Files
flippr-code/FlippR-Driver/src/input/InputDriverFactory.cpp
2018-12-14 01:09:54 +01:00

131 lines
3.9 KiB
C++

/*
* InputDriverFactory.cpp
*
* Created on: Jun 14, 2018
* Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert
*/
#include "InputDriverFactory.h"
#include "utility/config.h"
#include "utility/LoggerFactory.h"
#include "input/impl/InputDriver.h"
#include "input/impl/EventNotifier.h"
#include "input/impl/Detector.h"
namespace flippR_driver
{
namespace input
{
namespace InputDriverFactory
{
using namespace nlohmann;
using namespace flippR_driver::utility;
std::shared_ptr<InputDriver> get_InputDriver(std::istream &input_pin_stream, std::istream &matrix_config_stream)
{
LoggerFactory::CreateInputLogger();
IBlockingQueue<Event> *event_queue = new BlockingQueue<Event>;
std::shared_ptr<EventNotifier> event_notifier(new impl::EventNotifier(event_queue));
std::vector<std::shared_ptr<DistributingEvent>> events;
std::map<std::string, std::shared_ptr<Event>> name_event_map;
create_events(matrix_config_stream, events, name_event_map, event_notifier);
std::unique_ptr<InputPinController> input_gpio_interface(new impl::InputPinController(create_pin_map(input_pin_stream)));
std::unique_ptr<Detector> detector(new impl::Detector(std::move(input_gpio_interface), events));
return std::make_shared<impl::InputDriver>(event_notifier, std::move(detector), name_event_map);
}
namespace
{
void create_events(std::istream &matrix_config_stream, std::vector<std::shared_ptr<DistributingEvent>> &events,
std::map<std::string, std::shared_ptr<Event>> &name_event_map,
std::shared_ptr<EventNotifier> event_notifier)
{
json matrix_config;
matrix_config_stream >> matrix_config;
try
{
int global_bounce_time = matrix_config.at("global_bounce_time").get<uint8_t>();
auto &json_events = matrix_config.at("input_matrix");
for(auto &json_event : json_events)
{
std::shared_ptr<DistributingEvent> event = create_event(json_event, event_notifier, global_bounce_time);
events.push_back(event);
name_event_map.emplace(event->name, event);
}
}
catch(json::exception &e)
{
CLOG(ERROR, INPUT_LOGGER) << "Event matrix config file corrupted: " << e.what();
exit(EXIT_FAILURE);
}
}
std::shared_ptr<DistributingEvent> create_event(json &json_event, std::shared_ptr<EventNotifier> event_notifier, int bounce_time)
{
std::string name = json_event.at("name");
char address = json_event.at("address").get<uint8_t>();
int priority = json_event.at("priority").get<uint8_t>();
set_individual_bounce_time(json_event, bounce_time);
return std::make_shared<DistributingEvent>(address, priority, name, std::chrono::milliseconds(bounce_time), event_notifier);
}
void set_individual_bounce_time(json &json_event, int &bounce_time)
{
auto it_bounce_time = json_event.find("bounce_time");
if(it_bounce_time != json_event.end())
{
bounce_time = it_bounce_time->get<uint8_t>();
}
}
std::map<std::string, uint8_t> create_pin_map(std::istream &input_pin_stream)
{
std::map<std::string, uint8_t> input_pin_map;
json pin_config;
input_pin_stream >> pin_config;
try
{
json row_json = pin_config.at("row");
input_pin_map["row_address_A"] = row_json.at("A").get<uint8_t>();
input_pin_map["row_address_B"] = row_json.at("B").get<uint8_t>();
input_pin_map["row_address_C"] = row_json.at("C").get<uint8_t>();
json col_json = pin_config.at("col");
input_pin_map["col_address_A"] = col_json.at("A").get<uint8_t>();
input_pin_map["col_address_B"] = col_json.at("B").get<uint8_t>();
input_pin_map["col_address_C"] = col_json.at("C").get<uint8_t>();
input_pin_map["data_address"] = pin_config.at("data").get<uint8_t>();
}
catch(json::exception &e)
{
CLOG(ERROR, INPUT_LOGGER) << "Input pin config file corrupted! " << e.what();
exit(EXIT_FAILURE);
}
return input_pin_map;
}
}
}
}
}