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