Added PTZ support
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wagner.oliveira
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13
README.md
13
README.md
@ -108,6 +108,19 @@ http://user:password@ip:8080/cgi-bin/telneton.cgi
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http://user:password@ip:8080/cgi-bin/telneton.cgi
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```
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#### PTZ Notes (rotatable camera)
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For the rotatable camera I made a basic PTZ control page you can access under:
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```
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http://user:password@ip:8080/ptz.html
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```
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You can send direct commands from other applications to control the motors with this URL:
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```
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http://user:password@ip:8080/cgi-bin/motor.cgi?dir=X&dist=N
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```
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The `dir` parameter defines direction of the motion and should be either `up`, `down`, `left` or `right`
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The `dist` parameter defines how much to move, should be a value between 1 and probably 50 (I recommend 10).
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I put together rather quickly and did not do a lot of testing so try it out and feel free to review the source (motor.c)
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#### Final note
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If you'd like more details about the whole process or have any issues, open an issue in github and we can discuss it further!
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26
mmc/cgi-bin/motor.cgi
Normal file
26
mmc/cgi-bin/motor.cgi
Normal file
@ -0,0 +1,26 @@
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#!/bin/sh
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echo -e "Content-type: text/plain\r"
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echo -e "\r"
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echo ${REQUEST_URI}
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TMP=${REQUEST_URI#*dist=};
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DIST=${TMP%&*}
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TMP=${REQUEST_URI#*dir=};
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DIR=${TMP%&*}
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PID=$(pgrep anyka_ipc)
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echo DIST=$DIST DIR=$DIR PID=$PID
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if [ "$DIR" == "up" ] || [ "$DIR" == "down" ]; then
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ADDR=431684
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else
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ADDR=431614
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fi
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if [ "$DIR" == "down" ] || [ "$DIR" == "left" ]; then
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VAL=ffa60000
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else
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VAL=5b0000
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fi
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if [ "$PID" != "" ] && [ "$DIR" != "" ]; then
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/tmp/sd/motor $PID $ADDR 40046d40 $VAL $DIST 2>/dev/null
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fi
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59
mmc/ptz.html
Normal file
59
mmc/ptz.html
Normal file
@ -0,0 +1,59 @@
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<html>
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<body>
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<style>
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.hide { position:absolute; top:-1px; left:-1px; width:1px; height:1px; }
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</style>
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<iframe name="hiddenFrame" class="hide"></iframe>
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<style type="text/css">
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.tg {border-collapse:collapse;border-spacing:0;}
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.tg td{border-color:black;border-style:solid;border-width:0px;font-family:Arial, sans-serif;font-size:14px;
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overflow:hidden;padding:10px 5px;word-break:normal;}
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.tg th{border-color:black;border-style:solid;border-width:0px;font-family:Arial, sans-serif;font-size:14px;
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font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}
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.tg .tg-0lax{text-align:left;vertical-align:top}
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</style>
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<table class="tg">
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<thead>
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<tr>
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<th class="tg-0lax"></th>
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<th class="tg-0lax"><center>
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<form action="/cgi-bin/motor.cgi" method="get" target="hiddenFrame">
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<input type="hidden" name="dist" value="10">
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<button type="submit" value="up" name="dir">Up</button>
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</form>
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</center></th>
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<th class="tg-0lax"></th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td class="tg-0lax">
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<form action="/cgi-bin/motor.cgi" method="get" target="hiddenFrame">
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<input type="hidden" name="dist" value="10">
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<button type="submit" value="left" name="dir">Left</button>
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</form>
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</td>
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<td class="tg-0lax"></td>
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<td class="tg-0lax">
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<form action="/cgi-bin/motor.cgi" method="get" target="hiddenFrame">
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<input type="hidden" name="dist" value="10">
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<button type="submit" value="right" name="dir">Right</button>
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</form>
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</td>
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</tr>
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<tr>
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<td class="tg-0lax"></td>
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<td class="tg-0lax">
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<form action="/cgi-bin/motor.cgi" method="get" target="hiddenFrame">
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<input type="hidden" name="dist" value="10">
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<button type="submit" value="down" name="dir">Down</button>
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</form>
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</td>
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<td class="tg-0lax"></td>
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</tr>
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</tbody>
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</table>
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</body>
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</html>
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63
motor.c
Normal file
63
motor.c
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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/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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int fd;
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int main(int ac, char *av[])
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{
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// Show usage
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if(ac < 5) {
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fprintf(stderr, "usage: %s PID motoraddress iocmd value [count]\n", av[0]);
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exit(1);
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}
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// Set memory path
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char mem_path[64];
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snprintf(mem_path, sizeof(mem_path), "/proc/%s/mem", av[1]);
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// Open memory of process
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if((fd = open(mem_path, O_RDONLY)) < 0) {
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fprintf(stderr, "Can't access %s\n", av[1]);
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perror(":");
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exit(1);
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}
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// Get params
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ulong mtrfdaddr = strtoul(av[2], 0, 16);
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ulong iocmd = strtoul(av[3], 0, 16);
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ulong value = strtoul(av[4], 0, 16);
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ulong count = 1;
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if(ac >= 6)
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count = strtoul(av[5], 0, 10);
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// Read motor file descriptor value
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lseek(fd, mtrfdaddr, SEEK_SET);
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ulong mtrfd = 0;
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read(fd, &mtrfd, 4);
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// Feedback
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fprintf(stderr, "mtrfdaddr=%x mtrfd=%x val=%x\n", mtrfdaddr, mtrfd, value);
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// Send command if we have a valid descriptor
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if(mtrfd!=0) {
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char fd_path[64];
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snprintf(fd_path, sizeof(fd_path), "/proc/%s/fd/%d", av[1], mtrfd);
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int new_fd = open(fd_path, O_RDWR);
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fprintf(stderr, "fd_path=%s new_fd=%d\n", fd_path, new_fd);
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int ret = 0;
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while(count-- > 0) {
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ret = ioctl(new_fd, iocmd, (int32_t*) &value);
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usleep(10000);
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fprintf(stderr, "count=%d\n", count);
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}
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fprintf(stderr, "ret=%x\n", ret);
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close(new_fd);
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}
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exit(0);
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}
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