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Beginning of template implementation

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master
Kerem Yollu 4 years ago
parent 805597a71b
commit a504c85e79
9 changed files with 377 additions and 5 deletions
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2
developpment/interfacer/bh1750.cpp
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#include "bh1750.h"
I2C_Driver i2c(1,1);
i2c_ch1_pImpL i2c(1);
Bh1750::Bh1750()
{

2
developpment/interfacer/bh1750.h
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#include <iostream>
#include <array>
#include <string>
#include "i2c_driver.h"
#include "i2c_ch1_pImpL.hpp"
//Start measurement at 4lx resolution. Time typically 16ms.

96
developpment/interfacer/i2c.hpp
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#ifndef _I2C_H_
#define _I2C_H_
namespace serial
{
enum i2c_id
{
i2c_ch0,
i2c_ch1
};
//
// Base template class
//
template<i2c_id id>
class I2C
{
public:
I2C(const uint8_t& mode); // Mode : Master or Slave
uint8_t readByte(const uint8_t& address, const uint8_t& reg);
uint16_t readWord(const uint8_t& address, const uint8_t& reg);
uint8_t writeByte(const uint8_t& address, const uint8_t& data);
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data);
private:
};
//
// Template for channel 0
//
template<>
class I2C <i2c_ch0>
{
public:
I2C(const uint8_t& mode):pImpL(mode)
{
}
uint8_t readByte(const uint8_t& address, const uint8_t& reg)
{
return pImpL -> readByte(address, reg);
}
uint16_t readWord(const uint8_t& address, const uint8_t& reg)
{
return pImpL -> readWord(address,reg);
}
uint8_t writeByte(const uint8_t& address, const uint8_t& data)
{
return pImpL -> writeByte(address, data);
}
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data)
{
return pImpL -> writeWord(address, reg, data);
}
private:
class i2c_ch0_pImpL;
std::unique_ptr<i2c_ch0_pImpL> pImpL;
};
//
// Template for channel 1
//
template<>
class I2C <i2c_ch1>
{
public:
I2C(const uint8_t& mode):pImpL(mode)
{
}
uint8_t readByte(const uint8_t& address, const uint8_t& reg)
{
return pImpL -> readByte(address, reg);
}
uint16_t readWord(const uint8_t& address, const uint8_t& reg)
{
return pImpL -> readWord(address,reg);
}
uint8_t writeByte(const uint8_t& address, const uint8_t& data)
{
return pImpL -> writeByte(address, data);
}
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data)
{
return pImpL -> writeWord(address, reg, data);
}
private:
class i2c_ch1_pImpL;
std::unique_ptr<i2c_ch1_pImpL> pImpL;
};
}// Namespace serial
#endif // _I2C_H_

107
developpment/interfacer/i2c_ch0_pImpL.cpp
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#include "i2c_ch0_pImpL.h"
#include "systemCall.h"
#include <cstdio>
#include <ostream>
#include <iostream>
#include <linux/i2c-dev.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#define PORT_I2C "/dev/i2c-1"
// some curious things https://www.john.geek.nz/2012/12/update-reading-data-from-a-bosch-bmp085-with-a-raspberry-pi/
i2c_ch0_pImpL::i2c_ch0_pImpL(const uint8_t& mode)
{
char filename[20];
snprintf(filename, 19, "/dev/i2c-%d", 0);
deviceDescriptor = open(filename, O_RDWR);
if (deviceDescriptor < 0) {
std::cout << "unable to open : "<< deviceDescriptor << " ! quiting" << std::endl;
exit(1);
}
}
uint8_t i2c_ch0_pImpL::writeByte(const uint8_t& address, const uint8_t& data) // retuns 0 when a sucsessful transation ocures
{
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
send_buffer[0] = data;
if ((write(deviceDescriptor, send_buffer, 1)) != 1)
{
std::cout << "Unable to write quiting" << std::endl;
exit(0);
}
return 0;
}
uint8_t i2c_ch0_pImpL::readByte(const uint8_t& address, const uint8_t& reg)
{
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
writeByte(address,reg); //Initiate a write to indicate the desired register to read
if (read(deviceDescriptor, recieve_buffer, 1) != 1) // An then initare a read request of 1 byte
{
std::cout << "Unable to read quiting" << std::endl;
exit(1);
}
return recieve_buffer[0] ;
}
uint8_t i2c_ch0_pImpL::writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data) // retuns 0 when a sucsessful transation ocures
{
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
send_buffer[0] = reg;
send_buffer[1] = data;
if ((write(deviceDescriptor, send_buffer, 2)) != 2)
{
std::cout << "Unable to write quiting" << std::endl;
exit(0);
}
return 0;
}
uint16_t i2c_ch0_pImpL::readWord(const uint8_t& address, const uint8_t& reg)
{
uint16_t result = 0 ;
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
writeByte(address,reg); //Initiate a write to indicate the desired register to read
if (read(deviceDescriptor, recieve_buffer, 2) != 2) // An then initare a read request of 2 bytes
{
std::cout << "Unable to read quiting" << std::endl;
exit(1);
}
result = (recieve_buffer[0] << 8) + recieve_buffer[1] ;
return result ;
}

31
developpment/interfacer/i2c_ch0_pImpL.h
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#ifndef _I2C_CH0_PIMPL_H_
#define _I2C_CH0_PIMPL_H_
#include <stdint.h>
#include <iostream>
#include <string>
#include "errorHandling.h"
class i2c_ch0_pImpL
{
public:
i2c_ch0_pImpL(const uint8_t& mode); // Mode : Master or Slave
uint8_t readByte(const uint8_t& address, const uint8_t& reg);
uint16_t readWord(const uint8_t& address, const uint8_t& reg);
uint8_t writeByte(const uint8_t& address, const uint8_t& data);
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data);
private:
int16_t deviceDescriptor;
uint8_t device_address;
uint8_t device_reg;
uint8_t send_buffer[32];
uint8_t recieve_buffer[32];
uint8_t blocks;
uint8_t channel;
uint8_t mode;
};
#endif // _I2C_CH0_PIMPL_H_

107
developpment/interfacer/i2c_ch1_pImpL.cpp
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#include "i2c_ch1_pImpL.hpp"
#include "systemCall.h"
#include <cstdio>
#include <ostream>
#include <iostream>
#include <linux/i2c-dev.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#define PORT_I2C "/dev/i2c-1"
// some curious things https://www.john.geek.nz/2012/12/update-reading-data-from-a-bosch-bmp085-with-a-raspberry-pi/
i2c_ch1_pImpL::i2c_ch1_pImpL(const uint8_t& mode)
{
char filename[20];
snprintf(filename, 19, "/dev/i2c-%d", 1);
deviceDescriptor = open(filename, O_RDWR);
if (deviceDescriptor < 0) {
std::cout << "unable to open : "<< deviceDescriptor << " ! quiting" << std::endl;
exit(1);
}
}
uint8_t i2c_ch1_pImpL::writeByte(const uint8_t& address, const uint8_t& data) // retuns 0 when a sucsessful transation ocures
{
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
send_buffer[0] = data;
if ((write(deviceDescriptor, send_buffer, 1)) != 1)
{
std::cout << "Unable to write quiting" << std::endl;
exit(0);
}
return 0;
}
uint8_t i2c_ch1_pImpL::readByte(const uint8_t& address, const uint8_t& reg)
{
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
writeByte(address,reg); //Initiate a write to indicate the desired register to read
if (read(deviceDescriptor, recieve_buffer, 1) != 1) // An then initare a read request of 1 byte
{
std::cout << "Unable to read quiting" << std::endl;
exit(1);
}
return recieve_buffer[0] ;
}
uint8_t i2c_ch1_pImpL::writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data) // retuns 0 when a sucsessful transation ocures
{
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
send_buffer[0] = reg;
send_buffer[1] = data;
if ((write(deviceDescriptor, send_buffer, 2)) != 2)
{
std::cout << "Unable to write quiting" << std::endl;
exit(0);
}
return 0;
}
uint16_t i2c_ch1_pImpL::readWord(const uint8_t& address, const uint8_t& reg)
{
uint16_t result = 0 ;
if (ioctl(deviceDescriptor, I2C_SLAVE, address) < 0)
{
std::cout << "Unable to reach device : "<< address << " ! quiting" << std::endl;
exit(1);
}
writeByte(address,reg); //Initiate a write to indicate the desired register to read
if (read(deviceDescriptor, recieve_buffer, 2) != 2) // An then initare a read request of 2 bytes
{
std::cout << "Unable to read quiting" << std::endl;
exit(1);
}
result = (recieve_buffer[0] << 8) + recieve_buffer[1] ;
return result ;
}

31
developpment/interfacer/i2c_ch1_pImpL.hpp
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#ifndef _I2C_CH1_PIMPL_H_
#define _I2C_CH1_PIMPL_H_
#include <stdint.h>
#include <iostream>
#include <string>
#include "errorHandling.h"
class i2c_ch1_pImpL
{
public:
i2c_ch1_pImpL(const uint8_t& mode); // Mode : Master or Slave
uint8_t readByte(const uint8_t& address, const uint8_t& reg);
uint16_t readWord(const uint8_t& address, const uint8_t& reg);
uint8_t writeByte(const uint8_t& address, const uint8_t& data);
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data);
private:
int16_t deviceDescriptor;
uint8_t device_address;
uint8_t device_reg;
uint8_t send_buffer[32];
uint8_t recieve_buffer[32];
uint8_t blocks;
uint8_t channel;
uint8_t mode;
};
#endif // _I2C_CH1_PIMPL_H_

5
developpment/interfacer/i2c_driver.h
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@ -9,9 +9,8 @@ class I2C_Driver
I2C_Driver(const uint8_t& channel, const uint8_t& mode);
uint8_t readByte(const uint8_t& address, const uint8_t& reg);
uint16_t readWord(const uint8_t& address, const uint8_t& reg);
uint8_t writeByte(const uint8_t& address, const uint8_t& data); // retuns 0 when a sucsessful transation ocures
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data); // retuns 0 when a sucsessful transation ocures
uint8_t writeByte(const uint8_t& address, const uint8_t& data);
uint8_t writeWord(const uint8_t& address, const uint8_t& reg, const uint16_t& data);
private:

1
developpment/interfacer/interfacer.cpp
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#include "commandManager.h"
#include "systemCall.h"
#include "bh1750.h"
//#include "i2c_ch1_pImpL.cpp"
#include<unistd.h>

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