/*******************************************************************************
  MPLAB Harmony Application Source File

  Company:
    Microchip Technology Inc.

  File Name:
    app.c

  Summary:
    This file contains the source code for the MPLAB Harmony application.

  Description:
    This file contains the source code for the MPLAB Harmony application.  It
    implements the logic of the application's state machine and it may call
    API routines of other MPLAB Harmony modules in the system, such as drivers,
    system services, and middleware.  However, it does not call any of the
    system interfaces (such as the "Initialize" and "Tasks" functions) of any of
    the modules in the system or make any assumptions about when those functions
    are called.  That is the responsibility of the configuration-specific system
    files.
 *******************************************************************************/

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

#include "app.h"

#include "math.h"
#include "definitions.h"                // SYS function prototypes


DRV_HANDLE spi_Handle;

bool LED;
short int sinValue[360];     //sinテーブル値
int delay_Clock = 200000000;   //200MHz


void delay_us(volatile unsigned int usec)        //1μsec遅延
{
        volatile  int count;

        count = (int)(delay_Clock/20000000)*usec;


        do      //実測　at　200MH (Clock=200000000)
        {       //delay_us(1000)：1000.4μsec  delay_us(100)：100.6μsec  delay_us(10):10.5μsec　　delay_us(1)：1.5μsec
                asm("NOP"); asm("NOP"); asm("NOP"); asm("NOP"); asm("NOP");asm("NOP");
                asm("NOP"); asm("NOP"); asm("NOP"); asm("NOP"); asm("NOP"); asm("NOP");

                count--;
        }while(count != 0);


}



void delay_ms(volatile unsigned int msec)        //1msec遅延
{
        volatile unsigned int i;         //実測：at200MH (Clock=200000000)//delay_ms(1)： 1.0006msec   delay_ms(100)：100.04msec

        for(i=0; i<msec; i++)
        delay_us(1000);
}



 void SinTable()         //Sin のテーブル作成
{
        short int i;
        float PAI = 3.1416;
        int value;

        for(i = 0; i < 360; i++)
        {
             value = (1 + sinf(2*PAI*i/360))/2*4095/2;   //sinf():単精度　　vs　　sin():倍精度//MCP4922
                      if( value < 0) value = 0;
                sinValue[i] = (short int)value;
                        //Vout = 2.048×2×Dn/4095　　Vout(max) = 4.096[V] ( > 3.3V（電源電圧））　　　4.096×3.3/5　=　2.7V　（<　（3.3V時オペアンプ飽和電圧))
        }
}

void TMR1_Callback_Func(uint32_t status, uintptr_t context) //コールバック関数      //2msec毎に呼び出される
{ 
     if(LED == false)
        {
            LED = true;           
            LED1_Set();   //RG15：　LED点灯  //plib_gpio.hで定義
            //    GPIO_PinSet(GPIO_PIN_RG15); //Harmonyライブラリの関数で制御
            //    LATGbits.LATG15 = 1;  //レジスタ直接制御
        }
        else
        {
            LED = false;             
            LED1_Clear();   //RG15：　LED消灯 
            //    GPIO_PinClear(GPIO_PIN_RG15);
            //    LATGbits.LATG15 = 0;
        }
     
    //LED1_Toggle();    //RG15：LED　点灯/消灯
}


// *****************************************************************************
// *****************************************************************************
// Section: Global Data Definitions
// *****************************************************************************
// *****************************************************************************

// *****************************************************************************
/* Application Data

  Summary:
    Holds application data

  Description:
    This structure holds the application's data.

  Remarks:
    This structure should be initialized by the APP_Initialize function.

    Application strings and buffers are be defined outside this structure.
*/

APP_DATA appData;

// *****************************************************************************
// *****************************************************************************
// Section: Application Callback Functions
// *****************************************************************************
// *****************************************************************************

/* TODO:  Add any necessary callback functions.
*/

// *****************************************************************************
// *****************************************************************************
// Section: Application Local Functions
// *****************************************************************************
// *****************************************************************************


/* TODO:  Add any necessary local functions.
*/


// *****************************************************************************
// *****************************************************************************
// Section: Application Initialization and State Machine Functions
// *****************************************************************************
// *****************************************************************************

/*******************************************************************************
  Function:
    void APP_Initialize ( void )

  Remarks:
    See prototype in app.h.
 */

void APP_Initialize ( void )
{
    /* Place the App state machine in its initial state. */
    appData.state = APP_STATE_INIT;



    /* TODO: Initialize your application's state machine and other
     * parameters.
     */
    
    

    
    SinTable();         //Sinテーブル作成
    
    TMR1_Start();   //タイマ1　スタート
    //T1CONbits.ON = 1;     //レジスタ直接制御
}


/******************************************************************************
  Function:
    void APP_Tasks ( void )

  Remarks:
    See prototype in app.h.
 */

void APP_Tasks ( void )
{

    /* Check the application's current state. */
    switch ( appData.state )
    {
        /* Application's initial state. */
        case APP_STATE_INIT:
        {
            bool appInitialized = true;
            TMR1_CallbackRegister(TMR1_Callback_Func, NULL);  //コールバック関数設定
 
            spi_Handle = DRV_SPI_Open(DRV_SPI_INDEX_0, DRV_IO_INTENT_WRITE);    //SPIハンドル生成  

            if (appInitialized)
            {

                appData.state = APP_STATE_SERVICE_TASKS;
            }
            break;
        }

        case APP_STATE_SERVICE_TASKS:
        {

            break;
        }

        /* TODO: implement your application state machine.*/


        /* The default state should never be executed. */
        default:
        {
            /* TODO: Handle error in application's state machine. */
            break;
        }
    }
}


/*******************************************************************************
 End of File
 */