pwm.c
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	#include "pwm.h"

	#include <gpio.h>


	void pwm_init(pwm_t * pwm, pwm_device_t device){
	switch(device){
	case PWM_1_1 :
	pwm->DC = &(P1DC1);
	pwm->TPER = &(P1TPER);
	pwm->TCON = &(P1TCON);
	pwm->CON1 = &(PWM1CON1);
	pwm->pin = 0;
	break;
	case PWM_1_2 :
	pwm->DC = &(P1DC2);
	pwm->TPER = &(P1TPER);
	pwm->TCON = &(P1TCON);
	pwm->CON1 = &(PWM1CON1);
	pwm->pin = 1;
	break;
	case PWM_1_3 :
	pwm->DC = &(P1DC3);
	pwm->TPER = &(P1TPER);
	pwm->TCON = &(P1TCON);
	pwm->CON1 = &(PWM1CON1);
	pwm->pin = 2;
	break;
	case PWM_2_1 :
	pwm->DC = &(P2DC1);
	pwm->TPER = &(P2TPER);
	pwm->TCON = &(P2TCON);
	pwm->CON1 = &(PWM2CON1);
	pwm->pin = 0;
	break;
	default :
	pwm->DC = 0;
	pwm->TCON = 0;
	pwm->CON1 = 0;
	pwm->TPER = 0;
	pwm->pin = 0;
	break;
	}
	//enable the channel globally
	atomic_or(pwm->TCON , 1 << 15);
	//initialize the pin as an output !!!
	atomic_or(pwm->CON1, ( 1 << (pwm->pin + 4)) \| (1 << (pwm->pin + 8)));

	}