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#include <fcntl.h>
#include <linux/input.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <unistd.h>
static int eventFd = -1;
static FILE* pfile;
struct input_event ev0[64];
static int screenWidth = 0;
static int screenHeight = 0;
extern char* getTouchScreenInfo();
static int handle_event()
{
int i, rd;
char str[256];
float x = 0, y = 0;
rd = read(eventFd, ev0, sizeof(struct input_event)* 64);
if(rd < sizeof(struct input_event))
return 0;
for(i=0;i<rd/sizeof(struct input_event); i++)
{
memset(str, 0, sizeof(str));
if(ev0[i].type == 3)
{
if(ev0[i].code == 53 || ev0[i].code == 0)
{//screen widthに対して変換
x = (float)ev0[i].value / screenWidth;
sprintf(str, "%2d\t%ld\t%ld\t%3hu\t%3hu\t%f\r\n",
i, ev0[i].time.tv_sec, ev0[i].time.tv_usec, ev0[i].type, ev0[i].code, x);
}
else if(ev0[i].code == 54 || ev0[i].code == 1)
{//screen heightに対して変換
y = (float)ev0[i].value / screenHeight;
sprintf(str, "%2d\t%ld\t%ld\t%3hu\t%3hu\t%f\r\n",
i, ev0[i].time.tv_sec, ev0[i].time.tv_usec, ev0[i].type, ev0[i].code, y);
}
else
{
sprintf(str, "%2d\t%ld\t%ld\t%3hu\t%3hu\t%d\r\n", i, ev0[i].time.tv_sec, ev0[i].time.tv_usec, ev0[i].type, ev0[i].code, ev0[i].value);
}
}
else
{
sprintf(str, "%2d\t%ld\t%ld\t%3hu\t%3hu\t%d\r\n", i, ev0[i].time.tv_sec, ev0[i].time.tv_usec, ev0[i].type, ev0[i].code, ev0[i].value);
}
fputs(str, pfile);
}
fflush(pfile);
return 1;
}
void printUsage(char* myName)
{
printf("usage:\n \
%s -f <string>\n \
-f : file name for recording event\n", myName);
}
int main(int argc,char *argv[])
{
int done = 1;
int index = 0;
char* fName = NULL;
char eventNode[50];
const char* tsInfo;
if (argc < 3)
{
printUsage(argv[0]);
return -1;
}
for (index = 1; index < argc; index++)
{
if (strcmp(argv[index], "-f") == 0)
{
fName = argv[++index];
}
else
{
printUsage(argv[0]);
return -1;
}
}
tsInfo = getTouchScreenInfo();
if (NULL == tsInfo) {
printf("Failed to get touch screen info.\n");
return -1;
}
memset(eventNode, 0, sizeof(eventNode));
sscanf(tsInfo, "%s %d %d", eventNode, &screenWidth, &screenHeight);
eventFd = open(eventNode, 02);
if(eventFd <0) {
printf("open input device error\n");
return -1;
}
pfile = fopen(fName, "wb+");
if(pfile == NULL)
{
printf("Failed to create file!\n");
return -1;
}
while (done)
{
printf("begin %s...\n", eventNode);
done = handle_event();
printf("end %s...\n", eventNode);
}
fclose(pfile);
if(eventFd > 0)
{
close(eventFd);
eventFd = -1;
}
return 0;
}
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