static float pcsensor_get_temperature(usb_dev_handle* lvr_winusb, float *tempc) {
int ret;
switch (device_type(lvr_winusb)) {
case 0:
ret = get_temperature(lvr_winusb, tempc);
break;
case 1:
control_transfer(lvr_winusb, uTemperatura);
ret = interrupt_read_temperatura(lvr_winusb, tempc);
break;
}
if (ret < 0) {
return ret;
}
return 0;
}
float pcsensor_get_temperature(usb_dev_handle* lvr_winusb){
float tempc;
int ret;
switch(device_type(lvr_winusb)){
case 0:
ret = get_temperature(lvr_winusb, &tempc);
break;
case 1:
control_transfer(lvr_winusb, uTemperatura );
ret = interrupt_read_temperatura(lvr_winusb, &tempc);
break;
}
if(ret < 0){
return FLT_MIN;
}
return tempc;
}
int main( int argc, char **argv) {
usb_dev_handle *lvr_winusb = NULL;
float tempc;
float tempc_measure_offset = 0.0;
int c;
struct tm *local;
time_t t;
while ((c = getopt (argc, argv, "mnfcvhl::s::")) != -1)
switch (c)
{
case 'v':
debug = 1;
break;
case 'c':
formato=1; //Celsius
break;
case 'f':
formato=2; //Fahrenheit
break;
case 's':
if (!sscanf(optarg,"%f",&tempc_measure_offset)==1) {
fprintf (stderr, "Error: '%s' is not (float) numeric.\n", optarg);
exit(EXIT_FAILURE);
}
if (tempc_measure_offset > 100000 || tempc_measure_offset < -100000) {
fprintf (stderr, "Error: please provide a reasonable offset\n");
exit(EXIT_FAILURE);
}
case 'n':
formato=3;
break;
case 'm':
mrtg=1;
break;
case 'l':
if (optarg!=NULL){
if (!sscanf(optarg,"%i",&seconds)==1) {
fprintf (stderr, "Error: '%s' is not numeric.\n", optarg);
exit(EXIT_FAILURE);
} else {
bsalir = 0;
break;
}
} else {
bsalir = 0;
seconds = 5;
break;
}
case '?':
case 'h':
printf("pcsensor version %s\n",VERSION);
printf(" Aviable options:\n");
printf(" -h help\n");
printf(" -v verbose\n");
printf(" -l[n] loop every 'n' seconds, default value is 5s\n");
printf(" -s<f> substract 'f' °C (float) from measured temperature\n");
printf(" -c output only in Celsius\n");
printf(" -f output only in Fahrenheit\n");
printf(" -m output for mrtg integration\n");
printf(" -n only display value in Celsius for Nagios\n");
exit(EXIT_FAILURE);
default:
if (isprint (optopt))
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
else
fprintf (stderr,
"Unknown option character `\\x%x'.\n",
optopt);
exit(EXIT_FAILURE);
}
if (optind < argc) {
fprintf(stderr, "Non-option ARGV-elements, try -h for help.\n");
exit(EXIT_FAILURE);
}
if ((lvr_winusb = setup_libusb_access()) == NULL) {
exit(EXIT_FAILURE);
}
(void) signal(SIGINT, ex_program);
ini_control_transfer(lvr_winusb);
control_transfer(lvr_winusb, uTemperatura );
interrupt_read(lvr_winusb);
control_transfer(lvr_winusb, uIni1 );
interrupt_read(lvr_winusb);
control_transfer(lvr_winusb, uIni2 );
interrupt_read(lvr_winusb);
interrupt_read(lvr_winusb);
do {
control_transfer(lvr_winusb, uTemperatura );
interrupt_read_temperatura(lvr_winusb, &tempc);
tempc = tempc - tempc_measure_offset;
t = time(NULL);
local = localtime(&t);
if (mrtg) {
if (formato==2) {
printf("%.2f\n", (9.0 / 5.0 * tempc + 32.0));
printf("%.2f\n", (9.0 / 5.0 * tempc + 32.0));
} else {
printf("%.2f\n", tempc);
printf("%.2f\n", tempc);
}
printf("%02d:%02d\n",
local->tm_hour,
local->tm_min);
printf("pcsensor\n");
} else {
if (formato != 3) {
printf("%04d/%02d/%02d %02d:%02d:%02d ",
local->tm_year +1900,
local->tm_mon + 1,
local->tm_mday,
local->tm_hour,
local->tm_min,
local->tm_sec);
}
if (formato==3) {
// for Nagios
printf("%.2f\n", tempc);
}
else if (formato==2) {
printf("Temperature %.2fF\n", (9.0 / 5.0 * tempc + 32.0));
} else if (formato==1) {
printf("Temperature %.2fC\n", tempc);
} else {
printf("Temperature %.2fF %.2fC\n", (9.0 / 5.0 * tempc + 32.0), tempc);
}
fflush(stdout);
}
if (!bsalir)
sleep(seconds);
} while (!bsalir);
usb_release_interface(lvr_winusb, INTERFACE1);
usb_release_interface(lvr_winusb, INTERFACE2);
usb_close(lvr_winusb);
return 0;
}
int main( int argc, char **argv) {
usb_dev_handle *lvr_winusb = NULL;
float tempc;
int c;
struct tm *local;
time_t t;
int devicenum = 0;
while ((c = getopt (argc, argv, "mfcvhn:l::a:")) != -1)
switch (c)
{
case 'v':
debug = 1;
break;
case 'n':
if (optarg != NULL) {
if (!sscanf(optarg,"%i",&devicenum)==1) {
fprintf (stderr, "Error: '%s' is not numeric.\n", optarg);
exit(EXIT_FAILURE);
}
}
break;
case 'c':
formato=1; //Celsius
break;
case 'f':
formato=2; //Fahrenheit
break;
case 'm':
mrtg=1;
break;
case 'l':
if (optarg!=NULL){
if (!sscanf(optarg,"%i",&seconds)==1) {
fprintf (stderr, "Error: '%s' is not numeric.\n", optarg);
exit(EXIT_FAILURE);
} else {
bsalir = 0;
break;
}
} else {
bsalir = 0;
seconds = 5;
break;
}
case 'a':
if (!sscanf(optarg,"%i",&calibration)==1) {
fprintf (stderr, "Error: '%s' is not numeric.\n", optarg);
exit(EXIT_FAILURE);
} else {
break;
}
case '?':
case 'h':
printf("pcsensor version %s\n",VERSION);
printf(" Aviable options:\n");
printf(" -h help\n");
printf(" -v verbose\n");
printf(" -n[i] use device number i (0 is the first one found on the bus)\n");
printf(" -l[n] loop every 'n' seconds, default value is 5s\n");
printf(" -c output only in Celsius\n");
printf(" -f output only in Fahrenheit\n");
printf(" -a[n] increase or decrease temperature in 'n' degrees for device calibration\n");
printf(" -m output for mrtg integration\n");
exit(EXIT_FAILURE);
default:
if (isprint (optopt))
fprintf (stderr, "Unknown option `-%c'.\n", optopt);
else
fprintf (stderr,
"Unknown option character `\\x%x'.\n",
optopt);
exit(EXIT_FAILURE);
}
if (optind < argc) {
fprintf(stderr, "Non-option ARGV-elements, try -h for help.\n");
exit(EXIT_FAILURE);
}
if ((lvr_winusb = setup_libusb_access(devicenum)) == NULL) {
exit(EXIT_FAILURE);
}
(void) signal(SIGINT, ex_program);
ini_control_transfer(lvr_winusb);
control_transfer(lvr_winusb, uTemperatura );
interrupt_read(lvr_winusb);
control_transfer(lvr_winusb, uIni1 );
interrupt_read(lvr_winusb);
control_transfer(lvr_winusb, uIni2 );
interrupt_read(lvr_winusb);
interrupt_read(lvr_winusb);
do {
control_transfer(lvr_winusb, uTemperatura );
interrupt_read_temperatura(lvr_winusb, &tempc);
t = time(NULL);
local = localtime(&t);
if (mrtg) {
if (formato==2) {
printf("%.2f\n", (9.0 / 5.0 * tempc + 32.0));
printf("%.2f\n", (9.0 / 5.0 * tempc + 32.0));
} else {
printf("%.2f\n", tempc);
printf("%.2f\n", tempc);
}
printf("%02d:%02d\n",
local->tm_hour,
local->tm_min);
printf("pcsensor\n");
} else {
printf("%04d/%02d/%02d %02d:%02d:%02d ",
local->tm_year +1900,
local->tm_mon + 1,
local->tm_mday,
local->tm_hour,
local->tm_min,
local->tm_sec);
if (formato==2) {
printf("Temperature %.2fF\n", (9.0 / 5.0 * tempc + 32.0));
} else if (formato==1) {
printf("Temperature %.2fC\n", tempc);
} else {
printf("Temperature %.2fF %.2fC\n", (9.0 / 5.0 * tempc + 32.0), tempc);
}
}
if (!bsalir)
sleep(seconds);
} while (!bsalir);
usb_release_interface(lvr_winusb, INTERFACE1);
usb_release_interface(lvr_winusb, INTERFACE2);
usb_close(lvr_winusb);
return 0;
}
