/*******************************************************************************
* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only
* intended for use with Renesas products. No other uses are authorized. This
* software is owned by Renesas Electronics Corporation and is protected under
* all applicable laws, including copyright laws.
* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* Renesas reserves the right, without notice, to make changes to this software
* and to discontinue the availability of this software. By using this software,
* you agree to the additional terms and conditions found by accessing the
* following link:
* http://www.renesas.com/disclaimer
* (c) 2014 Renesas Electronics Corporation All rights reserved.
*******************************************************************************/


/******************************************************************************
* File Name     : r_csig.c
* Version       : 1.0
* Device(s)     : R7F701007 RH850/F1L
* Tool-Chain    : IAR Embedded Workbench 1.30.1
* Description   : This file is a sample of the CSIG communication.
* Operation     : -
*******************************************************************************
*******************************************************************************
* History       : DD.MM.YYYY Version Description
*               : 20.03.2014 1.00    First Release
******************************************************************************/
#define __R_CSIG_C_

/******************************************************************************
Includes <System Includes>
******************************************************************************/
#include	"r_typedefs.h"
#include	"iodefine.h"
#ifdef __ghs__
#include    "device.h"
#endif

#ifdef __IAR_SYSTEMS_ICC__
	#include <intrinsics.h>
#endif


#include	"r_csig.h"

/******************************************************************************
Imported global variables and functions (from other files)
******************************************************************************/


/******************************************************************************
Macro definitions
******************************************************************************/
typedef enum
{
    CSIG_CH0 = 0,
    CSIG_CH1,
    CSIG_CH_MAX
} CSIG_CH;

typedef struct
{
    CSIG_CALLBACK_POINTER fp_intr_ic;
    CSIG_CALLBACK_POINTER fp_intr_ir;
    CSIG_CALLBACK_POINTER fp_intr_ire;
} CSIG_CALLBACK_INTP;

/* define value for interrupt */
#define INTP_RF_BIT           (0x1000)
#define INTP_MK_BIT           (0x0080)
#define INTP_TB_BIT           (0x0040)
#define INTP_PRIORITY_VALUE   (0x0007)

#define INTP_ENABLE_VALUE     (              INTP_TB_BIT | INTP_PRIORITY_VALUE  ) /*0x0047*/
#define INTP_DISABLE_VALUE    (INTP_MK_BIT | INTP_TB_BIT | INTP_PRIORITY_VALUE  ) /*0x00C7*/

/******************************************************************************
Exported global variables and functions (to be accessed by other files)
******************************************************************************/


/******************************************************************************
Private global variables and functions
******************************************************************************/
static	CSIG_CALLBACK_INTP stCSIG_CB[CSIG_CH_MAX];

/******************************************************************************
* Function Name : void R_csig0_master_transmission_initialize( void )
* Description   : This function initializes the CSIG0.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_transmission_initialize( void )
{
	/* callback function pointer initializes */
	stCSIG_CB[CSIG_CH0].fp_intr_ic  = NULL;
	stCSIG_CB[CSIG_CH0].fp_intr_ir  = NULL;
	stCSIG_CB[CSIG_CH0].fp_intr_ire = NULL;

	/* CSI setting */
	CSIG0.CTL0.UINT8  = 0x00;
	CSIG0.CTL1        = 0x00010000;
	CSIG0.CTL2        = 0x0004;
	CSIG0.CFG0        = 0x00000000;
	CSIG0.BCTL0.UINT8 = 0x00;
}

/******************************************************************************
* Function Name : void R_csig0_master_transmission_enable( void )
* Description   : This function enable transmission mode using the CSIG0 in master mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_transmission_enable( void )
{
	/* interrupt setting */
	ICCSIG0IC  = INTP_DISABLE_VALUE;
	ICCSIG0IR  = INTP_DISABLE_VALUE;
	ICCSIG0IRE = INTP_DISABLE_VALUE;

	if( stCSIG_CB[CSIG_CH0].fp_intr_ic  != NULL )
	{
		ICCSIG0IC  = INTP_ENABLE_VALUE;
	}
	if( stCSIG_CB[CSIG_CH0].fp_intr_ire != NULL )
	{
		ICCSIG0IRE = INTP_ENABLE_VALUE;
	}

	/* transmission start */
	CSIG0.CTL0.UINT8 = 0xC1;
}

/******************************************************************************
* Function Name : void R_csig0_master_transmission_disable( void )
* Description   : This function disable transmission mode using the CSIG0 in master mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_transmission_disable( void )
{
	/* interrupt setting */
	ICCSIG0IC  = INTP_DISABLE_VALUE;
	ICCSIG0IR  = INTP_DISABLE_VALUE;
	ICCSIG0IRE = INTP_DISABLE_VALUE;

	/* transmission stop */
	CSIG0.CTL0.UINT8 = 0x01;
}

/******************************************************************************
* Function Name : void R_csig0_master_transmit( uint16_t uint16_tx )
* Description   : This function transmits data using the CSIG0 in master mode.
* Argument      : uint16_t uint16_tx: transmission data
* Return Value  : none
******************************************************************************/
void R_csig0_master_transmit( uint16_t uint16_tx )
{
	CSIG0.TX0H        = uint16_tx;
}

/******************************************************************************
* Function Name : void R_csig0_master_reception_initialize( void )
* Description   : This function initializes the CSIG0.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_reception_initialize( void )
{
	/* callback function pointer initializes */
	stCSIG_CB[CSIG_CH0].fp_intr_ic  = NULL;
	stCSIG_CB[CSIG_CH0].fp_intr_ir  = NULL;
	stCSIG_CB[CSIG_CH0].fp_intr_ire = NULL;

	/* CSI setting */
	CSIG0.CTL0.UINT8  = 0x00;
	CSIG0.CTL1        = 0x00000002;
	CSIG0.CTL2        = 0x0004;
	CSIG0.CFG0        = 0x00000000;
	CSIG0.BCTL0.UINT8 = 0x00;
}

/******************************************************************************
* Function Name : void R_csig0_master_reception_enable( void )
* Description   : This function enable reception mode using the CSIG0 in master mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_reception_enable( void )
{
	/* interrupt setting */
	ICCSIG0IC  = INTP_DISABLE_VALUE;
	ICCSIG0IR  = INTP_DISABLE_VALUE;
	ICCSIG0IRE = INTP_DISABLE_VALUE;

	if( stCSIG_CB[CSIG_CH0].fp_intr_ir  != NULL )
	{
		ICCSIG0IR  = INTP_ENABLE_VALUE;
	}
	if( stCSIG_CB[CSIG_CH0].fp_intr_ire != NULL )
	{
		ICCSIG0IRE = INTP_ENABLE_VALUE;
	}

	/* reception start */
	CSIG0.CTL0.UINT8 = 0xA1;
}

/******************************************************************************
* Function Name : void R_csig0_master_reception_disable( void )
* Description   : This function disable reception mode using the CSIG0 in master mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_reception_disable( void )
{
	/* interrupt setting */
	ICCSIG0IC  = INTP_DISABLE_VALUE;
	ICCSIG0IR  = INTP_DISABLE_VALUE;
	ICCSIG0IRE = INTP_DISABLE_VALUE;

	/* reception stop */
	CSIG0.CTL0.UINT8 = 0x01;
}

/******************************************************************************
* Function Name : void R_csig0_master_receive( void )
* Description   : This function receives data using the CSIG0 in master mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig0_master_receive( void )
{
	volatile uint16_t uint16_dummy;

	/* reception trigger */
	CSIG0.BCTL0.UINT8 = 0x01;
	uint16_dummy = CSIG0.RX0;
}

/******************************************************************************
* Function Name : void R_csig0_interrupt_callback
* Description   : Callback function register.
* Argument      : CSIG_CALLBACK_POINTER p_intr_ic
*                 CSIG_CALLBACK_POINTER p_intr_ir
*                 CSIG_CALLBACK_POINTER p_intr_ire
* Return Value  : none
******************************************************************************/
void R_csig0_interrupt_callback( CSIG_CALLBACK_POINTER fp_intr_ic,
                                 CSIG_CALLBACK_POINTER fp_intr_ir,
                                 CSIG_CALLBACK_POINTER fp_intr_ire )
{
	/* callback function register  */
	 stCSIG_CB[CSIG_CH0].fp_intr_ic  = fp_intr_ic;
	 stCSIG_CB[CSIG_CH0].fp_intr_ir  = fp_intr_ir;
	 stCSIG_CB[CSIG_CH0].fp_intr_ire = fp_intr_ire;
}

/******************************************************************************
* Function Name : void R_csig1_slave_transmission_initialize( void )
* Description   : This function initializes the CSIG1.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_transmission_initialize( void )
{
	/* callback function pointer initializes */
	stCSIG_CB[CSIG_CH1].fp_intr_ic  = NULL;
	stCSIG_CB[CSIG_CH1].fp_intr_ir  = NULL;
	stCSIG_CB[CSIG_CH1].fp_intr_ire = NULL;

	/* CSI setting */
	CSIG1.CTL0.UINT8  = 0x00;
	CSIG1.CTL1        = 0x00010002;
	CSIG1.CTL2        = 0xE000;
	CSIG1.CFG0        = 0x00000000;
	CSIG1.BCTL0.UINT8 = 0x00;
}

/******************************************************************************
* Function Name : void R_csig1_slave_transmission_enable( void )
* Description   : This function enable transmission mode using the CSIG1 in slave mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_transmission_enable( void )
{
	/* interrupt setting */
	ICCSIG1IC  = INTP_DISABLE_VALUE;
	ICCSIG1IR  = INTP_DISABLE_VALUE;
	ICCSIG1IRE = INTP_DISABLE_VALUE;

	if( stCSIG_CB[CSIG_CH1].fp_intr_ic  != NULL )
	{
		ICCSIG1IC  = INTP_ENABLE_VALUE;
	}
	if( stCSIG_CB[CSIG_CH1].fp_intr_ire != NULL )
	{
		ICCSIG1IRE = INTP_ENABLE_VALUE;
	}

	/* transmission start */
	CSIG1.CTL0.UINT8 = 0xC1;
}

/******************************************************************************
* Function Name : void R_csig1_slave_transmission_disable( void )
* Description   : This function disable transmission mode using the CSIG1 in slave mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_transmission_disable( void )
{
	/* interrupt setting */
	ICCSIG1IC  = INTP_DISABLE_VALUE;
	ICCSIG1IR  = INTP_DISABLE_VALUE;
	ICCSIG1IRE = INTP_DISABLE_VALUE;

	/* transmission stop */
	CSIG1.CTL0.UINT8 = 0x01;
}

/******************************************************************************
* Function Name : void R_csig1_slave_transmit( uint16_t uint16_tx )
* Description   : This function transmits data using the CSIG1 in slave mode.
* Argument      : uint16_t uint16_tx: transmission data
* Return Value  : none
******************************************************************************/
void R_csig1_slave_transmit( uint16_t uint16_tx )
{
	CSIG1.TX0H       = uint16_tx;
}

/******************************************************************************
* Function Name : void R_csig1_slave_reception_initialize( void )
* Description   : This function initializes the CSIG1.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_reception_initialize( void )
{
	/* callback function pointer initializes */
	stCSIG_CB[CSIG_CH1].fp_intr_ic  = NULL;
	stCSIG_CB[CSIG_CH1].fp_intr_ir  = NULL;
	stCSIG_CB[CSIG_CH1].fp_intr_ire = NULL;

	/* CSI setting */
	CSIG1.CTL0.UINT8  = 0x00;
	CSIG1.CTL1        = 0x00000000;
	CSIG1.CTL2        = 0xE000;
	CSIG1.CFG0        = 0x00000000;
	CSIG1.BCTL0.UINT8 = 0x00;
}

/******************************************************************************
* Function Name : void R_csig1_slave_reception_enable( void )
* Description   : This function enable reception mode using the CSIG1 in slave mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_reception_enable( void )
{
	/* interrupt setting */
	ICCSIG1IC  = INTP_DISABLE_VALUE;
	ICCSIG1IR  = INTP_DISABLE_VALUE;
	ICCSIG1IRE = INTP_DISABLE_VALUE;

	if( stCSIG_CB[CSIG_CH1].fp_intr_ir  != NULL )
	{
		ICCSIG1IR  = INTP_ENABLE_VALUE;
	}
	if( stCSIG_CB[CSIG_CH1].fp_intr_ire != NULL )
	{
		ICCSIG1IRE = INTP_ENABLE_VALUE;
	}

	/* reception start */
	CSIG1.CTL0.UINT8 = 0xA1;
}

/******************************************************************************
* Function Name : void R_csig1_slave_reception_disable( void )
* Description   : This function disable reception mode using the CSIG1 in slave mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_reception_disable( void )
{
	/* interrupt setting */
	ICCSIG1IC  = INTP_DISABLE_VALUE;
	ICCSIG1IR  = INTP_DISABLE_VALUE;
	ICCSIG1IRE = INTP_DISABLE_VALUE;

	/* reception stop */
	CSIG1.CTL0.UINT8 = 0x01;
}

/******************************************************************************
* Function Name : void R_csig1_slave_receive( void )
* Description   : This function receives data using the CSIG1 in slave mode.
* Argument      : none
* Return Value  : none
******************************************************************************/
void R_csig1_slave_receive( void )
{
}

/******************************************************************************
* Function Name : void R_csig1_interrupt_callback
* Description   : Callback function register.
* Argument      : CSIG_CALLBACK_POINTER p_intr_ic
*                 CSIG_CALLBACK_POINTER p_intr_ir
*                 CSIG_CALLBACK_POINTER p_intr_ire
* Return Value  : none
******************************************************************************/
void R_csig1_interrupt_callback( CSIG_CALLBACK_POINTER fp_intr_ic,
                                 CSIG_CALLBACK_POINTER fp_intr_ir,
                                 CSIG_CALLBACK_POINTER fp_intr_ire )
{
	/* callback function register  */
	 stCSIG_CB[CSIG_CH1].fp_intr_ic  = fp_intr_ic;
	 stCSIG_CB[CSIG_CH1].fp_intr_ir  = fp_intr_ir;
	 stCSIG_CB[CSIG_CH1].fp_intr_ire = fp_intr_ire;
}

/******************************************************************************
* Function Name : void intr_csig0ic_function( void )
* Description   : This function is INTCSIG0IC interrupt processing. (table refer.)
*               : INTCSIG0IC
* Argument      : none
* Return Value  : none
******************************************************************************/

#if !defined(__IAR_SYSTEMS_ICC__) && !defined(__ghs__)
	#pragma interrupt intr_csig0ic_function( enable=false , channel=19 , callt=false , fpu=false )

#endif

void intr_csig0ic_function( void )
{
	if( stCSIG_CB[CSIG_CH0].fp_intr_ic  != NULL )
	{
		(stCSIG_CB[CSIG_CH0].fp_intr_ic)();
	}
}

/******************************************************************************
* Function Name : void intr_csig0ir_function( void )
* Description   : This function is INTCSIG0IR interrupt processing. (table refer.)
*               : INTCSIG0IR
* Argument      : none
* Return Value  : none
******************************************************************************/

#if !defined(__IAR_SYSTEMS_ICC__) && !defined(__ghs__)
	#pragma interrupt intr_csig0ir_function( enable=false , channel=20 , callt=false , fpu=false )

#endif

void intr_csig0ir_function( void )
{
	if( stCSIG_CB[CSIG_CH0].fp_intr_ir  != NULL )
	{
		(stCSIG_CB[CSIG_CH0].fp_intr_ir)();
	}
}

/******************************************************************************
* Function Name : void intr_csig0ire_function( void )
* Description   : This function is INTCSIG0IRE interrupt processing. (table refer.)
*               : INTCSIG0IRE
* Argument      : none
* Return Value  : none
******************************************************************************/

#if !defined(__IAR_SYSTEMS_ICC__) && !defined(__ghs__)
	#pragma interrupt intr_csig0ire_function( enable=false , channel=49 , callt=false , fpu=false )

#endif

void intr_csig0ire_function( void )
{
	if( stCSIG_CB[CSIG_CH0].fp_intr_ire != NULL )
	{
		(stCSIG_CB[CSIG_CH0].fp_intr_ire)();
	}
}

/******************************************************************************
* Function Name : void intr_csig1ic_function( void )
* Description   : This function is INTCSIG1IC interrupt processing. (table refer.)
*               : INTCSIG1IC
* Argument      : none
* Return Value  : none
******************************************************************************/

#if !defined(__IAR_SYSTEMS_ICC__) && !defined(__ghs__)
	#pragma interrupt intr_csig1ic_function( enable=false , channel=215 , callt=false , fpu=false )

#endif

void intr_csig1ic_function( void )
{
	if( stCSIG_CB[CSIG_CH1].fp_intr_ic  != NULL )
	{
		(stCSIG_CB[CSIG_CH1].fp_intr_ic)();
	}
}

/******************************************************************************
* Function Name : void intr_csig1ir_function( void )
* Description   : This function is INTCSIG1IR interrupt processing. (table refer.)
*               : INTCSIG1IR
* Argument      : none
* Return Value  : none
******************************************************************************/

#if !defined(__IAR_SYSTEMS_ICC__) && !defined(__ghs__)
	#pragma interrupt intr_csig1ir_function( enable=false , channel=216 , callt=false , fpu=false )

#endif

void intr_csig1ir_function( void )
{
	if( stCSIG_CB[CSIG_CH1].fp_intr_ir  != NULL )
	{
		(stCSIG_CB[CSIG_CH1].fp_intr_ir)();
	}
}

/******************************************************************************
* Function Name : void intr_csig1ire_function( void )
* Description   : This function is INTCSIG1IRE interrupt processing. (table refer.)
*               : INTCSIG1IRE
* Argument      : none
* Return Value  : none
******************************************************************************/

#if !defined(__IAR_SYSTEMS_ICC__) && !defined(__ghs__)
	#pragma interrupt intr_csig1ire_function( enable=false , channel=217 , callt=false , fpu=false )

#endif

void intr_csig1ire_function( void )
{
	if( stCSIG_CB[CSIG_CH1].fp_intr_ire != NULL )
	{
		(stCSIG_CB[CSIG_CH1].fp_intr_ire)();
	}
}