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Remove trailing spaces

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Eric Jiang 2022-04-16 12:05:35 -07:00 committed by Eric Jiang
parent 6ec35c72a3
commit 82a09725eb
1 changed files with 16 additions and 16 deletions
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32
usbscale.c
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@ -82,7 +82,7 @@ uint8_t get_first_endpoint_address(libusb_device* dev);
// Point of Sale Usage Tables*, version 1.02, by the USB Implementers' Forum.
// The list is laid out so that the unit code returned by the scale is the
// index of its corresponding string.
//
//
const char* UNITS[13] = {
"units", // unknown unit
"mg", // milligram
@ -117,7 +117,7 @@ int main(int argc, char **argv)
// We first try to init libusb.
//
r = libusb_init(NULL);
//
//
// If `libusb_init` errored, then we quit immediately.
//
if (r < 0)
@ -143,7 +143,7 @@ int main(int argc, char **argv)
fprintf(stderr, "No USB scale found on this computer.\n");
return -1;
}
//
// Once we have a pointer to the USB scale in question, we open it.
//
@ -204,7 +204,7 @@ int main(int argc, char **argv)
fprintf(stderr, "tared\n");
}
}
//
// For some reason, we get old data the first time, so let's just get that
// out of the way now. It can't hurt to grab another packet from the scale.
@ -219,7 +219,7 @@ int main(int argc, char **argv)
&len,
10000 //timeout => 10 sec
);
//
//
// We read data from the scale in an infinite loop, stopping when
// **print_scale_data** tells us that it's successfully gotten the weight
// from the scale, or if the scale or transmissions indicates an error.
@ -240,7 +240,7 @@ int main(int argc, char **argv)
&len,
10000 //timeout => 10 sec
);
//
//
// If the data transfer succeeded, then we pass along the data we
// received to **print_scale_data**.
//
@ -264,8 +264,8 @@ int main(int argc, char **argv)
break;
}
}
//
//
// At the end, we make sure that we reattach the kernel driver that we
// detached earlier, close the handle to the device, free the device list
// that we retrieved, and exit libusb.
@ -277,10 +277,10 @@ int main(int argc, char **argv)
libusb_free_device_list(devs, 1);
libusb_exit(NULL);
//
//
// The return code will be 0 for success or -1 for errors (see
// `libusb_init` above if it's neither 0 nor -1).
//
//
return scale_result;
}
@ -298,11 +298,11 @@ int main(int argc, char **argv)
//
static int print_scale_data(unsigned char* dat) {
//
//
// We keep around `lastStatus` so that we're not constantly printing the
// same status message while waiting for a weighing. If the status hasn't
// changed from last time, **print_scale_data** prints nothing.
//
//
static uint8_t lastStatus = 0;
//
@ -373,7 +373,7 @@ static int print_scale_data(unsigned char* dat) {
fprintf(stderr, "Unknown status code: %d\n", status);
return -1;
}
lastStatus = status;
return 1;
}
@ -381,7 +381,7 @@ static int print_scale_data(unsigned char* dat) {
//
// find_scale
// ----------
//
//
// **find_scale** takes a `libusb_device\*\*` list and loop through it,
// matching each device's vendor and product IDs to the scales.h list. It
// return the first matching `libusb_device\*` or 0 if no matching device is
@ -406,7 +406,7 @@ static libusb_device* find_scale(libusb_device **devs)
}
int i;
for (i = 0; i < NSCALES; i++) {
if(desc.idVendor == scales[i][0] &&
if(desc.idVendor == scales[i][0] &&
desc.idProduct == scales[i][1]) {
/*
* Debugging data about found scale
@ -442,7 +442,7 @@ static libusb_device* find_scale(libusb_device **devs)
libusb_close(hand);
#endif
return dev;
break;
}
}