1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
// Copyright 2021 The Pigweed Authors
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
#include <array>
#include <optional>
#include "gtest/gtest.h"
#include "pw_spi/chip_selector.h"
#include "pw_spi/device.h"
#include "pw_spi/initiator.h"
#include "pw_status/status.h"
#include "pw_sync/borrow.h"
#include "pw_sync/mutex.h"
namespace pw::spi {
namespace {
const pw::spi::Config kConfig = {.polarity = ClockPolarity::kActiveHigh,
.phase = ClockPhase::kFallingEdge,
.bits_per_word = BitsPerWord(8),
.bit_order = BitOrder::kMsbFirst};
class SpiTestDevice : public ::testing::Test {
public:
SpiTestDevice()
: initiator_(),
chip_selector_(),
initiator_lock_(),
borrowable_initiator_(initiator_, initiator_lock_),
device_(borrowable_initiator_, kConfig, chip_selector_) {}
private:
// Stub SPI Initiator/ChipSelect objects, used to exercise public API surface.
class TestInitiator : public Initiator {
public:
Status Configure(const Config& /*config */) override { return OkStatus(); };
Status WriteRead(ConstByteSpan /* write_buffer */,
ByteSpan /* read_buffer */) override {
return OkStatus();
};
};
class TestChipSelector : public ChipSelector {
public:
Status SetActive(bool /*active*/) override { return OkStatus(); }
};
TestInitiator initiator_;
TestChipSelector chip_selector_;
sync::VirtualMutex initiator_lock_;
sync::Borrowable<Initiator> borrowable_initiator_;
Device device_;
};
// Simple test ensuring the SPI HAL compiles
TEST_F(SpiTestDevice, CompilationSucceeds) {
// arrange
// act
// assert
EXPECT_TRUE(true);
}
} // namespace
} // namespace pw::spi
|
