87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
#ifndef __Timer_H__
|
||
#define __Timer_H__
|
||
|
||
#include "Sys.h"
|
||
#include "Port.h"
|
||
|
||
// 定时器
|
||
class Timer
|
||
{
|
||
protected:
|
||
volatile bool _started; // 可能在中断里关闭自己
|
||
byte _index; // 第几个定时器，从0开始
|
||
|
||
void ClockCmd(bool state);
|
||
public:
|
||
TIM_TypeDef* _port;
|
||
|
||
Timer(TIM_TypeDef* timer);
|
||
~Timer();
|
||
|
||
ushort Prescaler; // 预分频。实际值，此时无需减一。默认预分配到1MHz
|
||
uint Period; // 周期。实际值，此时无需减一。默认1000个周期
|
||
|
||
void Start(); // 开始定时器
|
||
void Stop(); // 停止定时器
|
||
//void SetScaler(uint scaler); // 设置预分频目标，比如1MHz
|
||
void SetFrequency(uint frequency); // 设置频率，自动计算预分频
|
||
|
||
void Register(EventHandler handler, void* param = NULL);
|
||
|
||
private:
|
||
void OnInterrupt();
|
||
static void OnHandler(ushort num, void* param);
|
||
EventHandler _Handler;
|
||
void* _Param;
|
||
|
||
public:
|
||
static Timer** Timers; // 已经实例化的定时器对象
|
||
static const byte TimerCount; // 定时器个数
|
||
|
||
static Timer* Create(byte index = 0xFF); // 创建指定索引的定时器，如果已有则直接返回，默认0xFF表示随机分配
|
||
};
|
||
|
||
class PWM : public Timer
|
||
{
|
||
private:
|
||
// Timer * _timer;
|
||
// AlternatePort * _pin[4];
|
||
public:
|
||
PWM(byte index = 0xFF); // index 定时器编号
|
||
~PWM();
|
||
ushort Pulse[4];
|
||
|
||
void Start();
|
||
void Stop();
|
||
// void SetDuty_Cycle(int oc,int value);
|
||
};
|
||
/*
|
||
class Capture
|
||
{
|
||
private:
|
||
Timer * _timer;
|
||
public:
|
||
// volatile byte HaveCap; // 用位域可能比较好 低四位分别代表一路
|
||
// 直接使用 stm32 的事件标志
|
||
// FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG);
|
||
// volatile int CapValue[4]; // 一个定时器又是四路
|
||
|
||
Capture(Timer * timer = NULL);
|
||
~Capture();
|
||
uint GetCapture(int channel);
|
||
|
||
void Start(int channel);
|
||
void Stop(int channel);
|
||
private :
|
||
static void OnHandler(ushort num, void* param);
|
||
void OnInterrupt();
|
||
EventHandler _Handler[4];
|
||
void* _Param[4];
|
||
|
||
public :
|
||
void Register(int Index,EventHandler handler, void* param = NULL);
|
||
};
|
||
//void (*EventHandler)(void* sender, void* param);
|
||
*/
|
||
#endif
|