stm32f0-discovery/Libraries/STM32F0xx_StdPeriph_Driver/src/stm32f0xx_dbgmcu.c

/**
  ******************************************************************************
  * @file    stm32f0xx_dbgmcu.c
  * @author  MCD Application Team
  * @version V1.0.1
  * @date    20-April-2012
  * @brief   This file provides firmware functions to manage the following 
  *          functionalities of the Debug MCU (DBGMCU) peripheral:
  *           + Device and Revision ID management
  *           + Peripherals Configuration
  *  @verbatim
  *  @endverbatim
  *
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2012 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 "stm32f0xx_dbgmcu.h"

/** @addtogroup STM32F0xx_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 
  * @{
  */
  

/** @defgroup DBGMCU_Group1 Device and Revision ID management functions
 *  @brief   Device and Revision ID management functions
 *
@verbatim
  ==============================================================================
            ##### Device and Revision ID management functions #####
  ==============================================================================

@endverbatim
  * @{
  */

/**
  * @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);
}

/**
  * @}
  */
  
/** @defgroup DBGMCU_Group2 Peripherals Configuration functions
 *  @brief   Peripherals Configuration
 *
@verbatim
  ==============================================================================
               ##### Peripherals Configuration functions #####
  ==============================================================================

@endverbatim
  * @{
  */

/**
  * @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_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_TIM6_STOP: TIM6 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
  * @param  NewState: new state of the specified APB1 peripheral in Debug mode.
  *          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_TIM15_STOP: TIM15 counter stopped when Core is halted
  *             @arg DBGMCU_TIM16_STOP: TIM16 counter stopped when Core is halted
  *             @arg DBGMCU_TIM17_STOP: TIM17 counter stopped when Core is halted
  * @param  NewState: new state of the specified APB2 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****/