annotate libpwon/etmoff.c @ 960:411d1cc14326

sms-pdu-decode family: prepare for SC address becoming optional
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 04 Aug 2023 23:09:12 +0000
parents ab54957dbe35
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
953
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This libpwon module implements -Petmoff mode: set the baud rate to 115200
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * and send out ETM command doing Iota poweroff, triggering a VRPC reboot cycle
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * on the USB-charging phone. The "wakeup shot" logic is a copy of what we do
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * in rvinterf.
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 */
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <sys/types.h>
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <unistd.h>
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 extern int target_fd;
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 static u_char wakeup_shot[64];
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 static u_char etm_devoff_pkt[9] =
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 {0x02, 0x14, 0x01, 0x67, 0x1E, 0x01, 0x00, 0x79, 0x02};
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 void
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 bootctrl_do_etmoff()
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 {
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 set_fixed_baudrate("115200");
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 set_serial_nonblock(0);
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 write(target_fd, wakeup_shot, sizeof wakeup_shot);
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 usleep(100000);
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 write(target_fd, etm_devoff_pkt, sizeof etm_devoff_pkt);
ab54957dbe35 libpwon: implement -Petmoff mode
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 }