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/********************************************************************************
Module		: I2C_SW
Author		: 05/04/2015, by KienLTb - https://kienltb.wordpress.com/
Description	: I2C software using bit-banging.


********************************************************************************/

/*-----------------------------------------------------------------------------*/
/* Header inclusions */

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#include "msp430g2231.h"
#include "stdarg.h"

void putc(unsigned);
void puts(char *);

static const unsigned long dv[] = {
//  4294967296      // 32 bit unsigned max
    1000000000,     // +0
     100000000,     // +1

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/********************************************************************************

Product: I2C - Hardware - Block
Module: I2C
Created: 12/04/2015, by KIENLTB

Description: I2C Driver for MSP430

********************************************************************************/
/*-----------------------------------------------------------------------------*/

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//count the 1 bits in a int
int count_ones(unsigned int x) 
{
    int result = 0;
    while (x != 0)
        result++, x = x & (x-1);
    return result;
}

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/*
    Macro to convert the MSB/LSB of a 16-bit value to a 8-bit value
*/
#define GET_16BIT_MSB( x )        ( (uint8_t)( ( ( (uint16_t)(x) ) >> 8 ) & 0xFF ) )
#define GET_16BIT_LSB( x )        ( (uint8_t)(   ( (uint16_t)(x) )        & 0xFF ) )

/* macro to write the 16-bit value into an 8-bit buffer */
#define BUF_SET_16BIT( buf, value )                   \
    do {                                                        \
        ((uint8_t *)(buf))[ 0 ] = GET_16BIT_MSB(value); \

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/********************************************************************************

Product: MPU6050
Module:
Created: 4/6/2015, by KienLTb

Description: Driver MPU6050 for MSP430

********************************************************************************/
/*-----------------------------------------------------------------------------*/

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#ifndef DELAY_H
#define DELAY_H

#include msp430g2553.h

#ifndef F_CPU
    #warning F_CPU not defined for <delay.h>. Using default
    #define F_CPU   1000000UL // 1 MHz
#endif

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/********************************************************************************

Product: MSP430 FrameWork
Module: Button
Created: 5/18/2015, by KIENLTB

Description: Button framework

********************************************************************************/
/*-----------------------------------------------------------------------------*/

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/********************************************************************************

Product: MSP430 Service Framework
Module: DataPackage Service
Created: 5/23/2015, by KIENLTB

Description: Service for process DataPackage

********************************************************************************/
/*-----------------------------------------------------------------------------*/

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obj-m   := charDev.o

KERNELDIR ?= /lib/modules/$(shell uname -r)/build
PWD       := $(shell pwd)

all:
	$(MAKE) -C $(KERNELDIR) M=$(PWD)
clean:
	rm -rf *.o *~ core .depend .*.cmd *.ko *.mod.c .tmp_versions *.symvers *.order