73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/*
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* InputPinController.cpp
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*
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* Created on: May 31, 2018
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* Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert
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*/
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#include "InputPinController.h"
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#include <thread>
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#include "json/json.hpp"
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#include "easylogging/easylogging++.h"
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#include "utility/config.h"
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namespace flippR_driver
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{
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namespace input
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{
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namespace detail
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{
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using namespace nlohmann;
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InputPinController::InputPinController(std::map<std::string, uint8_t> pins)
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: pins(std::move(pins))
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{
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init_pins();
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}
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bool InputPinController::read_data(uint8_t pin) const
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{
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// setting address to read
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write_row(pin / INPUT_MATRIX_SIZE);
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write_col(pin % INPUT_MATRIX_SIZE);
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// wait for mux to set address
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std::this_thread::sleep_for(std::chrono::nanoseconds(INPUT_SLEEP_DURATION_NANO));
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return read_pin(this->pins.at("data_address"));
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}
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void InputPinController::write_row(uint8_t data) const
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{
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write_pin(this->pins.at("row_address_A"), data & 0b001u);
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write_pin(this->pins.at("row_address_B"), data & 0b010u);
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write_pin(this->pins.at("row_address_C"), data & 0b100u);
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}
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void InputPinController::write_col(uint8_t data) const
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{
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write_pin(this->pins.at("col_address_A"), data & 0b001u);
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write_pin(this->pins.at("col_address_B"), data & 0b010u);
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write_pin(this->pins.at("col_address_C"), data & 0b100u);
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}
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void InputPinController::init_pins() const
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{
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initialize_output_pin(this->pins.at("col_address_A"));
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initialize_output_pin(this->pins.at("col_address_B"));
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initialize_output_pin(this->pins.at("col_address_C"));
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initialize_output_pin(this->pins.at("row_address_A"));
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initialize_output_pin(this->pins.at("row_address_B"));
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initialize_output_pin(this->pins.at("row_address_C"));
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initialize_input_pin(this->pins.at("data_address"));
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}
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}
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}
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}
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