " %-*s%s\n", 30 - printed,
opt[i].arg ? opt[i].arg : "", opt[i].help);
}
}
opt.h
......@@ -11,19 +11,18 @@
#include <stdlib.h>
struct options
{
char shortopt;
char *longopt;
char *arg;
char *help;
struct options {
char shortopt;
char *longopt;
char *arg;
char *help;
};
void opt_init (int *optind);
void opt_init(int *optind);
char opt_parse (int argc, char **argv, int *optind, char **optarg,
struct options *opt);
char opt_parse(int argc, char **argv, int *optind, char **optarg,
struct options *opt);
void opt_help (struct options *opt, FILE * out);
void opt_help(struct options *opt, FILE * out);
#endif
ue9.h
......@@ -16,59 +16,56 @@
#include "netutil.h"
/* Calibration data */
struct ue9Calibration
{
double unipolarSlope[4];
double unipolarOffset[4];
double bipolarSlope;
double bipolarOffset;
double DACSlope[2];
double DACOffset[2];
double tempSlope;
double tempSlopeLow;
double calTemp;
double Vref;
double VrefDiv2;
double VsSlope;
double hiResUnipolarSlope;
double hiResUnipolarOffset;
double hiResBipolarSlope;
double hiResBipolarOffset;
struct ue9Calibration {
double unipolarSlope[4];
double unipolarOffset[4];
double bipolarSlope;
double bipolarOffset;
double DACSlope[2];
double DACOffset[2];
double tempSlope;
double tempSlopeLow;
double calTemp;
double Vref;
double VrefDiv2;
double VsSlope;
double hiResUnipolarSlope;
double hiResUnipolarOffset;
double hiResBipolarSlope;
double hiResBipolarOffset;
};
/* Comm config */
struct ue9CommConfig
{
uint8_t local_id;
uint8_t power_level;
in_addr_t address;
in_addr_t gateway;
in_addr_t subnet;
in_port_t portA;
in_port_t portB;
uint8_t dhcp_enabled;
uint8_t product_id;
uint8_t mac_address[6];
double hw_version;
double comm_fw_version;
struct ue9CommConfig {
uint8_t local_id;
uint8_t power_level;
in_addr_t address;
in_addr_t gateway;
in_addr_t subnet;
in_port_t portA;
in_port_t portB;
uint8_t dhcp_enabled;
uint8_t product_id;
uint8_t mac_address[6];
double hw_version;
double comm_fw_version;
};
/* Control config */
struct ue9ControlConfig
{
uint8_t power_level;
uint8_t reset_source;
double control_fw_version;
double control_bl_version;
uint8_t hires;
uint8_t fio_dir;
uint8_t fio_state;
uint8_t eio_dir;
uint8_t eio_state;
uint8_t cio_dirstate;;
uint8_t mio_dirstate;
uint16_t dac0;
uint16_t dac1;
struct ue9ControlConfig {
uint8_t power_level;
uint8_t reset_source;
double control_fw_version;
double control_bl_version;
uint8_t hires;
uint8_t fio_dir;
uint8_t fio_state;
uint8_t eio_dir;
uint8_t eio_state;
uint8_t cio_dirstate;;
uint8_t mio_dirstate;
uint16_t dac0;
uint16_t dac1;
};
#define UE9_UNIPOLAR_GAIN1 0x00
......@@ -77,68 +74,73 @@ struct ue9ControlConfig
#define UE9_UNIPOLAR_GAIN8 0x03
#define UE9_BIPOLAR_GAIN1 0x08
#define UE9_CHANNELS 14
#define UE9_MAX_CHANNEL_COUNT 128
#define UE9_MAX_CHANNEL 255
#define UE9_TIMERS 6
/* Fill checksums in data buffers */
void ue9_checksum_normal (uint8_t * buffer, size_t len);
void ue9_checksum_extended (uint8_t * buffer, size_t len);
void ue9_checksum_normal(uint8_t * buffer, size_t len);
void ue9_checksum_extended(uint8_t * buffer, size_t len);
/* Verify checksums in data buffers. Returns 0 on error. */
int ue9_verify_normal (uint8_t * buffer, size_t len);
int ue9_verify_extended (uint8_t * buffer, size_t len);
int ue9_verify_normal(uint8_t * buffer, size_t len);
int ue9_verify_extended(uint8_t * buffer, size_t len);
/* Open/close TCP/IP connection to the UE9 */
int ue9_open (const char *host, int port);
void ue9_close (int fd);
int ue9_open(const char *host, int port);
void ue9_close(int fd);
/* Read a memory block from the device. Returns -1 on error. */
int ue9_memory_read (int fd, int blocknum, uint8_t * buffer, int len);
int ue9_memory_read(int fd, int blocknum, uint8_t * buffer, int len);
/* Convert 64-bit fixed point to double type */
double ue9_fp64_to_double (uint8_t * data);
double ue9_fp64_to_double(uint8_t * data);
/* Retrieve calibration data or configuration from the device */
int ue9_get_calibration (int fd, struct ue9Calibration *calib);
int ue9_get_comm_config (int fd, struct ue9CommConfig *config);
int ue9_get_control_config (int fd, struct ue9ControlConfig *config);
int ue9_get_calibration(int fd, struct ue9Calibration *calib);
int ue9_get_comm_config(int fd, struct ue9CommConfig *config);
int ue9_get_control_config(int fd, struct ue9ControlConfig *config);
/* Data conversion. If calib is NULL, use uncalibrated conversions. */
double ue9_binary_to_analog (struct ue9Calibration *calib,
uint8_t gain, uint8_t resolution, uint16_t data);
double ue9_binary_to_analog(struct ue9Calibration *calib,
uint8_t gain, uint8_t resolution, uint16_t data);
/* Compute scanrate based on the provided values. */
double ue9_compute_rate (uint8_t scanconfig, uint16_t scaninterval);
double ue9_compute_rate(uint8_t scanconfig, uint16_t scaninterval);
/* Choose the best ScanConfig and ScanInterval parameters for the
desired scanrate. Returns 0 if nothing can be chosen. */
int ue9_choose_scan (double desired_rate, double *actual_rate,
uint8_t * scanconfig, uint16_t * scaninterval);
int ue9_choose_scan(double desired_rate, double *actual_rate,
uint8_t * scanconfig, uint16_t * scaninterval);
/* Flush data buffers */
void ue9_buffer_flush (int fd);
void ue9_buffer_flush(int fd);
/* Stop stream. Returns < 0 on failure. */
int ue9_stream_stop (int fd);
int ue9_stream_stop(int fd);
/* Start stream. Returns < 0 on failure. */
int ue9_stream_start (int fd);
int ue9_stream_start(int fd);
/* Execute a command on the UE9. Returns -1 on error. Fills the
checksums on the outgoing packets, and verifies them on the
incoming packets. Data in "out" is transmitted, data in "in" is
received. */
int ue9_command (int fd, uint8_t * out, uint8_t * in, int inlen);
int ue9_command(int fd, uint8_t * out, uint8_t * in, int inlen);
/* "Simple" stream configuration, assumes the channels are all
configured with the same gain. */
int ue9_streamconfig_simple (int fd, int *channel_list, int channel_count,
uint8_t scanconfig, uint16_t scaninterval,
uint8_t gain);
int ue9_streamconfig_simple(int fd, int *channel_list, int channel_count,
uint8_t scanconfig, uint16_t scaninterval,
uint8_t gain);
/* Timer configuration */
int ue9_timer_config(int fd, int *mode_list, int mode_count, int divisor);
/* Stream data and pass it to the data callback. If callback returns
negative, stops reading and returns 0. Returns < 0 on error. */
typedef int (*ue9_stream_cb_t) (int channels, uint16_t * data, void *context);
int ue9_stream_data (int fd, int channels,
ue9_stream_cb_t callback, void *context);
int ue9_stream_data(int fd, int channels,
ue9_stream_cb_t callback, void *context);
#endif
ue9error.c
#include "ue9error.h"
const char *ue9_error_text[] = {
[0] = "(no error)",
[SCRATCH_WRT_FAIL] = "SCRATCH_WRT_FAIL",
[SCRATCH_ERASE_FAIL] = "SCRATCH_ERASE_FAIL",
[DATA_BUFFER_OVERFLOW] = "DATA_BUFFER_OVERFLOW",
[ADC0_BUFFER_OVERFLOW] = "ADC0_BUFFER_OVERFLOW",
[FUNCTION_INVALID] = "FUNCTION_INVALID",
[SWDT_TIME_INVALID] = "SWDT_TIME_INVALID",
[FLASH_WRITE_FAIL] = "FLASH_WRITE_FAIL",
[FLASH_ERASE_FAIL] = "FLASH_ERASE_FAIL",
[FLASH_JMP_FAIL] = "FLASH_JMP_FAIL",
[FLASH_PSP_TIMEOUT] = "FLASH_PSP_TIMEOUT",
[FLASH_ABORT_RECEIVED] = "FLASH_ABORT_RECEIVED",
[FLASH_PAGE_MISMATCH] = "FLASH_PAGE_MISMATCH",
[FLASH_BLOCK_MISMATCH] = "FLASH_BLOCK_MISMATCH",
[FLASH_PAGE_NOT_IN_CODE_AREA] = "FLASH_PAGE_NOT_IN_CODE_AREA",
[MEM_ILLEGAL_ADDRESS] = "MEM_ILLEGAL_ADDRESS",
[FLASH_LOCKED] = "FLASH_LOCKED",
[INVALID_BLOCK] = "INVALID_BLOCK",
[FLASH_ILLEGAL_PAGE] = "FLASH_ILLEGAL_PAGE",
[STREAM_IS_ACTIVE] = "STREAM_IS_ACTIVE",
[STREAM_TABLE_INVALID] = "STREAM_TABLE_INVALID",
[STREAM_CONFIG_INVALID] = "STREAM_CONFIG_INVALID",
[STREAM_BAD_TRIGGER_SOURCE] = "STREAM_BAD_TRIGGER_SOURCE",
[STREAM_NOT_RUNNING] = "STREAM_NOT_RUNNING",
[STREAM_INVALID_TRIGGER] = "STREAM_INVALID_TRIGGER",
[STREAM_CONTROL_BUFFER_OVERFLOW] = "STREAM_CONTROL_BUFFER_OVERFLOW",
[STREAM_SCAN_OVERLAP] = "STREAM_SCAN_OVERLAP",
[STREAM_SAMPLE_NUM_INVALID] = "STREAM_SAMPLE_NUM_INVALID",
[STREAM_BIPOLAR_GAIN_INVALID] = "STREAM_BIPOLAR_GAIN_INVALID",
[STREAM_SCAN_RATE_INVALID] = "STREAM_SCAN_RATE_INVALID",
[TIMER_INVALID_MODE] = "TIMER_INVALID_MODE",
[TIMER_QUADRATURE_AB_ERROR] = "TIMER_QUADRATURE_AB_ERROR",
[TIMER_QUAD_PULSE_SEQUENCE] = "TIMER_QUAD_PULSE_SEQUENCE",
[TIMER_BAD_CLOCK_SOURCE] = "TIMER_BAD_CLOCK_SOURCE",
[TIMER_STREAM_ACTIVE] = "TIMER_STREAM_ACTIVE",
[TIMER_PWMSTOP_MODULE_ERROR] = "TIMER_PWMSTOP_MODULE_ERROR",
[EXT_OSC_NOT_STABLE] = "EXT_OSC_NOT_STABLE",
[INVALID_POWER_SETTING] = "INVALID_POWER_SETTING",
[PLL_NOT_LOCKED] = "PLL_NOT_LOCKED"
[0] = "(no error)",
[SCRATCH_WRT_FAIL] = "SCRATCH_WRT_FAIL",
[SCRATCH_ERASE_FAIL] = "SCRATCH_ERASE_FAIL",
[DATA_BUFFER_OVERFLOW] = "DATA_BUFFER_OVERFLOW",
[ADC0_BUFFER_OVERFLOW] = "ADC0_BUFFER_OVERFLOW",
[FUNCTION_INVALID] = "FUNCTION_INVALID",
[SWDT_TIME_INVALID] = "SWDT_TIME_INVALID",
[FLASH_WRITE_FAIL] = "FLASH_WRITE_FAIL",
[FLASH_ERASE_FAIL] = "FLASH_ERASE_FAIL",
[FLASH_JMP_FAIL] = "FLASH_JMP_FAIL",
[FLASH_PSP_TIMEOUT] = "FLASH_PSP_TIMEOUT",
[FLASH_ABORT_RECEIVED] = "FLASH_ABORT_RECEIVED",
[FLASH_PAGE_MISMATCH] = "FLASH_PAGE_MISMATCH",
[FLASH_BLOCK_MISMATCH] = "FLASH_BLOCK_MISMATCH",
[FLASH_PAGE_NOT_IN_CODE_AREA] = "FLASH_PAGE_NOT_IN_CODE_AREA",
[MEM_ILLEGAL_ADDRESS] = "MEM_ILLEGAL_ADDRESS",
[FLASH_LOCKED] = "FLASH_LOCKED",
[INVALID_BLOCK] = "INVALID_BLOCK",
[FLASH_ILLEGAL_PAGE] = "FLASH_ILLEGAL_PAGE",
[STREAM_IS_ACTIVE] = "STREAM_IS_ACTIVE",
[STREAM_TABLE_INVALID] = "STREAM_TABLE_INVALID",
[STREAM_CONFIG_INVALID] = "STREAM_CONFIG_INVALID",
[STREAM_BAD_TRIGGER_SOURCE] = "STREAM_BAD_TRIGGER_SOURCE",
[STREAM_NOT_RUNNING] = "STREAM_NOT_RUNNING",
[STREAM_INVALID_TRIGGER] = "STREAM_INVALID_TRIGGER",
[STREAM_CONTROL_BUFFER_OVERFLOW] = "STREAM_CONTROL_BUFFER_OVERFLOW",
[STREAM_SCAN_OVERLAP] = "STREAM_SCAN_OVERLAP",
[STREAM_SAMPLE_NUM_INVALID] = "STREAM_SAMPLE_NUM_INVALID",
[STREAM_BIPOLAR_GAIN_INVALID] = "STREAM_BIPOLAR_GAIN_INVALID",
[STREAM_SCAN_RATE_INVALID] = "STREAM_SCAN_RATE_INVALID",
[TIMER_INVALID_MODE] = "TIMER_INVALID_MODE",
[TIMER_QUADRATURE_AB_ERROR] = "TIMER_QUADRATURE_AB_ERROR",
[TIMER_QUAD_PULSE_SEQUENCE] = "TIMER_QUAD_PULSE_SEQUENCE",
[TIMER_BAD_CLOCK_SOURCE] = "TIMER_BAD_CLOCK_SOURCE",
[TIMER_STREAM_ACTIVE] = "TIMER_STREAM_ACTIVE",
[TIMER_PWMSTOP_MODULE_ERROR] = "TIMER_PWMSTOP_MODULE_ERROR",
[EXT_OSC_NOT_STABLE] = "EXT_OSC_NOT_STABLE",
[INVALID_POWER_SETTING] = "INVALID_POWER_SETTING",
[PLL_NOT_LOCKED] = "PLL_NOT_LOCKED"
};
const char *
ue9_error (int errorcode)
const char *ue9_error(int errorcode)
{
if (errorcode > ARRAY_SIZE (ue9_error_text))
return "(invalid errorcode)";
else
return ue9_error_text[errorcode];
if (errorcode > ARRAY_SIZE(ue9_error_text))
return "(invalid errorcode)";
else
return ue9_error_text[errorcode];
}
ue9error.h
......@@ -44,6 +44,6 @@
extern const char *ue9_error_text[];
const char *ue9_error (int errorcode);
const char *ue9_error(int errorcode);
#endif
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