/*******************************************************************************
  TMR Peripheral Library Interface Source File

  Company
    Microchip Technology Inc.

  File Name
    plib_tmr2.c

  Summary
    TMR2 peripheral library source file.

  Description
    This file implements the interface to the TMR peripheral library.  This
    library provides access to and control of the associated peripheral
    instance.

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

// DOM-IGNORE-BEGIN
/*******************************************************************************
* Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries.
*
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* and any derivatives exclusively with Microchip products. It is your
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*******************************************************************************/
// DOM-IGNORE-END


// *****************************************************************************
// *****************************************************************************
// Section: Included Files
// *****************************************************************************
// *****************************************************************************

#include "device.h"
#include "plib_tmr2.h"
#include "interrupts.h"
#include "definitions.h" 


static volatile TMR_TIMER_OBJECT tmr2Obj;
extern unsigned long AlarmCnt;


void TMR2_Initialize(void)
{
    /* Disable Timer */
    T2CONCLR = _T2CON_ON_MASK;

    /*
    SIDL = 0
    TCKPS =0
    T32   = 0
    TCS = 0
    */
    T2CONSET = 0x0;

    /* Clear counter */
    TMR2 = 0x0;

    /*Set period */
    PR2 = 47999U;

    /* Enable TMR Interrupt */
    IEC0SET = _IEC0_T2IE_MASK;

}


void TMR2_Start(void)
{
    T2CONSET = _T2CON_ON_MASK;
}


void TMR2_Stop (void)
{
    T2CONCLR = _T2CON_ON_MASK;
}

void TMR2_PeriodSet(uint16_t period)
{
    PR2  = period;
}

uint16_t TMR2_PeriodGet(void)
{
    return (uint16_t)PR2;
}

uint16_t TMR2_CounterGet(void)
{
    return (uint16_t)(TMR2);
}


uint32_t TMR2_FrequencyGet(void)
{
    return (48000000);
}


void __attribute__((used)) TIMER_2_InterruptHandler (void)
{
    uint32_t status  = 0U;
    status = IFS0bits.T2IF;
    IFS0CLR = _IFS0_T2IF_MASK;

    AlarmCnt++;
    //GPIO_RB13_Toggle();
    
    if((tmr2Obj.callback_fn != NULL))
    {
        uintptr_t context = tmr2Obj.context;
        tmr2Obj.callback_fn(status, context);
    }
}


void TMR2_InterruptEnable(void)
{
    IEC0SET = _IEC0_T2IE_MASK;
}


void TMR2_InterruptDisable(void)
{
    IEC0CLR = _IEC0_T2IE_MASK;
}


void TMR2_CallbackRegister( TMR_CALLBACK callback_fn, uintptr_t context )
{
    /* Save callback_fn and context in local memory */
    tmr2Obj.callback_fn = callback_fn;
    tmr2Obj.context = context;
}