RX651でUART送信をDMAで動作させる方法

/**********************************************************************************************************************
 * 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
 *
 * Copyright (C) 2020 Renesas Electronics Corporation. All rights reserved.
 *********************************************************************************************************************/
/***********************************************************************/
/*                                                                     */
/*  FILE        :Main.c or Main.cpp                                    */
/*  DATE        :Tue, Oct 31, 2006                                     */
/*  DESCRIPTION :Main Program                                          */
/*  CPU TYPE    :                                                      */
/*                                                                     */
/*  NOTE:THIS IS A TYPICAL EXAMPLE.                                    */
/*                                                                     */
/***********************************************************************/
//#include "typedefine.h"
#include "r_smc_entry.h"

#pragma address g_sci_tx_buf=0x00800000
#pragma address g_sci_rx_buf=0x00801000

unsigned char g_sci_tx_buf[0x1000];
unsigned char g_sci_rx_buf[0x1000];

volatile unsigned long g_sci_txi_count = 0;	//TXI割り込みの回数をカウント
volatile unsigned long g_sci_tei_count = 0;	//TEI割り込みの回数をカウント
volatile unsigned long g_sci_rxi_count = 0;	//RXI割り込みの回数をカウント

void sci_tx_buf_copy(unsigned char *buf);

#ifdef __cplusplus
//#include <ios>                        // Remove the comment when you use ios
//_SINT ios_base::Init::init_cnt;       // Remove the comment when you use ios
#endif

void main(void);
#ifdef __cplusplus
extern "C" {
void abort(void);
}
#endif

void main(void)
{
	unsigned long i;
	unsigned char dummy1, dummy2;
	
	//メモリ初期化
	for (i=0; i<0x1000; i++)
	{
		g_sci_tx_buf[i] = 0x00;
		g_sci_rx_buf[i] = 0x00;
	}
	
	R_Config_SCI1_Start();
	R_Config_DMAC4_Start();
	R_Config_DMAC5_Start();
	
	//受信側
	
	DMAC5.DMCRA = 10;				//受信10バイト
	
	R_Config_SCI1_Serial_Receive(&dummy1, 1);	//RE=RIE1に設定
	
	//送信側
	
	sci_tx_buf_copy("SCI DMAC test\r\n");		//0x0080_0000～にコピー(15バイト）
	
	DMAC4.DMCRA = 15;				//送信15バイト
	
	R_Config_SCI1_Serial_Send(&dummy2, 1);		//DMAC起動トリガ
	
	while(1)
	{
		__nop();
	}
	

}

#ifdef __cplusplus
void abort(void)
{

}
#endif

void sci_tx_buf_copy(unsigned char *buf)
{
	unsigned long index = 0;
	
	while (*buf != '\0')
	{
		g_sci_tx_buf[index++] = *buf++;
	}
}

/***********************************************************************************************************************
* 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
*
* Copyright (C) 2022 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/

/***********************************************************************************************************************
* File Name        : Config_SCI1_user.c
* Component Version: 1.12.0
* Device(s)        : R5F5651EDxFP
* Description      : This file implements device driver for Config_SCI1.
***********************************************************************************************************************/

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_transmit_interrupt
* Description  : This function is TXI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

#if FAST_INTERRUPT_VECTOR == VECT_SCI1_TXI1
#pragma interrupt r_Config_SCI1_transmit_interrupt(vect=VECT(SCI1,TXI1),fint)
#else
#pragma interrupt r_Config_SCI1_transmit_interrupt(vect=VECT(SCI1,TXI1))
#endif
static void r_Config_SCI1_transmit_interrupt(void)
{
	extern volatile unsigned long g_sci_txi_count;
	g_sci_txi_count++;
	
    r_Config_SCI1_callback_transmitend();
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_transmitend_interrupt
* Description  : This function is TEI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

void r_Config_SCI1_transmitend_interrupt(void)
{
	extern volatile unsigned long g_sci_tei_count;
	g_sci_tei_count++;
    
	r_Config_SCI1_callback_transmitend();
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_receive_interrupt
* Description  : This function is RXI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

#if FAST_INTERRUPT_VECTOR == VECT_SCI1_RXI1
#pragma interrupt r_Config_SCI1_receive_interrupt(vect=VECT(SCI1,RXI1),fint)
#else
#pragma interrupt r_Config_SCI1_receive_interrupt(vect=VECT(SCI1,RXI1))
#endif
static void r_Config_SCI1_receive_interrupt(void)
{
	extern volatile unsigned long g_sci_rxi_count;
	g_sci_rxi_count++;
	
    r_Config_SCI1_callback_receiveend();
}

void restart_DMA(uint8_t * tx_buf, uint16_t tx_num)
{
	DMAC4.DMCNT.BIT.DTE = 0;	//R_Config_DMAC4_Stop();
	SCI5.SCR.BIT.TE = 0;		// 送信停止
	SCI5.SCR.BIT.TIE = 0;		// 送信割込み禁止

	IR(SCI5, TXI5) = 0;			// 割り込み要因クリア

	DMAC4.DMCRA = tx_num;
	DMAC4.DMSAR = (uint32_t)tx_buf;

	DMAC4.DMCNT.BIT.DTE = 1;	//R_Config_DMAC4_Start();
	SCI5.SCR.BIT.TIE = 1;		// 送信割込み許可
	SCI5.SCR.BIT.TE = 1;		// 送信起動
}

/**********************************************************************************************************************
 * 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
 *
 * Copyright (C) 2020 Renesas Electronics Corporation. All rights reserved.
 *********************************************************************************************************************/
/***********************************************************************/
/*                                                                     */
/*  FILE        :Main.c or Main.cpp                                    */
/*  DATE        :Tue, Oct 31, 2006                                     */
/*  DESCRIPTION :Main Program                                          */
/*  CPU TYPE    :                                                      */
/*                                                                     */
/*  NOTE:THIS IS A TYPICAL EXAMPLE.                                    */
/*                                                                     */
/***********************************************************************/
//#include "typedefine.h"
#include "r_smc_entry.h"

#pragma address g_sci_tx_buf=0x00800000
#pragma address g_sci_rx_buf=0x00801000

unsigned char g_sci_tx_buf[0x1000];
unsigned char g_sci_rx_buf[0x1000];

volatile unsigned long g_sci_txi_count = 0;
volatile unsigned long g_sci_tei_count = 0;
volatile unsigned long g_sci_rxi_count = 0;

volatile int g_dmac4_flag;

void sci_tx_buf_copy(unsigned char *buf);

#ifdef __cplusplus
//#include <ios>                        // Remove the comment when you use ios
//_SINT ios_base::Init::init_cnt;       // Remove the comment when you use ios
#endif

void main(void);
#ifdef __cplusplus
extern "C" {
void abort(void);
}
#endif

void main(void)
{
	unsigned long i;
	unsigned char dummy1, dummy2;
	
	//メモリ初期化
	for (i=0; i<0x1000; i++)
	{
		g_sci_tx_buf[i] = 0x00;
		g_sci_rx_buf[i] = 0x00;
	}
	
	//割り込み優先度は0に設定
	IPR(SCI1, RXI1) = 0;
    IPR(SCI1, TXI1) = 0;
	
	R_Config_SCI1_Start();
	R_Config_DMAC4_Start();
	R_Config_DMAC5_Start();
	
	//受信側
	
	DMAC5.DMCRA = 10;							//受信10バイト
	
	R_Config_SCI1_Serial_Receive(&dummy1, 1);	//RE=RIE=1に設定
	
	//送信側
	
	//1回目
	sci_tx_buf_copy("SCI DMAC test\r\n");		//0x0080_0000～にコピー(15バイト）
	
	DMAC4.DMCRA = 15;							//送信15バイト
	
	g_dmac4_flag = 1;
	
	R_Config_SCI1_Serial_Send(&dummy2, 1);		//DMAC起動トリガ
	
	//2回目
	
	//(1)メモリへのデータセット
	sci_tx_buf_copy("2nd time 0123456789\r\n");			//0x0080_000F～にコピー(21バイト）
	
	//(2)DMAC起動トリガを生じさせる準備（TXI割り込みが発生する様にする）
	while (SCI1.SSR.BIT.TEND == 0)
	{
		__nop();							//送信中の場合は送信完了まで待ってから送信を停止
	}
	SCI1.SCR.BYTE &= ~0xA0U;				//TE=TIE=0 (*1)を実行するための条件
	ICU.IR[61].BIT.IR = 0;					//1回目の最後のキャラクタ送信の際にDMACが起動されずに割り込みフラグが立っている状態となるので割り込みフラグをクリア	
	
	//(*)送信間隔が短くて、1回目の送信の最後のキャラクタのTDR→内部レジスタ転送が終わる前に2回目の送信準備（DMAC起動）が整っている
	//場合は、本来一度TE=TIE=0にする必要はない
	//そうでない場合、一度TE=TIE=0として、TXI割り込みが発生する条件を整える必要がある
	
	//(3)DMACの設定
	while (g_dmac4_flag) __nop();			//前回のDMACの転送が終わった後で設定
	DMAC4.DMCRA = 21;						//送信21バイト
	DMAC4.DMCNT.BIT.DTE = 1U;				//次の処理のためにDMACを起動
	
	//(4)TXI割り込みを発生させる
	SCI1.SCR.BYTE |= 0xA0U;					//DMAC起動トリガ(*1)
	
	/* 
	
	－送信間隔が短い場合(*)－
	
	→(2)(4)は無くて良い（1回目の最後のキャラクタ送信のTXIが2回目の送信のDMACを起動させる）
		
	－送信間隔が開く場合－
	
	必ずしも上記でなければならないという事はありませんが、
	余計に発生したTXI割り込みの処理と、2回目の送信にあたりTXI割り込みが生じる様にする必要があると思います
	*/
	
	while(1)
	{
		__nop();
	}
}

#ifdef __cplusplus
void abort(void)
{

}
#endif

void sci_tx_buf_copy(unsigned char *buf)
{
	static unsigned long index = 0;
	
	while (*buf != '\0')
	{
		g_sci_tx_buf[index++] = *buf++;
	}
}

/***********************************************************************************************************************
* 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
*
* Copyright (C) 2022 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/

/***********************************************************************************************************************
* File Name        : r_cg_dmac_user.c
* Version          : 1.2.120
* Device(s)        : R5F5651EDxFP
* Description      : This file implements ISR for DMAC4 ~ DMAC7.
***********************************************************************************************************************/

/***********************************************************************************************************************
Pragma directive
***********************************************************************************************************************/
/* Start user code for pragma. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
Includes
***********************************************************************************************************************/
#include "r_cg_macrodriver.h"
#include "r_cg_dmac.h"
/* Start user code for include. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
#include "r_cg_userdefine.h"

/***********************************************************************************************************************
Global variables and functions
***********************************************************************************************************************/
/* Start user code for global. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
* Function Name: r_dmac_dmac74i_interrupt
* Description  : This function is dmac74i interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

#if FAST_INTERRUPT_VECTOR == VECT_DMAC_DMAC74I
#pragma interrupt r_dmac_dmac74i_interrupt(vect=VECT(DMAC,DMAC74I),fint)
#else
#pragma interrupt r_dmac_dmac74i_interrupt(vect=VECT(DMAC,DMAC74I))
#endif
static void r_dmac_dmac74i_interrupt(void)
{
    if (DMAC.DMIST.BIT.DMIS4 == 1U)
    {
        if (DMAC4.DMSTS.BIT.DTIF == 1U)
        {
            DMAC4.DMSTS.BIT.DTIF = 0U;
            r_dmac4_callback_transfer_end();
        }
    }

    if (DMAC.DMIST.BIT.DMIS5 == 1U)
    {
        if (DMAC5.DMSTS.BIT.DTIF == 1U)
        {
            DMAC5.DMSTS.BIT.DTIF = 0U;
            r_dmac5_callback_transfer_end();
        }
    }
}

/***********************************************************************************************************************
* Function Name: r_dmac4_dmac74i_callback_transfer_end
* Description  : This function is dmac4 transfer end callback function
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

static void r_dmac4_callback_transfer_end(void)
{
    /* Start user code for r_dmac4_dmac74i_callback_transfer_end. Do not edit comment generated here */
	
	//DMAC4転送終了時の割り込み
	extern volatile int g_dmac4_flag;
	g_dmac4_flag = 0;
    
	/* End user code. Do not edit comment generated here */
}

/***********************************************************************************************************************
* Function Name: r_dmac5_dmac74i_callback_transfer_end
* Description  : This function is dmac5 transfer end callback function
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

static void r_dmac5_callback_transfer_end(void)
{
    /* Start user code for r_dmac5_dmac74i_callback_transfer_end. Do not edit comment generated here */
    /* End user code. Do not edit comment generated here */
}

/* Start user code for adding. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/**********************************************************************************************************************
 * 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
 *
 * Copyright (C) 2020 Renesas Electronics Corporation. All rights reserved.
 *********************************************************************************************************************/
/***********************************************************************/
/*                                                                     */
/*  FILE        :Main.c or Main.cpp                                    */
/*  DATE        :Tue, Oct 31, 2006                                     */
/*  DESCRIPTION :Main Program                                          */
/*  CPU TYPE    :                                                      */
/*                                                                     */
/*  NOTE:THIS IS A TYPICAL EXAMPLE.                                    */
/*                                                                     */
/***********************************************************************/
//#include "typedefine.h"

#include "r_smc_entry.h"

volatile int g_dmac4_flag;		//0:DMAC未使用, 1:DMAC使用中
volatile int g_sci1_txi_flag;	//0:TX送信中or送信準備ができていない, 1:送信準備完了（TXI割り込み要求を掛けて問題ない）

int sci_dmac_out(uint8_t * tx_buf, uint16_t tx_num);	//SCI送信関数


#ifdef __cplusplus
//#include <ios>                        // Remove the comment when you use ios
//_SINT ios_base::Init::init_cnt;       // Remove the comment when you use ios
#endif

void main(void);
#ifdef __cplusplus
extern "C" {
void abort(void);
}
#endif

void main(void)
{
	volatile unsigned long x;
	unsigned char *msg[6];
	
	R_Config_SCI1_Start();
	g_sci1_txi_flag = 1;					//TXI要求準備OK
	R_Config_DMAC4_Start();
	DMAC4.DMCNT.BIT.DTE = 0U;
	g_dmac4_flag = 0;
	
	/* Set TXD1 pin */
    PORT2.PMR.BYTE |= 0x40U;
	
	msg[0]= "SCI DMAC test 1\r\n";
	msg[1]= "SCI DMAC test 2\r\n";
	msg[2]= "SCI DMAC test 3\r\n";
	msg[3]= "SCI DMAC test 4\r\n";
	msg[4]= "SCI DMAC test 5\r\n";
	msg[5]= "SCI DMAC test 6\r\n";

	while(sci_dmac_out(msg[0], 17) != 0);		//1回目
	

	while(sci_dmac_out(msg[1], 17) != 0);		//2回目（送信完了前にDMACの転送が間に合うタイミング）


	while(sci_dmac_out(msg[2], 17) != 0);		//3回目（送信完了前にDMACの転送が間に合うタイミング）
	
	for (x=0; x<10000000; x++) __nop();			//長時間ウェイト
	
	while(sci_dmac_out(msg[3], 17) != 0);		//4回目（送信完了前にDMACの転送が間に合わないタイミング）
	
	for (x=0; x<10000000; x++) __nop();			//長時間ウェイト
	
	while(sci_dmac_out(msg[4], 17) != 0);		//5回目
	
	while(sci_dmac_out(msg[5], 17) != 0);		//6回目
	
	
	while(1)
	{
		__nop();
	}

}

#ifdef __cplusplus
void abort(void)
{

}
#endif

int sci_dmac_out(uint8_t * tx_buf, uint16_t tx_num)
{
	//SCI送信関数

	//戻り値
	//0: 正常終了
	//1: DMAC使用中
	
	if (g_dmac4_flag == 1) return 1;
	
	//転送アドレスと転送回数セット
	DMAC4.DMCRA = tx_num;
	DMAC4.DMSAR = (void *)tx_buf;

	//DMAC起動
	g_dmac4_flag = 1;
	DMAC4.DMCNT.BIT.DTE = 1;
	
	if (g_sci1_txi_flag == 1)
	{
		//送信の準備ができている場合はTXI割り込み要求（DMAC起動トリガ）を掛ける
		SCI1.SCR.BYTE |= 0xA0U;
		g_sci1_txi_flag = 0;
	}
	
	return 0;
}

/***********************************************************************************************************************
* 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
*
* Copyright (C) 2022 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/

/***********************************************************************************************************************
* File Name        : Config_SCI1_user.c
* Component Version: 1.12.0
* Device(s)        : R5F5651EDxFP
* Description      : This file implements device driver for Config_SCI1.
***********************************************************************************************************************/

/***********************************************************************************************************************
Pragma directive
***********************************************************************************************************************/
/* Start user code for pragma. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
Includes
***********************************************************************************************************************/
#include "r_cg_macrodriver.h"
#include "Config_SCI1.h"
/* Start user code for include. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
#include "r_cg_userdefine.h"

/***********************************************************************************************************************
Global variables and functions
***********************************************************************************************************************/
extern volatile uint8_t * gp_sci1_rx_address;                /* SCI1 receive buffer address */
extern volatile uint16_t  g_sci1_rx_count;                   /* SCI1 receive data number */
extern volatile uint16_t  g_sci1_rx_length;                  /* SCI1 receive data length */
/* Start user code for global. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
* Function Name: R_Config_SCI1_Create_UserInit
* Description  : This function adds user code after initializing the SCI1 channel
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

void R_Config_SCI1_Create_UserInit(void)
{
    /* Start user code for user init. Do not edit comment generated here */
    /* End user code. Do not edit comment generated here */
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_transmit_interrupt
* Description  : This function is TXI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

#if FAST_INTERRUPT_VECTOR == VECT_SCI1_TXI1
#pragma interrupt r_Config_SCI1_transmit_interrupt(vect=VECT(SCI1,TXI1),fint)
#else
#pragma interrupt r_Config_SCI1_transmit_interrupt(vect=VECT(SCI1,TXI1))
#endif
static void r_Config_SCI1_transmit_interrupt(void)
{
    r_Config_SCI1_callback_transmitend();
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_transmitend_interrupt
* Description  : This function is TEI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

void r_Config_SCI1_transmitend_interrupt(void)
{
    r_Config_SCI1_callback_transmitend();
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_receive_interrupt
* Description  : This function is RXI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

#if FAST_INTERRUPT_VECTOR == VECT_SCI1_RXI1
#pragma interrupt r_Config_SCI1_receive_interrupt(vect=VECT(SCI1,RXI1),fint)
#else
#pragma interrupt r_Config_SCI1_receive_interrupt(vect=VECT(SCI1,RXI1))
#endif
static void r_Config_SCI1_receive_interrupt(void)
{
    if (g_sci1_rx_length > g_sci1_rx_count)
    {
        *gp_sci1_rx_address = SCI1.RDR;
        gp_sci1_rx_address++;
        g_sci1_rx_count++;
    }
    
    if (g_sci1_rx_length <= g_sci1_rx_count)
    {
        /* All data received */
        SCI1.SCR.BIT.RIE = 0U;
        SCI1.SCR.BIT.RE = 0U;
        r_Config_SCI1_callback_receiveend();
    }
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_receiveerror_interrupt
* Description  : This function is ERI1 interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

void r_Config_SCI1_receiveerror_interrupt(void)
{
    uint8_t err_type;
    
    r_Config_SCI1_callback_receiveerror();
    
    /* Clear overrun, framing and parity error flags */
    err_type = SCI1.SSR.BYTE;
    err_type &= 0xC7U;
    err_type |= 0xC0U;
    SCI1.SSR.BYTE = err_type;
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_callback_transmitend
* Description  : This function is a callback function when SCI1 finishes transmission
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

static void r_Config_SCI1_callback_transmitend(void)
{
    /* Start user code for r_Config_SCI1_callback_transmitend. Do not edit comment generated here */
	
	//スマートコンフィグレータ生成関数では、TXIとTEIどちらの割り込みもココに来てしまう
	
	extern volatile int g_sci1_txi_flag;
	extern volatile int g_dmac4_flag;
	
	if (SCI1.SSR.BIT.TEND == 0)
	{
		//TXI割り込み
		
		SCI1.SCR.BYTE |= 0x04;			//TEIE=1
	}
	else
	{
		//TEI割り込み
		
		SCI1.SCR.BYTE &= ~0xA4;			//TE=TIE=TEIE=0
		g_sci1_txi_flag = 1;			//TXI要求準備OK
	
		if (g_dmac4_flag == 1)
		{
			//DMACの準備が整っている場合は送出要求
			SCI1.SCR.BYTE |= 0xA0;		//TE=TIE
			g_sci1_txi_flag = 0;
		}
	}
	/* End user code. Do not edit comment generated here */
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_callback_receiveend
* Description  : This function is a callback function when SCI1 finishes reception
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

static void r_Config_SCI1_callback_receiveend(void)
{
    /* Start user code for r_Config_SCI1_callback_receiveend. Do not edit comment generated here */
    /* End user code. Do not edit comment generated here */
}

/***********************************************************************************************************************
* Function Name: r_Config_SCI1_callback_receiveerror
* Description  : This function is a callback function when SCI1 reception encounters error
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

static void r_Config_SCI1_callback_receiveerror(void)
{
    /* Start user code for r_Config_SCI1_callback_receiveerror. Do not edit comment generated here */
    /* End user code. Do not edit comment generated here */
}

/* Start user code for adding. Do not edit comment generated here */	
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
* 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
*
* Copyright (C) 2022 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/

/***********************************************************************************************************************
* File Name        : r_cg_dmac_user.c
* Version          : 1.2.120
* Device(s)        : R5F5651EDxFP
* Description      : This file implements ISR for DMAC4 ~ DMAC7.
***********************************************************************************************************************/

/***********************************************************************************************************************
Pragma directive
***********************************************************************************************************************/
/* Start user code for pragma. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
Includes
***********************************************************************************************************************/
#include "r_cg_macrodriver.h"
#include "r_cg_dmac.h"
/* Start user code for include. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */
#include "r_cg_userdefine.h"

/***********************************************************************************************************************
Global variables and functions
***********************************************************************************************************************/
/* Start user code for global. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */

/***********************************************************************************************************************
* Function Name: r_dmac_dmac74i_interrupt
* Description  : This function is dmac74i interrupt service routine
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

#if FAST_INTERRUPT_VECTOR == VECT_DMAC_DMAC74I
#pragma interrupt r_dmac_dmac74i_interrupt(vect=VECT(DMAC,DMAC74I),fint)
#else
#pragma interrupt r_dmac_dmac74i_interrupt(vect=VECT(DMAC,DMAC74I))
#endif
static void r_dmac_dmac74i_interrupt(void)
{
    if (DMAC.DMIST.BIT.DMIS4 == 1U)
    {
        if (DMAC4.DMSTS.BIT.DTIF == 1U)
        {
            DMAC4.DMSTS.BIT.DTIF = 0U;
            r_dmac4_callback_transfer_end();
        }
    }
}

/***********************************************************************************************************************
* Function Name: r_dmac4_dmac74i_callback_transfer_end
* Description  : This function is dmac4 transfer end callback function
* Arguments    : None
* Return Value : None
***********************************************************************************************************************/

static void r_dmac4_callback_transfer_end(void)
{
    /* Start user code for r_dmac4_dmac74i_callback_transfer_end. Do not edit comment generated here */
	
	extern volatile int g_dmac4_flag;
	g_dmac4_flag = 0;
	
    /* End user code. Do not edit comment generated here */
}

/* Start user code for adding. Do not edit comment generated here */
/* End user code. Do not edit comment generated here */