From 82e38738a4d532cc3d56cbf80c1a4093f23cdd6a Mon Sep 17 00:00:00 2001 From: tao_z <tzj0429@163.com> Date: Wed, 14 Jul 2021 07:01:42 +0800 Subject: [PATCH] 调整时钟64MHz。 RTT任务增加马达开启和关闭功能 --- USR/INC/pwm.h | 16 ++++++++++++---- 1 files changed, 12 insertions(+), 4 deletions(-) diff --git a/USR/INC/pwm.h b/USR/INC/pwm.h index f4d2e75..5be01f7 100644 --- a/USR/INC/pwm.h +++ b/USR/INC/pwm.h @@ -1,13 +1,21 @@ #ifndef _PWM_H_ #define _PWM_H_ #include "gd32e23x_timer.h" -//1us * 10000 = 10ms -#define PERIOD_CAP (10000lU) +//1us * 30000 = 30ms +#define PERIOD_CAP (30000U) +#define SPEED_TIMEOUT (300U) //9S -//48Mzhz / 3000 = 16Khz = 62.5us -#define PERIOD_CMP (3000u) +//64Mzhz / 3200 = 20Khz = 50us +#define PERIOD_CMP (3200u) +#define TIMER2_PERIOD (63U) void TimerInit(void); void SetPwmDuty(uint16_t ch, uint32_t duty); void SetPwmPeriod(uint32_t period); + +extern void StartSpeedTime(void); +extern void StopSpeedTime(void); +extern void stop_pwm_output(void); +extern void TIMER2_IRQHandler_CallBack(void); +extern uint32_t GetSpeedTimerOutcnt(void); #endif -- Gitblit v1.8.0