FreeCalypso > hg > freecalypso-sw

annotate loadtools/gtapower.c @ 871:a5c8f48003cd

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rvinterf: client programs can now selectively stop receiving packets of a particular RVTMUX type
author Space Falcon <falcon@ivan.Harhan.ORG>
date Fri, 29 May 2015 06:29:38 +0000
parents ccc5161848c7
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
84
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 * This module is included only when loadtools are being built to run on the
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 * GTA0x application processor (AP). It provides automated modem power
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 * control, i.e., coordinates modem power control with loadtools operations
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5 * for convenience.
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 */
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #include <sys/types.h>
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 #include <sys/file.h>
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 #include <stdio.h>
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 #include <stdlib.h>
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 #include <unistd.h>
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 /*
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 * Check this pathname: it is correct for the kernel version I'm using
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 * on my test GTA02, but it differs for some other kernel versions.
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17 */
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 static char modem_powerctl_pathname[] =
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 "/sys/bus/platform/devices/gta02-pm-gsm.0/power_on";
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 void
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 set_gta_modem_power_ctrl(boolval)
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 {
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 char strbuf[16];
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 int len, fd;
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 len = sprintf(strbuf, "%d\n", boolval);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 fd = open(modem_powerctl_pathname, O_WRONLY);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 if (fd < 0) {
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 perror(modem_powerctl_pathname);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 exit(1);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 }
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 write(fd, strbuf, len);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 close(fd);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 }
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 void
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 fork_gta_modem_poweron()
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 {
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
40 int i;
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
41
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
42 i = fork();
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
43 if (i < 0) {
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
44 perror("fork");
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
45 exit(1);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
46 }
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
47 if (i)
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
48 return;
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
49 printf("Toggling %s\n", modem_powerctl_pathname);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
50 set_gta_modem_power_ctrl(0);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
51 usleep(350000);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
52 set_gta_modem_power_ctrl(1);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
53 exit(0);
ccc5161848c7 loadtools: support building for GTA0x AP
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
54 }