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This adds a C++17 API to the library. Implemented as a single header without dependencies. It simplifies usage of the library when a modern C++ compiler is available. Signed-off-by: Tilman Blumhagen <tilman.blumhagen@googlemail.com>
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1,7 @@ | ||
| if (CPP_BINDINGS) | ||
| add_subdirectory(cpp) | ||
| endif() | ||
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| if (CSHARP_BINDINGS) | ||
| add_subdirectory(csharp) | ||
| endif() | ||
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| @@ -0,0 +1,7 @@ | ||
| cmake_minimum_required(VERSION 2.8.12) | ||
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| project(iiopp-enum CXX) | ||
| add_executable(iiopp-enum examples/iiopp-enum.cpp iiopp.h ${LIBIIO_RC}) | ||
| target_include_directories(iiopp-enum PRIVATE ./) | ||
| set_target_properties(iiopp-enum PROPERTIES CXX_STANDARD 17 CXX_STANDARD_REQUIRED ON) | ||
| target_link_libraries(iiopp-enum iio) |
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| @@ -0,0 +1,103 @@ | ||
| // SPDX-License-Identifier: GPL-2.0-or-later | ||
| /* | ||
| * libiio - C++ API usage | ||
| * | ||
| * This example libiio program shows the usage of the C++ API for enumerating | ||
| * devices, channels and attributes. | ||
| * | ||
| * Copyright (c) 2023, DIFITEC GmbH | ||
| * Author: Tilman Blumhagen <tilman.blumhagen@difitec.de> | ||
| */ | ||
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| #include <iiopp.h> | ||
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| #include <iostream> | ||
| #include <iomanip> | ||
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| using namespace iiopp; | ||
| using namespace std; | ||
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| string get(IAttr const & att) | ||
| { | ||
| char value[1024] = {0}; // Flawfinder: ignore | ||
| att.read(value, sizeof(value)); // Flawfinder: ignore | ||
| return value; | ||
| } | ||
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| void enumerateIioEntities() | ||
| { | ||
| cout << boolalpha; | ||
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| shared_ptr<Context> context = create_default_context(); | ||
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| for (Device device : *context) | ||
| { | ||
| cout << "Device:" << endl; | ||
| cout << " id: " << quoted(string(device.id())) << endl; | ||
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| cout << " name: "; | ||
| if (auto name = device.name()) | ||
| cout << quoted(string(*name)); | ||
| cout << endl; | ||
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| cout << " is trigger: " << device.is_trigger() << endl; | ||
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| for (auto att : device.attrs) | ||
| cout << " attribute " << att.name() << " = " << quoted(get(att)) << endl; | ||
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| for (auto att : device.debug_attrs) | ||
| cout << " debug attribute " << att.name() << " = " << quoted(get(att)) << endl; | ||
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| for (auto att : device.buffer_attrs) | ||
| cout << " buffer attribute " << att.name() << " = " << quoted(get(att)) << endl; | ||
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| for (Channel channel : device) | ||
| { | ||
| cout << " Channel: " << channel.id() << endl; | ||
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| cout << " name: "; | ||
| if (auto name = channel.name()) | ||
| cout << quoted(string(*name)); | ||
| cout << endl; | ||
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| cout << " is output: " << channel.is_output() << endl; | ||
| cout << " is enabled: " << channel.is_enabled() << endl; | ||
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| for (auto att : channel.attrs) | ||
| cout << " attribute " << quoted(att.name().c_str()) << " = " << quoted(get(att)) << endl; | ||
| } | ||
| } | ||
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| shared_ptr<ScanContext> scanCtx = create_scan_context({}, 0); | ||
| shared_ptr<ScanContext::InfoList> infoList = scanCtx->info_list(); | ||
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| cout << "scan context info list:" << endl; | ||
| for (ContextInfo info : *infoList) | ||
| { | ||
| cout << " uri: " << quoted(info.uri().c_str()) << endl; | ||
| cout << " description: " << quoted(info.desciption().c_str()) << endl; | ||
| } | ||
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| cout << "scan block:" << endl; | ||
| shared_ptr<ScanBlock> blk = create_scan_block({}, 0); | ||
| for (ContextInfo info : *blk) | ||
| { | ||
| cout << " uri: " << quoted(info.uri().c_str()) << endl; | ||
| cout << " description: " << quoted(info.desciption().c_str()) << endl; | ||
| } | ||
| } | ||
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| int main(int argc, char ** argv) | ||
| { | ||
| try | ||
| { | ||
| enumerateIioEntities(); | ||
| } | ||
| catch (std::exception & e) | ||
| { | ||
| cerr << "ERROR: " << e.what() << endl; | ||
| return EXIT_FAILURE; | ||
| } | ||
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| return EXIT_SUCCESS; | ||
| } |
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