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133 lines
5.8 KiB
133 lines
5.8 KiB
/***********************************************************************************************************************
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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_timer_user.c
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* Version : CodeGenerator for RL78/F14 V2.03.07.02 [08 Nov 2021]
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* Device(s) : R5F10PPJ
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* Tool-Chain : CCRL
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* Description : This file implements device driver for TAU module.
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* Creation Date: 2026-08-03
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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_timer.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_tau1_channel5_interrupt(vect=INTTM15)
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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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/* For TAU1_ch5 pulse measurement */
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volatile uint32_t g_tau1_ch5_width = 0UL;
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/* Start user code for global. Do not edit comment generated here */
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#define TAU1_CH5_CAPTURE_QUEUE_SIZE (16U)
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#define TAU1_CH5_CAPTURE_QUEUE_MASK (TAU1_CH5_CAPTURE_QUEUE_SIZE - 1U)
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static volatile uint32_t g_tau1_ch5_low_ticks[TAU1_CH5_CAPTURE_QUEUE_SIZE];
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static volatile uint8_t g_tau1_ch5_capture_head = 0U;
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static volatile uint8_t g_tau1_ch5_capture_tail = 0U;
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static volatile uint8_t g_tau1_ch5_capture_overflow = 0U;
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/* End user code. Do not edit comment generated here */
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/***********************************************************************************************************************
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* Function Name: r_tau1_channel5_interrupt
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* Description : This function is INTTM15 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_tau1_channel5_interrupt(void)
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{
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if ((TSR15 & _0001_TAU_OVERFLOW_OCCURS) == 1U) /* overflow occurs */
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{
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g_tau1_ch5_width = (uint32_t)(TDR15 + 1U) + 0x10000U;
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}
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else
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{
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g_tau1_ch5_width = (uint32_t)(TDR15 + 1U);
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}
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/* Start user code. Do not edit comment generated here */
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/* A rising edge ends a LOW pulse. Queue only LOW widths for the OWI decoder. */
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if ((P7 & 0x01U) != 0U)
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{
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uint8_t next = (uint8_t)((g_tau1_ch5_capture_head + 1U) & TAU1_CH5_CAPTURE_QUEUE_MASK);
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if (next != g_tau1_ch5_capture_tail)
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{
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g_tau1_ch5_low_ticks[g_tau1_ch5_capture_head] = g_tau1_ch5_width;
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g_tau1_ch5_capture_head = next;
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}
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else
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{
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g_tau1_ch5_capture_overflow = 1U;
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}
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}
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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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void R_TAU1_Channel5_CaptureReset(void)
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{
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DI();
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g_tau1_ch5_capture_head = 0U;
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g_tau1_ch5_capture_tail = 0U;
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g_tau1_ch5_capture_overflow = 0U;
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g_tau1_ch5_width = 0UL;
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EI();
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}
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uint8_t R_TAU1_Channel5_GetLowWidthTicks(uint32_t * const ticks)
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{
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uint8_t available = 0U;
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if (ticks == 0)
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{
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return 0U;
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}
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DI();
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if (g_tau1_ch5_capture_tail != g_tau1_ch5_capture_head)
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{
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*ticks = g_tau1_ch5_low_ticks[g_tau1_ch5_capture_tail];
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g_tau1_ch5_capture_tail =
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(uint8_t)((g_tau1_ch5_capture_tail + 1U) & TAU1_CH5_CAPTURE_QUEUE_MASK);
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available = 1U;
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}
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EI();
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return available;
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}
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uint8_t R_TAU1_Channel5_CaptureOverflowed(void)
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{
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return g_tau1_ch5_capture_overflow;
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}
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/* End user code. Do not edit comment generated here */
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