105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : CH59x_timer2.c
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* Author : WCH
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* Version : V1.2
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* Date : 2021/11/17
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* Description
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#include "CH59x_common.h"
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/*********************************************************************
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* @fn TMR2_TimerInit
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*
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* @brief 定时功能初始化
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*
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* @param t - 定时时间，基于当前系统时钟Tsys, 最长定时周期 67108864
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*
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* @return none
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*/
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void TMR2_TimerInit(uint32_t t)
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{
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R32_TMR2_CNT_END = t;
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R8_TMR2_CTRL_MOD = RB_TMR_ALL_CLEAR;
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R8_TMR2_CTRL_MOD = RB_TMR_COUNT_EN;
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}
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/*********************************************************************
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* @fn TMR2_EXTSingleCounterInit
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*
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* @brief 边沿计数功能初始化
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*
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* @param cap - 采集计数类型
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*
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* @return none
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*/
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void TMR2_EXTSingleCounterInit(CapModeTypeDef cap)
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{
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R8_TMR2_CTRL_MOD = RB_TMR_ALL_CLEAR;
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R8_TMR2_CTRL_MOD = RB_TMR_COUNT_EN | RB_TMR_CAP_COUNT | RB_TMR_MODE_IN | (cap << 6);
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}
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/*********************************************************************
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* @fn TMR2_PWMInit
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*
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* @brief PWM 输出初始化
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*
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* @param pr - select wave polar, refer to PWMX_PolarTypeDef
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* @param ts - set pwm repeat times, refer to PWM_RepeatTsTypeDef
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*
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* @return none
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*/
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void TMR2_PWMInit(PWMX_PolarTypeDef pr, PWM_RepeatTsTypeDef ts)
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{
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R8_TMR2_CTRL_MOD = RB_TMR_ALL_CLEAR;
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R8_TMR2_CTRL_MOD = (pr << 4) | (ts << 6);
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}
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/*********************************************************************
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* @fn TMR2_CapInit
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*
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* @brief 外部信号捕捉功能初始化
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*
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* @param cap - select capture mode, refer to CapModeTypeDef
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*
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* @return none
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*/
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void TMR2_CapInit(CapModeTypeDef cap)
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{
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R8_TMR2_CTRL_MOD = RB_TMR_ALL_CLEAR;
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R8_TMR2_CTRL_MOD = RB_TMR_COUNT_EN | RB_TMR_MODE_IN | (cap << 6);
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}
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/*********************************************************************
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* @fn TMR2_DMACfg
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*
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* @brief 配置DMA功能
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*
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* @param s - 是否打开DMA功能
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* @param startAddr - DMA 起始地址
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* @param endAddr - DMA 结束地址
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* @param m - 配置DMA模式
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*
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* @return none
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*/
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void TMR2_DMACfg(uint8_t s, uint32_t startAddr, uint32_t endAddr, DMAModeTypeDef m)
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{
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if(s == DISABLE)
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{
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R8_TMR2_CTRL_DMA = 0;
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}
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else
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{
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R16_TMR2_DMA_BEG = startAddr&0xFFFF;
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R16_TMR2_DMA_END = endAddr&0xFFFF;
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if(m)
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R8_TMR2_CTRL_DMA = RB_TMR_DMA_LOOP | RB_TMR_DMA_ENABLE;
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else
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R8_TMR2_CTRL_DMA = RB_TMR_DMA_ENABLE;
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}
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}
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