223 lines
9.5 KiB
C
223 lines
9.5 KiB
C
/***********************************************************************************************************************
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* DISCLAIMER
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* This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products.
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* No other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
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* applicable laws, including copyright laws.
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* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING THIS SOFTWARE, WHETHER EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY
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* LAW, NEITHER RENESAS ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE FOR ANY DIRECT,
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* INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR
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* ITS AFFILIATES HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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* Renesas reserves the right, without notice, to make changes to this software and to discontinue the availability
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* of this software. By using this software, you agree to the additional terms and conditions found by accessing the
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* following link:
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* http://www.renesas.com/disclaimer
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*
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* Copyright (C) 2012, 2021 Renesas Electronics Corporation. All rights reserved.
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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* File Name : r_cg_serial_user.c
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* Version : CodeGenerator for RL78/F13 V2.03.07.02 [08 Nov 2021]
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* Device(s) : R5F10BGG
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* Tool-Chain : CCRL
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* Description : This file implements device driver for Serial module.
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* Creation Date: 2022/7/5
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***********************************************************************************************************************/
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/***********************************************************************************************************************
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Includes
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***********************************************************************************************************************/
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#include "r_cg_macrodriver.h"
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#include "r_cg_serial.h"
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/* Start user code for include. Do not edit comment generated here */
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/* End user code. Do not edit comment generated here */
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#include "r_cg_userdefine.h"
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/***********************************************************************************************************************
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Pragma directive
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***********************************************************************************************************************/
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#pragma interrupt r_iica0_interrupt(vect=INTIICA0)
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/* Start user code for pragma. Do not edit comment generated here */
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#if DEBUG
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#pragma interrupt r_iica0_interrupt(vect=INTIICA0)
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#endif
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/* End user code. Do not edit comment generated here */
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/***********************************************************************************************************************
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Global variables and functions
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***********************************************************************************************************************/
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extern volatile uint8_t g_iica0_master_status_flag; /* iica0 master flag */
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extern volatile uint8_t g_iica0_slave_status_flag; /* iica0 slave flag */
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extern volatile uint8_t * gp_iica0_rx_address; /* iica0 receive buffer address */
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extern volatile uint16_t g_iica0_rx_cnt; /* iica0 receive data length */
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extern volatile uint16_t g_iica0_rx_len; /* iica0 receive data count */
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extern volatile uint8_t * gp_iica0_tx_address; /* iica0 send buffer address */
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extern volatile uint16_t g_iica0_tx_cnt; /* iica0 send data count */
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/* Start user code for global. Do not edit comment generated here */
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extern volatile uint8_t flag_IIC_SendEnd;
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extern volatile uint8_t flag_IIC_ReceiveEnd;
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/* End user code. Do not edit comment generated here */
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/***********************************************************************************************************************
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* Function Name: r_iica0_interrupt
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* Description : This function is INTIICA0 interrupt service routine.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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static void __near r_iica0_interrupt(void)
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{
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if ((IICS0 & _80_IICA_STATUS_MASTER) == 0x80U)
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{
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iica0_masterhandler();
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}
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}
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/***********************************************************************************************************************
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* Function Name: iica0_masterhandler
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* Description : This function is IICA0 master handler.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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static void iica0_masterhandler(void)
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{
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/* Detection of stop condition handling */
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if ((0U == IICBSY0) && (g_iica0_tx_cnt != 0U))
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{
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r_iica0_callback_master_error(MD_SPT);
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}
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else
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{
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/* Control for sended address */
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if ((g_iica0_master_status_flag & _80_IICA_ADDRESS_COMPLETE) == 0U)
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{
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if (1U == ACKD0)
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{
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g_iica0_master_status_flag |= _80_IICA_ADDRESS_COMPLETE;
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if (1U == TRC0)
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{
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WTIM0 = 1U;
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if (g_iica0_tx_cnt > 0U)
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{
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IICA0 = *gp_iica0_tx_address;
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gp_iica0_tx_address++;
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g_iica0_tx_cnt--;
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}
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else
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{
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r_iica0_callback_master_sendend();
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}
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}
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else
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{
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ACKE0 = 1U;
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WTIM0 = 0U;
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WREL0 = 1U;
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}
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}
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else
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{
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r_iica0_callback_master_error(MD_NACK);
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}
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}
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else
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{
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/* Master send control */
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if (1U == TRC0)
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{
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if ((0U == ACKD0) && (g_iica0_tx_cnt != 0U))
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{
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r_iica0_callback_master_error(MD_NACK);
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}
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else
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{
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if (g_iica0_tx_cnt > 0U)
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{
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IICA0 = *gp_iica0_tx_address;
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gp_iica0_tx_address++;
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g_iica0_tx_cnt--;
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}
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else
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{
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r_iica0_callback_master_sendend();
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}
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}
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}
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/* Master receive control */
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else
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{
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if (g_iica0_rx_cnt < g_iica0_rx_len)
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{
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*gp_iica0_rx_address = IICA0;
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gp_iica0_rx_address++;
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g_iica0_rx_cnt++;
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if (g_iica0_rx_cnt == g_iica0_rx_len)
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{
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ACKE0 = 0U;
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WTIM0 = 1U;
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WREL0 = 1U;
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}
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else
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{
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WREL0 = 1U;
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}
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}
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else
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{
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r_iica0_callback_master_receiveend();
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}
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}
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}
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}
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}
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/***********************************************************************************************************************
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* Function Name: r_iica0_callback_master_error
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* Description : This function is a callback function when IICA0 master error occurs.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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static void r_iica0_callback_master_error(MD_STATUS flag)
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{
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/* Start user code. Do not edit comment generated here */
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/* End user code. Do not edit comment generated here */
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}
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/***********************************************************************************************************************
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* Function Name: r_iica0_callback_master_receiveend
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* Description : This function is a callback function when IICA0 finishes master reception.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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static void r_iica0_callback_master_receiveend(void)
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{
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SPT0 = 1U;
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/* Start user code. Do not edit comment generated here */
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flag_IIC_ReceiveEnd = 1;
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/* End user code. Do not edit comment generated here */
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}
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/***********************************************************************************************************************
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* Function Name: r_iica0_callback_master_sendend
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* Description : This function is a callback function when IICA0 finishes master transmission.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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static void r_iica0_callback_master_sendend(void)
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{
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SPT0 = 1U;
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/* Start user code. Do not edit comment generated here */
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flag_IIC_SendEnd = 1;
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/* End user code. Do not edit comment generated here */
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}
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/* Start user code for adding. Do not edit comment generated here */
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/* End user code. Do not edit comment generated here */
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