diff options
| -rw-r--r-- | GNUmakefile | 3 | ||||
| -rw-r--r-- | lsraw.c | 146 | ||||
| -rw-r--r-- | meson.build | 4 |
3 files changed, 152 insertions, 1 deletions
diff --git a/GNUmakefile b/GNUmakefile index 6cce4fc..6cea92a 100644 --- a/GNUmakefile +++ b/GNUmakefile @@ -7,7 +7,7 @@ CFLAGS += -DVERSION='"$(VERSION)"' # build TARGETS := input-events input-kbd input-send input-recv -TARGETS += lsinput emulate-key lircd.conf +TARGETS += lsinput lsraw emulate-key lircd.conf HEADERS := EV.h REL.h ABS.h MSC.h LED.h SND.h REP.h KEY.h BTN.h BUS.h SW.h # default target @@ -26,6 +26,7 @@ lircd.conf: lirc.sh sh lirc.sh $@ lsinput: lsinput.o input.o +lsraw: lsraw.o input-events: input-events.o input.o input-kbd: input-kbd.o input.o input-send: input-send.o input.o tcp.o @@ -0,0 +1,146 @@ +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <unistd.h> +#include <string.h> +#include <fcntl.h> +#include <errno.h> + +#include <sys/ioctl.h> +#include <linux/hidraw.h> + +/* ------------------------------------------------------------------ */ + +static const char *tag_map[4][16] = { + { + /* main */ + [ 8 ] = "input", + [ 9 ] = "output", + [ 11 ] = "feature", + [ 10 ] = "collection", + [ 12 ] = "end", + },{ + /* global */ + [ 0 ] = "usage page", + [ 1 ] = "logical min", + [ 2 ] = "logical max", + [ 3 ] = "physical min", + [ 4 ] = "physical max", + [ 5 ] = "unit exponent", + [ 6 ] = "unit", + [ 7 ] = "report size", + [ 8 ] = "report id", + [ 9 ] = "report count", + [ 10 ] = "push", + [ 11 ] = "pop", + },{ + /* local */ + [ 0 ] = "usage", + [ 1 ] = "usage min", + [ 2 ] = "usage max", + [ 3 ] = "desig index", + [ 4 ] = "desig min", + [ 5 ] = "desig max", + [ 7 ] = "string index", + [ 8 ] = "string min", + [ 9 ] = "string max", + [ 10 ] = "delimiter", + },{ + /* reserved */ + } +}; +static const char *type_map[4] = { + "main", "global", "local", "reserved" +}; +static const int size_map[4] = { + 0, 1, 2, 4 +}; + +static void print_report(unsigned char *desc, int descsize) +{ + unsigned data; + int tag, type, size, bytes; + int i, off = 0; + + while (off < descsize) { + if (desc[off] == 0xfe) { + printf("TODO: long item\n"); + return; + } else { + tag = (desc[off] >> 4) & 0x0f; + type = (desc[off] >> 2) & 0x03; + size = (desc[off] >> 0) & 0x03; + printf(" %-16s %-6s %d --", + tag_map[type][tag] ?: "?", + type_map[type], + size_map[size]); + + data = 0; + for (i = 0; i < size_map[size]; i++) + data |= desc[off + 1 + i] << (8 * i); + printf(" %8x -- ", data); + + bytes = size_map[size] + 1; + for (i = 0; i < bytes && off + i < descsize; i++) + printf(" %02x", desc[off+i]); + printf("\n"); + + off += bytes; + } + } +} + +static int usage(char *prog, int error) +{ + fprintf(error ? stderr : stdout, + "usage: %s" + " [ -h ]\n", + prog); + exit(error); +} + +int main(int argc, char *argv[]) +{ + struct hidraw_report_descriptor desc; + int i, c, fd, rc, size; + char devname[32]; + + for (;;) { + if (-1 == (c = getopt(argc, argv, "hv"))) + break; + switch (c) { + case 'h': + usage(argv[0], 0); + default: + usage(argv[0], 1); + } + } + + for (i = 0; i < HIDRAW_MAX_DEVICES; i++) { + snprintf(devname, sizeof(devname), "/dev/hidraw%d", i); + fd = open(devname, O_RDWR); + if (fd < 0) { + if (errno != ENOENT) { + fprintf(stderr, "%s: %s\n", devname, strerror(errno)); + continue; + } else { + break; + } + } + + rc = ioctl(fd, HIDIOCGRDESCSIZE, &size); + + desc.size = size; + rc = ioctl(fd, HIDIOCGRDESC, &desc); + if (rc < 0) { + fprintf(stderr, "%s: HIDIOCGRDESC: %s\n", devname, strerror(errno)); + continue; + } + close(fd); + + printf("%s (%d)\n", devname, size); + print_report(desc.value, size); + } + + return 0; +} diff --git a/meson.build b/meson.build index cee9bdf..d1c17b5 100644 --- a/meson.build +++ b/meson.build @@ -21,6 +21,10 @@ executable('lsinput', install : true) install_man('lsinput.8') +executable('lsraw', + sources : [ 'lsraw.c', headers ], + install : true) + executable('input-events', sources : [ 'input-events.c', 'input.c', headers ], install : true) |