1 /*
2 // Copyright (c) 2018 Intel Corporation
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 // http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 */
16
17 #include "reset_button.hpp"
18
19 #include "xyz/openbmc_project/Chassis/Buttons/Reset/server.hpp"
20
21 // add the button iface class to registry
22 static ButtonIFRegister<ResetButton> buttonRegister;
23
simPress()24 void ResetButton::simPress()
25 {
26 pressed();
27 }
28
handleEvent(sd_event_source *,int fd,uint32_t)29 void ResetButton::handleEvent(sd_event_source* /* es */, int fd,
30 uint32_t /* revents */)
31 {
32 int n = -1;
33 char buf = '0';
34
35 n = ::lseek(fd, 0, SEEK_SET);
36
37 if (n < 0)
38 {
39 phosphor::logging::log<phosphor::logging::level::ERR>(
40 "RESET_BUTTON: lseek error!");
41
42 return;
43 }
44
45 n = ::read(fd, &buf, sizeof(buf));
46 if (n < 0)
47 {
48 phosphor::logging::log<phosphor::logging::level::ERR>(
49 "RESET_BUTTON: read error!");
50 return;
51 }
52
53 if (buf == '0')
54 {
55 phosphor::logging::log<phosphor::logging::level::DEBUG>(
56 "RESET_BUTTON: pressed");
57 // emit pressed signal
58 pressed();
59 }
60 else
61 {
62 phosphor::logging::log<phosphor::logging::level::DEBUG>(
63 "RESET_BUTTON: released");
64 // released
65 released();
66 }
67
68 return;
69 }
70