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add: 05_Input/app*

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weidongshan
2021-03-24 11:54:43 +08:00
parent 48359a611e
commit 2474fed3df
33 changed files with 1587 additions and 1 deletions
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88
STM32MP157/source/A7/05_Input/01_input_app/01_app_demo/01_get_input_info.c Normal file
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#include <linux/input.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>
/* ./01_get_input_info /dev/input/event0 */
int main(int argc, char **argv)
{
int fd;
int err;
int len;
int i;
unsigned char byte;
int bit;
struct input_id id;
unsigned int evbit[2];
char *ev_names[] = {
"EV_SYN ",
"EV_KEY ",
"EV_REL ",
"EV_ABS ",
"EV_MSC ",
"EV_SW ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"EV_LED ",
"EV_SND ",
"NULL ",
"EV_REP ",
"EV_FF ",
"EV_PWR ",
};
if (argc != 2)
{
printf("Usage: %s <dev>\n", argv[0]);
return -1;
}
fd = open(argv[1], O_RDWR);
if (fd < 0)
{
printf("open %s err\n", argv[1]);
return -1;
}
err = ioctl(fd, EVIOCGID, &id);
if (err == 0)
{
printf("bustype = 0x%x\n", id.bustype );
printf("vendor = 0x%x\n", id.vendor );
printf("product = 0x%x\n", id.product );
printf("version = 0x%x\n", id.version );
}
len = ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), &evbit);
if (len > 0 && len <= sizeof(evbit))
{
printf("support ev type: ");
for (i = 0; i < len; i++)
{
byte = ((unsigned char *)evbit)[i];
for (bit = 0; bit < 8; bit++)
{
if (byte & (1<<bit)) {
printf("%s ", ev_names[i*8 + bit]);
}
}
}
printf("\n");
}
return 0;
}

112
STM32MP157/source/A7/05_Input/01_input_app/01_app_demo/02_input_read.c Normal file
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#include <linux/input.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
/* ./01_get_input_info /dev/input/event0 noblock */
int main(int argc, char **argv)
{
int fd;
int err;
int len;
int i;
unsigned char byte;
int bit;
struct input_id id;
unsigned int evbit[2];
struct input_event event;
char *ev_names[] = {
"EV_SYN ",
"EV_KEY ",
"EV_REL ",
"EV_ABS ",
"EV_MSC ",
"EV_SW ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"EV_LED ",
"EV_SND ",
"NULL ",
"EV_REP ",
"EV_FF ",
"EV_PWR ",
};
if (argc < 2)
{
printf("Usage: %s <dev> [noblock]\n", argv[0]);
return -1;
}
if (argc == 3 && !strcmp(argv[2], "noblock"))
{
fd = open(argv[1], O_RDWR | O_NONBLOCK);
}
else
{
fd = open(argv[1], O_RDWR);
}
if (fd < 0)
{
printf("open %s err\n", argv[1]);
return -1;
}
err = ioctl(fd, EVIOCGID, &id);
if (err == 0)
{
printf("bustype = 0x%x\n", id.bustype );
printf("vendor = 0x%x\n", id.vendor );
printf("product = 0x%x\n", id.product );
printf("version = 0x%x\n", id.version );
}
len = ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), &evbit);
if (len > 0 && len <= sizeof(evbit))
{
printf("support ev type: ");
for (i = 0; i < len; i++)
{
byte = ((unsigned char *)evbit)[i];
for (bit = 0; bit < 8; bit++)
{
if (byte & (1<<bit)) {
printf("%s ", ev_names[i*8 + bit]);
}
}
}
printf("\n");
}
while (1)
{
len = read(fd, &event, sizeof(event));
if (len == sizeof(event))
{
printf("get event: type = 0x%x, code = 0x%x, value = 0x%x\n", event.type, event.code, event.value);
}
else
{
printf("read err %d\n", len);
}
}
return 0;
}

122
STM32MP157/source/A7/05_Input/01_input_app/01_app_demo/03_input_read_poll.c Normal file
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#include <linux/input.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <poll.h>
/* ./01_get_input_info /dev/input/event0 */
int main(int argc, char **argv)
{
int fd;
int err;
int len;
int ret;
int i;
unsigned char byte;
int bit;
struct input_id id;
unsigned int evbit[2];
struct input_event event;
struct pollfd fds[1];
nfds_t nfds = 1;
char *ev_names[] = {
"EV_SYN ",
"EV_KEY ",
"EV_REL ",
"EV_ABS ",
"EV_MSC ",
"EV_SW ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"EV_LED ",
"EV_SND ",
"NULL ",
"EV_REP ",
"EV_FF ",
"EV_PWR ",
};
if (argc != 2)
{
printf("Usage: %s <dev>\n", argv[0]);
return -1;
}
fd = open(argv[1], O_RDWR | O_NONBLOCK);
if (fd < 0)
{
printf("open %s err\n", argv[1]);
return -1;
}
err = ioctl(fd, EVIOCGID, &id);
if (err == 0)
{
printf("bustype = 0x%x\n", id.bustype );
printf("vendor = 0x%x\n", id.vendor );
printf("product = 0x%x\n", id.product );
printf("version = 0x%x\n", id.version );
}
len = ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), &evbit);
if (len > 0 && len <= sizeof(evbit))
{
printf("support ev type: ");
for (i = 0; i < len; i++)
{
byte = ((unsigned char *)evbit)[i];
for (bit = 0; bit < 8; bit++)
{
if (byte & (1<<bit)) {
printf("%s ", ev_names[i*8 + bit]);
}
}
}
printf("\n");
}
while (1)
{
fds[0].fd = fd;
fds[0].events = POLLIN;
fds[0].revents = 0;
ret = poll(fds, nfds, 5000);
if (ret > 0)
{
if (fds[0].revents == POLLIN)
{
while (read(fd, &event, sizeof(event)) == sizeof(event))
{
printf("get event: type = 0x%x, code = 0x%x, value = 0x%x\n", event.type, event.code, event.value);
}
}
}
else if (ret == 0)
{
printf("time out\n");
}
else
{
printf("poll err\n");
}
}
return 0;
}

138
STM32MP157/source/A7/05_Input/01_input_app/01_app_demo/04_input_read_select.c Normal file
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#include <linux/input.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/select.h>
/* According to earlier standards */
#include <sys/time.h>
/* ./01_get_input_info /dev/input/event0 */
int main(int argc, char **argv)
{
int fd;
int err;
int len;
int ret;
int i;
unsigned char byte;
int bit;
struct input_id id;
unsigned int evbit[2];
struct input_event event;
int nfds;
struct timeval tv;
fd_set readfds;
char *ev_names[] = {
"EV_SYN ",
"EV_KEY ",
"EV_REL ",
"EV_ABS ",
"EV_MSC ",
"EV_SW ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"EV_LED ",
"EV_SND ",
"NULL ",
"EV_REP ",
"EV_FF ",
"EV_PWR ",
};
if (argc != 2)
{
printf("Usage: %s <dev>\n", argv[0]);
return -1;
}
fd = open(argv[1], O_RDWR | O_NONBLOCK);
if (fd < 0)
{
printf("open %s err\n", argv[1]);
return -1;
}
err = ioctl(fd, EVIOCGID, &id);
if (err == 0)
{
printf("bustype = 0x%x\n", id.bustype );
printf("vendor = 0x%x\n", id.vendor );
printf("product = 0x%x\n", id.product );
printf("version = 0x%x\n", id.version );
}
len = ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), &evbit);
if (len > 0 && len <= sizeof(evbit))
{
printf("support ev type: ");
for (i = 0; i < len; i++)
{
byte = ((unsigned char *)evbit)[i];
for (bit = 0; bit < 8; bit++)
{
if (byte & (1<<bit)) {
printf("%s ", ev_names[i*8 + bit]);
}
}
}
printf("\n");
}
while (1)
{
/* 设置超时时间 */
tv.tv_sec = 5;
tv.tv_usec = 0;
/* 想监测哪些文件? */
FD_ZERO(&readfds); /* 先全部清零 */
FD_SET(fd, &readfds); /* 想监测fd */
/* 函数原型为:
int select(int nfds, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, struct timeval *timeout);
* 我们为了"read"而监测, 所以只需要提供readfds
*/
nfds = fd + 1; /* nfds 是最大的文件句柄+1, 注意: 不是文件个数, 这与poll不一样 */
ret = select(nfds, &readfds, NULL, NULL, &tv);
if (ret > 0) /* 有文件可以提供数据了 */
{
/* 再次确认fd有数据 */
if (FD_ISSET(fd, &readfds))
{
while (read(fd, &event, sizeof(event)) == sizeof(event))
{
printf("get event: type = 0x%x, code = 0x%x, value = 0x%x\n", event.type, event.code, event.value);
}
}
}
else if (ret == 0) /* 超时 */
{
printf("time out\n");
}
else /* -1: error */
{
printf("select err\n");
}
}
return 0;
}

123
STM32MP157/source/A7/05_Input/01_input_app/01_app_demo/05_input_read_fasync.c Normal file
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#include <linux/input.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <unistd.h>
int fd;
void my_sig_handler(int sig)
{
struct input_event event;
while (read(fd, &event, sizeof(event)) == sizeof(event))
{
printf("get event: type = 0x%x, code = 0x%x, value = 0x%x\n", event.type, event.code, event.value);
}
}
/* ./05_input_read_fasync /dev/input/event0 */
int main(int argc, char **argv)
{
int err;
int len;
int ret;
int i;
unsigned char byte;
int bit;
struct input_id id;
unsigned int evbit[2];
unsigned int flags;
int count = 0;
char *ev_names[] = {
"EV_SYN ",
"EV_KEY ",
"EV_REL ",
"EV_ABS ",
"EV_MSC ",
"EV_SW ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"NULL ",
"EV_LED ",
"EV_SND ",
"NULL ",
"EV_REP ",
"EV_FF ",
"EV_PWR ",
};
if (argc != 2)
{
printf("Usage: %s <dev>\n", argv[0]);
return -1;
}
/* 注册信号处理函数 */
signal(SIGIO, my_sig_handler);
/* 打开驱动程序 */
fd = open(argv[1], O_RDWR | O_NONBLOCK);
if (fd < 0)
{
printf("open %s err\n", argv[1]);
return -1;
}
err = ioctl(fd, EVIOCGID, &id);
if (err == 0)
{
printf("bustype = 0x%x\n", id.bustype );
printf("vendor = 0x%x\n", id.vendor );
printf("product = 0x%x\n", id.product );
printf("version = 0x%x\n", id.version );
}
len = ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), &evbit);
if (len > 0 && len <= sizeof(evbit))
{
printf("support ev type: ");
for (i = 0; i < len; i++)
{
byte = ((unsigned char *)evbit)[i];
for (bit = 0; bit < 8; bit++)
{
if (byte & (1<<bit)) {
printf("%s ", ev_names[i*8 + bit]);
}
}
}
printf("\n");
}
/* 把APP的进程号告诉驱动程序 */
fcntl(fd, F_SETOWN, getpid());
/* 使能"异步通知" */
flags = fcntl(fd, F_GETFL);
fcntl(fd, F_SETFL, flags | FASYNC);
while (1)
{
printf("main loop count = %d\n", count++);
sleep(2);
}
return 0;
}

115
STM32MP157/source/A7/05_Input/01_input_app/02_tslib/mt_cal_distance.c Normal file
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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <getopt.h>
#include <linux/input.h>
#include <sys/ioctl.h>
#include <tslib.h>
int distance(struct ts_sample_mt *point1, struct ts_sample_mt *point2)
{
int x = point1->x - point2->x;
int y = point1->y - point2->y;
return x*x + y*y;
}
int main(int argc, char **argv)
{
struct tsdev *ts;
int i;
int ret;
struct ts_sample_mt **samp_mt;
struct ts_sample_mt **pre_samp_mt;
int max_slots;
int point_pressed[20];
struct input_absinfo slot;
int touch_cnt = 0;
ts = ts_setup(NULL, 0);
if (!ts)
{
printf("ts_setup err\n");
return -1;
}
if (ioctl(ts_fd(ts), EVIOCGABS(ABS_MT_SLOT), &slot) < 0) {
perror("ioctl EVIOGABS");
ts_close(ts);
return errno;
}
max_slots = slot.maximum + 1 - slot.minimum;
samp_mt = malloc(sizeof(struct ts_sample_mt *));
if (!samp_mt) {
ts_close(ts);
return -ENOMEM;
}
samp_mt[0] = calloc(max_slots, sizeof(struct ts_sample_mt));
if (!samp_mt[0]) {
free(samp_mt);
ts_close(ts);
return -ENOMEM;
}
pre_samp_mt = malloc(sizeof(struct ts_sample_mt *));
if (!pre_samp_mt) {
ts_close(ts);
return -ENOMEM;
}
pre_samp_mt[0] = calloc(max_slots, sizeof(struct ts_sample_mt));
if (!pre_samp_mt[0]) {
free(pre_samp_mt);
ts_close(ts);
return -ENOMEM;
}
for ( i = 0; i < max_slots; i++)
pre_samp_mt[0][i].valid = 0;
while (1)
{
ret = ts_read_mt(ts, samp_mt, max_slots, 1);
if (ret < 0) {
printf("ts_read_mt err\n");
ts_close(ts);
return -1;
}
for (i = 0; i < max_slots; i++)
{
if (samp_mt[0][i].valid)
{
memcpy(&pre_samp_mt[0][i], &samp_mt[0][i], sizeof(struct ts_sample_mt));
}
}
touch_cnt = 0;
for (i = 0; i < max_slots; i++)
{
if (pre_samp_mt[0][i].valid && pre_samp_mt[0][i].tracking_id != -1)
point_pressed[touch_cnt++] = i;
}
if (touch_cnt == 2)
{
printf("distance: %08d\n", distance(&pre_samp_mt[0][point_pressed[0]], &pre_samp_mt[0][point_pressed[1]]));
}
}
return 0;
}

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STM32MP157/source/A7/05_Input/01_input_app/02_tslib/tslib-1.21.tar.xz Normal file
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