madmaurice/pcsensor-temper
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Add support for 0c45:7402

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shakemid 2017-09-15 15:42:11 +09:00
parent e7170399df
commit b118b45bb3
1 changed files with 127 additions and 37 deletions
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164
pcsensor.c
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@ -41,16 +41,37 @@
#include <signal.h> #include <signal.h>
#include <libusb.h> #include <libusb.h>
#define VERSION "1.1.0" #define VERSION "1.2.0"
#define VENDOR_ID 0x0c45 /* TEMPer type definition */
#define PRODUCT_ID 0x7401
#define MAX_DEV 8
#define TEMPER_TYPES 3
struct temper_type {
const int vendor_id;
const int product_id;
const char product_name[256];
const int check_product_name; // if set, check product name in forward match
const int has_sensor; // number of temperature sensor
const int has_humid; // flag for humidity sensor
void (*decode_func)();
};
void decode_answer_fm75();
void decode_answer_sht1x();
struct temper_type tempers[TEMPER_TYPES] = {
{ 0x0c45, 0x7401, "TEMPer2", 1, 2, 0, decode_answer_fm75 }, // TEMPer2* eg. TEMPer2V1.3
{ 0x0c45, 0x7401, "TEMPer1", 0, 1, 0, decode_answer_fm75 }, // other 0c45:7401 eg. TEMPerV1.4
{ 0x0c45, 0x7402, "TEMPerHUM", 0, 1, 1, decode_answer_sht1x },
};
/* global variables */
#define INTERFACE1 0x00 #define INTERFACE1 0x00
#define INTERFACE2 0x01 #define INTERFACE2 0x01
#define MAX_DEV 8
const static int reqIntLen=8; const static int reqIntLen=8;
const static int endpoint_Int_in=0x82; /* endpoint 0x81 address for IN */ const static int endpoint_Int_in=0x82; /* endpoint 0x81 address for IN */
const static int timeout=5000; /* timeout in ms */ const static int timeout=5000; /* timeout in ms */
@ -66,6 +87,8 @@ static int formato=1; //Celsius
static libusb_context *ctx = NULL; static libusb_context *ctx = NULL;
/* functions */
void bad(const char *why) { void bad(const char *why) {
fprintf(stderr,"Fatal error> %s\n",why); fprintf(stderr,"Fatal error> %s\n",why);
exit(17); exit(17);
@ -93,8 +116,8 @@ void usb_detach(libusb_device_handle *lvr_winusb, int iInterface) {
} }
} }
int find_lvr_winusb(libusb_device_handle **handles) { int find_lvr_winusb(libusb_device_handle **handles, int *types) {
int i, s, cnt, numdev; int i, j, s, cnt, numdev;
libusb_device **devs; libusb_device **devs;
//handle = libusb_open_device_with_vid_pid(ctx, VENDOR_ID, PRODUCT_ID); //handle = libusb_open_device_with_vid_pid(ctx, VENDOR_ID, PRODUCT_ID);
@ -113,24 +136,43 @@ int find_lvr_winusb(libusb_device_handle **handles) {
continue; continue;
} }
if (desc.idVendor == VENDOR_ID && desc.idProduct == PRODUCT_ID) { for (j = 0; j < TEMPER_TYPES; j++) {
if ((s = libusb_open(devs[i], &handles[numdev])) < 0) { if (desc.idVendor == tempers[j].vendor_id && desc.idProduct == tempers[j].product_id) {
fprintf(stderr, "Could not open USB device: %d\n", s);
continue;
}
if(debug) {
unsigned char bus, port, descmanu[256], descprod[256], descseri[256]; unsigned char bus, port, descmanu[256], descprod[256], descseri[256];
bus = libusb_get_bus_number(devs[i]); bus = libusb_get_bus_number(devs[i]);
port = libusb_get_port_number(devs[i]); port = libusb_get_port_number(devs[i]);
if ((s = libusb_open(devs[i], &handles[numdev])) < 0) {
fprintf(stderr, "Could not open USB device: %d\n", s);
continue;
}
libusb_get_string_descriptor_ascii(handles[numdev], desc.iManufacturer, descmanu, 256); libusb_get_string_descriptor_ascii(handles[numdev], desc.iManufacturer, descmanu, 256);
libusb_get_string_descriptor_ascii(handles[numdev], desc.iProduct, descprod, 256); libusb_get_string_descriptor_ascii(handles[numdev], desc.iProduct, descprod, 256);
libusb_get_string_descriptor_ascii(handles[numdev], desc.iSerialNumber, descseri, 256); libusb_get_string_descriptor_ascii(handles[numdev], desc.iSerialNumber, descseri, 256);
printf("lvr_winusb with Bus:%03d Port:%03d VendorID:%04x ProductID:%04x Manufacturer:%s Product:%s Serial:%s found.\n",
bus, port, desc.idVendor, desc.idProduct, descmanu, descprod, descseri);
}
numdev++; if (tempers[j].check_product_name) {
if (strncmp((const char*)descprod, tempers[j].product_name, strlen(tempers[j].product_name)) == 0) {
types[numdev] = j;
}
else {
// vid and pid match, but product name unmatch
libusb_close(handles[numdev]);
continue;
}
}
else {
types[numdev] = j;
}
if (debug) {
printf("lvr_winusb with Bus:%03d Port:%03d VendorID:%04x ProductID:%04x Manufacturer:%s Product:%s Serial:%s found.\n",
bus, port, desc.idVendor, desc.idProduct, descmanu, descprod, descseri);
}
numdev++;
}
} }
} }
@ -139,8 +181,9 @@ int find_lvr_winusb(libusb_device_handle **handles) {
return numdev; return numdev;
} }
int setup_libusb_access(libusb_device_handle **handles) { int setup_libusb_access(libusb_device_handle **handles, int *types) {
int i,numdev; int i;
int numdev;
libusb_init(&ctx); libusb_init(&ctx);
@ -150,7 +193,7 @@ int setup_libusb_access(libusb_device_handle **handles) {
libusb_set_debug(ctx, 0); //LIBUSB_LOG_LEVEL_NONE libusb_set_debug(ctx, 0); //LIBUSB_LOG_LEVEL_NONE
} }
if((numdev = find_lvr_winusb(handles)) < 1) { if((numdev = find_lvr_winusb(handles, types)) < 1) {
fprintf(stderr, "Couldn't find the USB device, Exiting: %d\n", numdev); fprintf(stderr, "Couldn't find the USB device, Exiting: %d\n", numdev);
return -1; return -1;
} }
@ -237,18 +280,50 @@ void ex_program(int sig) {
(void) signal(SIGINT, SIG_DFL); (void) signal(SIGINT, SIG_DFL);
} }
int main( int argc, char **argv) { /* decode funcs */
/* Thanks to https://github.com/edorfaus/TEMPered */
void decode_answer_fm75(unsigned char *answer, float *tempd, float *calibration) {
int buf;
// temp C internal
buf = ((signed char)answer[2] << 8) + (answer[3] & 0xFF);
tempd[0] = buf * (125.0 / 32000.0);
tempd[0] = tempd[0] * calibration[0] + calibration[1];
// temp C external
buf = ((signed char)answer[4] << 8) + (answer[5] & 0xFF);
tempd[1] = buf * (125.0 / 32000.0);
tempd[1] = tempd[1] * calibration[0] + calibration[1];
};
void decode_answer_sht1x(unsigned char *answer, float *tempd, float *calibration){
int buf;
// temp C
buf = ((signed char)answer[2] << 8) + (answer[3] && 0xFF);
tempd[0] = -39.7 + 0.01 * buf;
tempd[0] = tempd[0] * calibration[0] + calibration[1];
// relative humidity
buf = ((signed char)answer[4] << 8) + (answer[5] && 0xFF);
tempd[1] = -2.0468 + 0.0367 * buf - 1.5955e-6 * buf * buf;
tempd[1] = ( tempd[0] - 25 ) * ( 0.01 + 0.00008 * tempd[1] ) + tempd[1];
};
int main(int argc, char **argv) {
libusb_device_handle **handles; libusb_device_handle **handles;
int *types;
int numdev,i; int numdev,i;
unsigned char *answer; unsigned char *answer;
int temperature; float tempd[2];
float calibration[2] = { 1, 0 }; //scale, offset
char strdate[20]; char strdate[20];
float tempInC, tempExC;
int c; int c;
struct tm *local; struct tm *local;
time_t t; time_t t;
while ((c = getopt (argc, argv, "vcfl::h")) != -1) while ((c = getopt(argc, argv, "vcfl::a:h")) != -1)
switch (c) switch (c)
{ {
case 'v': case 'v':
@ -262,7 +337,7 @@ int main( int argc, char **argv) {
break; break;
case 'l': case 'l':
if (optarg!=NULL){ if (optarg!=NULL){
if (!sscanf(optarg,"%i",&seconds)==1) { if (!(sscanf(optarg,"%i",&seconds) == 1)) {
fprintf (stderr, "Error: '%s' is not numeric.\n", optarg); fprintf (stderr, "Error: '%s' is not numeric.\n", optarg);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} else { } else {
@ -274,6 +349,12 @@ int main( int argc, char **argv) {
seconds = 5; seconds = 5;
break; break;
} }
case 'a':
if (!(sscanf(optarg,"%f:%f", &calibration[0], &calibration[1]) == 2)) {
fprintf (stderr, "Error: '%s' is not numeric.\n", optarg);
exit(EXIT_FAILURE);
}
break;
case '?': case '?':
case 'h': case 'h':
printf("pcsensor version %s\n",VERSION); printf("pcsensor version %s\n",VERSION);
@ -281,6 +362,7 @@ int main( int argc, char **argv) {
printf(" -h help\n"); printf(" -h help\n");
printf(" -v verbose\n"); printf(" -v verbose\n");
printf(" -l[n] loop every 'n' seconds, default value is 5s\n"); printf(" -l[n] loop every 'n' seconds, default value is 5s\n");
printf(" -a scale:offset set values calibration TempC*scale+offset eg. 1.02:-0.55 \n");
printf(" -c output in Celsius (default)\n"); printf(" -c output in Celsius (default)\n");
printf(" -f output in Fahrenheit\n"); printf(" -f output in Fahrenheit\n");
@ -299,7 +381,8 @@ int main( int argc, char **argv) {
} }
handles = calloc(MAX_DEV, sizeof(libusb_device_handle*)); handles = calloc(MAX_DEV, sizeof(libusb_device_handle*));
if ((numdev = setup_libusb_access(handles)) < 1) { types = calloc(MAX_DEV, sizeof(int));
if ((numdev = setup_libusb_access(handles, types)) < 1) {
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
@ -326,12 +409,7 @@ int main( int argc, char **argv) {
for (i = 0; i < numdev; i++) { for (i = 0; i < numdev; i++) {
control_transfer(handles[i], uTemperature); control_transfer(handles[i], uTemperature);
interrupt_read(handles[i], answer); interrupt_read(handles[i], answer);
tempers[types[i]].decode_func(answer, tempd, calibration);
temperature = (answer[3] & 0xFF) + ((signed char)answer[2] << 8);
tempInC = temperature * (125.0 / 32000.0);
temperature = (answer[5] & 0xFF) + ((signed char)answer[4] << 8);
tempExC = temperature * (125.0 / 32000.0);
t = time(NULL); t = time(NULL);
local = localtime(&t); local = localtime(&t);
@ -344,12 +422,24 @@ int main( int argc, char **argv) {
local->tm_min, local->tm_min,
local->tm_sec); local->tm_sec);
// print temperature
if (formato==2) { if (formato==2) {
printf("%s\t%d\tinternal\t%.2f F\n", strdate, i, (9.0 / 5.0 * tempInC + 32.0)); // in Fahrenheit
printf("%s\t%d\texternal\t%.2f F\n", strdate, i, (9.0 / 5.0 * tempExC + 32.0)); printf("%s\t%d\tinternal\t%.2f F\n", strdate, i, (9.0 / 5.0 * tempd[0] + 32.0));
if (tempers[types[i]].has_sensor == 2) {
printf("%s\t%d\texternal\t%.2f F\n", strdate, i, (9.0 / 5.0 * tempd[1] + 32.0));
}
} else { } else {
printf("%s\t%d\tinternal\t%.2f C\n", strdate, i, tempInC); // in Celsius
printf("%s\t%d\texternal\t%.2f C\n", strdate, i, tempExC); printf("%s\t%d\tinternal\t%.2f C\n", strdate, i, tempd[0]);
if (tempers[types[i]].has_sensor == 2) {
printf("%s\t%d\texternal\t%.2f C\n", strdate, i, tempd[1]);
}
}
// print humidity
if (tempers[types[i]].has_humid == 1) {
printf("%s\t%d\thumidity\t%.2f %%\n", strdate, i, tempd[1]);
} }
if (!bsalir) if (!bsalir)