madmaurice/pcsensor-temper
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Change to use struct

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shakemid 2017-09-15 17:09:36 +09:00
parent b118b45bb3
commit 42d8695564
1 changed files with 39 additions and 35 deletions
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74
pcsensor.c
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@ -45,10 +45,7 @@
/* TEMPer type definition */
#define MAX_DEV 8
#define TEMPER_TYPES 3
struct temper_type {
typedef struct temper_type {
const int vendor_id;
const int product_id;
const char product_name[256];
@ -56,12 +53,19 @@ struct temper_type {
const int has_sensor; // number of temperature sensor
const int has_humid; // flag for humidity sensor
void (*decode_func)();
};
} temper_type_t;
typedef struct temper_device {
libusb_device_handle *handle;
temper_type_t *type;
} temper_device_t;
void decode_answer_fm75();
void decode_answer_sht1x();
struct temper_type tempers[TEMPER_TYPES] = {
#define TEMPER_TYPES 3
temper_type_t 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 },
@ -69,6 +73,8 @@ struct temper_type tempers[TEMPER_TYPES] = {
/* global variables */
#define MAX_DEV 8
#define INTERFACE1 0x00
#define INTERFACE2 0x01
@ -116,7 +122,7 @@ void usb_detach(libusb_device_handle *lvr_winusb, int iInterface) {
}
}
int find_lvr_winusb(libusb_device_handle **handles, int *types) {
int find_lvr_winusb(temper_device_t *devices) {
int i, j, s, cnt, numdev;
libusb_device **devs;
@ -143,27 +149,27 @@ int find_lvr_winusb(libusb_device_handle **handles, int *types) {
bus = libusb_get_bus_number(devs[i]);
port = libusb_get_port_number(devs[i]);
if ((s = libusb_open(devs[i], &handles[numdev])) < 0) {
if ((s = libusb_open(devs[i], &devices[numdev].handle)) < 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.iProduct, descprod, 256);
libusb_get_string_descriptor_ascii(handles[numdev], desc.iSerialNumber, descseri, 256);
libusb_get_string_descriptor_ascii(devices[numdev].handle, desc.iManufacturer, descmanu, 256);
libusb_get_string_descriptor_ascii(devices[numdev].handle, desc.iProduct, descprod, 256);
libusb_get_string_descriptor_ascii(devices[numdev].handle, desc.iSerialNumber, descseri, 256);
if (tempers[j].check_product_name) {
if (strncmp((const char*)descprod, tempers[j].product_name, strlen(tempers[j].product_name)) == 0) {
types[numdev] = j;
devices[numdev].type = &tempers[j];
}
else {
// vid and pid match, but product name unmatch
libusb_close(handles[numdev]);
libusb_close(devices[numdev].handle);
continue;
}
}
else {
types[numdev] = j;
devices[numdev].type = &tempers[j];
}
if (debug) {
@ -181,7 +187,7 @@ int find_lvr_winusb(libusb_device_handle **handles, int *types) {
return numdev;
}
int setup_libusb_access(libusb_device_handle **handles, int *types) {
int setup_libusb_access(temper_device_t *devices) {
int i;
int numdev;
@ -193,28 +199,28 @@ int setup_libusb_access(libusb_device_handle **handles, int *types) {
libusb_set_debug(ctx, 0); //LIBUSB_LOG_LEVEL_NONE
}
if((numdev = find_lvr_winusb(handles, types)) < 1) {
if((numdev = find_lvr_winusb(devices)) < 1) {
fprintf(stderr, "Couldn't find the USB device, Exiting: %d\n", numdev);
return -1;
}
for (i = 0; i < numdev; i++) {
usb_detach(handles[i], INTERFACE1);
usb_detach(handles[i], INTERFACE2);
usb_detach(devices[i].handle, INTERFACE1);
usb_detach(devices[i].handle, INTERFACE2);
if (libusb_set_configuration(handles[i], 0x01) < 0) {
if (libusb_set_configuration(devices[i].handle, 0x01) < 0) {
fprintf(stderr, "Could not set configuration 1\n");
return -1;
}
// Microdia tiene 2 interfaces
int s;
if ((s = libusb_claim_interface(handles[i], INTERFACE1)) < 0) {
if ((s = libusb_claim_interface(devices[i].handle, INTERFACE1)) < 0) {
fprintf(stderr, "Could not claim interface. Error:%d\n", s);
return -1;
}
if ((s = libusb_claim_interface(handles[i], INTERFACE2)) < 0) {
if ((s = libusb_claim_interface(devices[i].handle, INTERFACE2)) < 0) {
fprintf(stderr, "Could not claim interface. Error:%d\n", s);
return -1;
}
@ -312,8 +318,7 @@ void decode_answer_sht1x(unsigned char *answer, float *tempd, float *calibration
};
int main(int argc, char **argv) {
libusb_device_handle **handles;
int *types;
temper_device_t *devices;
int numdev,i;
unsigned char *answer;
float tempd[2];
@ -380,9 +385,8 @@ int main(int argc, char **argv) {
exit(EXIT_FAILURE);
}
handles = calloc(MAX_DEV, sizeof(libusb_device_handle*));
types = calloc(MAX_DEV, sizeof(int));
if ((numdev = setup_libusb_access(handles, types)) < 1) {
devices = calloc(MAX_DEV, sizeof(temper_device_t*));
if ((numdev = setup_libusb_access(devices)) < 1) {
exit(EXIT_FAILURE);
}
@ -407,9 +411,9 @@ int main(int argc, char **argv) {
do {
for (i = 0; i < numdev; i++) {
control_transfer(handles[i], uTemperature);
interrupt_read(handles[i], answer);
tempers[types[i]].decode_func(answer, tempd, calibration);
control_transfer(devices[i].handle, uTemperature);
interrupt_read(devices[i].handle, answer);
devices[i].type->decode_func(answer, tempd, calibration);
t = time(NULL);
local = localtime(&t);
@ -426,19 +430,19 @@ int main(int argc, char **argv) {
if (formato==2) {
// in Fahrenheit
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) {
if (devices[i].type->has_sensor == 2) {
printf("%s\t%d\texternal\t%.2f F\n", strdate, i, (9.0 / 5.0 * tempd[1] + 32.0));
}
} else {
// in Celsius
printf("%s\t%d\tinternal\t%.2f C\n", strdate, i, tempd[0]);
if (tempers[types[i]].has_sensor == 2) {
if (devices[i].type->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) {
if (devices[i].type->has_humid == 1) {
printf("%s\t%d\thumidity\t%.2f %%\n", strdate, i, tempd[1]);
}
@ -448,10 +452,10 @@ int main(int argc, char **argv) {
} while (!bsalir);
for (i = 0; i < numdev; i++) {
libusb_release_interface(handles[i], INTERFACE1);
libusb_release_interface(handles[i], INTERFACE2);
libusb_release_interface(devices[i].handle, INTERFACE1);
libusb_release_interface(devices[i].handle, INTERFACE2);
libusb_close(handles[i]);
libusb_close(devices[i].handle);
}
return 0;