?? tim.h
字號:
/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
* File Name : tim.h
* Author : MCD Application Team
* Date First Issued : 08/09/2003
* Description : This file contains all the functions prototypes for the
* TIM software library.
********************************************************************************
* History:
* 01/01/2004 : V1.2
* 14/07/2004 : V1.3
*******************************************************************************/
#ifndef __TIM_H
#define __TIM_H
#include "71x_map.h"
typedef enum { TIM_EXTERNAL,
TIM_INTERNAL
} TIM_Clocks;
typedef enum { TIM_RISING,
TIM_FALLING
} TIM_Clock_Edges;
typedef enum { TIM_CHANNEL_A,
TIM_CHANNEL_B
} TIM_Channels;
typedef enum { TIM_WITH_IT,
TIM_WITHOUT_IT
} TIM_IT_Mode;
typedef enum { TIM_TIMING,
TIM_WAVE
} TIM_OC_Modes;
typedef enum { TIM_HIGH,
TIM_LOW
} TIM_Logic_Levels;
typedef enum { TIM_START,
TIM_STOP,
TIM_CLEAR
} TIM_CounterOperations;
typedef enum { TIM_ICFA = 0x8000,
TIM_OCFA = 0x4000,
TIM_TOF = 0x2000,
TIM_ICFB = 0x1000,
TIM_OCFB = 0x0800
} TIM_Flags;
typedef struct { u16 Pulse;
u16 Period;
} PWMI_parameters;
#define TIM_ECKEN_Mask 0x0001
#define TIM_EXEDG_Mask 0x0002
#define TIM_IEDGA_Mask 0x0004
#define TIM_IEDGB_Mask 0x0008
#define TIM_PWM_Mask 0x0010
#define TIM_OMP_Mask 0x0020
#define TIM_OCAE_Mask 0x0040
#define TIM_OCBE_Mask 0x0080
#define TIM_OLVLA_Mask 0x0100
#define TIM_OLVLB_Mask 0x0200
#define TIM_FOLVA_Mask 0x0400
#define TIM_FOLVB_Mask 0x0800
#define TIM_PWMI_Mask 0x4000
#define TIM_EN_Mask 0x8000
#define TIM_OCBIE_mask 0x0080
#define TIM_ICBIE_Mask 0x1000
#define TIM_TOE_Mask 0x2000
#define TIM_ICAIE_Mask 0x8000
#define TIM_OCAIE_mask 0x4000
#define TIM_ICA_IT 0x8000 // Input Capture Channel A
#define TIM_OCA_IT 0x4000 // Output Compare Channel A
#define TIM_TO_IT 0x2000 // Timer OverFlow
#define TIM_ICB_IT 0x1000 // Input Capture Channel B
#define TIM_OCB_IT 0x0800 // Input Capture Channel A
/*******************************************************************************
* Function Name : TIM_Init
* Description : This routine is used to Initialize the TIM peripheral
* Input : TIM Timer to Initialize
* Return : None
*******************************************************************************/
void TIM_Init( TIM_TypeDef *TIMx );
/*******************************************************************************
* Function Name : TIM_ClockSourceConfig
* Description : This routine is used to configure the TIM clock source
* Input : (1) TIM Timer
* : (2) TIM_Clocks : Specifies the TIM source clock
* - TIM_INTERNAL : The TIM is clocked by the APB2 frequency
* divided by the prescaler value.
* - TIM_EXTERNAL : The TIM is clocked by an external Clock
* Return : None
*******************************************************************************/
inline void TIM_ClockSourceConfig ( TIM_TypeDef *TIMx, TIM_Clocks Xclock )
{
if (Xclock==TIM_EXTERNAL) TIMx->CR1|=TIM_ECKEN_Mask; else TIMx->CR1&=~TIM_ECKEN_Mask;
}
/*******************************************************************************
* Function Name : TIM_ClockSourceValue
* Description : This routine is used to get the TIM clock source
* Input : TIM Timer
* Return : TIM_Clocks : Specifies the TIM source clock
* - TIM_INTERNAL : The TIM is clocked by the APB2 frequency
* divided by the prescaler value.
* - TIM_EXTERNAL : The TIM is clocked by an external Clock
*******************************************************************************/
inline TIM_Clocks TIM_ClockSourceValue ( TIM_TypeDef *TIMx )
{
return ( TIMx->CR1 & TIM_ECKEN_Mask) == 0 ? TIM_INTERNAL : TIM_EXTERNAL;
}
/*******************************************************************************
* Function Name : TIM_PrescalerConfig
* Description : This routine is used to configure the TIM prescaler value
* ( using an internal clock )
* Input : (1) TIM Timer
* : (2) Prescaler ( u8 )
* Return : None
*******************************************************************************/
inline void TIM_PrescalerConfig ( TIM_TypeDef *TIMx, u8 Xprescaler )
{
TIMx->CR2 = ( TIMx->CR2 & 0xFF00 ) | Xprescaler;
}
/*******************************************************************************
* Function Name : TIM_PrescalerValue
* Description : This routine is used to get the TIM prescaler value
* ( when using using an internal clock )
* Input : TIM Timer
* Return : Prescaler ( u8 )
*******************************************************************************/
inline u8 TIM_PrescalerValue ( TIM_TypeDef *TIMx )
{
return TIMx->CR2 & 0x00FF;
}
/*******************************************************************************
* Function Name : TIM_ClockLevelConfig
* Description : This routine is used to configure the TIM clock level
* ( using an external clock )
* Input : TIM Timer
* : TIM_Clock_Edges : Specifies the active adge of the external clock
* - TIM_RISING : The rising edge
* - TIM_FALLING : The falling edge
* Return : None
*******************************************************************************/
inline void TIM_ClockLevelConfig ( TIM_TypeDef *TIMx, TIM_Clock_Edges Xedge )
{
if (Xedge == TIM_RISING) TIMx->CR1 |= TIM_EXEDG_Mask; else TIMx->CR1 &= ~TIM_EXEDG_Mask;
}
/*******************************************************************************
* Function Name : TIM_ClockLevelValue
* Description : This routine is used to get the TIM clock level
* Input : TIM Timer
* Output : TIM_Clock_Edges : Specifies the active adge of the external clock
* - TIM_RISING : The rising edge
* - TIM_FALLING : The falling edge
*******************************************************************************/
inline TIM_Clock_Edges TIM_ClockLevelValue ( TIM_TypeDef *TIMx )
{
return ( TIMx->CR1 & TIM_EXEDG_Mask ) == 0 ? TIM_FALLING : TIM_RISING;
}
/*******************************************************************************
* Function Name : TIM_ICAPModeConfig
* Description : This routine is used to configure the input capture feature
* Input : (1) TIM Timer
* : (2) Input Capture Channel ( Channel_A or Channel_B )
* : (3) Active Edge : Rising edge or Falling edge.
* Output : None
*******************************************************************************/
void TIM_ICAPModeConfig ( TIM_TypeDef *TIMx,
TIM_Channels Xchannel,
TIM_Clock_Edges Xedge );
/*******************************************************************************
* Function Name : TIM_ICAPValue
* Description : This routine is used to get the Input Capture value
* Input : (1) TIM Timer
* : (2) Input Capture Channel ( Channel_A or Channel_B )
* Output : None
*******************************************************************************/
inline u16 TIM_ICAPValue ( TIM_TypeDef *TIMx, TIM_Channels Xchannel )
{
return Xchannel == TIM_CHANNEL_A ? TIMx->ICAR : TIMx->ICBR;
}
/*******************************************************************************
* Function Name : TIM_OCMPModeConfig
* Description : This routine is used to configure the output compare feature
* Input : (1) TIM Timer
* : (2) OCMP Channel ( Channel_A or Channel_B )
* : (3) Pulse Length
* : (4) OC_Mode : output wave, or only timing.
* : (5) Level : Rising edge or Falling edge after the ==
* Output : None
*******************************************************************************/
void TIM_OCMPModeConfig ( TIM_TypeDef *TIMx,
TIM_Channels Xchannel,
u16 XpulseLength,
TIM_OC_Modes Xmode,
TIM_Logic_Levels Xlevel );
/*******************************************************************************
* Function Name : TIM_OPModeConfig
* Description : This routine is used to configure the one pulse mode
* Input : (1) TIM Timer
* : (3) XpulseLength : Length of the pulse
* : (4) Level1 : Level during the pulse
* : (5) Level2 : Level after the pulse
* : (6) Activation Edge : High or Low on ICAP A
* Output : None
*******************************************************************************/
void TIM_OPModeConfig ( TIM_TypeDef *TIMx,
u16 XpulseLength,
TIM_Logic_Levels XLevel1,
TIM_Logic_Levels XLevel2,
TIM_Clock_Edges Xedge );
/*******************************************************************************
* Function Name : TIM_PWMOModeConfig
* Description : This routine is used to configure the PWM in output mode
* Input : (1) TIM Timer
* : (2) DutyCycle : u16
* : (3) Level 1 : During the Duty Cycle
* : (4) Level 2 : During the after the pulse
* : (5) Full period : u16
* Output : None
*******************************************************************************/
void TIM_PWMOModeConfig ( TIM_TypeDef *TIMx,
u16 XDutyCycle,
TIM_Logic_Levels XLevel1,
u16 XFullperiod,
TIM_Logic_Levels XLevel2
);
/*******************************************************************************
* Function Name : TIM_PWMInputConfig
* Description : This routine is used to configure the PWM in input mode
* Input : (1) TIM Timer
* : (2) First Activation Edge
* Output : None
*******************************************************************************/
void TIM_PWMIModeConfig ( TIM_TypeDef *TIMx, TIM_Clock_Edges Xedge );
/*******************************************************************************
* Function Name : TIM_PWMIValue
* Description : This routine is used to get the PWMI values
* Input : (1) TIM Timer
* Output : PWMI_parameters : - u16 Dyty cycle
- u16 Full period
*******************************************************************************/
PWMI_parameters TIM_PWMIValue (TIM_TypeDef *TIMx );
/*******************************************************************************
* Function Name : TIM_PWMInputConfig
* Description : This routine is used to configure the PWM in input mode
* Input : (1) TIM Timer
* : (2) First Activation Edge
* Output : None
*******************************************************************************/
void TIM_CounterConfig ( TIM_TypeDef *TIMx, TIM_CounterOperations Xoperation );
/*******************************************************************************
* Function Name : TIM_ITConfig
* Description : This routine is used to configure the TIM IT
* Input : (1) TIM Timer
* : (2) TIM interrupt
* : (2) ENABLE / DISABLE
* Output : None
*******************************************************************************/
inline void TIM_ITConfig ( TIM_TypeDef *TIMx, u16 New_IT, FunctionalState NewState )
{
if (NewState == ENABLE) TIMx->CR2 |= New_IT; else TIMx->CR2 &= ~New_IT;
}
/*******************************************************************************
* Function Name : TIM_FlagStatus
* Description : This routine is used to check whether a Flag is Set.
* Input : (1) TIM Timer
* : (2) The TIM FLag
* Output : Flag NewState
*******************************************************************************/
inline FlagStatus TIM_FlagStatus ( TIM_TypeDef *TIMx, TIM_Flags Xflag )
{
return (TIMx->SR & Xflag) == 0 ? RESET : SET;
}
/*******************************************************************************
* Function Name : TIM_FlagClear
* Description : This routine is used to clear Flags.
* Input : (1) TIM Timer
* : (2) The TIM FLag
* Output : None
*******************************************************************************/
inline void TIM_FlagClear ( TIM_TypeDef *TIMx, TIM_Flags Xflag )
{
TIMx->SR &= ~Xflag;
}
#endif // __TIM_H
/******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****/
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -