/********************************** (C) COPYRIGHT ******************************* * File Name : CH59x_timer3.c * Author : WCH * Version : V1.2 * Date : 2021/11/17 * Description ********************************************************************************* * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. * Attention: This software (modified or not) and binary are used for * microcontroller manufactured by Nanjing Qinheng Microelectronics. *******************************************************************************/ #include "CH59x_common.h" /********************************************************************* * @fn TMR3_TimerInit * * @brief 定时功能初始化 * * @param t - 定时时间,基于当前系统时钟Tsys, 最长定时周期 67108864 * * @return none */ void TMR3_TimerInit(uint32_t t) { R32_TMR3_CNT_END = t; R8_TMR3_CTRL_MOD = RB_TMR_ALL_CLEAR; R8_TMR3_CTRL_MOD = RB_TMR_COUNT_EN; } /********************************************************************* * @fn TMR3_EXTSingleCounterInit * * @brief 边沿计数功能初始化 * * @param cap - 采集计数类型 * * @return none */ void TMR3_EXTSingleCounterInit(CapModeTypeDef cap) { R8_TMR3_CTRL_MOD = RB_TMR_ALL_CLEAR; R8_TMR3_CTRL_MOD = RB_TMR_COUNT_EN | RB_TMR_CAP_COUNT | RB_TMR_MODE_IN | (cap << 6); } /********************************************************************* * @fn TMR3_PWMInit * * @brief PWM 输出初始化 * * @param pr - select wave polar, refer to PWMX_PolarTypeDef * @param ts - set pwm repeat times, refer to PWM_RepeatTsTypeDef * * @return none */ void TMR3_PWMInit(PWMX_PolarTypeDef pr, PWM_RepeatTsTypeDef ts) { R8_TMR3_CTRL_MOD = RB_TMR_ALL_CLEAR; R8_TMR3_CTRL_MOD = (pr << 4) | (ts << 6); } /********************************************************************* * @fn TMR3_CapInit * * @brief 外部信号捕捉功能初始化 * * @param cap - select capture mode, refer to CapModeTypeDef * * @return none */ void TMR3_CapInit(CapModeTypeDef cap) { R8_TMR3_CTRL_MOD = RB_TMR_ALL_CLEAR; R8_TMR3_CTRL_MOD = RB_TMR_COUNT_EN | RB_TMR_MODE_IN | (cap << 6); }