Commit c1a41b3c authored by Daniel Friesel's avatar Daniel Friesel
Browse files

add ccs811, max44006, max44009 drivers. Not all are working.

parent 942d0d17

include/driver/ccs811.h

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#ifndef CCS811_H

#define CCS811_H



class CCS811 {

	private:

		CCS811(const CCS811 &copy);

		unsigned char const address;

		unsigned char txbuf[3];

		unsigned char rxbuf[2];



	public:

		CCS811(unsigned char const addr) : address(addr) {}



		void init();

		short check();

};



extern CCS811 ccs811;



#endif

include/driver/max44006.h

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#ifndef LM75_H

#define LM75_H



class LM75 {

	private:

		LM75(const LM75 &copy);

		unsigned char const address;

		unsigned char txbuf[3];

		unsigned char rxbuf[2];



	public:

		LM75(unsigned char const addr) : address(addr) {}



		float getTemp();

		void setOS(unsigned char os);

		void setHyst(unsigned char hyst);

};



extern LM75 lm75;



#endif

include/driver/max44009.h

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#ifndef MAX44009_H

#define MAX44009_H



class MAX44009 {

	private:

		MAX44009(const MAX44009 &copy);

		unsigned char const address;

		unsigned char txbuf[2];

		unsigned char rxbuf[2];



	public:

		MAX44009(unsigned char const addr) : address(addr) {}



		float getLux();

};



extern MAX44009 max44009;



#endif

src/driver/ccs811.cc

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#include "driver/ccs811.h"

#include "driver/gpio.h"

#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)

#include "driver/i2c.h"

#else

#include "driver/soft_i2c.h"

#endif



#ifdef MULTIPASS_ARCH_esp8266

#define nWAKE GPIO::d5

#endif



void CCS811::init()

{

	gpio.output(nWAKE);

	gpio.write(nWAKE, 1);

}



short CCS811::check()

{

	gpio.write(nWAKE, 0);

	txbuf[0] = 0x20;

	rxbuf[0] = 0;

	i2c.xmit(address, 1, txbuf, 1, rxbuf);

	gpio.write(nWAKE, 1);

	return rxbuf[0];

}



CCS811 ccs811(0x5a);

src/driver/max44006.cc

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#include "driver/max44006.h"

#include "arch.h"

#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)

#include "driver/i2c.h"

#else

#include "driver/soft_i2c.h"

#endif



signed char MAX44006::setup()

{

	txbuf[0] = 0;

	txbuf[1] = 0;

	i2c.xmit(2, txbuf, 0, rxbuf);



	arch.delay_us(10);



	txbuf[0] = 0x01;

	txbuf[1] = 0x20;

	i2c.xmit(2, txbuf, 0, rxbuf);



	arch.delay_us(10);



	txbuf[0] = 0x02;

	txbuf[1] = 0x02;

	i2c.xmit(2, txbuf, 0, rxbuf);



	return 0;

}



void MAX44006::wakeup()

{

	txbuf[0] = 0;

	txbuf[1] = 0;

	i2c.xmit(2, txbuf, 0, rxbuf);

}



void MAX44006::sleep()

{

	txbuf[0] = 0x00;

	txbuf[1] = 0x08;



	i2c.xmit(2, txbuf, 0, rxbuf);

}



float LM75::getTemp()

{

	txbuf[0] = 0;

	rxbuf[0] = 0;

	rxbuf[1] = 0;

	i2c.xmit(address, 1, txbuf, 2, rxbuf);



	return rxbuf[0] + (rxbuf[1] / 256.0);

}



void LM75::setOS(unsigned char os)

{

	txbuf[0] = 0x03;

	txbuf[1] = os;

	txbuf[2] = 0;

	i2c.xmit(address, 3, txbuf, 0, rxbuf);

}



void LM75::setHyst(unsigned char hyst)

{

	txbuf[0] = 0x02;

	txbuf[1] = hyst;

	txbuf[2] = 0;

	i2c.xmit(address, 3, txbuf, 0, rxbuf);

}



MAX44006 max44006(0x45);