alientek/libraries/STM32F4xx_StdPeriph_Driver/src/stm32f4xx_dbgmcu.c

/**
  ******************************************************************************
  * @file    stm32f4xx_dbgmcu.c
  * @author  MCD Application Team
  * @version V1.5.0
  * @date    06-March-2015
  * @brief   This file provides all the DBGMCU firmware functions.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_dbgmcu.h"

/** @addtogroup STM32F4xx_StdPeriph_Driver
  * @{
  */

/** @defgroup DBGMCU 
  * @brief DBGMCU driver modules
  * @{
  */ 

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define IDCODE_DEVID_MASK    ((uint32_t)0x00000FFF)

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/** @defgroup DBGMCU_Private_Functions
  * @{
  */ 

/**
  * @brief  Returns the device revision identifier.
  * @param  None
  * @retval Device revision identifier
  */
uint32_t DBGMCU_GetREVID(void)
{
   return(DBGMCU->IDCODE >> 16);
}

/**
  * @brief  Returns the device identifier.
  * @param  None
  * @retval Device identifier
  */
uint32_t DBGMCU_GetDEVID(void)
{
   return(DBGMCU->IDCODE & IDCODE_DEVID_MASK);
}

/**
  * @brief  Configures low power mode behavior when the MCU is in Debug mode.
  * @param  DBGMCU_Periph: specifies the low power mode.
  *   This parameter can be any combination of the following values:
  *     @arg DBGMCU_SLEEP: Keep debugger connection during SLEEP mode              
  *     @arg DBGMCU_STOP: Keep debugger connection during STOP mode               
  *     @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode        
  * @param  NewState: new state of the specified low power mode in Debug mode.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DBGMCU_PERIPH(DBGMCU_Periph));
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  if (NewState != DISABLE)
  {
    DBGMCU->CR |= DBGMCU_Periph;
  }
  else
  {
    DBGMCU->CR &= ~DBGMCU_Periph;
  }
}

/**
  * @brief  Configures APB1 peripheral behavior when the MCU is in Debug mode.
  * @param  DBGMCU_Periph: specifies the APB1 peripheral.
  *   This parameter can be any combination of the following values:        
  *     @arg DBGMCU_TIM2_STOP: TIM2 counter stopped when Core is halted          
  *     @arg DBGMCU_TIM3_STOP: TIM3 counter stopped when Core is halted          
  *     @arg DBGMCU_TIM4_STOP: TIM4 counter stopped when Core is halted
  *     @arg DBGMCU_TIM5_STOP: TIM5 counter stopped when Core is halted          
  *     @arg DBGMCU_TIM6_STOP: TIM6 counter stopped when Core is halted          
  *     @arg DBGMCU_TIM7_STOP: TIM7 counter stopped when Core is halted
  *     @arg DBGMCU_TIM12_STOP: TIM12 counter stopped when Core is halted  
  *     @arg DBGMCU_TIM13_STOP: TIM13 counter stopped when Core is halted  
  *     @arg DBGMCU_TIM14_STOP: TIM14 counter stopped when Core is halted 
  *     @arg DBGMCU_RTC_STOP: RTC Calendar and Wakeup counter stopped when Core is halted.                                                                                
  *     @arg DBGMCU_WWDG_STOP: Debug WWDG stopped when Core is halted
  *     @arg DBGMCU_IWDG_STOP: Debug IWDG stopped when Core is halted        
  *     @arg DBGMCU_I2C1_SMBUS_TIMEOUT: I2C1 SMBUS timeout mode stopped when Core is halted
  *     @arg DBGMCU_I2C2_SMBUS_TIMEOUT: I2C2 SMBUS timeout mode stopped when Core is halted
  *     @arg DBGMCU_I2C3_SMBUS_TIMEOUT: I2C3 SMBUS timeout mode stopped when Core is halted
  *     @arg DBGMCU_CAN2_STOP: Debug CAN1 stopped when Core is halted           
  *     @arg DBGMCU_CAN1_STOP: Debug CAN2 stopped when Core is halted        
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DBGMCU_APB1PERIPH(DBGMCU_Periph));
  assert_param(IS_FUNCTIONAL_STATE(NewState));

  if (NewState != DISABLE)
  {
    DBGMCU->APB1FZ |= DBGMCU_Periph;
  }
  else
  {
    DBGMCU->APB1FZ &= ~DBGMCU_Periph;
  }
}

/**
  * @brief  Configures APB2 peripheral behavior when the MCU is in Debug mode.
  * @param  DBGMCU_Periph: specifies the APB2 peripheral.
  *   This parameter can be any combination of the following values:       
  *     @arg DBGMCU_TIM1_STOP: TIM1 counter stopped when Core is halted                
  *     @arg DBGMCU_TIM8_STOP: TIM8 counter stopped when Core is halted
  *     @arg DBGMCU_TIM9_STOP: TIM9 counter stopped when Core is halted   
  *     @arg DBGMCU_TIM10_STOP: TIM10 counter stopped when Core is halted   
  *     @arg DBGMCU_TIM11_STOP: TIM11 counter stopped when Core is halted                                                                                  
  * @param  NewState: new state of the specified peripheral in Debug mode.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_DBGMCU_APB2PERIPH(DBGMCU_Periph));
  assert_param(IS_FUNCTIONAL_STATE(NewState));

  if (NewState != DISABLE)
  {
    DBGMCU->APB2FZ |= DBGMCU_Periph;
  }
  else
  {
    DBGMCU->APB2FZ &= ~DBGMCU_Periph;
  }
}

/**
  * @}
  */ 

/**
  * @}
  */ 

/**
  * @}
  */ 

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/