1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdio.h> 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdlib.h> 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <string.h> 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdint.h> 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <fcntl.h> 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <sys/ioctl.h> 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project//#include <linux/input.h> // this does not compile 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <errno.h> 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project// from <linux/input.h> 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct input_event { 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct timeval time; 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project __u16 type; 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project __u16 code; 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project __s32 value; 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGVERSION _IOR('E', 0x01, int) /* get driver version */ 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGID _IOR('E', 0x02, struct input_id) /* get device ID */ 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGKEYCODE _IOR('E', 0x04, int[2]) /* get keycode */ 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCSKEYCODE _IOW('E', 0x04, int[2]) /* set keycode */ 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGNAME(len) _IOC(_IOC_READ, 'E', 0x06, len) /* get device name */ 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGPHYS(len) _IOC(_IOC_READ, 'E', 0x07, len) /* get physical location */ 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGUNIQ(len) _IOC(_IOC_READ, 'E', 0x08, len) /* get unique identifier */ 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGKEY(len) _IOC(_IOC_READ, 'E', 0x18, len) /* get global keystate */ 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGLED(len) _IOC(_IOC_READ, 'E', 0x19, len) /* get all LEDs */ 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGSND(len) _IOC(_IOC_READ, 'E', 0x1a, len) /* get all sounds status */ 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGSW(len) _IOC(_IOC_READ, 'E', 0x1b, len) /* get all switch states */ 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGBIT(ev,len) _IOC(_IOC_READ, 'E', 0x20 + ev, len) /* get event bits */ 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGABS(abs) _IOR('E', 0x40 + abs, struct input_absinfo) /* get abs value/limits */ 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCSABS(abs) _IOW('E', 0xc0 + abs, struct input_absinfo) /* set abs value/limits */ 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCSFF _IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect)) /* send a force effect to a force feedback device */ 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCRMFF _IOW('E', 0x81, int) /* Erase a force effect */ 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGEFFECTS _IOR('E', 0x84, int) /* Report number of effects playable at the same time */ 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EVIOCGRAB _IOW('E', 0x90, int) /* Grab/Release device */ 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project// end <linux/input.h> 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectint sendevent_main(int argc, char *argv[]) 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project{ 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int i; 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int fd; 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int ret; 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project int version; 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project struct input_event event; 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(argc != 5) { 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "use: %s device type code value\n", argv[0]); 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 1; 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fd = open(argv[1], O_RDWR); 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(fd < 0) { 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "could not open %s, %s\n", argv[optind], strerror(errno)); 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 1; 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if (ioctl(fd, EVIOCGVERSION, &version)) { 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "could not get driver version for %s, %s\n", argv[optind], strerror(errno)); 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 1; 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project memset(&event, 0, sizeof(event)); 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project event.type = atoi(argv[2]); 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project event.code = atoi(argv[3]); 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project event.value = atoi(argv[4]); 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project ret = write(fd, &event, sizeof(event)); 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project if(ret < sizeof(event)) { 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project fprintf(stderr, "write event failed, %s\n", strerror(errno)); 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return -1; 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project } 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project return 0; 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project} 81