245 lines
8.4 KiB
C
245 lines
8.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <linux/input.h>
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#include <sys/time.h>
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#include <linux/input.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <pthread.h>
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#include "keyboard.h"
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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#include <arpa/inet.h>
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#include <netdb.h>
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#include "confile.h"
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#include "Util.h"
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#define KEY_EVENT_DEV0_NAME "/dev/input/event0" //event0
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// 长按阈值（毫秒）
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#define LONG_PRESS_THRESHOLD 1000
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// 屏幕坐标范围定义
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#define SCREEN_WIDTH 4096
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#define SCREEN_HEIGHT 4096
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#define DEFAULT_MD_LEN 4096
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static pthread_t pkts_thread;
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int socket_descriptor;
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struct sockaddr_in address;
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int *switch_mode;
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//int switch_video;
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unsigned char key_value;
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typedef struct {
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int min_x;
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int max_x;
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int min_y;
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int max_y;
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} TouchArea;
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// 触摸区域定义
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static const TouchArea AREA1 = {1024, 2048, 0, 682}; //ahd1 7
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static const TouchArea AREA2 = {2048, 3072, 0, 682}; //ahd2 8
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static const TouchArea AREA3 = {1024, 3072, 683, 2578}; //sdi1 3
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static const TouchArea AREA4 = {0, 1024, 1800, 4096};//sdi2 4
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static const TouchArea AREA5 = {3072, 4096, 180, 4096};//sdi3 5
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static const TouchArea AREA6 = {1024, 3072, 2580, 4096};//sdi4 6
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static const TouchArea AREA3_2 = {1024, 3072, 2275, 4096}; //sdi1 3
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static const TouchArea AREA4_2 = {3072, 4096, 2276, 4096};//sdi2 4
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static const TouchArea AREA5_2 = {0, 1024, 2276, 4096};//sdi3 5
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static const TouchArea AREA6_2 = {1024, 3072, 0, 2274};//sdi4 6
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static const TouchArea FULL_SCREEN = {0, SCREEN_WIDTH, 0, SCREEN_HEIGHT};
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/**
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* 检查坐标是否在指定区域内
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*/
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static int is_point_in_area(int x, int y, const TouchArea *area) {
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return (x >= area->min_x && x < area->max_x &&
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y >= area->min_y && y < area->max_y);
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}
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int *switch_memory_open(void) {
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char buf[128];
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int fd;
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sprintf(buf, "/video_switch");
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fd = shm_open(buf, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR);
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if(fd < 0) { perror("shm_open"); exit(1); }
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if (ftruncate(fd, 4096) == -1) { perror("ftruncate"); exit(1); }
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int *retval = mmap(NULL, 4096, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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return retval;
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}
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void* pkts_worker(void *arg)
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{
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printf("pkts_worker...\n");
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int anjian_switch=0;
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uint32_t ulOld;
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int read_key;
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void* pMem = NULL;
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while(1)
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{
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//anjian_switch =count;
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//if(anjian_switch ==(switch_video+1)){
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// anjian_switch =1;
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//}
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anjian_switch = switch_mode[0];
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//printf("-------------%x\n",anjian_switch);
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sendto(socket_descriptor,&anjian_switch,4,0,(struct sockaddr *)&address,sizeof(address));
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usleep(500000);
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}
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}
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int main(int argc, char **argv) {
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int fd;
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struct input_event touch_event = {0};
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int len,count,port;
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pthread_attr_t attr;
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long press_sec = 0, press_usec = 0; // 按下时间戳
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int x_coord = 0, y_coord = 0; // 触摸坐标
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int is_press = 0; // 触摸按下标记
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bzero(&address,sizeof(address));
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address.sin_family=AF_INET;
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address.sin_addr.s_addr=inet_addr(argv[1]);
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port = atoi(argv[2]);
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address.sin_port=htons(port);
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socket_descriptor=socket(AF_INET,SOCK_DGRAM,0);//IPV4
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// 打开触摸屏设备节点
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fd = open(KEY_EVENT_DEV0_NAME, O_RDONLY);
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if (fd < 0) {
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perror("open /dev/input/event0 device(touch) error! ---\n");
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return -1;
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}
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
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len = pthread_create(&pkts_thread, &attr, pkts_worker, NULL);
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pthread_attr_destroy(&attr);
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switch_mode = switch_memory_open();
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switch_mode[0] = 1;
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count = switch_mode[0];
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printf("switch %d \n",switch_mode[0]);
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while (1) {
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// 读取1个input_event（16字节），阻塞等待触摸事件
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ssize_t len = read(fd, &touch_event,sizeof(struct input_event));
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count=switch_mode[0];
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if (len != sizeof(struct input_event)) {
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perror("读取事件失败");
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close(fd);
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return -1;
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}else{
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//提取坐标（EV_ABS）
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if (touch_event.type == EV_ABS) {
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if (touch_event.code == ABS_X) {
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x_coord = touch_event.value; // X轴坐标（无需转小端，内核已处理）
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} else if (touch_event.code == ABS_Y) {
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y_coord = touch_event.value; // Y轴坐标
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}
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//printf("判定 | 坐标：X=%d, Y=%d\n", x_coord, y_coord);
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}
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// 解析触摸按下/松开（EV_KEY + BTN_TOUCH）
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else if (touch_event.type == EV_KEY && touch_event.code == BTN_TOUCH) {
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//printf("长按判定 | 坐标：X=%d, Y=%d\n", x_coord, y_coord);
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// 触摸按下
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if (touch_event.value == 1){ //记录按下时间（秒）
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press_sec = touch_event.time.tv_sec;
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press_usec = touch_event.time.tv_usec;
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is_press = 1;
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}
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// 触摸松开（判定长按）
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else if (touch_event.value == 0 && is_press) {
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// 计算时间差（毫秒）
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long diff_sec = touch_event.time.tv_sec - press_sec;
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long diff_usec = touch_event.time.tv_usec - press_usec;
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long diff_ms = diff_sec * 1000 + diff_usec / 1000; //毫秒
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// 判定长按/短按
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if (diff_ms >= LONG_PRESS_THRESHOLD) {
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//printf("长按判定 | 持续%ldms | 坐标：X=%d, Y=%d\n", diff_ms, x_coord, y_coord);
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if(switch_mode[0]==1 ){
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if(is_point_in_area(x_coord, y_coord, &AREA1)){
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switch_mode[0]=7;
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}else if(is_point_in_area(x_coord, y_coord, &AREA2)){
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switch_mode[0]=8;
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}else if(is_point_in_area(x_coord, y_coord, &AREA3)){
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switch_mode[0]=3;
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}else if(is_point_in_area(x_coord, y_coord, &AREA4)){
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switch_mode[0]=4;
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}else if(is_point_in_area(x_coord, y_coord, &AREA5)){
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switch_mode[0]=5;
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}else if(is_point_in_area(x_coord, y_coord, &AREA6)){
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switch_mode[0]=6;
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}
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count = switch_mode[0];
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sendto(socket_descriptor,&count,4,0,(struct sockaddr *)&address,sizeof(address));
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printf("count %x\n",switch_mode[0]);
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}else if(switch_mode[0]==2 ){
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if(is_point_in_area(x_coord, y_coord, &AREA3_2)){
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switch_mode[0]=3;
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}else if(is_point_in_area(x_coord, y_coord, &AREA4_2)){
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switch_mode[0]=4;
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}else if(is_point_in_area(x_coord, y_coord, &AREA5_2)){
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switch_mode[0]=5;
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}else if(is_point_in_area(x_coord, y_coord, &AREA6_2)){
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switch_mode[0]=6;
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}
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count = switch_mode[0];
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sendto(socket_descriptor,&count,4,0,(struct sockaddr *)&address,sizeof(address));
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printf("switch_mode[0] %x\n",switch_mode[0]);
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}else{
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//else if(switch_mode[0]==3 ||switch_mode[0]==4 ||switch_mode[0]==5||switch_mode[0]==6||switch_mode[0]==7||switch_mode[0]==8 ){
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if(is_point_in_area(x_coord, y_coord, &FULL_SCREEN)){
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switch_mode[0]=1;
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count = switch_mode[0];
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sendto(socket_descriptor,&count,4,0,(struct sockaddr *)&address,sizeof(address));
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printf("switch_mode %x\n",switch_mode[0]);
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}
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}
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} else {
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//printf("短按 | 持续%ldms | 坐标：X=%d, Y=%d\n", diff_ms, x_coord, y_coord);
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}
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// 重置状态
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is_press = 0;
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x_coord = 0;
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y_coord = 0;
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}
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}
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}
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// 同步事件（EV_SYN，无实际值，仅标记一组事件结束）
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//else if (key_event.type == EV_SYN) {
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//}
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}
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close(fd);
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return 0;
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}
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