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| 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 | 1 | String SPIDevice::getDefaultDevicePath() | |
| 39 | { | ||
| 40 | gate_string_t path; | ||
| 41 |
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1 | result_t const res = gate_spidevice_default_path(&path); |
| 42 |
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1 | GATEXX_CHECK_ERROR(res); |
| 43 | ✗ | return String::createFrom(path); | |
| 44 | } | ||
| 45 | |||
| 46 | 1 | SPIDevice::SPIDevice(String const& devicePath, enumint_t flags) | |
| 47 | { | ||
| 48 | 1 | result_t const res = gate_spidevice_open(devicePath.c_impl(), flags, &this->impl); | |
| 49 |
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1 | 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 | } // end of namespace io | ||
| 109 | } // end of namespace gate | ||
| 110 |