167 lines
8.1 KiB
C
167 lines
8.1 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) 2011, 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/G12 V2.04.06.02 [08 Nov 2021]
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* Device(s) : R5F10268
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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: 2023-12-13
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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 * gp_uart0_tx_address; /* uart0 transmit buffer address */
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volatile uint16_t g_uart0_tx_count; /* uart0 transmit data number */
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volatile uint8_t * gp_uart0_rx_address; /* uart0 receive buffer address */
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volatile uint16_t g_uart0_rx_count; /* uart0 receive data number */
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volatile uint16_t g_uart0_rx_length; /* uart0 receive data length */
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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_SAU0_Create
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* Description : This function initializes the SAU0 module.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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void R_SAU0_Create(void)
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{
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SAU0EN = 1U; /* supply SAU0 clock */
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NOP();
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NOP();
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NOP();
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NOP();
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SPS0 = _0000_SAU_CK00_FCLK_0 | _0000_SAU_CK01_FCLK_0;
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R_UART0_Create();
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}
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/***********************************************************************************************************************
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* Function Name: R_UART0_Create
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* Description : This function initializes the UART0 module.
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* Arguments : None
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* Return Value : None
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***********************************************************************************************************************/
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void R_UART0_Create(void)
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{
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/* UART0 initial setting */
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ST0 |= _0001_SAU_CH0_STOP_TRG_ON; /* UART0 transmit disable */
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STMK0 = 1U; /* disable INTST0 interrupt */
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STIF0 = 0U; /* clear INTST0 interrupt flag */
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SRMK0 = 1U; /* disable INTSR0 interrupt */
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SRIF0 = 0U; /* clear INTSR0 interrupt flag */
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SREMK0 = 1U; /* disable INTSRE0 interrupt */
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SREIF0 = 0U; /* clear INTSRE0 interrupt flag */
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/* Set INTST0 low priority */
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STPR10 = 1U;
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STPR00 = 1U;
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SMR00 = _0020_SAU_SMRMN_INITIALVALUE | _0000_SAU_CLOCK_SELECT_CK00 | _0000_SAU_TRIGGER_SOFTWARE |
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_0002_SAU_MODE_UART | _0000_SAU_TRANSFER_END;
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SCR00 = _8000_SAU_TRANSMISSION | _0000_SAU_INTSRE_MASK | _0000_SAU_PARITY_NONE | _0080_SAU_LSB | _0010_SAU_STOP_1 |
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_0007_SAU_LENGTH_8;
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SDR00 = _CE00_UART0_TRANSMIT_DIVISOR;
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SO0 |= _0001_SAU_CH0_DATA_OUTPUT_1;
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SOL0 |= _0000_SAU_CHANNEL0_NORMAL; /* output level normal */
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SOE0 |= _0001_SAU_CH0_OUTPUT_ENABLE; /* enable UART0 output */
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/* Set TxD0 pin */
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P6 |= 0x01U;
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PM6 &= 0xFEU;
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}
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/***********************************************************************************************************************
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* Function Name: R_UART0_Start
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* Description : This function starts the UART0 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_UART0_Start(void)
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{
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SO0 |= _0001_SAU_CH0_DATA_OUTPUT_1; /* output level normal */
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SOE0 |= _0001_SAU_CH0_OUTPUT_ENABLE; /* enable UART0 output */
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SS0 |= _0001_SAU_CH0_START_TRG_ON; /* enable UART0 transmit */
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STIF0 = 0U; /* clear INTST0 interrupt flag */
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STMK0 = 0U; /* enable INTST0 interrupt */
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}
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/***********************************************************************************************************************
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* Function Name: R_UART0_Stop
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* Description : This function stops the UART0 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_UART0_Stop(void)
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{
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STMK0 = 1U; /* disable INTST0 interrupt */
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ST0 |= _0001_SAU_CH0_STOP_TRG_ON; /* disable UART0 transmit */
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SOE0 &= ~_0001_SAU_CH0_OUTPUT_ENABLE; /* disable UART0 output */
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STIF0 = 0U; /* clear INTST0 interrupt flag */
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}
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/***********************************************************************************************************************
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* Function Name: R_UART0_Send
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* Description : This function sends UART0 data.
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* Arguments : 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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* Return Value : status -
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* MD_OK or MD_ARGERROR
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***********************************************************************************************************************/
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MD_STATUS R_UART0_Send(uint8_t * const tx_buf, uint16_t tx_num)
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{
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MD_STATUS status = MD_OK;
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if (tx_num < 1U)
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{
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status = MD_ARGERROR;
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}
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else
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{
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gp_uart0_tx_address = tx_buf;
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g_uart0_tx_count = tx_num;
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STMK0 = 1U; /* disable INTST0 interrupt */
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TXD0 = *gp_uart0_tx_address;
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gp_uart0_tx_address++;
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g_uart0_tx_count--;
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STMK0 = 0U; /* enable INTST0 interrupt */
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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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