input 测试工具2 mi 监听多个input

hyh@hyh-OptiPlex-9020:~/workspace/test/test_app_ts/app/ts$ cat input_arg.c 
#include <stdio.h>
#include <poll.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdlib.h>
#include <linux/input.h>

#define ARG 0
#if ARG
    static struct input_event event;
    void  check(void);
#else 
    void  check(struct input_event event);
#endif

int main(int argc, char **argv)
{
    int i, ret;

    struct input_event event;

    printf("hyh test in android\n");
    //btn_touch point power home/back/menu
    char *devices[] = {
        "/dev/input/event1", 
        "/dev/input/event2", 
        "/dev/input/event3", //power
        "/dev/input/event4", 
        "/dev/input/event5", 
    };

    struct pollfd fdsets[sizeof(devices)/sizeof(devices[0])];

    for(i = 0; i < sizeof(devices)/sizeof(devices[0]); i++){
        fdsets[i].fd = open(devices[i], O_RDONLY);
        if(fdsets[i].fd < 0){
            perror("open");
            exit(1);
        }
        fdsets[i].events = POLLIN;
    }        

    for(;;){
        //printf("bf poll\n");
        ret = poll(fdsets,sizeof(devices)/sizeof(devices[0]), -1);
        if(ret < 0){
            perror("poll");
            exit(1);
        }else{
            for(i = 0; i < sizeof(devices)/sizeof(devices[0]); i++){
                if(fdsets[i].revents & POLLIN){
                    ret = read(fdsets[i].fd, (void *)&event, sizeof(event));
                    if(ret < 0){
                        perror("read");
                        exit(1);
                    }else{
#if ARG
                        check();
#else 
                        check(event);
#endif 

                    }

                }
            }
        }    
    }

    return 0;
}

#if ARG
    void  check(void)
#else 
void  check(struct input_event event)
#endif 
{
    switch(event.type){
        case EV_SYN:
            printf("Event: time %ld.%06ld-------%s-------\n",event.time.tv_sec, event.time.tv_usec,event.code ? "Config Sync" : "Report Sync");
            break;
        case EV_KEY:
            if(event.value){
                printf("Event: time %ld.%06ld ",event.time.tv_sec, event.time.tv_usec);
                printf("KEY: %d press down!...%d\n", event.code,event.value);
            }else{
                printf("Event: time %ld.%06ld ",event.time.tv_sec, event.time.tv_usec);
                printf("KEY: %d release up!...%d\n", event.code,event.value);
            }
            break;
        case EV_ABS:
            if((event.code == ABS_X) || (event.code == ABS_MT_POSITION_X)){
                printf("Event: time %ld.%06ld ",event.time.tv_sec, event.time.tv_usec);
                printf("ABS: x = %d\n", event.value);
            }else if((event.code == ABS_Y) ||  (event.code == ABS_MT_POSITION_Y)){
                printf("Event: time %ld.%06ld ",event.time.tv_sec, event.time.tv_usec);
                printf("ABS: y = %d\n", event.value);
            }
            break;
        case EV_REL:
            if(event.code == REL_X){
                printf("Event: time %ld.%06ld ",event.time.tv_sec, event.time.tv_usec);
                printf("REL: x = %d\n", event.value);
            }else if(event.code == REL_Y){
                printf("Event: time %ld.%06ld ",event.time.tv_sec, event.time.tv_usec);
                printf("REL: y = %d\n", event.value);
            }
            break;
        default:
            break;
    }
}
hyh@hyh-OptiPlex-9020:~/workspace/test/test_app_ts/app/ts$