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/*
* m4api, a tool for M4-ATX DC-DC power supplies
* (c) 2009-2010 Ken Tossell <ktossell@umd.edu>
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, version 2.1,
* as published by the Free Software Foundation.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <usb.h>
#include "m4api.h"
int main (int argc, char **argv) {
int field_id;
float val;
struct m4Handle *dev;
dev = m4Init();
if (!dev) {
perror("m4Init");
return -1;
}
/* by default, print diagnostics */
if (argc == 1 || (argc >= 2 && !strcmp(argv[1], "-diag"))) {
char diagBuf[24];
char repeat = argc >= 3;
if (repeat) {
for (;;) {
if (m4FetchDiag(dev, diagBuf) < 0) {
puts("ERROR: cannot fetch diagnostics");
return -1;
}
printf("-- %d\n", time(NULL));
m4PrintDiag(dev, diagBuf);
sleep(1);
}
} else {
if (m4FetchDiag(dev, diagBuf) < 0) {
puts("ERROR: cannot fetch diagnostics");
return -1;
}
m4PrintDiag(dev, diagBuf);
}
} else if (argc >= 2 && !strcmp(argv[1], "-config")) {
/* with no further args after -config, print them all */
char configBuf[24];
if (argc == 2) {
for (field_id = 0; field_id < M4_NUM_CONFIG_FIELDS; ++field_id) {
struct m4ConfigField *field = &m4ConfigFields[field_id];
printf("%s:\t", field->name);
m4GetConfig(dev, field, configBuf);
m4PrintVal(dev, field->type, m4GetVal(dev, field->type, &configBuf[4]));
if (*m4TypeDescs[field->type] != 0)
printf(" %s\n", m4TypeDescs[field->type]);
else
puts("");
}
} else {
/* we got a field name; first verify it */
int field_id = m4ConfigField(dev, argv[2]);
if (field_id < 0) {
fprintf(stderr, "%s: Invalid configuration field\n", argv[2]);
return -1;
}
struct m4ConfigField *field = &m4ConfigFields[field_id];
if (argc >= 4) {
return m4SetConfig(dev, field, argv[3]);
} else {
m4GetConfig(dev, field, configBuf);
m4PrintVal(dev, field->type, m4GetVal(dev, field->type, &configBuf[4]));
if (&m4TypeDescs[field->type] != 0)
printf(" %s\n", m4TypeDescs[field->type]);
else
puts("");
}
}
} else {
printf("m4ctl version %d.%d\n",
M4API_VERSION_MAJOR, M4API_VERSION_MINOR);
printf("USAGE: %s -diag [loop] # Print diagnostic values\n" \
" %s -config # Print all config values\n" \
" %s -config FIELD # Print one field\n" \
" %s -config FIELD VALUE # Set one value\n",
argv[0], argv[0], argv[0], argv[0]
);
return -1;
}
m4Close(dev);
return 0;
}
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