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First version under SVN is V4.0.1
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Richard Barry
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345
Demo/ARM7_STR71x_IAR/Library/include/tim.h
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Demo/ARM7_STR71x_IAR/Library/include/tim.h
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/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
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* File Name : tim.h
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* Author : MCD Application Team
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* Date First Issued : 08/09/2003
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* Description : This file contains all the functions prototypes for the
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* TIM software library.
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********************************************************************************
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* History:
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* 30/11/2004 : V2.0
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* 14/07/2004 : V1.3
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* 01/01/2004 : V1.2
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*******************************************************************************
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THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
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CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
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OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
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CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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#ifndef __TIM_H
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#define __TIM_H
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#include "71x_map.h"
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typedef enum { TIM_EXTERNAL,
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TIM_INTERNAL
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} TIM_Clocks;
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typedef enum { TIM_RISING,
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TIM_FALLING
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} TIM_Clock_Edges;
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typedef enum { TIM_CHANNEL_A,
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TIM_CHANNEL_B
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} TIM_Channels;
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typedef enum { TIM_WITH_IT,
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TIM_WITHOUT_IT
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} TIM_IT_Mode;
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typedef enum { TIM_TIMING,
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TIM_WAVE
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} TIM_OC_Modes;
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typedef enum { TIM_HIGH,
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TIM_LOW
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} TIM_Logic_Levels;
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typedef enum { TIM_START,
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TIM_STOP,
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TIM_CLEAR
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} TIM_CounterOperations;
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typedef enum { TIM_ICFA = 0x8000,
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TIM_OCFA = 0x4000,
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TIM_TOF = 0x2000,
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TIM_ICFB = 0x1000,
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TIM_OCFB = 0x0800
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} TIM_Flags;
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typedef struct { u16 Pulse;
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u16 Period;
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} PWMI_parameters;
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#define TIM_ECKEN_Mask 0x0001
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#define TIM_EXEDG_Mask 0x0002
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#define TIM_IEDGA_Mask 0x0004
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#define TIM_IEDGB_Mask 0x0008
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#define TIM_PWM_Mask 0x0010
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#define TIM_OMP_Mask 0x0020
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#define TIM_OCAE_Mask 0x0040
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#define TIM_OCBE_Mask 0x0080
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#define TIM_OLVLA_Mask 0x0100
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#define TIM_OLVLB_Mask 0x0200
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#define TIM_FOLVA_Mask 0x0400
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#define TIM_FOLVB_Mask 0x0800
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#define TIM_PWMI_Mask 0x4000
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#define TIM_EN_Mask 0x8000
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#define TIM_OCBIE_mask 0x0800
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#define TIM_ICBIE_Mask 0x1000
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#define TIM_TOE_Mask 0x2000
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#define TIM_ICAIE_Mask 0x8000
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#define TIM_OCAIE_mask 0x4000
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#define TIM_ICA_IT 0x8000 // Input Capture Channel A
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#define TIM_OCA_IT 0x4000 // Output Compare Channel A
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#define TIM_TO_IT 0x2000 // Timer OverFlow
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#define TIM_ICB_IT 0x1000 // Input Capture Channel B
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#define TIM_OCB_IT 0x0800 // Input Capture Channel A
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/*******************************************************************************
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* Function Name : TIM_Init
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* Description : This routine is used to Initialize the TIM peripheral
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* Input : TIM Timer to Initialize
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* Return : None
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*******************************************************************************/
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void TIM_Init( TIM_TypeDef *TIMx );
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/*******************************************************************************
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* Function Name : TIM_ClockSourceConfig
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* Description : This routine is used to configure the TIM clock source
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* Input : (1) TIM Timer
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* : (2) TIM_Clocks : Specifies the TIM source clock
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* - TIM_INTERNAL : The TIM is clocked by the APB2 frequency
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* divided by the prescaler value.
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* - TIM_EXTERNAL : The TIM is clocked by an external Clock
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* Return : None
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*******************************************************************************/
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inline void TIM_ClockSourceConfig ( TIM_TypeDef *TIMx, TIM_Clocks Xclock )
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{
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if (Xclock==TIM_EXTERNAL) TIMx->CR1|=TIM_ECKEN_Mask; else TIMx->CR1&=~TIM_ECKEN_Mask;
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}
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/*******************************************************************************
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* Function Name : TIM_ClockSourceValue
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* Description : This routine is used to get the TIM clock source
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* Input : TIM Timer
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* Return : TIM_Clocks : Specifies the TIM source clock
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* - TIM_INTERNAL : The TIM is clocked by the APB2 frequency
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* divided by the prescaler value.
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* - TIM_EXTERNAL : The TIM is clocked by an external Clock
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*******************************************************************************/
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inline TIM_Clocks TIM_ClockSourceValue ( TIM_TypeDef *TIMx )
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{
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return ( TIMx->CR1 & TIM_ECKEN_Mask) == 0 ? TIM_INTERNAL : TIM_EXTERNAL;
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}
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/*******************************************************************************
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* Function Name : TIM_PrescalerConfig
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* Description : This routine is used to configure the TIM prescaler value
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* ( using an internal clock )
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* Input : (1) TIM Timer
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* : (2) Prescaler ( u8 )
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* Return : None
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*******************************************************************************/
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inline void TIM_PrescalerConfig ( TIM_TypeDef *TIMx, u8 Xprescaler )
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{
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TIMx->CR2 = ( TIMx->CR2 & 0xFF00 ) | Xprescaler;
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}
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/*******************************************************************************
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* Function Name : TIM_PrescalerValue
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* Description : This routine is used to get the TIM prescaler value
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* ( when using using an internal clock )
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* Input : TIM Timer
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* Return : Prescaler ( u8 )
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*******************************************************************************/
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inline u8 TIM_PrescalerValue ( TIM_TypeDef *TIMx )
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{
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return TIMx->CR2 & 0x00FF;
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}
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/*******************************************************************************
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* Function Name : TIM_ClockLevelConfig
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* Description : This routine is used to configure the TIM clock level
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* ( using an external clock )
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* Input : TIM Timer
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* : TIM_Clock_Edges : Specifies the active adge of the external clock
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* - TIM_RISING : The rising edge
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* - TIM_FALLING : The falling edge
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* Return : None
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*******************************************************************************/
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inline void TIM_ClockLevelConfig ( TIM_TypeDef *TIMx, TIM_Clock_Edges Xedge )
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{
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if (Xedge == TIM_RISING) TIMx->CR1 |= TIM_EXEDG_Mask; else TIMx->CR1 &= ~TIM_EXEDG_Mask;
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}
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/*******************************************************************************
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* Function Name : TIM_ClockLevelValue
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* Description : This routine is used to get the TIM clock level
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* Input : TIM Timer
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* Output : TIM_Clock_Edges : Specifies the active adge of the external clock
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* - TIM_RISING : The rising edge
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* - TIM_FALLING : The falling edge
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*******************************************************************************/
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inline TIM_Clock_Edges TIM_ClockLevelValue ( TIM_TypeDef *TIMx )
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{
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return ( TIMx->CR1 & TIM_EXEDG_Mask ) == 0 ? TIM_FALLING : TIM_RISING;
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}
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/*******************************************************************************
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* Function Name : TIM_ICAPModeConfig
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* Description : This routine is used to configure the input capture feature
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* Input : (1) TIM Timer
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* : (2) Input Capture Channel ( Channel_A or Channel_B )
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* : (3) Active Edge : Rising edge or Falling edge.
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* Output : None
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*******************************************************************************/
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void TIM_ICAPModeConfig ( TIM_TypeDef *TIMx,
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TIM_Channels Xchannel,
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TIM_Clock_Edges Xedge );
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/*******************************************************************************
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* Function Name : TIM_ICAPValue
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* Description : This routine is used to get the Input Capture value
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* Input : (1) TIM Timer
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* : (2) Input Capture Channel ( Channel_A or Channel_B )
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* Output : None
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*******************************************************************************/
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inline u16 TIM_ICAPValue ( TIM_TypeDef *TIMx, TIM_Channels Xchannel )
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{
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return Xchannel == TIM_CHANNEL_A ? TIMx->ICAR : TIMx->ICBR;
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}
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/*******************************************************************************
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* Function Name : TIM_OCMPModeConfig
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* Description : This routine is used to configure the output compare feature
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* Input : (1) TIM Timer
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* : (2) OCMP Channel ( Channel_A or Channel_B )
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* : (3) Pulse Length
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* : (4) OC_Mode : output wave, or only timing.
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* : (5) Level : Rising edge or Falling edge after the ==
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* Output : None
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*******************************************************************************/
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void TIM_OCMPModeConfig ( TIM_TypeDef *TIMx,
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TIM_Channels Xchannel,
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u16 XpulseLength,
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TIM_OC_Modes Xmode,
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TIM_Logic_Levels Xlevel );
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/*******************************************************************************
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* Function Name : TIM_OPModeConfig
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* Description : This routine is used to configure the one pulse mode
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* Input : (1) TIM Timer
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* : (3) XpulseLength : Length of the pulse
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* : (4) Level1 : Level during the pulse
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* : (5) Level2 : Level after the pulse
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* : (6) Activation Edge : High or Low on ICAP A
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* Output : None
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*******************************************************************************/
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void TIM_OPModeConfig ( TIM_TypeDef *TIMx,
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u16 XpulseLength,
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TIM_Logic_Levels XLevel1,
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TIM_Logic_Levels XLevel2,
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TIM_Clock_Edges Xedge );
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/*******************************************************************************
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* Function Name : TIM_PWMOModeConfig
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* Description : This routine is used to configure the PWM in output mode
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* Input : (1) TIM Timer
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* : (2) DutyCycle : u16
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* : (3) Level 1 : During the Duty Cycle
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* : (4) Level 2 : During the after the pulse
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* : (5) Full period : u16
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* Output : None
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*******************************************************************************/
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void TIM_PWMOModeConfig ( TIM_TypeDef *TIMx,
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u16 XDutyCycle,
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TIM_Logic_Levels XLevel1,
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u16 XFullperiod,
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TIM_Logic_Levels XLevel2
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);
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/*******************************************************************************
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* Function Name : TIM_PWMInputConfig
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* Description : This routine is used to configure the PWM in input mode
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* Input : (1) TIM Timer
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* : (2) First Activation Edge
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* Output : None
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*******************************************************************************/
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void TIM_PWMIModeConfig ( TIM_TypeDef *TIMx, TIM_Clock_Edges Xedge );
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/*******************************************************************************
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* Function Name : TIM_PWMIValue
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* Description : This routine is used to get the PWMI values
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* Input : (1) TIM Timer
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* Output : PWMI_parameters : - u16 Dyty cycle
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- u16 Full period
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*******************************************************************************/
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PWMI_parameters TIM_PWMIValue (TIM_TypeDef *TIMx );
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/*******************************************************************************
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* Function Name : TIM_CounterConfig
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* Description : This routine is used to start/stop and clear the selected
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* timer counter
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* Input : (1) TIM Timer
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* : (2) TIM_CounterOperations
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TIM_START Enables or resumes the counter
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* TIM_STOP Stops the TIM counter
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* TIM_CLEAR Set the TIM counter value to FFFCh
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* Output : None
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*******************************************************************************/
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void TIM_CounterConfig ( TIM_TypeDef *TIMx, TIM_CounterOperations Xoperation );
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/*******************************************************************************
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* Function Name : TIM_ITConfig
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* Description : This routine is used to configure the TIM IT
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* Input : (1) TIM Timer
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* : (2) TIM interrupt
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* : (2) ENABLE / DISABLE
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* Output : None
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*******************************************************************************/
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inline void TIM_ITConfig ( TIM_TypeDef *TIMx, u16 New_IT, FunctionalState NewState )
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{
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if (NewState == ENABLE) TIMx->CR2 |= New_IT; else TIMx->CR2 &= ~New_IT;
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}
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/*******************************************************************************
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* Function Name : TIM_FlagStatus
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* Description : This routine is used to check whether a Flag is Set.
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* Input : (1) TIM Timer
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* : (2) The TIM FLag
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* Output : Flag NewState
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*******************************************************************************/
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inline FlagStatus TIM_FlagStatus ( TIM_TypeDef *TIMx, TIM_Flags Xflag )
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{
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return (TIMx->SR & Xflag) == 0 ? RESET : SET;
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}
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/*******************************************************************************
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* Function Name : TIM_FlagClear
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* Description : This routine is used to clear Flags.
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* Input : (1) TIM Timer
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* : (2) The TIM FLag
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* Output : None
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*******************************************************************************/
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inline void TIM_FlagClear ( TIM_TypeDef *TIMx, TIM_Flags Xflag )
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{
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TIMx->SR &= ~Xflag;
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}
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/*******************************************************************************
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* Function Name : TIM_CounterValue
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* Description : This routine returns the timer counter value.
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* Input : TIM Timer
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* Output : The counter value
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*******************************************************************************/
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inline u16 TIM_CounterValue(TIM_TypeDef *TIMx)
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{
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return TIMx->CNTR;
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}
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#endif // __TIM_H
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/******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****/
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