Commit a929c3cf authored by Daniel Friesel's avatar Daniel Friesel
Browse files

Add S5851A temperature sensor driver

parent d90a8403

Makefile

+5 −0
Original line number Diff line number Diff line
@@ -33,6 +33,11 @@ ifneq ($(findstring lm75,${drivers}), ) 
	COMMON_FLAGS += -DDRIVER_LM75

endif



ifneq ($(findstring s5851a,${drivers}), )

	CXX_TARGETS += src/driver/s5851a.cc

	COMMON_FLAGS += -DDRIVER_S5851A

endif



ifneq ($(findstring am2320,${drivers}), )

	CXX_TARGETS += src/driver/am2320.cc

	COMMON_FLAGS += -DDRIVER_AM2320

include/driver/s5851a.h

0 → 100644
+19 −0
Original line number Diff line number Diff line 
#ifndef S5851A_H

#define S5851A_H



class S5851A {

	private:

		S5851A(const S5851A &copy);

		unsigned char const address;

		unsigned char txbuf[1];

		unsigned char rxbuf[2];



	public:

		S5851A(unsigned char const addr) : address(addr) {}



		float getTemp();

};



extern S5851A s5851a;



#endif

src/app/i2cdetect/main.cc

+13 −0
Original line number Diff line number Diff line
@@ -9,6 +9,9 @@ 
#ifdef DRIVER_LM75

#include "driver/lm75.h"

#endif

#ifdef DRIVER_S5851A

#include "driver/s5851a.h"

#endif

#ifdef DRIVER_AM2320

#include "driver/am2320.h"

#endif
@@ -45,6 +48,10 @@ void loop(void) 
	kout.printf_float(lm75.getTemp());

	kout << endl;

#endif

#ifdef DRIVER_S5851A

	kout.printf_float(s5851a.getTemp());

	kout << endl;

#endif

#ifdef DRIVER_AM2320

	am2320.read();

	if (am2320.getStatus() == 0) {
@@ -116,6 +123,12 @@ void loop(void) 
	kout << "CCS811 status is " << ccs811.check() << endl;

#endif

#ifdef DRIVER_HDC1080

	/*

	hdc1080.heater(1);

	for (unsigned char i = 0; i < 50; i++) {

		hdc1080.getTemp();

	}

	*/

	kout << "HDC1080 temperature " << hdc1080.getTemp() << " degC" << endl;

	kout << "HDC1080 humidity " << hdc1080.getRH() << " %H" << endl;

#endif

src/driver/s5851a.cc

0 → 100644
+18 −0
Original line number Diff line number Diff line 
#include "driver/s5851a.h"

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

#include "driver/i2c.h"

#else

#include "driver/soft_i2c.h"

#endif



float S5851A::getTemp()

{

	txbuf[0] = 0;

	rxbuf[0] = 0;

	rxbuf[1] = 0;

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



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

}



S5851A s5851a(0x4b);