1 // Copyright 2024 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 #define PW_LOG_MODULE_NAME "IO"
16 #include "pw_digital_io/digital_io_mock.h"
17
18 #include "pw_log/log.h"
19
20 namespace pw::digital_io {
21
DigitalInOutMockImpl(Clock & clock,pw::InlineDeque<Event> & events)22 DigitalInOutMockImpl::DigitalInOutMockImpl(Clock& clock,
23 pw::InlineDeque<Event>& events)
24 : clock_(clock), events_(events) {}
25
DoGetState()26 pw::Result<DigitalInOutMockImpl::State> DigitalInOutMockImpl::DoGetState() {
27 return events_.back().state;
28 }
29
DoSetState(State state)30 pw::Status DigitalInOutMockImpl::DoSetState(State state) {
31 if (events_.full()) {
32 events_.pop_front();
33 }
34 // Log the LED state instead of toggling a physical LED. On host, there is no
35 // LED to blink, so this is a portable alternative.
36 switch (state) {
37 case State::kInactive:
38 PW_LOG_INFO("[ ]");
39 break;
40 case State::kActive:
41 PW_LOG_INFO("[*]");
42 break;
43 }
44 events_.push_back({clock_.now(), state});
45 return pw::OkStatus();
46 }
47
48 } // namespace pw::digital_io