224 lines
9.0 KiB
C
224 lines
9.0 KiB
C
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/***********************************************************************************************************************
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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.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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/* Start user code for pragma. 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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Global variables and functions
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***********************************************************************************************************************/
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volatile uint8_t g_iica0_master_status_flag; /* iica0 master flag */
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volatile uint8_t g_iica0_slave_status_flag; /* iica0 slave flag */
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volatile uint8_t * gp_iica0_rx_address; /* iica0 receive buffer address */
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volatile uint16_t g_iica0_rx_len; /* iica0 receive data length */
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volatile uint16_t g_iica0_rx_cnt; /* iica0 receive data count */
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volatile uint8_t * gp_iica0_tx_address; /* iica0 send buffer address */
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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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/* End user code. Do not edit comment generated here */
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/***********************************************************************************************************************
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* Function Name: R_IICA0_Create
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* Description : This function initializes the IICA0 module.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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void R_IICA0_Create(void)
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{
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IICA0EN = 1U; /* supply IICA0 clock */
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IICE0 = 0U; /* disable IICA0 operation */
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IICAMK0 = 1U; /* disable INTIICA0 interrupt */
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IICAIF0 = 0U; /* clear INTIICA0 interrupt flag */
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/* Set INTIICA0 high priority */
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IICAPR10 = 0U;
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IICAPR00 = 0U;
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/* Set SCLA0, SDAA0 pin */
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P6 &= 0xF3U;
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PM6 |= 0x0CU;
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SMC0 = 1U;
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IICWL0 = _15_IICA0_IICWL_VALUE;
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IICWH0 = _14_IICA0_IICWH_VALUE;
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DFC0 = 0U; /* digital filter off */
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IICCTL01 |= _01_IICA_fCLK_HALF;
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SVA0 = _38_IICA0_MASTERADDRESS;
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STCEN0 = 1U;
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IICRSV0 = 1U;
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SPIE0 = 0U;
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WTIM0 = 1U;
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ACKE0 = 1U;
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IICAMK0 = 0U;
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IICE0 = 1U;
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LREL0 = 1U;
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/* Set SCLA0, SDAA0 pin */
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PM6 &= 0xF3U;
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}
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/***********************************************************************************************************************
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* Function Name: R_IICA0_Stop
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* Description : This function stops IICA0 module operation.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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void R_IICA0_Stop(void)
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{
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IICE0 = 0U; /* disable IICA0 operation */
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}
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/***********************************************************************************************************************
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* Function Name: R_IICA0_StopCondition
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* Description : This function sets IICA0 stop condition flag.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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void R_IICA0_StopCondition(void)
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{
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SPT0 = 1U; /* set stop condition flag */
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}
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/***********************************************************************************************************************
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* Function Name: R_IICA0_Master_Send
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* Description : This function starts to send data as master mode.
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* Arguments : adr -
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* send address
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* tx_buf -
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* transfer buffer pointer
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* tx_num -
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* buffer size
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* wait -
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* wait for start condition
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* Return Value : status -
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* MD_OK or MD_ERROR1 or MD_ERROR2
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***********************************************************************************************************************/
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MD_STATUS R_IICA0_Master_Send(uint8_t adr, uint8_t * const tx_buf, uint16_t tx_num, uint8_t wait)
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{
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MD_STATUS status = MD_OK;
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IICAMK0 = 1U; /* disable INTIICA0 interrupt */
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if ((1U == IICBSY0) && (0U == MSTS0))
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{
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/* Check bus busy */
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IICAMK0 = 0U; /* enable INTIICA0 interrupt */
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status = MD_ERROR1;
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}
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else
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{
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STT0 = 1U; /* send IICA0 start condition */
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IICAMK0 = 0U; /* enable INTIICA0 interrupt */
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/* Wait */
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while (wait--)
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{
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;
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}
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if (0U == STD0)
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{
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status = MD_ERROR2;
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}
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/* Set parameter */
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g_iica0_tx_cnt = tx_num;
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gp_iica0_tx_address = tx_buf;
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g_iica0_master_status_flag = _00_IICA_MASTER_FLAG_CLEAR;
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adr &= (uint8_t)~0x01U; /* set send mode */
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IICA0 = adr; /* send address */
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}
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return (status);
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}
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/***********************************************************************************************************************
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* Function Name: R_IICA0_Master_Receive
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* Description : This function starts to receive IICA0 data as master mode.
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* Arguments : adr -
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* receive address
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* rx_buf -
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* receive buffer pointer
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* rx_num -
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* buffer size
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* wait -
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* wait for start condition
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* Return Value : status -
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* MD_OK or MD_ERROR1 or MD_ERROR2
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***********************************************************************************************************************/
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MD_STATUS R_IICA0_Master_Receive(uint8_t adr, uint8_t * const rx_buf, uint16_t rx_num, uint8_t wait)
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{
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MD_STATUS status = MD_OK;
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IICAMK0 = 1U; /* disable INTIIA0 interrupt */
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if ((1U == IICBSY0) && (0U == MSTS0))
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{
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/* Check bus busy */
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IICAMK0 = 0U; /* enable INTIIA0 interrupt */
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status = MD_ERROR1;
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}
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else
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{
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STT0 = 1U; /* set IICA0 start condition */
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IICAMK0 = 0U; /* enable INTIIA0 interrupt */
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/* Wait */
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while (wait--)
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{
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;
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}
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if (0U == STD0)
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{
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status = MD_ERROR2;
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}
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/* Set parameter */
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g_iica0_rx_len = rx_num;
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g_iica0_rx_cnt = 0U;
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gp_iica0_rx_address = rx_buf;
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g_iica0_master_status_flag = _00_IICA_MASTER_FLAG_CLEAR;
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adr |= 0x01U; /* set receive mode */
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IICA0 = adr; /* receive address */
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}
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return (status);
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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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