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woody
2025-12-24 17:21:08 +09:00
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commit 96dc62d8dc
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IPL/Customer/Mobis/V4H_Cx_Loader/common/log/scif.c Normal file
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/*******************************************************************************
* 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 2018-2022 Renesas Electronics Corporation All rights reserved.
*******************************************************************************/
/*******************************************************************************
* DESCRIPTION : SCIF driver
******************************************************************************/
/******************************************************************************
* @file scif.c
* - Version : 0.07
* @brief 1. Initial setting of SCIF.
* 2. Initial setting of HSCIF.
* 3. Log output function.
* .
*****************************************************************************/
/******************************************************************************
* History : DD.MM.YYYY Version Description
* : 28.07.2021 0.01 First Release
* : 03.09.2021 0.02 Modify the timing of MODEMR judgement.
* : 15.10.2021 0.03 Modify register access to read modify write.
* : 03.12.2021 0.04 Fix incorrect configuration process.
* : 06.01.2022 0.05 Static analysis support
* : 16.06.2022 0.06 Change line feed code
* : 31.10.2022 0.07 License notation change.
*****************************************************************************/
#include <stdint.h>
#include <types.h>
#include <scif.h>
#include <mem_io.h>
#include <rst_register.h>
/* Define */
#define SCIF_SCFSR_TEND (uint16_t)((uint16_t)1U << 6U)
#define SCIF_SCFSR_TDFE (uint16_t)((uint16_t)1U << 5U)
#define TRANS_END_CHECK (uint16_t)(SCIF_SCFSR_TEND | SCIF_SCFSR_TDFE)
static void (*rcar_putc)(uint8_t outchar);
static void scif_console_init(uint32_t modemr);
static void scif_console_putc(uint8_t outchar);
static void hscif_console_putc(uint8_t outchar);
static void scif_console_init(uint32_t modemr)
{
switch(modemr)
{
case MODEMR_HSCIF_DLMODE_3000000:
{
/* Set the pointer to a function that outputs one character. */
rcar_putc = hscif_console_putc;
break;
}
case MODEMR_HSCIF_DLMODE_1843200:
{
/* Set the pointer to a function that outputs one character. */
rcar_putc = hscif_console_putc;
break;
}
case MODEMR_HSCIF_DLMODE_921600:
{
/* Set the pointer to a function that outputs one character. */
rcar_putc = hscif_console_putc;
break;
}
case MODEMR_SCIF_DLMODE:
default:
{
/* Set the pointer to a function that outputs one character. */
rcar_putc = scif_console_putc;
break;
}
}
}
/* End of function scif_console_init(void) */
void scif_init(void)
{
uint32_t modemr;
#ifdef FORCE_115200 /* force to serial speed to 115200 bps */
#define _MODE31 (0xEB22FFF0) /* Gen4_ICUMX_loader at RT-VRAM */
#define _MODE_115200 0x00115200
modemr = mem_read32(_MODE31);
if (modemr == _MODE_115200)
modemr = MODEMR_SCIF_DLMODE;
else
#endif
{
modemr = ((mem_read32(RST_MODEMR0) & RST_MODEMR0_MD31) >> 31U);
modemr |= ((mem_read32(RST_MODEMR1) & RST_MODEMR1_MD32) << 1U);
}
scif_console_init(modemr);
}
/* End of function scif_init(void) */
void console_putc(uint8_t outchar)
{
if (outchar == 0x0A) /* \n */
{
rcar_putc( 0x0D ); /* \r */
}
rcar_putc(outchar);
}
/* End of function console_putc(void) */
static void scif_console_putc(uint8_t outchar)
{
uint16_t reg;
/* Check that transfer of SCIF0 is completed */
while (!((TRANS_END_CHECK & mem_read16(SCIF_SCFSR)) == TRANS_END_CHECK))
{
;
}
mem_write8(SCIF_SCFTDR, outchar); /* Transfer one character */
reg = mem_read16(SCIF_SCFSR);
reg &= (uint16_t)(~(TRANS_END_CHECK)); /* TEND,TDFE clear */
mem_write16(SCIF_SCFSR, reg);
/* Check that transfer of SCIF0 is completed */
while (!((TRANS_END_CHECK & mem_read16(SCIF_SCFSR)) == TRANS_END_CHECK))
{
;
}
}
/* End of function scif_console_putc(uint8_t outchar) */
static void hscif_console_putc(uint8_t outchar)
{
uint16_t reg;
/* Check that transfer of SCIF0 is completed */
while (!((TRANS_END_CHECK & mem_read16(HSCIF_HSFSR)) == TRANS_END_CHECK))
{
;
}
mem_write8(HSCIF_HSFTDR, outchar); /* Transfer one character */
reg = mem_read16(HSCIF_HSFSR);
reg &= (uint16_t)(~(TRANS_END_CHECK)); /* TEND,TDFE clear */
mem_write16(HSCIF_HSFSR, reg);
/* Check that transfer of SCIF0 is completed */
while (!((TRANS_END_CHECK & mem_read16(HSCIF_HSFSR)) == TRANS_END_CHECK))
{
;
}
}
/* End of function hscif_console_putc(uint8_t outchar) */