Si4463/Libraries/STM8L15x_StdPeriph_Driver/src/stm8l15x_tim3.c

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/**
******************************************************************************
* @file stm8l15x_tim3.c
* @author MCD Application Team
* @version V1.3.0
* @date 07/14/2010
* @brief This file provides all the TIM3 firmware functions.
******************************************************************************
* @copy
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>
*/
/* Includes ------------------------------------------------------------------*/
#include "stm8l15x_tim3.h"
/** @addtogroup STM8L15x_StdPeriph_Driver
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void TI1_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
uint8_t TIM3_ICFilter);
static void TI2_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
uint8_t TIM3_ICFilter);
/**
* @addtogroup TIM3_Public_Functions
* @{
*/
/**
* @brief Deinitializes the TIM3 peripheral registers to their default reset values.
* @param None
* @retval None
*/
void TIM3_DeInit(void)
{
TIM3->CR1 = TIM_CR1_RESET_VALUE;
TIM3->CR2 = TIM_CR2_RESET_VALUE;
TIM3->SMCR = TIM_SMCR_RESET_VALUE;
TIM3->ETR = TIM_ETR_RESET_VALUE;
TIM3->IER = TIM_IER_RESET_VALUE;
TIM3->SR2 = TIM_SR2_RESET_VALUE;
/* Disable channels */
TIM3->CCER1 = TIM_CCER1_RESET_VALUE;
/* Configure channels as inputs: it is necessary if lock level is equal to 2 or 3 */
TIM3->CCMR1 = 0x01;/* TIM3_ICxSource_TIxFPx */
TIM3->CCMR2 = 0x01;/* TIM3_ICxSource_TIxFPx */
/* Then reset channel registers: it also works if lock level is equal to 2 or 3 */
TIM3->CCER1 = TIM_CCER1_RESET_VALUE;
TIM3->CCMR1 = TIM_CCMR1_RESET_VALUE;
TIM3->CCMR2 = TIM_CCMR2_RESET_VALUE;
TIM3->CNTRH = TIM_CNTRH_RESET_VALUE;
TIM3->CNTRL = TIM_CNTRL_RESET_VALUE;
TIM3->PSCR = TIM_PSCR_RESET_VALUE;
TIM3->ARRH = TIM_ARRH_RESET_VALUE;
TIM3->ARRL = TIM_ARRL_RESET_VALUE;
TIM3->CCR1H = TIM_CCR1H_RESET_VALUE;
TIM3->CCR1L = TIM_CCR1L_RESET_VALUE;
TIM3->CCR2H = TIM_CCR2H_RESET_VALUE;
TIM3->CCR2L = TIM_CCR2L_RESET_VALUE;
TIM3->OISR = TIM_OISR_RESET_VALUE;
TIM3->EGR = 0x01;/*TIM_EGR_UG */
TIM3->BKR = TIM_BKR_RESET_VALUE;
TIM3->SR1 = TIM_SR1_RESET_VALUE;
}
/**
* @brief Initializes the TIM3 Time Base Unit according to the specified parameters.
* @param TIM3_Prescaler : This parameter can be any member of the @Ref TIM3_Prescaler_TypeDef enumeration.
* @param TIM3_CounterMode : This parameter can be any member of the @Ref TIM3_CounterMode_TypeDef enumeration.
* @param TIM3_Period : This parameter must be a value between 0x0000 and 0xFFFF.
* @retval None
*/
void TIM3_TimeBaseInit(TIM3_Prescaler_TypeDef TIM3_Prescaler,
TIM3_CounterMode_TypeDef TIM3_CounterMode,
uint16_t TIM3_Period)
{
assert_param(IS_TIM3_PRESCALER(TIM3_Prescaler));
assert_param(IS_TIM3_COUNTER_MODE(TIM3_CounterMode));
/* Set the Autoreload value */
TIM3->ARRH = (uint8_t)(TIM3_Period >> 8) ;
TIM3->ARRL = (uint8_t)(TIM3_Period);
/* Set the Prescaler value */
TIM3->PSCR = (uint8_t)(TIM3_Prescaler);
/* Select the Counter Mode */
TIM3->CR1 &= (uint8_t)((uint8_t)(~TIM_CR1_CMS)) & ((uint8_t)(~TIM_CR1_DIR));
TIM3->CR1 |= (uint8_t)(TIM3_CounterMode);
}
/**
* @brief Initializes the TIM3 Channel1 according to the specified parameters.
* @param TIM3_OCMode : This parameter can be any member of the @Ref TIM3_OCMode_TypeDef enumeration.
* @param TIM3_OutputState : This parameter can be any member of the @Ref TIM3_OutputState_TypeDef enumeration.
* @param TIM3_Pulse : This parameter must be a value between 0x0000 and 0xFFFF.
* @param TIM3_OCPolarity : This parameter can be any member of the @Ref TIM3_OCPolarity_TypeDef enumeration.
* @param TIM3_OCIdleState : This parameter can be any member of the @Ref TIM3_OCIdleState_TypeDef enumeration.
* @retval None
*/
void TIM3_OC1Init(TIM3_OCMode_TypeDef TIM3_OCMode,
TIM3_OutputState_TypeDef TIM3_OutputState,
uint16_t TIM3_Pulse,
TIM3_OCPolarity_TypeDef TIM3_OCPolarity,
TIM3_OCIdleState_TypeDef TIM3_OCIdleState)
{
uint8_t tmpccmr1 = 0;
/* Check the parameters */
assert_param(IS_TIM3_OC_MODE(TIM3_OCMode));
assert_param(IS_TIM3_OUTPUT_STATE(TIM3_OutputState));
assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));
assert_param(IS_TIM3_OCIDLE_STATE(TIM3_OCIdleState));
tmpccmr1 = TIM3->CCMR1;
/* Disable the Channel 1: Reset the CCE Bit */
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);
/* Reset the Output Compare Bits */
tmpccmr1 &= (uint8_t)(~TIM_CCMR_OCM);
/* Set the Ouput Compare Mode */
tmpccmr1 |= (uint8_t)TIM3_OCMode;
TIM3->CCMR1 = tmpccmr1;
/* Set the Output State */
if (TIM3_OutputState == TIM3_OutputState_Enable)
{
TIM3->CCER1 |= TIM_CCER1_CC1E;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);
}
/* Set the Output Polarity */
if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
{
TIM3->CCER1 |= TIM_CCER1_CC1P;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P);
}
/* Set the Output Idle state */
if (TIM3_OCIdleState == TIM3_OCIdleState_Set)
{
TIM3->OISR |= TIM_OISR_OIS1;
}
else
{
TIM3->OISR &= (uint8_t)(~TIM_OISR_OIS1);
}
/* Set the Pulse value */
TIM3->CCR1H = (uint8_t)(TIM3_Pulse >> 8);
TIM3->CCR1L = (uint8_t)(TIM3_Pulse);
}
/**
* @brief Initializes the TIM3 Channel2 according to the specified parameters.
* @param TIM3_OCMode : This parameter can be any member of the @Ref TIM3_OCMode_TypeDef enumeration.
* @param TIM3_OutputState : This parameter can be any member of the @Ref TIM3_OutputState_TypeDef enumeration.
* @param TIM3_Pulse : This parameter must be a value between 0x0000 and 0xFFFF.
* @param TIM3_OCPolarity : This parameter can be any member of the @Ref TIM3_OCPolarity_TypeDef enumeration.
* @param TIM3_OCIdleState : This parameter can be any member of the @Ref TIM3_OCIdleState_TypeDef enumeration.
* @retval None
*/
void TIM3_OC2Init(TIM3_OCMode_TypeDef TIM3_OCMode,
TIM3_OutputState_TypeDef TIM3_OutputState,
uint16_t TIM3_Pulse,
TIM3_OCPolarity_TypeDef TIM3_OCPolarity,
TIM3_OCIdleState_TypeDef TIM3_OCIdleState)
{
uint8_t tmpccmr2 = 0;
/* Check the parameters */
assert_param(IS_TIM3_OC_MODE(TIM3_OCMode));
assert_param(IS_TIM3_OUTPUT_STATE(TIM3_OutputState));
assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));
assert_param(IS_TIM3_OCIDLE_STATE(TIM3_OCIdleState));
tmpccmr2 = TIM3->CCMR2;
/* Disable the Channel 2: Reset the CCE Bit */
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);
/* Reset the Output Compare Bits */
tmpccmr2 &= (uint8_t)(~TIM_CCMR_OCM);
/* Set the Ouput Compare Mode */
tmpccmr2 |= (uint8_t)TIM3_OCMode;
TIM3->CCMR2 = tmpccmr2;
/* Set the Output State */
if (TIM3_OutputState == TIM3_OutputState_Enable)
{
TIM3->CCER1 |= TIM_CCER1_CC2E;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);
}
/* Set the Output Polarity */
if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
{
TIM3->CCER1 |= TIM_CCER1_CC2P;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P);
}
/* Set the Output Idle state */
if (TIM3_OCIdleState == TIM3_OCIdleState_Set)
{
TIM3->OISR |= TIM_OISR_OIS2;
}
else
{
TIM3->OISR &= (uint8_t)(~TIM_OISR_OIS2);
}
/* Set the Pulse value */
TIM3->CCR2H = (uint8_t)(TIM3_Pulse >> 8);
TIM3->CCR2L = (uint8_t)(TIM3_Pulse);
}
/**
* @brief Configures the Break feature, dead time, Lock level, the OSSI,
* and the AOE(automatic output enable).
* @param TIM3_OSSIState : Off-State Selection for Idle mode states.
* This parameter can be any member of the @Ref TIM3_OSSIState_TypeDef enumeration.
* @param TIM3_LockLevel : Lock level.
* This parameter can be any member of the @Ref TIM3_LockLevel_TypeDef enumeration.
* @param TIM3_BreakState : Break Input enable/disable .
* This parameter can be any member of the @Ref TIM3_BreakState_TypeDef enumeration.
* @param TIM3_BreakPolarity : Break Polarity.
* This parameter can be any member of the @Ref TIM3_BreakPolarity_TypeDef enumeration.
* @param TIM3_AutomaticOutput : TIM3 AOE Bit Set/Reset .
* This parameter can be anymember of the @Ref TIM3_AutomaticOutput_TypeDef enumeration.
* @retval None
*/
void TIM3_BKRConfig(TIM3_OSSIState_TypeDef TIM3_OSSIState,
TIM3_LockLevel_TypeDef TIM3_LockLevel,
TIM3_BreakState_TypeDef TIM3_BreakState,
TIM3_BreakPolarity_TypeDef TIM3_BreakPolarity,
TIM3_AutomaticOutput_TypeDef TIM3_AutomaticOutput)
{
/* Check the parameters */
assert_param(IS_TIM3_OSSI_STATE(TIM3_OSSIState));
assert_param(IS_TIM3_LOCK_LEVEL(TIM3_LockLevel));
assert_param(IS_TIM3_BREAK_STATE(TIM3_BreakState));
assert_param(IS_TIM3_BREAK_POLARITY(TIM3_BreakPolarity));
assert_param(IS_TIM3_AUTOMATIC_OUTPUT_STATE(TIM3_AutomaticOutput));
/* Set the Lock level, the Break enable Bit and the Ploarity, the OSSI State,
the dead time value and the Automatic Output Enable Bit */
TIM3->BKR = (uint8_t)((uint8_t)((uint8_t)((uint8_t)((uint8_t)TIM3_OSSIState | (uint8_t)TIM3_LockLevel) | \
(uint8_t)((uint8_t)TIM3_BreakState | (uint8_t)TIM3_BreakPolarity)) | \
TIM3_AutomaticOutput));
}
/**
* @brief Initializes the TIM3 peripheral according to the specified parameters.
* @param TIM3_Channel : This parameter can be any member of the @Ref TIM3_Channel_TypeDef enumeration.
* @param TIM3_ICPolarity : This parameter can be any member of the @Ref TIM3_ICPolarity_TypeDef enumeration.
* @param TIM3_ICSelection : This parameter can be any member of the @Ref TIM3_ICSelection_TypeDef enumeration.
* @param TIM3_ICPrescaler : This parameter can be any member of the @Ref TIM3_ICPSC_TypeDef enumeration.
* @param TIM3_ICFilter : This parameter must be a value between 0x00 and 0x0F.
* @retval None
*/
void TIM3_ICInit(TIM3_Channel_TypeDef TIM3_Channel,
TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
TIM3_ICPSC_TypeDef TIM3_ICPrescaler,
uint8_t TIM3_ICFilter)
{
/* Check the parameters */
assert_param(IS_TIM3_CHANNEL(TIM3_Channel));
if (TIM3_Channel == TIM3_Channel_1)
{
/* TI1 Configuration */
TI1_Config(TIM3_ICPolarity, TIM3_ICSelection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
}
else /* if (TIM3_Channel == TIM3_Channel_2) */
{
/* TI2 Configuration */
TI2_Config(TIM3_ICPolarity, TIM3_ICSelection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
}
}
/**
* @brief Configures the TIM3 peripheral in PWM Input Mode according to the
* specified parameters.
* @param TIM3_Channel : This parameter can be any member of the @Ref TIM3_Channel_TypeDef enumeration.
* @param TIM3_ICPolarity : This parameter can be any member of the @Ref TIM3_ICPolarity_TypeDef enumeration.
* @param TIM3_ICSelection : This parameter can be any member of the @Ref TIM3_ICSelection_TypeDef enumeration.
* @param TIM3_ICPrescaler : This parameter can be any member of the @Ref TIM3_ICPSC_TypeDef enumeration.
* @param TIM3_ICFilter : This parameter must be a value between 0x00 and 0x0F.
* @retval None
*/
void TIM3_PWMIConfig(TIM3_Channel_TypeDef TIM3_Channel,
TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
TIM3_ICPSC_TypeDef TIM3_ICPrescaler,
uint8_t TIM3_ICFilter)
{
uint8_t icpolarity = TIM3_ICPolarity_Rising;
uint8_t icselection = TIM3_ICSelection_DirectTI;
/* Check the parameters */
assert_param(IS_TIM3_CHANNEL(TIM3_Channel));
/* Select the Opposite Input Polarity */
if (TIM3_ICPolarity == TIM3_ICPolarity_Rising)
{
icpolarity = TIM3_ICPolarity_Falling;
}
else
{
icpolarity = TIM3_ICPolarity_Rising;
}
/* Select the Opposite Input */
if (TIM3_ICSelection == TIM3_ICSelection_DirectTI)
{
icselection = TIM3_ICSelection_IndirectTI;
}
else
{
icselection = TIM3_ICSelection_DirectTI;
}
if (TIM3_Channel == TIM3_Channel_1)
{
/* TI1 Configuration */
TI1_Config(TIM3_ICPolarity, TIM3_ICSelection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
/* TI2 Configuration */
TI2_Config((TIM3_ICPolarity_TypeDef)icpolarity, (TIM3_ICSelection_TypeDef)icselection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
}
else
{
/* TI2 Configuration */
TI2_Config(TIM3_ICPolarity, TIM3_ICSelection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC2Prescaler(TIM3_ICPrescaler);
/* TI1 Configuration */
TI1_Config((TIM3_ICPolarity_TypeDef)icpolarity, (TIM3_ICSelection_TypeDef)icselection, TIM3_ICFilter);
/* Set the Input Capture Prescaler value */
TIM3_SetIC1Prescaler(TIM3_ICPrescaler);
}
}
/**
* @brief Enables or disables the TIM3 peripheral.
* @param NewState : The new state of the TIM3 peripheral.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_Cmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* set or Reset the CEN Bit */
if (NewState != DISABLE)
{
TIM3->CR1 |= TIM_CR1_CEN;
}
else
{
TIM3->CR1 &= (uint8_t)(~TIM_CR1_CEN);
}
}
/**
* @brief Enables or disables the TIM3 peripheral Main Outputs.
* @param NewState : The new state of the TIM3 peripheral.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_CtrlPWMOutputs(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the MOE Bit */
if (NewState != DISABLE)
{
TIM3->BKR |= TIM_BKR_MOE ;
}
else
{
TIM3->BKR &= (uint8_t)(~TIM_BKR_MOE) ;
}
}
/**
* @brief Enables or disables the specified TIM3 interrupts.
* @param TIM3_IT : Specifies the TIM3 interrupts sources to be enabled or disabled.
* This parameter can be any combination of the @ref TIM3_IT_TypeDef enumeration.
* @param NewState : The new state of the TIM3 peripheral.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_ITConfig(TIM3_IT_TypeDef TIM3_IT, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_TIM3_IT(TIM3_IT));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the Interrupt sources */
TIM3->IER |= (uint8_t)TIM3_IT;
}
else
{
/* Disable the Interrupt sources */
TIM3->IER &= (uint8_t)(~(uint8_t)TIM3_IT);
}
}
/**
* @brief Enables or disables the TIMx<4D>s DMA Requests.
* @param TIM3_DMASources: specifies the DMA Request sources.
* This parameter can be any combination of the @ref TIM3_DMASource_TypeDef enumeration.
* @param NewState: new state of the DMA Request sources. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void TIM3_DMACmd(TIM3_DMASource_TypeDef TIM3_DMASource, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
assert_param(IS_TIM3_DMA_SOURCE(TIM3_DMASource));
if (NewState != DISABLE)
{
/* Enable the DMA sources */
TIM3->DER |= (uint8_t)TIM3_DMASource;
}
else
{
/* Disable the DMA sources */
TIM3->DER &= (uint8_t)~TIM3_DMASource;
}
}
/**
* @brief Enables the TIM3 internal Clock.
* @par Parameters:
* None
* @retval None
*/
void TIM3_InternalClockConfig(void)
{
/* Disable slave mode to clock the prescaler directly with the internal clock */
TIM3->SMCR &= (uint8_t)(~TIM_SMCR_SMS);
}
/**
* @brief Configures the TIM3 External clock Mode1.
* @param TIM3_ExtTRGPrescaler : Specifies the external Trigger Prescaler.
* This parameter can be one of @ref TIM3_ExtTRGPSC_TypeDef enumeration.
* @param TIM3_ExtTRGPolarity : Specifies the external Trigger Polarity.
* This parameter can be one of @ref TIM3_ExtTRGPolarity_TypeDef enumeration.
* @param ExtTRGFilter : Specifies the External Trigger Filter.
* This parameter must be a value between 0x00 and 0x0F
* @retval None
*/
void TIM3_ETRClockMode1Config(TIM3_ExtTRGPSC_TypeDef TIM3_ExtTRGPrescaler,
TIM3_ExtTRGPolarity_TypeDef TIM3_ExtTRGPolarity,
uint8_t ExtTRGFilter)
{
/* Configure the ETR Clock source */
TIM3_ETRConfig(TIM3_ExtTRGPrescaler, TIM3_ExtTRGPolarity, ExtTRGFilter);
/* Select the External clock mode1 */
TIM3->SMCR &= (uint8_t)(~TIM_SMCR_SMS);
TIM3->SMCR |= (uint8_t)(TIM3_SlaveMode_External1);
/* Select the Trigger selection : ETRF */
TIM3->SMCR &= (uint8_t)(~TIM_SMCR_TS);
TIM3->SMCR |= (uint8_t)((TIM3_TRGSelection_TypeDef)TIM3_TRGSelection_ETRF);
}
/**
* @brief Configures the TIM3 External clock Mode2.
* @param TIM3_ExtTRGPrescaler : Specifies the external Trigger Prescaler.
* This parameter can be one of the @ref TIM3_ExtTRGPSC_TypeDef enumeration.
* @param TIM3_ExtTRGPolarity : Specifies the external Trigger Polarity.
* This parameter can be one of the @ref TIM3_ExtTRGPolarity_TypeDef enumeration.
* @param ExtTRGFilter : Specifies the External Trigger Filter.
* This parameter must be a value between 0x00 and 0x0F
* @retval None
*/
void TIM3_ETRClockMode2Config(TIM3_ExtTRGPSC_TypeDef TIM3_ExtTRGPrescaler,
TIM3_ExtTRGPolarity_TypeDef TIM3_ExtTRGPolarity,
uint8_t ExtTRGFilter)
{
/* Configure the ETR Clock source */
TIM3_ETRConfig(TIM3_ExtTRGPrescaler, TIM3_ExtTRGPolarity, ExtTRGFilter);
/* Enable the External clock mode2 */
TIM3->ETR |= TIM_ETR_ECE ;
}
/**
* @brief Configures the TIM3 External Trigger.
* @param TIM3_ExtTRGPrescaler : Specifies the external Trigger Prescaler.
* This parameter can be one of the @ref TIM3_ExtTRGPSC_TypeDef enumeration.
* @param TIM3_ExtTRGPolarity : Specifies the external Trigger Polarity.
* This parameter can be one of the @ref TIM3_ExtTRGPolarity_TypeDef enumeration.
* @param ExtTRGFilter : Specifies the External Trigger Filter.
* This parameter must be a value between 0x00 and 0x0F
* @retval None
*/
void TIM3_ETRConfig(TIM3_ExtTRGPSC_TypeDef TIM3_ExtTRGPrescaler,
TIM3_ExtTRGPolarity_TypeDef TIM3_ExtTRGPolarity,
uint8_t ExtTRGFilter)
{
/* Check the parameters */
assert_param(IS_TIM3_EXT_PRESCALER(TIM3_ExtTRGPrescaler));
assert_param(IS_TIM3_EXT_POLARITY(TIM3_ExtTRGPolarity));
assert_param(IS_TIM3_EXT_FILTER(ExtTRGFilter));
/* Set the Prescaler, the Filter value and the Polarity */
TIM3->ETR |= (uint8_t)((uint8_t)(TIM3_ExtTRGPrescaler
| (uint8_t)TIM3_ExtTRGPolarity ) | (uint8_t)ExtTRGFilter);
}
/**
* @brief Configures the TIM3 Trigger as External Clock.
* @param TIM3_TIxExternalCLKSource : Specifies Trigger source.
* This parameter can be one of the @ref TIM3_TIxExternalCLK1Source_TypeDef enumeration.
* @param TIM3_ICPolarity : Specifies the TIx Polarity.
* This parameter can be @ref TIM3_ICPolarity_TypeDef enumeration.
* @param ICFilter : Specifies the filter value.
* This parameter must be a value between 0x00 and 0x0F
* @retval None
*/
void TIM3_TIxExternalClockConfig(TIM3_TIxExternalCLK1Source_TypeDef TIM3_TIxExternalCLKSource,
TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
uint8_t ICFilter)
{
/* Check the parameters */
assert_param(IS_TIM3_TIXCLK_SOURCE(TIM3_TIxExternalCLKSource));
assert_param(IS_TIM3_IC_POLARITY(TIM3_ICPolarity));
assert_param(IS_TIM3_IC_FILTER(ICFilter));
/* Configure the TIM3 Input Clock Source */
if (TIM3_TIxExternalCLKSource == TIM3_TIxExternalCLK1Source_TI2)
{
TI2_Config(TIM3_ICPolarity, TIM3_ICSelection_DirectTI, ICFilter);
}
else
{
TI1_Config(TIM3_ICPolarity, TIM3_ICSelection_DirectTI, ICFilter);
}
/* Select the Trigger source */
TIM3_SelectInputTrigger((TIM3_TRGSelection_TypeDef)TIM3_TIxExternalCLKSource);
/* Select the External clock mode1 */
TIM3->SMCR |= (uint8_t)(TIM3_SlaveMode_External1);
}
/**
* @brief Selects the TIM3 Input Trigger source.
* @param TIM3_InputTriggerSource : Specifies Input Trigger source.
* This parameter can be one of the @ref TIM3_TRGSelection_TypeDef enumeration.
* @retval None
*/
void TIM3_SelectInputTrigger(TIM3_TRGSelection_TypeDef TIM3_InputTriggerSource)
{
uint8_t tmpsmcr = 0;
/* Check the parameters */
assert_param(IS_TIM3_TRIGGER_SELECTION(TIM3_InputTriggerSource));
tmpsmcr = TIM3->SMCR;
/* Select the Tgigger Source */
tmpsmcr &= (uint8_t)(~TIM_SMCR_TS);
tmpsmcr |= (uint8_t)TIM3_InputTriggerSource;
TIM3->SMCR = (uint8_t)tmpsmcr;
}
/**
* @brief Enables or Disables the TIM3 Update event.
* @param NewState : The new state of the TIM3 peripheral Preload register.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_UpdateDisableConfig(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the UDIS Bit */
if (NewState != DISABLE)
{
TIM3->CR1 |= TIM_CR1_UDIS;
}
else
{
TIM3->CR1 &= (uint8_t)(~TIM_CR1_UDIS);
}
}
/**
* @brief Selects the TIM3 Update Request Interrupt source.
* @param TIM3_UpdateSource : Specifies the Update source.
* This parameter can be one of the @ref TIM3_UpdateSource_TypeDef enumeration.
* @retval None
*/
void TIM3_UpdateRequestConfig(TIM3_UpdateSource_TypeDef TIM3_UpdateSource)
{
/* Check the parameters */
assert_param(IS_TIM3_UPDATE_SOURCE(TIM3_UpdateSource));
/* Set or Reset the URS Bit */
if (TIM3_UpdateSource == TIM3_UpdateSource_Regular)
{
TIM3->CR1 |= TIM_CR1_URS ;
}
else
{
TIM3->CR1 &= (uint8_t)(~TIM_CR1_URS);
}
}
/**
* @brief Enables or Disables the TIM<49>s Hall sensor interface.
* @param NewState : The new state of the TIM3 Hall sensor interface.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_SelectHallSensor(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the TI1S Bit */
if (NewState != DISABLE)
{
TIM3->CR2 |= TIM_CR2_TI1S;
}
else
{
TIM3->CR2 &= (uint8_t)(~TIM_CR2_TI1S);
}
}
/**
* @brief Selects the TIM<49>s One Pulse Mode.
* @param TIM3_OPMode : Specifies the OPM Mode to be used.
* This parameter can be one of the @ref TIM3_OPMode_TypeDef enumeration.
* @retval None
*/
void TIM3_SelectOnePulseMode(TIM3_OPMode_TypeDef TIM3_OPMode)
{
/* Check the parameters */
assert_param(IS_TIM3_OPM_MODE(TIM3_OPMode));
/* Set or Reset the OPM Bit */
if (TIM3_OPMode == TIM3_OPMode_Single)
{
TIM3->CR1 |= TIM_CR1_OPM ;
}
else
{
TIM3->CR1 &= (uint8_t)(~TIM_CR1_OPM);
}
}
/**
* @brief Selects the TIM3 Trigger Output Mode.
* @param TIM3_TRGOSource : Specifies the Trigger Output source.
* This parameter can be one of the @ref TIM3_TRGOSource_TypeDef enumeration.
* @retval None
*/
void TIM3_SelectOutputTrigger(TIM3_TRGOSource_TypeDef TIM3_TRGOSource)
{
uint8_t tmpcr2 = 0;
/* Check the parameters */
assert_param(IS_TIM3_TRGO_SOURCE(TIM3_TRGOSource));
tmpcr2 = TIM3->CR2;
/* Reset the MMS Bits */
tmpcr2 &= (uint8_t)(~TIM_CR2_MMS);
/* Select the TRGO source */
tmpcr2 |= (uint8_t)TIM3_TRGOSource;
TIM3->CR2 = tmpcr2;
}
/**
* @brief Selects the TIM3 Slave Mode.
* @param TIM3_SlaveMode : Specifies the TIM3 Slave Mode.
* This parameter can be one of the @ref TIM3_SlaveMode_TypeDef enumeration.
* @retval None
*/
void TIM3_SelectSlaveMode(TIM3_SlaveMode_TypeDef TIM3_SlaveMode)
{
uint8_t tmpsmcr = 0;
/* Check the parameters */
assert_param(IS_TIM3_SLAVE_MODE(TIM3_SlaveMode));
tmpsmcr = TIM3->SMCR;
/* Reset the SMS Bits */
tmpsmcr &= (uint8_t)(~TIM_SMCR_SMS);
/* Select the Slave Mode */
tmpsmcr |= (uint8_t)TIM3_SlaveMode;
TIM3->SMCR = tmpsmcr;
}
/**
* @brief Sets or Resets the TIM3 Master/Slave Mode.
* @param NewState : The new state of the synchronization between TIM3 and its slaves (through TRGO).
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_SelectMasterSlaveMode(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the MSM Bit */
if (NewState != DISABLE)
{
TIM3->SMCR |= TIM_SMCR_MSM;
}
else
{
TIM3->SMCR &= (uint8_t)(~TIM_SMCR_MSM);
}
}
/**
* @brief Configures the TIM3 Encoder Interface.
* @param TIM3_EncoderMode : Specifies the TIM3 Encoder Mode.
* This parameter can be one of the @ref TIM3_EncoderMode_TypeDef enumeration.
* @param TIM3_IC1Polarity : Specifies the IC1 Polarity.
* This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
* @param TIM3_IC2Polarity : Specifies the IC2 Polarity.
* This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
* @retval None
*/
void TIM3_EncoderInterfaceConfig(TIM3_EncoderMode_TypeDef TIM3_EncoderMode,
TIM3_ICPolarity_TypeDef TIM3_IC1Polarity,
TIM3_ICPolarity_TypeDef TIM3_IC2Polarity)
{
uint8_t tmpsmcr = 0;
uint8_t tmpccmr1 = 0;
uint8_t tmpccmr2 = 0;
/* Check the parameters */
assert_param(IS_TIM3_ENCODER_MODE(TIM3_EncoderMode));
assert_param(IS_TIM3_IC_POLARITY(TIM3_IC1Polarity));
assert_param(IS_TIM3_IC_POLARITY(TIM3_IC2Polarity));
tmpsmcr = TIM3->SMCR;
tmpccmr1 = TIM3->CCMR1;
tmpccmr2 = TIM3->CCMR2;
/* Set the encoder Mode */
tmpsmcr &= (uint8_t)(TIM_SMCR_MSM | TIM_SMCR_TS) ;
tmpsmcr |= (uint8_t)TIM3_EncoderMode;
/* Select the Capture Compare 1 and the Capture Compare 2 as input */
tmpccmr1 &= (uint8_t)(~TIM_CCMR_CCxS);
tmpccmr2 &= (uint8_t)(~TIM_CCMR_CCxS);
tmpccmr1 |= TIM_CCMR_TIxDirect_Set;
tmpccmr2 |= TIM_CCMR_TIxDirect_Set;
/* Set the TI1 and the TI2 Polarities */
if (TIM3_IC1Polarity == TIM3_ICPolarity_Falling)
{
TIM3->CCER1 |= TIM_CCER1_CC1P ;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P) ;
}
if (TIM3_IC2Polarity == TIM3_ICPolarity_Falling)
{
TIM3->CCER1 |= TIM_CCER1_CC2P ;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P) ;
}
TIM3->SMCR = tmpsmcr;
TIM3->CCMR1 = tmpccmr1;
TIM3->CCMR2 = tmpccmr2;
}
/**
* @brief Configures the TIM3 Prescaler.
* @param Prescaler : Specifies the Prescaler Register value
* This parameter can be one of the @ref TIM3_Prescaler_TypeDef enumeration.
* @param TIM3_PSCReloadMode : Specifies the TIM3 Prescaler Reload mode.
* This parameter can be one of the @ref TIM3_PSCReloadMode_TypeDef enumeration.
* @retval None
*/
void TIM3_PrescalerConfig(TIM3_Prescaler_TypeDef Prescaler,
TIM3_PSCReloadMode_TypeDef TIM3_PSCReloadMode)
{
/* Check the parameters */
assert_param(IS_TIM3_PRESCALER(Prescaler));
assert_param(IS_TIM3_PRESCALER_RELOAD(TIM3_PSCReloadMode));
/* Set the Prescaler value */
TIM3->PSCR = (uint8_t)(Prescaler);
/* Set or reset the UG Bit */
if (TIM3_PSCReloadMode == TIM3_PSCReloadMode_Immediate)
{
TIM3->EGR |= TIM_EGR_UG ;
}
else
{
TIM3->EGR &= (uint8_t)(~TIM_EGR_UG) ;
}
}
/**
* @brief Specifies the TIM3 Counter Mode to be used.
* @param TIM3_CounterMode : Specifies the Counter Mode to be used
* This parameter can be one of the @ref TIM3_CounterMode_TypeDef enumeration.
* @retval None
*/
void TIM3_CounterModeConfig(TIM3_CounterMode_TypeDef TIM3_CounterMode)
{
uint8_t tmpcr1 = 0;
/* Check the parameters */
assert_param(IS_TIM3_COUNTER_MODE(TIM3_CounterMode));
tmpcr1 = TIM3->CR1;
/* Reset the CMS and DIR Bits */
tmpcr1 &= (uint8_t)((uint8_t)(~TIM_CR1_CMS) & (uint8_t)(~TIM_CR1_DIR));
/* Set the Counter Mode */
tmpcr1 |= (uint8_t)TIM3_CounterMode;
TIM3->CR1 = tmpcr1;
}
/**
* @brief Forces the TIM3 Channel1 output waveform to active or inactive level.
* @param TIM3_ForcedAction : Specifies the forced Action to be set to the output waveform.
* This parameter can be one of the @ref TIM3_ForcedAction_TypeDef enumeration.
* @retval None
*/
void TIM3_ForcedOC1Config(TIM3_ForcedAction_TypeDef TIM3_ForcedAction)
{
uint8_t tmpccmr1 = 0;
/* Check the parameters */
assert_param(IS_TIM3_FORCED_ACTION(TIM3_ForcedAction));
tmpccmr1 = TIM3->CCMR1;
/* Reset the OCM Bits */
tmpccmr1 &= (uint8_t)(~TIM_CCMR_OCM);
/* Configure The Forced output Mode */
tmpccmr1 |= (uint8_t)TIM3_ForcedAction;
TIM3->CCMR1 = tmpccmr1;
}
/**
* @brief Forces the TIM3 Channel2 output waveform to active or inactive level.
* @param TIM3_ForcedAction : Specifies the forced Action to be set to the output waveform.
* This parameter can be one of the @ref TIM3_ForcedAction_TypeDef enumeration.
* @retval None
*/
void TIM3_ForcedOC2Config(TIM3_ForcedAction_TypeDef TIM3_ForcedAction)
{
uint8_t tmpccmr2 = 0;
/* Check the parameters */
assert_param(IS_TIM3_FORCED_ACTION(TIM3_ForcedAction));
tmpccmr2 = TIM3->CCMR2;
/* Reset the OCM Bits */
tmpccmr2 &= (uint8_t)(~TIM_CCMR_OCM);
/* Configure The Forced output Mode */
tmpccmr2 |= (uint8_t)TIM3_ForcedAction;
TIM3->CCMR2 = tmpccmr2;
}
/**
* @brief Enables or disables TIM3 peripheral Preload register on ARR.
* @param NewState : The new state of the TIM3 peripheral Preload register.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_ARRPreloadConfig(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the ARPE Bit */
if (NewState != DISABLE)
{
TIM3->CR1 |= TIM_CR1_ARPE;
}
else
{
TIM3->CR1 &= (uint8_t)(~TIM_CR1_ARPE);
}
}
/**
* @brief Enables or disables the TIM3 peripheral Preload Register on CCR1.
* @param NewState : new state of the Capture Compare Preload register.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_OC1PreloadConfig(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the OC1PE Bit */
if (NewState != DISABLE)
{
TIM3->CCMR1 |= TIM_CCMR_OCxPE ;
}
else
{
TIM3->CCMR1 &= (uint8_t)(~TIM_CCMR_OCxPE) ;
}
}
/**
* @brief Enables or disables the TIM3 peripheral Preload Register on CCR2.
* @param NewState : The new state of the Capture Compare Preload register.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_OC2PreloadConfig(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the OC2PE Bit */
if (NewState != DISABLE)
{
TIM3->CCMR2 |= TIM_CCMR_OCxPE ;
}
else
{
TIM3->CCMR2 &= (uint8_t)(~TIM_CCMR_OCxPE) ;
}
}
/**
* @brief Configures the TIM3 Capture Compare 1 Fast feature.
* @param NewState : The new state of the Output Compare Fast Enable bit.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_OC1FastCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the OC1FE Bit */
if (NewState != DISABLE)
{
TIM3->CCMR1 |= TIM_CCMR_OCxFE ;
}
else
{
TIM3->CCMR1 &= (uint8_t)(~TIM_CCMR_OCxFE) ;
}
}
/**
* @brief Configures the TIM3 Capture Compare 2 Fast feature.
* @param NewState : The new state of the Output Compare Fast Enable bit.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_OC2FastCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
/* Set or Reset the OC2FE Bit */
if (NewState != DISABLE)
{
TIM3->CCMR2 |= TIM_CCMR_OCxFE ;
}
else
{
TIM3->CCMR2 &= (uint8_t)(~TIM_CCMR_OCxFE) ;
}
}
/**
* @brief Configures the TIM3 event to be generated by software.
* @param TIM3_EventSource : Specifies the event source.
* This parameter can be one of the @ref TIM3_EventSource_TypeDef enumeration.
* @retval None
*/
void TIM3_GenerateEvent(TIM3_EventSource_TypeDef TIM3_EventSource)
{
/* Check the parameters */
assert_param(IS_TIM3_EVENT_SOURCE((uint8_t)TIM3_EventSource));
/* Set the event sources */
TIM3->EGR |= (uint8_t)TIM3_EventSource;
}
/**
* @brief Configures the TIM3 Channel 1 polarity.
* @param TIM3_OCPolarity : Specifies the OC1 Polarity.
* This parameter can be one of the @ref TIM3_OCPolarity_TypeDef enumeration.
* @retval None
*/
void TIM3_OC1PolarityConfig(TIM3_OCPolarity_TypeDef TIM3_OCPolarity)
{
/* Check the parameters */
assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));
/* Set or Reset the CC1P Bit */
if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
{
TIM3->CCER1 |= TIM_CCER1_CC1P ;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P) ;
}
}
/**
* @brief Configures the TIM3 Channel 2 polarity.
* @param TIM3_OCPolarity : Specifies the OC2 Polarity.
* This parameter can be one of the @ref TIM3_OCPolarity_TypeDef enumeration.
* @retval None
*/
void TIM3_OC2PolarityConfig(TIM3_OCPolarity_TypeDef TIM3_OCPolarity)
{
/* Check the parameters */
assert_param(IS_TIM3_OC_POLARITY(TIM3_OCPolarity));
/* Set or Reset the CC2P Bit */
if (TIM3_OCPolarity == TIM3_OCPolarity_Low)
{
TIM3->CCER1 |= TIM_CCER1_CC2P ;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P) ;
}
}
/**
* @brief Enables or disables the TIM3 Capture Compare Channel x.
* @param TIM3_Channel : Specifies the TIM3 Channel.
* This parameter can be one of @ref TIM3_Channel_TypeDef enumeration.
* @param NewState : specifies the TIM3 Channel CCxE bit new state.
* This parameter can be any of the @ref FunctionalState enumeration.
* @retval None
*/
void TIM3_CCxCmd(TIM3_Channel_TypeDef TIM3_Channel, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_TIM3_CHANNEL(TIM3_Channel));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (TIM3_Channel == TIM3_Channel_1)
{
/* Set or Reset the CC1E Bit */
if (NewState != DISABLE)
{
TIM3->CCER1 |= TIM_CCER1_CC1E ;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E) ;
}
}
else /* if (TIM3_Channel == TIM3_Channel_2) */
{
/* Set or Reset the CC2E Bit */
if (NewState != DISABLE)
{
TIM3->CCER1 |= TIM_CCER1_CC2E;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E) ;
}
}
}
/**
* @brief Selects the TIM3 Ouput Compare Mode. This function disables the
* selected channel before changing the Ouput Compare Mode. User has to
* enable this channel using TIM3_CCxCmd and TIM3_CCxNCmd functions.
* @param TIM3_Channel : Specifies the TIM3 Channel.
* This parameter can be one of the @ref TIM3_Channel_TypeDef enumeration
* @param TIM3_OCMode : Specifies the TIM3 Output Compare Mode.
* This paramter can be one of the @ref TIM3_OCMode_TypeDef enumeration.
* @retval None
*/
void TIM3_SelectOCxM(TIM3_Channel_TypeDef TIM3_Channel,
TIM3_OCMode_TypeDef TIM3_OCMode)
{
/* Check the parameters */
assert_param(IS_TIM3_CHANNEL(TIM3_Channel));
assert_param(IS_TIM3_OCM(TIM3_OCMode));
if (TIM3_Channel == TIM3_Channel_1)
{
/* Disable the Channel 1: Reset the CCE Bit */
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);
/* Reset the Output Compare Bits */
TIM3->CCMR1 &= (uint8_t)(~TIM_CCMR_OCM);
/* Set the Ouput Compare Mode */
TIM3->CCMR1 |= (uint8_t)TIM3_OCMode;
}
else /* if (TIM3_Channel == TIM3_Channel_2) */
{
/* Disable the Channel 2: Reset the CCE Bit */
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);
/* Reset the Output Compare Bits */
TIM3->CCMR2 &= (uint8_t)(~TIM_CCMR_OCM);
/* Set the Ouput Compare Mode */
TIM3->CCMR2 |= (uint8_t)TIM3_OCMode;
}
}
/**
* @brief Sets the TIM3 Counter Register value.
* @param Counter : Specifies the Counter register new value.
* This parameter is between 0x0000 and 0xFFFF.
* @retval None
*/
void TIM3_SetCounter(uint16_t Counter)
{
/* Set the Counter Register value */
TIM3->CNTRH = (uint8_t)(Counter >> 8);
TIM3->CNTRL = (uint8_t)(Counter);
}
/**
* @brief Sets the TIM3 Autoreload Register value.
* @param Autoreload : Specifies the Autoreload register new value.
* This parameter is between 0x0000 and 0xFFFF.
* @retval None
*/
void TIM3_SetAutoreload(uint16_t Autoreload)
{
/* Set the Autoreload Register value */
TIM3->ARRH = (uint8_t)(Autoreload >> 8);
TIM3->ARRL = (uint8_t)(Autoreload);
}
/**
* @brief Sets the TIM3 Capture Compare1 Register value.
* @param Compare : Specifies the Capture Compare1 register new value.
* This parameter is between 0x0000 and 0xFFFF.
* @retval None
*/
void TIM3_SetCompare1(uint16_t Compare)
{
/* Set the Capture Compare1 Register value */
TIM3->CCR1H = (uint8_t)(Compare >> 8);
TIM3->CCR1L = (uint8_t)(Compare);
}
/**
* @brief Sets the TIM3 Capture Compare2 Register value.
* @param Compare : Specifies the Capture Compare2 register new value.
* This parameter is between 0x0000 and 0xFFFF.
* @retval None
*/
void TIM3_SetCompare2(uint16_t Compare)
{
/* Set the Capture Compare2 Register value */
TIM3->CCR2H = (uint8_t)(Compare >> 8);
TIM3->CCR2L = (uint8_t)(Compare);
}
/**
* @brief Sets the TIM3 Input Capture 1 prescaler.
* @param TIM3_IC1Prescaler : Specifies the Input Capture prescaler new value
* This parameter can be one of the @ref TIM3_ICPSC_TypeDef enumeration.
* @retval None
*/
void TIM3_SetIC1Prescaler(TIM3_ICPSC_TypeDef TIM3_IC1Prescaler)
{
uint8_t tmpccmr1 = 0;
/* Check the parameters */
assert_param(IS_TIM3_IC_PRESCALER(TIM3_IC1Prescaler));
tmpccmr1 = TIM3->CCMR1;
/* Reset the IC1PSC Bits */
tmpccmr1 &= (uint8_t)(~TIM_CCMR_ICxPSC);
/* Set the IC1PSC value */
tmpccmr1 |= (uint8_t)TIM3_IC1Prescaler;
TIM3->CCMR1 = tmpccmr1;
}
/**
* @brief Sets the TIM3 Input Capture 2 prescaler.
* @param TIM3_IC2Prescaler : Specifies the Input Capture prescaler new value
* This parameter can be one of the @ref TIM3_ICPSC_TypeDef enumeration.
* @retval None
*/
void TIM3_SetIC2Prescaler(TIM3_ICPSC_TypeDef TIM3_IC2Prescaler)
{
uint8_t tmpccmr2 = 0;
/* Check the parameters */
assert_param(IS_TIM3_IC_PRESCALER(TIM3_IC2Prescaler));
tmpccmr2 = TIM3->CCMR2;
/* Reset the IC2PSC Bits */
tmpccmr2 &= (uint8_t)(~TIM_CCMR_ICxPSC);
/* Set the IC2PSC value */
tmpccmr2 |= (uint8_t)TIM3_IC2Prescaler;
TIM3->CCMR2 = tmpccmr2;
}
/**
* @brief Gets the TIM3 Input Capture 1 value.
* @param None
* @retval Capture Compare 1 Register value.
*/
uint16_t TIM3_GetCapture1(void)
{
uint16_t tmpccr1 = 0;
uint8_t tmpccr1l, tmpccr1h;
tmpccr1h = TIM3->CCR1H;
tmpccr1l = TIM3->CCR1L;
tmpccr1 = (uint16_t)(tmpccr1l);
tmpccr1 |= (uint16_t)((uint16_t)tmpccr1h << 8);
/* Get the Capture 1 Register value */
return ((uint16_t)tmpccr1);
}
/**
* @brief Gets the TIM3 Input Capture 2 value.
* @param None
* @retval Capture Compare 2 Register value.
*/
uint16_t TIM3_GetCapture2(void)
{
uint16_t tmpccr2 = 0;
uint8_t tmpccr2l, tmpccr2h;
tmpccr2h = TIM3->CCR2H;
tmpccr2l = TIM3->CCR2L;
tmpccr2 = (uint16_t)(tmpccr2l);
tmpccr2 |= (uint16_t)((uint16_t)tmpccr2h << 8);
/* Get the Capture 2 Register value */
return ((uint16_t)tmpccr2);
}
/**
* @brief Gets the TIM3 Counter value.
* @param None
* @retval Counter Register value.
*/
uint16_t TIM3_GetCounter(void)
{
uint16_t tmpcnt = 0;
uint8_t tmpcntrl, tmpcntrh;
tmpcntrh = TIM3->CNTRH;
tmpcntrl = TIM3->CNTRL;
tmpcnt = (uint16_t)(tmpcntrl);
tmpcnt |= (uint16_t)((uint16_t)tmpcntrh << 8);
/* Get the Counter Register value */
return ((uint16_t)tmpcnt);
}
/**
* @brief Gets the TIM3 Prescaler value.
* @param None
* @retval TIM3_Prescaler_TypeDef : Prescaler Register value.
*/
TIM3_Prescaler_TypeDef TIM3_GetPrescaler(void)
{
/* Get the Prescaler Register value */
return ((TIM3_Prescaler_TypeDef)TIM3->PSCR);
}
/**
* @brief Selects the TIM3 peripheral Capture Compare DMA source.
* @param NewState: new state of the Capture Compare DMA source.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void TIM3_SelectCCDMA(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Set the CCDS Bit */
TIM3->CR2 |= TIM_CR2_CCDS;
}
else
{
/* Reset the CCDS Bit */
TIM3->CR2 &= (uint8_t)(~TIM_CR2_CCDS);
}
}
/**
* @brief Checks whether the specified TIM3 flag is set or not.
* @param TIM3_FLAG : Specifies the flag to check.
* This parameter can be one of the @ref TIM3_FLAG_TypeDef enumeration.
* @retval FlagStatus : The new state of TIM3_FLAG.
* This parameter can be any of the @ref FlagStatus enumeration.
*/
FlagStatus TIM3_GetFlagStatus(TIM3_FLAG_TypeDef TIM3_FLAG)
{
FlagStatus bitstatus = RESET;
uint8_t tim3_flag_l = 0;
uint8_t tim3_flag_h = 0;
/* Check the parameters */
assert_param(IS_TIM3_GET_FLAG(TIM3_FLAG));
tim3_flag_l = (uint8_t)(TIM3->SR1 & (uint8_t)(TIM3_FLAG));
tim3_flag_h = (uint8_t)(TIM3->SR2 & (uint8_t)((uint16_t)TIM3_FLAG >> 8));
if ((uint8_t)(tim3_flag_l | tim3_flag_h) != 0)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return ((FlagStatus)bitstatus);
}
/**
* @brief Clears the TIM<49>s pending flags.
* @param TIM3_FLAG : Specifies the flag to clear.
* This parameter can be one of the @ref TIM3_FLAG_TypeDef enumeration.
* @retval None
*/
void TIM3_ClearFlag(TIM3_FLAG_TypeDef TIM3_FLAG)
{
/* Check the parameters */
assert_param(IS_TIM3_CLEAR_FLAG((uint16_t)TIM3_FLAG));
/* Clear the flags (rc_w0) clear this bit by writing 0. Writing <20>1<EFBFBD> has no effect*/
TIM3->SR1 = (uint8_t)(~(uint8_t)(TIM3_FLAG));
TIM3->SR2 = (uint8_t)(~(uint8_t)((uint16_t)TIM3_FLAG >> 8));
}
/**
* @brief Checks whether the TIM3 interrupt has occurred or not.
* @param TIM3_IT : Specifies the TIM3 interrupt source to check.
* This parameter can be one of the @ref TIM3_IT_TypeDef enumeration.
* @retval ITStatus : The new state of the TIM3_IT.
* This parameter can be any of the @ref ITStatus enumeration.
*/
ITStatus TIM3_GetITStatus(TIM3_IT_TypeDef TIM3_IT)
{
ITStatus bitstatus = RESET;
uint8_t TIM3_itStatus = 0x0, TIM3_itEnable = 0x0;
/* Check the parameters */
assert_param(IS_TIM3_GET_IT(TIM3_IT));
TIM3_itStatus = (uint8_t)(TIM3->SR1 & (uint8_t)TIM3_IT);
TIM3_itEnable = (uint8_t)(TIM3->IER & (uint8_t)TIM3_IT);
if ((TIM3_itStatus != (uint8_t)RESET) && (TIM3_itEnable != (uint8_t)RESET))
{
bitstatus = (ITStatus)SET;
}
else
{
bitstatus = (ITStatus)RESET;
}
return ((ITStatus)bitstatus);
}
/**
* @brief Clears the TIM's interrupt pending bits.
* @param TIM3_IT : Specifies the pending bit to clear.
* This parameter can be one of the @ref TIM3_IT_TypeDef enumeration.
* @retval None
*/
void TIM3_ClearITPendingBit(TIM3_IT_TypeDef TIM3_IT)
{
/* Check the parameters */
assert_param(IS_TIM3_IT(TIM3_IT));
/* Clear the IT pending Bit */
TIM3->SR1 = (uint8_t)(~(uint8_t)TIM3_IT);
}
/**
* @brief Configure the TI1 as Input.
* @param TIM3_ICPolarity : The Input Polarity.
* This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
* @param TIM3_ICSelection : Specifies the input to be used.
* This parameter can be one of the @ref TIM3_ICSelection_TypeDef enumeration.
* @param TIM3_ICFilter : Specifies the Input Capture Filter.
* This parameter must be a value between 0x00 and 0x0F.
* @retval None
*/
static void TI1_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
uint8_t TIM3_ICFilter)
{
uint8_t tmpccmr1 = 0;
uint8_t tmpicpolarity = (uint8_t)TIM3_ICPolarity;
tmpccmr1 = (uint8_t)TIM3->CCMR1;
/* Check the parameters */
assert_param(IS_TIM3_IC_POLARITY(TIM3_ICPolarity));
assert_param(IS_TIM3_IC_SELECTION(TIM3_ICSelection));
assert_param(IS_TIM3_IC_FILTER(TIM3_ICFilter));
/* Disable the Channel 1: Reset the CCE Bit */
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1E);
/* Select the Input and set the filter */
tmpccmr1 &= (uint8_t)(~TIM_CCMR_CCxS) & (uint8_t)(~TIM_CCMR_ICxF);
tmpccmr1 |= (uint8_t)(((uint8_t)(TIM3_ICSelection)) | ((uint8_t)(TIM3_ICFilter << 4)));
TIM3->CCMR1 = tmpccmr1;
/* Select the Polarity */
if (tmpicpolarity == (uint8_t)(TIM3_ICPolarity_Falling))
{
TIM3->CCER1 |= TIM_CCER1_CC1P;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC1P);
}
/* Set the CCE Bit */
TIM3->CCER1 |= TIM_CCER1_CC1E;
}
/**
* @brief Configure the TI2 as Input.
* @param TIM3_ICPolarity : The Input Polarity.
* This parameter can be one of the @ref TIM3_ICPolarity_TypeDef enumeration.
* @param TIM3_ICSelection : Specifies the input to be used.
* This parameter can be one of the @ref TIM3_ICSelection_TypeDef enumeration.
* @param TIM3_ICFilter : Specifies the Input Capture Filter.
* This parameter must be a value between 0x00 and 0x0F.
* @retval None
*/
static void TI2_Config(TIM3_ICPolarity_TypeDef TIM3_ICPolarity,
TIM3_ICSelection_TypeDef TIM3_ICSelection,
uint8_t TIM3_ICFilter)
{
uint8_t tmpccmr2 = 0;
uint8_t tmpicpolarity = (uint8_t)TIM3_ICPolarity;
/* Check the parameters */
assert_param(IS_TIM3_IC_POLARITY(TIM3_ICPolarity));
assert_param(IS_TIM3_IC_SELECTION(TIM3_ICSelection));
assert_param(IS_TIM3_IC_FILTER(TIM3_ICFilter));
tmpccmr2 = (uint8_t)TIM3->CCMR2;
/* Disable the Channel 2: Reset the CCE Bit */
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2E);
/* Select the Input and set the filter */
tmpccmr2 &= (uint8_t)(~TIM_CCMR_CCxS) & (uint8_t)(~TIM_CCMR_ICxF);
tmpccmr2 |= (uint8_t)(((uint8_t)(TIM3_ICSelection)) | ((uint8_t)(TIM3_ICFilter << 4)));
TIM3->CCMR2 = tmpccmr2;
/* Select the Polarity */
if (tmpicpolarity == TIM3_ICPolarity_Falling)
{
TIM3->CCER1 |= TIM_CCER1_CC2P ;
}
else
{
TIM3->CCER1 &= (uint8_t)(~TIM_CCER1_CC2P) ;
}
/* Set the CCE Bit */
TIM3->CCER1 |= TIM_CCER1_CC2E;
}
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/