70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
/*
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* PinController.cpp
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*
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* Created on: Jun 15, 2018
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* Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert
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*/
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#include "PinController.h"
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#include "utility/config.h"
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#include "utility/LoggerFactory.h"
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#ifndef NO_WIRING_PI
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#include <wiringPi.h>
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#include <mcp23017.h>
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#else
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#warning "Include testing wiringPi library"
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#include "utility/wiringPiTesting.hpp"
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#endif
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namespace flippR_driver
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{
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std::once_flag PinController::GPIO_LIB_INITIALIZED;
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PinController::PinController()
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{
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CLOG(INFO, OUTPUT_LOGGER) << "Created PinController";
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std::call_once(GPIO_LIB_INITIALIZED, wiringPiSetup);
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}
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void PinController::initialize_input_pin(uint8_t address)
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{
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pinMode(address, INPUT);
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}
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void PinController::initialize_output_pin(const uint8_t address)
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{
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pinMode(address, OUTPUT);
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}
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void PinController::write_pin(uint8_t address, bool value)
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{
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digitalWrite(address, value);
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}
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bool PinController::read_pin(uint8_t address)
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{
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return PULLDOWN == digitalRead(address);
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}
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void PinController::initialize_port_expander(const uint8_t i2c_address, const uint8_t pin_base)
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{
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mcp23017Setup(pin_base, i2c_address);
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char hex_string[4];
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sprintf(hex_string, "%X", i2c_address);
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CLOG(INFO, OUTPUT_LOGGER) << "MCP23017 initialized with i2c-address 0x" << hex_string << " and pin-base " << int(pin_base);
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;
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}
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void PinController::initialize_pins_output(const uint8_t pin_base, std::map<std::string, uint8_t>::iterator begin, std::map<std::string, uint8_t>::iterator end)
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{
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for(; begin != end; begin++)
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{
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initialize_output_pin(pin_base + begin->second);
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}
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}
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}
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