378 lines
9.4 KiB
C
378 lines
9.4 KiB
C
/****************************************************************************
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* apps/system/input/input.c
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/param.h>
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#include <unistd.h>
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#include <nuttx/input/buttons.h>
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#include <nuttx/input/keyboard.h>
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#include <nuttx/input/touchscreen.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define DEFATLT_INTERVAL 30
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#define DEFATLT_DISTANCE 10
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#define DELAY_MS(ms) usleep((ms) * 1000)
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#define ABS(a) ((a) > 0 ? (a) : -(a))
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct input_cmd_s
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{
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const char *cmd; /* Command name */
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int (*func)(int argc, char **argv); /* Function corresponding to command */
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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static int input_button(int argc, char **argv);
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static int input_help(int argc, char **argv);
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static int input_keydown(int argc, char **argv);
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static int input_keyup(int argc, char **argv);
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static int input_sleep(int argc, char **argv);
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static void input_utouch_move(int fd, int x, int y, int pendown);
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static int input_utouch_tap(int argc, char **argv);
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static int input_utouch_swipe(int argc, char **argv);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct input_cmd_s g_input_cmd_list[] =
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{
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{"help", input_help },
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{"sleep", input_sleep },
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{"tap", input_utouch_tap },
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{"swipe", input_utouch_swipe},
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{"button", input_button },
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{"keyup", input_keyup },
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{"keydown", input_keydown },
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{NULL, NULL }
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: input_utouch_move
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****************************************************************************/
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static void input_utouch_move(int fd, int x, int y, int pendown)
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{
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struct touch_sample_s sample; /* Sampled touch point data */
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/* Handle the change from pen down to pen up */
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if (pendown != TOUCH_DOWN)
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{
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sample.point[0].flags = TOUCH_UP | TOUCH_ID_VALID;
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}
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else
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{
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sample.point[0].x = x;
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sample.point[0].y = y;
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sample.point[0].pressure = 42;
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sample.point[0].flags = TOUCH_DOWN | TOUCH_ID_VALID |
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TOUCH_POS_VALID | TOUCH_PRESSURE_VALID;
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}
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sample.npoints = 1;
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sample.point[0].h = 1;
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sample.point[0].w = 1;
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write(fd, &sample, sizeof(struct touch_sample_s));
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}
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/****************************************************************************
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* Name: input_sleep
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****************************************************************************/
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static int input_sleep(int argc, char **argv)
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{
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if (argc != 2)
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{
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return -EINVAL;
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}
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DELAY_MS(atoi(argv[1]));
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return 0;
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}
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/****************************************************************************
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* Name: input_utouch_tap
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****************************************************************************/
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static int input_utouch_tap(int argc, char **argv)
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{
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int fd;
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int x;
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int y;
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int interval = DEFATLT_INTERVAL;
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if (argc < 3 || argc > 4)
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{
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return -EINVAL;
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}
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if (argc == 4)
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{
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interval = atoi(argv[3]);
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}
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x = atoi(argv[1]);
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y = atoi(argv[2]);
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fd = open("/dev/utouch", O_WRONLY);
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if (fd < 0)
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{
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return -errno;
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}
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input_utouch_move(fd, x, y, TOUCH_DOWN);
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DELAY_MS(interval);
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input_utouch_move(fd, 0, 0, TOUCH_UP);
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close(fd);
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return 0;
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}
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/****************************************************************************
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* Name: input_utouch_swipe
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****************************************************************************/
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static int input_utouch_swipe(int argc, char **argv)
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{
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int i;
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int fd;
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int x0;
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int x1;
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int y0;
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int y1;
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int count;
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int duration;
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int distance = DEFATLT_DISTANCE;
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int interval = DEFATLT_INTERVAL;
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if (argc < 5 || argc > 7)
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{
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return -EINVAL;
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}
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x0 = atoi(argv[1]);
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x1 = atoi(argv[3]);
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y0 = atoi(argv[2]);
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y1 = atoi(argv[4]);
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fd = open("/dev/utouch", O_WRONLY);
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if (fd < 0)
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{
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return -errno;
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}
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/* Number of times to calculate reports */
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if (argc >= 5)
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{
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duration = atoi(argv[5]);
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}
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if (argc >= 6)
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{
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distance = atoi(argv[6]);
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distance = distance == 0 ? DEFATLT_DISTANCE : distance;
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}
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count = MAX(ABS(x0 - x1), ABS(y0 - y1)) / distance;
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interval = duration == 0 ? DEFATLT_INTERVAL : duration / count;
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for (i = 0; i <= count; i++)
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{
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int x = x0 + (x1 - x0) / count * i;
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int y = y0 + (y1 - y0) / count * i;
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input_utouch_move(fd, x, y, TOUCH_DOWN);
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DELAY_MS(interval);
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}
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input_utouch_move(fd, 0, 0, TOUCH_UP);
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close(fd);
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return 0;
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}
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static int input_button(int argc, char **argv)
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{
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int fd;
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btn_buttonset_t button;
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if (argc != 2)
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{
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return -EINVAL;
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}
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button = strtoul(argv[1], NULL, 0);
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fd = open("/dev/ubutton", O_WRONLY);
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if (fd < 0)
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{
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return -errno;
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}
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write(fd, &button, sizeof(button));
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close(fd);
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return 0;
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}
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/****************************************************************************
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* Name: input_keyup
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****************************************************************************/
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static int input_keyup(int argc, char **argv)
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{
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int fd;
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struct keyboard_event_s key;
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if (argc != 2 || argv[1] == NULL)
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{
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return -EINVAL;
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}
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fd = open("/dev/ukeyboard", O_WRONLY);
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if (fd < 0)
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{
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return -errno;
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}
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key.code = strtoul(argv[1], NULL, 0);
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key.type = KEYBOARD_RELEASE;
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write(fd, &key, sizeof(struct keyboard_event_s));
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close(fd);
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return 0;
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}
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/****************************************************************************
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* Name: input_keydown
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****************************************************************************/
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static int input_keydown(int argc, char **argv)
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{
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int fd;
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struct keyboard_event_s key;
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if (argc != 2 || argv[1] == NULL)
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{
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return -EINVAL;
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}
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fd = open("/dev/ukeyboard", O_WRONLY);
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if (fd < 0)
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{
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return -errno;
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}
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key.code = strtoul(argv[1], NULL, 0);
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key.type = KEYBOARD_PRESS;
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write(fd, &key, sizeof(struct keyboard_event_s));
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close(fd);
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return 0;
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}
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/****************************************************************************
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* Name: intput_help
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****************************************************************************/
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static int input_help(int argc, char **argv)
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{
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printf("Usage: input <command> [<arg>...]\n");
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printf("The commands and default sources are:\n"
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"\thelp\n"
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"\tsleep <time(ms)>\n"
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"\ttap <x> <y> [interval(ms)]\n"
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"\tswipe <x1> <y1> <x2> <y2> [duration(ms)] [distance(pix)]\n"
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"\tbutton <buttonvalue>\n"
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"\tkeyup: <keycode>, input keyup 0x61\n"
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"\tkeydown: <keycode>, input keydown 0x61\n"
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"\tinterval: Time interval between two reports of sample\n"
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"\tduration: Duration of sliding\n"
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"\tdistance: Report the pixel distance of the sample twice\n"
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"\tbuttonvalue: button value in hex format\n"
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"\tkeycode: x11 key code, hexadecimal format\n"
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);
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return 0;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: input_main
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*
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* Description:
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* Main entry point for the serial terminal example.
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*
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****************************************************************************/
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int main(int argc, char **argv)
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{
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int i;
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int ret = -EINVAL;
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if (argv[1] == NULL)
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{
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goto errout;
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}
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for (i = 0; g_input_cmd_list[i].cmd != NULL; i++)
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{
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/* Matching the function corresponding to the command */
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if (strcmp(g_input_cmd_list[i].cmd, argv[1]) == 0)
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{
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ret = g_input_cmd_list[i].func(argc - 1, &argv[1]);
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break;
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}
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}
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errout:
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if (ret != 0)
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{
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input_help(argc, argv);
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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