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Documentation is licensed under LGPL-2.1-or-later. Scripts are MIT to facilitate reuse. Examples are relicensed to CC0-1.0 to maximise copy-and-paste for users, with permission from authors.
31 lines
670 B
C
31 lines
670 B
C
/* SPDX-License-Identifier: CC0-1.0 */
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#include <stdio.h>
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#include <stdint.h>
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#include <sd-hwdb.h>
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int print_usb_properties(uint16_t vid, uint16_t pid) {
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char match[STRLEN("usb:vp") + DECIMAL_STR_MAX(uint16_t) * 2];
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sd_hwdb *hwdb;
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const char *key, *value;
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int r;
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/* Match this USB vendor and product ID combination */
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xsprintf(match, "usb:v%04Xp%04X", vid, pid);
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r = sd_hwdb_new(&hwdb);
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if (r < 0)
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return r;
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SD_HWDB_FOREACH_PROPERTY(hwdb, match, key, value)
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printf("%s: \"%s\" → \"%s\"\n", match, key, value);
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sd_hwdb_unref(hwdb);
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return 0;
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}
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int main(int argc, char **argv) {
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print_usb_properties(0x046D, 0xC534);
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return 0;
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}
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