tim.h
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- /******************** (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****/