| 1 | #include <stdlib.h> |
| 2 | #include <stdio.h> |
| 3 | #include <unistd.h> |
| 4 | #include <fcntl.h> |
| 5 | #include <errno.h> |
| 6 | #include <sys/ioctl.h> |
| 7 | #include <linux/input.h> |
| 8 | |
| 9 | int main(int argc, char **argv) |
| 10 | { |
| 11 | int c, ret, fd; |
| 12 | struct input_event iev; |
| 13 | int grab, decode; |
| 14 | |
| 15 | if(argc < 2) { |
| 16 | fprintf(stderr, "usage: evcat [-gd] FILE\n"); |
| 17 | exit(1); |
| 18 | } |
| 19 | grab = decode = 0; |
| 20 | while((c = getopt(argc, argv, "gd")) > 0) { |
| 21 | switch(c) { |
| 22 | case 'g': |
| 23 | grab = 1; |
| 24 | break; |
| 25 | case 'd': |
| 26 | decode = 1; |
| 27 | break; |
| 28 | default: |
| 29 | exit(1); |
| 30 | } |
| 31 | } |
| 32 | if((fd = open(argv[optind], O_RDONLY)) < 0) { |
| 33 | perror(argv[optind]); |
| 34 | exit(1); |
| 35 | } |
| 36 | if(grab && ioctl(fd, EVIOCGRAB, 1)) { |
| 37 | perror("EVIOCGRAB"); |
| 38 | exit(1); |
| 39 | } |
| 40 | while(1) { |
| 41 | ret = read(fd, &iev, sizeof(iev)); |
| 42 | if(ret < 0) { |
| 43 | perror("read"); |
| 44 | exit(1); |
| 45 | } |
| 46 | if(ret == 0) |
| 47 | break; |
| 48 | if(decode) { |
| 49 | printf("%010lu.%06lu:\t", iev.time.tv_sec, iev.time.tv_usec); |
| 50 | switch(iev.type) { |
| 51 | case EV_SYN: |
| 52 | printf("sync\t"); |
| 53 | switch(iev.code) { |
| 54 | case SYN_REPORT: |
| 55 | printf("report"); |
| 56 | break; |
| 57 | case SYN_CONFIG: |
| 58 | printf("config"); |
| 59 | break; |
| 60 | default: |
| 61 | printf("%04x", iev.code); |
| 62 | } |
| 63 | break; |
| 64 | case EV_KEY: |
| 65 | printf("key\t%i\t%i", iev.code, iev.value); |
| 66 | break; |
| 67 | case EV_REL: |
| 68 | printf("rel\t"); |
| 69 | switch(iev.code) { |
| 70 | case REL_X: |
| 71 | printf("x\t%04i", iev.value); |
| 72 | break; |
| 73 | case REL_Y: |
| 74 | printf("y\t%04i", iev.value); |
| 75 | break; |
| 76 | case REL_Z: |
| 77 | printf("z\t%04i", iev.value); |
| 78 | break; |
| 79 | case REL_RX: |
| 80 | printf("rx\t%04i", iev.value); |
| 81 | break; |
| 82 | case REL_RY: |
| 83 | printf("ry\t%04i", iev.value); |
| 84 | break; |
| 85 | case REL_RZ: |
| 86 | printf("rz\t%04i", iev.value); |
| 87 | break; |
| 88 | case REL_HWHEEL: |
| 89 | printf("hwheel\t%04i", iev.value); |
| 90 | break; |
| 91 | case REL_DIAL: |
| 92 | printf("dial\t%04i", iev.value); |
| 93 | break; |
| 94 | case REL_WHEEL: |
| 95 | printf("wheel\t%04i", iev.value); |
| 96 | break; |
| 97 | case REL_MISC: |
| 98 | printf("misc\t%04i", iev.value); |
| 99 | break; |
| 100 | } |
| 101 | break; |
| 102 | case EV_ABS: |
| 103 | printf("abs\t"); |
| 104 | switch(iev.code) { |
| 105 | case ABS_X: |
| 106 | printf("x\t%04i", iev.value); |
| 107 | break; |
| 108 | case ABS_Y: |
| 109 | printf("y\t%04i", iev.value); |
| 110 | break; |
| 111 | case ABS_Z: |
| 112 | printf("z\t%04i", iev.value); |
| 113 | break; |
| 114 | case ABS_RX: |
| 115 | printf("rx\t%04i", iev.value); |
| 116 | break; |
| 117 | case ABS_RY: |
| 118 | printf("ry\t%04i", iev.value); |
| 119 | break; |
| 120 | case ABS_RZ: |
| 121 | printf("rz\t%04i", iev.value); |
| 122 | break; |
| 123 | case ABS_THROTTLE: |
| 124 | printf("throttle\t%04i", iev.value); |
| 125 | break; |
| 126 | case ABS_RUDDER: |
| 127 | printf("rudder\t%04i", iev.value); |
| 128 | break; |
| 129 | case ABS_WHEEL: |
| 130 | printf("wheel\t%04i", iev.value); |
| 131 | break; |
| 132 | case ABS_GAS: |
| 133 | printf("gas\t%04i", iev.value); |
| 134 | break; |
| 135 | case ABS_BRAKE: |
| 136 | printf("brake\t%04i", iev.value); |
| 137 | break; |
| 138 | case ABS_PRESSURE: |
| 139 | printf("pressure\t%04i", iev.value); |
| 140 | break; |
| 141 | case ABS_DISTANCE: |
| 142 | printf("distance\t%04i", iev.value); |
| 143 | break; |
| 144 | case ABS_TILT_X: |
| 145 | printf("tilt-x\t%04i", iev.value); |
| 146 | break; |
| 147 | case ABS_TILT_Y: |
| 148 | printf("tilt-y\t%04i", iev.value); |
| 149 | break; |
| 150 | case ABS_TOOL_WIDTH: |
| 151 | printf("width\t%04i", iev.value); |
| 152 | break; |
| 153 | case ABS_VOLUME: |
| 154 | printf("volume\t%04i", iev.value); |
| 155 | break; |
| 156 | case ABS_MISC: |
| 157 | printf("misc\t%04i", iev.value); |
| 158 | break; |
| 159 | } |
| 160 | break; |
| 161 | case EV_MSC: |
| 162 | printf("misc\t"); |
| 163 | switch(iev.code) { |
| 164 | case MSC_SERIAL: |
| 165 | printf("serial\t%i", iev.value); |
| 166 | break; |
| 167 | case MSC_PULSELED: |
| 168 | printf("pled\t%i", iev.value); |
| 169 | break; |
| 170 | case MSC_GESTURE: |
| 171 | printf("gesture\t%i", iev.value); |
| 172 | break; |
| 173 | case MSC_RAW: |
| 174 | printf("raw\t%i", iev.value); |
| 175 | break; |
| 176 | case MSC_SCAN: |
| 177 | printf("scan\t%i", iev.value); |
| 178 | break; |
| 179 | } |
| 180 | break; |
| 181 | case EV_LED: |
| 182 | printf("led\t"); |
| 183 | switch(iev.code) { |
| 184 | case LED_NUML: |
| 185 | printf("num\t"); |
| 186 | break; |
| 187 | case LED_CAPSL: |
| 188 | printf("caps\t"); |
| 189 | break; |
| 190 | case LED_SCROLLL: |
| 191 | printf("scroll\t"); |
| 192 | break; |
| 193 | default: |
| 194 | printf("%i\t", iev.code); |
| 195 | break; |
| 196 | } |
| 197 | printf("%i", iev.value); |
| 198 | break; |
| 199 | case EV_SND: |
| 200 | printf("sound\t%i\t%i", iev.code, iev.value); |
| 201 | break; |
| 202 | case EV_REP: |
| 203 | printf("repeat\t"); |
| 204 | switch(iev.code) { |
| 205 | case REP_DELAY: |
| 206 | printf("delay\t"); |
| 207 | break; |
| 208 | case REP_PERIOD: |
| 209 | printf("period\t"); |
| 210 | break; |
| 211 | default: |
| 212 | printf("%i\t", iev.code); |
| 213 | break; |
| 214 | } |
| 215 | printf("%i", iev.value); |
| 216 | break; |
| 217 | default: |
| 218 | printf("%04x %04x %08x", iev.type, iev.code, iev.value); |
| 219 | break; |
| 220 | } |
| 221 | printf("\n"); |
| 222 | } else { |
| 223 | printf("%010lu.%06lu: %04x %04x %08x\n", iev.time.tv_sec, iev.time.tv_usec, iev.type, iev.code, iev.value); |
| 224 | } |
| 225 | fflush(stdout); |
| 226 | } |
| 227 | if(grab && ioctl(fd, EVIOCGRAB, 0)) { |
| 228 | perror("EVIOC(un)GRAB"); |
| 229 | exit(1); |
| 230 | } |
| 231 | close(fd); |
| 232 | return(0); |
| 233 | } |