1 #pragma once 2 3 #include "Thresholds.hpp" 4 #include "sensor.hpp" 5 6 #include <boost/asio/streambuf.hpp> 7 #include <gpiod.hpp> 8 #include <sdbusplus/asio/object_server.hpp> 9 10 #include <memory> 11 #include <optional> 12 #include <stdexcept> 13 #include <string> 14 #include <vector> 15 16 class BridgeGpio 17 { 18 public: BridgeGpio(const std::string & name,const int polarity,const float setupTime)19 BridgeGpio(const std::string& name, const int polarity, 20 const float setupTime) : 21 setupTimeMs(static_cast<unsigned int>(setupTime * 1000)) 22 { 23 line = gpiod::find_line(name); 24 if (!line) 25 { 26 std::cerr << "Error finding gpio: " << name << "\n"; 27 } 28 else 29 { 30 try 31 { 32 line.request({"adcsensor", 33 gpiod::line_request::DIRECTION_OUTPUT, 34 polarity == gpiod::line::ACTIVE_HIGH 35 ? 0 36 : gpiod::line_request::FLAG_ACTIVE_LOW}); 37 } 38 catch (const std::system_error&) 39 { 40 std::cerr << "Error requesting gpio: " << name << "\n"; 41 } 42 } 43 } 44 set(int value)45 void set(int value) 46 { 47 if (line) 48 { 49 try 50 { 51 line.set_value(value); 52 } 53 catch (const std::system_error& exc) 54 { 55 std::cerr << "Error set_value: " << exc.what() << "\n"; 56 } 57 } 58 } 59 60 unsigned int setupTimeMs; 61 62 private: 63 gpiod::line line; 64 }; 65 66 class ADCSensor : public Sensor, public std::enable_shared_from_this<ADCSensor> 67 { 68 public: 69 ADCSensor(const std::string& path, 70 sdbusplus::asio::object_server& objectServer, 71 std::shared_ptr<sdbusplus::asio::connection>& conn, 72 boost::asio::io_context& io, const std::string& sensorName, 73 std::vector<thresholds::Threshold>&& thresholds, 74 double scaleFactor, float pollRate, PowerState readState, 75 const std::string& sensorConfiguration, 76 std::optional<BridgeGpio>&& bridgeGpio); 77 ~ADCSensor() override; 78 void setupRead(); 79 80 private: 81 sdbusplus::asio::object_server& objServer; 82 boost::asio::posix::stream_descriptor inputDev; 83 boost::asio::steady_timer waitTimer; 84 std::shared_ptr<boost::asio::streambuf> readBuf; 85 std::string path; 86 double scaleFactor; 87 unsigned int sensorPollMs; 88 std::optional<BridgeGpio> bridgeGpio; 89 thresholds::ThresholdTimer thresholdTimer; 90 void handleResponse(const boost::system::error_code& err); 91 void checkThresholds() override; 92 }; 93