Commit f4b31b88 authored by Birte Kristina Friesel's avatar Birte Kristina Friesel
Browse files

Add 24LC64 EEPROM driver

parent e7f10247

Makefile

+5 −0
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@@ -19,6 +19,11 @@ ifneq ($(findstring am2320,${drivers}), ) 
	COMMON_FLAGS += -DDRIVER_AM2320

endif



ifneq ($(findstring eeprom24lc64,${drivers}), )

	TARGETS += src/driver/eeprom24lc64.cc

	COMMON_FLAGS += -DDRIVER_EEPROM24LC64

endif



ifneq ($(findstring max44006,${drivers}), )

	TARGETS += src/driver/max44006.cc

	COMMON_FLAGS += -DDRIVER_MAX44006

include/driver/eeprom24lc64.h

0 → 100644
+19 −0
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#ifndef EEPROM24LC64_H

#define EEPROM24LC64_H



class EEPROM24LC64 {

	private:

		EEPROM24LC64(const EEPROM24LC64 &copy);

		unsigned char const address;

		unsigned char txbuf[34];



	public:

		EEPROM24LC64(unsigned char const addr) : address(addr) {}



		void writePage(unsigned short addr, char *buf);

		void readPage(unsigned short addr, char *buf);

};



extern EEPROM24LC64 eeprom24lc64;



#endif

src/app/i2cdetect/main.cc

+13 −0
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@@ -12,6 +12,9 @@ 
#ifdef DRIVER_AM2320

#include "driver/am2320.h"

#endif

#ifdef DRIVER_EEPROM24LC64

#include "driver/eeprom24lc64.h"

#endif

#ifdef DRIVER_MAX44009

#include "driver/max44009.h"

#endif
@@ -40,6 +43,16 @@ void loop(void) 
	kout.printf_float(max44009.getLux());

	kout << endl;

#endif

#ifdef DRIVER_EEPROM24LC64

	char buf[33];

	static unsigned char page = 0;

	eeprom24lc64.writePage(page, "Hello, World! Und so weiter, lol");

	arch.delay_ms(10);

	eeprom24lc64.readPage(page, buf);

	buf[32] = '\0';

	kout << "Address " << page << ": " << buf << endl;

	page++;

#endif

#ifdef DRIVER_MMSIMPLE

	moody.toggleBlue();

#endif

src/driver/eeprom24lc64.cc

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#include <stdlib.h>

#include "driver/eeprom24lc64.h"

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

#include "driver/i2c.h"

#else

#include "driver/soft_i2c.h"

#endif



void EEPROM24LC64::readPage(unsigned short addr, char *data)

{

	txbuf[0] = addr >> 8;

	txbuf[1] = addr & 0x00ff;

	i2c.xmit(address, 2, txbuf, 32, (unsigned char *)data);

}



void EEPROM24LC64::writePage(unsigned short addr, char *data)

{

	txbuf[0] = addr >> 8;

	txbuf[1] = addr & 0x00ff;

	for (unsigned char i = 0; i < 32; i++) {

		txbuf[i+2] = data[i];

	}

	i2c.xmit(address, 34, txbuf, 0, NULL);

}



EEPROM24LC64 eeprom24lc64(0x50);

src/driver/soft_i2c.cc

+2 −0
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@@ -140,6 +140,8 @@ signed char SoftI2C::xmit(unsigned char address, 
SoftI2C i2c(GPIO::d7, GPIO::d8);

#elif MULTIPASS_ARCH_arduino_nano

SoftI2C i2c(GPIO::pc4, GPIO::pc5);

#elif MULTIPASS_ARCH_blinkenrocket

SoftI2C i2c(GPIO::pc4, GPIO::pc5);

#elif MULTIPASS_ARCH_msp430fr5969lp

SoftI2C i2c(GPIO::p1_6, GPIO::p1_7);

#endif