GCC Code Coverage Report


Directory: src/gate/
File: src/gate/io/cxx_gpiodevices_spi.cpp
Date: 2026-09-21 06:26:40
Exec Total Coverage
Lines: 0 37 0.0%
Functions: 0 12 0.0%
Branches: 0 32 0.0%

Line Branch Exec Source
1 /* GATE PROJECT LICENSE:
2 +----------------------------------------------------------------------------+
3 | Copyright (c) 2018-2026, Stefan Meislinger <sm@opengate.at> |
4 | All rights reserved. |
5 | |
6 | Redistribution and use in source and binary forms, with or without |
7 | modification, are permitted provided that the following conditions are met:|
8 | |
9 | 1. Redistributions of source code must retain the above copyright notice, |
10 | this list of conditions and the following disclaimer. |
11 | 2. Redistributions in binary form must reproduce the above copyright |
12 | notice, this list of conditions and the following disclaimer in the |
13 | documentation and/or other materials provided with the distribution. |
14 | |
15 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"|
16 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 | ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
19 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
20 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
21 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
22 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
23 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
24 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
25 | THE POSSIBILITY OF SUCH DAMAGE. |
26 +----------------------------------------------------------------------------+
27 */
28
29 #include "gate/io/gpiodevices.hpp"
30 #include "gate/exceptions.hpp"
31 #include "gate/strings.hpp"
32
33 namespace gate
34 {
35 namespace io
36 {
37
38 String SpiDevice::getDefaultDevicePath()
39 {
40 gate_string_t path;
41 result_t const res = gate_spidevice_default_path(&path);
42 GATEXX_CHECK_ERROR(res);
43 return String::createFrom(path);
44 }
45
46 SpiDevice::SpiDevice(String const& devicePath, enumint_t flags)
47 {
48 result_t const res = gate_spidevice_open(devicePath.c_impl(), flags, &this->impl);
49 GATEXX_CHECK_ERROR(res);
50 }
51 SpiDevice::~SpiDevice() noexcept
52 {
53 gate_spidevice_close(&this->impl);
54 }
55
56 gate_spidevice_t* SpiDevice::c_impl()
57 {
58 return &this->impl;
59 }
60
61 enumint_t const SpiDevice::TransactionFlag_LSB = GATE_SPIDEVICE_FLAG_LSB;
62
63 VoidResult SpiDevice::tryBeginTransaction(uint64_t speed, ModeEnum mode, enumint_t flags)
64 {
65 result_t const res = gate_spidevice_begin_transaction(&this->impl, speed, static_cast<enumint_t>(mode), flags);
66 return makeResult(res);
67 }
68
69 VoidResult SpiDevice::tryEndTransaction()
70 {
71 result_t const res = gate_spidevice_end_transaction(&this->impl);
72 return makeResult(res);
73 }
74
75 VoidResult SpiDevice::tryTransfer(void const* sendBuffer, void* receiveBuffer, size_t bufferLength)
76 {
77 result_t const res = gate_spidevice_transfer(&this->impl, sendBuffer, receiveBuffer, bufferLength);
78 return makeResult(res);
79 }
80
81 Result<uint8_t> SpiDevice::tryTransfer(uint8_t sendByte)
82 {
83 uint8_t receiveByte = 0;
84 result_t const res = gate_spidevice_transfer(&this->impl, &sendByte, &receiveByte, 1);
85 return makeResult(res, receiveByte);
86 }
87
88 void SpiDevice::beginTransaction(uint64_t speed, ModeEnum mode, enumint_t flags)
89 {
90 this->tryBeginTransaction(speed, mode, flags).checkException("SpiDevice::beginTransaction");
91 }
92
93 void SpiDevice::endTransaction()
94 {
95 this->tryEndTransaction().checkException("SpiDevice::endTransaction");
96 }
97
98 void SpiDevice::transfer(void const* sendBuffer, void* receiveBuffer, size_t bufferLength)
99 {
100 this->tryTransfer(sendBuffer, receiveBuffer, bufferLength).checkException("SpiDevice::transfer");
101 }
102
103 uint8_t SpiDevice::transfer(uint8_t sendByte)
104 {
105 return this->tryTransfer(sendByte).valueOrExcept();
106 }
107
108 }
109 }
110