tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F3XX/stm32f30x_dbgmcu.c

   1 /**
   2   ******************************************************************************
   3   * @file    stm32f30x_dbgmcu.c
   4   * @author  MCD Application Team
   5   * @version V1.1.0
   6   * @date    27-February-2014
   7   * @brief   This file provides firmware functions to manage the following
   8   *          functionalities of the Debug MCU (DBGMCU) peripheral:
   9   *           + Device and Revision ID management
  10   *           + Peripherals Configuration
  11   ******************************************************************************
  12   * @attention
  13   *
  14   * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
  15   *
  16   * Redistribution and use in source and binary forms, with or without modification,
  17   * are permitted provided that the following conditions are met:
  18   *   1. Redistributions of source code must retain the above copyright notice,
  19   *      this list of conditions and the following disclaimer.
  20   *   2. Redistributions in binary form must reproduce the above copyright notice,
  21   *      this list of conditions and the following disclaimer in the documentation
  22   *      and/or other materials provided with the distribution.
  23   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  24   *      may be used to endorse or promote products derived from this software
  25   *      without specific prior written permission.
  26   *
  27   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  28   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  29   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  30   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  31   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  33   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  34   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  35   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  36   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37   *
  38   ******************************************************************************
  39   */
  40
  41 /* Includes ------------------------------------------------------------------*/
  42 #include "stm32f30x_dbgmcu.h"
  43
  44 /** @addtogroup STM32F30x_StdPeriph_Driver
  45   * @{
  46   */
  47
  48 /** @defgroup DBGMCU
  49   * @brief DBGMCU driver modules
  50   * @{
  51   */
  52
  53 /* Private typedef -----------------------------------------------------------*/
  54 /* Private define ------------------------------------------------------------*/
  55 #define IDCODE_DEVID_MASK    ((uint32_t)0x00000FFF)
  56
  57 /* Private macro -------------------------------------------------------------*/
  58 /* Private variables ---------------------------------------------------------*/
  59 /* Private function prototypes -----------------------------------------------*/
  60 /* Private functions ---------------------------------------------------------*/
  61
  62 /** @defgroup DBGMCU_Private_Functions
  63   * @{
  64   */
  65
  66 /** @defgroup DBGMCU_Group1 Device and Revision ID management functions
  67  *  @brief   Device and Revision ID management functions
  68  *
  69 @verbatim
  70   ==============================================================================
  71             ##### Device and Revision ID management functions #####
  72   ==============================================================================
  73
  74 @endverbatim
  75   * @{
  76   */
  77
  78 /**
  79   * @brief  Returns the device revision identifier.
  80   * @param  None
  81   * @retval Device revision identifier
  82   */
  83 uint32_t DBGMCU_GetREVID(void)
  84 {
  85    return(DBGMCU->IDCODE >> 16);
  86 }
  87
  88 /**
  89   * @brief   Returns the device identifier.
  90   * @param  None
  91   * @retval Device identifier
  92   */
  93 uint32_t DBGMCU_GetDEVID(void)
  94 {
  95    return(DBGMCU->IDCODE & IDCODE_DEVID_MASK);
  96 }
  97
  98 /**
  99   * @}
 100   */
 101
 102 /** @defgroup DBGMCU_Group2 Peripherals Configuration functions
 103  *  @brief   Peripherals Configuration
 104  *
 105 @verbatim
 106   ==============================================================================
 107                ##### Peripherals Configuration functions #####
 108   ==============================================================================
 109
 110 @endverbatim
 111   * @{
 112   */
 113
 114 /**
 115   * @brief  Configures low power mode behavior when the MCU is in Debug mode.
 116   * @param  DBGMCU_Periph: specifies the low power mode.
 117   *   This parameter can be any combination of the following values:
 118   *     @arg DBGMCU_SLEEP: Keep debugger connection during SLEEP mode.
 119   *     @arg DBGMCU_STOP: Keep debugger connection during STOP mode.
 120   *     @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode.
 121   * @param  NewState: new state of the specified low power mode in Debug mode.
 122   *   This parameter can be: ENABLE or DISABLE.
 123   * @retval None
 124   */
 125 void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
 126 {
 127   /* Check the parameters */
 128   assert_param(IS_DBGMCU_PERIPH(DBGMCU_Periph));
 129   assert_param(IS_FUNCTIONAL_STATE(NewState));
 130   if (NewState != DISABLE)
 131   {
 132     DBGMCU->CR |= DBGMCU_Periph;
 133   }
 134   else
 135   {
 136     DBGMCU->CR &= ~DBGMCU_Periph;
 137   }
 138 }
 139
 140 /**
 141   * @brief  Configures APB1 peripheral behavior when the MCU is in Debug mode.
 142   * @param  DBGMCU_Periph: specifies the APB1 peripheral.
 143   *   This parameter can be any combination of the following values:
 144   *     @arg DBGMCU_TIM2_STOP: TIM2 counter stopped when Core is halted.
 145   *     @arg DBGMCU_TIM3_STOP: TIM3 counter stopped when Core is halted.
 146   *     @arg DBGMCU_TIM4_STOP: TIM4 counter stopped when Core is halted.
 147   *     @arg DBGMCU_TIM6_STOP: TIM6 counter stopped when Core is halted.
 148   *     @arg DBGMCU_TIM7_STOP: TIM7 counter stopped when Core is halted.
 149   *     @arg DBGMCU_RTC_STOP: RTC Calendar and Wakeup counter are stopped when
 150   *          Core is halted.
 151   *     @arg DBGMCU_WWDG_STOP: Debug WWDG stopped when Core is halted.
 152   *     @arg DBGMCU_IWDG_STOP: Debug IWDG stopped when Core is halted.
 153   *     @arg DBGMCU_I2C1_SMBUS_TIMEOUT: I2C1 SMBUS timeout mode stopped when
 154   *          Core is halted.
 155   *     @arg DBGMCU_I2C2_SMBUS_TIMEOUT: I2C2 SMBUS timeout mode stopped when
 156   *          Core is halted.
 157   *     @arg DBGMCU_CAN1_STOP: Debug CAN2 stopped when Core is halted.
 158   * @param  NewState: new state of the specified APB1 peripheral in Debug mode.
 159   *         This parameter can be: ENABLE or DISABLE.
 160   * @retval None
 161   */
 162 void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
 163 {
 164   /* Check the parameters */
 165   assert_param(IS_DBGMCU_APB1PERIPH(DBGMCU_Periph));
 166   assert_param(IS_FUNCTIONAL_STATE(NewState));
 167
 168   if (NewState != DISABLE)
 169   {
 170     DBGMCU->APB1FZ |= DBGMCU_Periph;
 171   }
 172   else
 173   {
 174     DBGMCU->APB1FZ &= ~DBGMCU_Periph;
 175   }
 176 }
 177
 178 /**
 179   * @brief  Configures APB2 peripheral behavior when the MCU is in Debug mode.
 180   * @param  DBGMCU_Periph: specifies the APB2 peripheral.
 181   *   This parameter can be any combination of the following values:
 182   *     @arg DBGMCU_TIM1_STOP: TIM1 counter stopped when Core is halted.
 183   *     @arg DBGMCU_TIM8_STOP: TIM8 counter stopped when Core is halted.
 184   *     @arg DBGMCU_TIM15_STOP: TIM15 counter stopped when Core is halted.
 185   *     @arg DBGMCU_TIM16_STOP: TIM16 counter stopped when Core is halted.
 186   *     @arg DBGMCU_TIM17_STOP: TIM17 counter stopped when Core is halted.
 187   * @param  NewState: new state of the specified APB2 peripheral in Debug mode.
 188   *         This parameter can be: ENABLE or DISABLE.
 189   * @retval None
 190   */
 191 void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
 192 {
 193   /* Check the parameters */
 194   assert_param(IS_DBGMCU_APB2PERIPH(DBGMCU_Periph));
 195   assert_param(IS_FUNCTIONAL_STATE(NewState));
 196
 197   if (NewState != DISABLE)
 198   {
 199     DBGMCU->APB2FZ |= DBGMCU_Periph;
 200   }
 201   else
 202   {
 203     DBGMCU->APB2FZ &= ~DBGMCU_Periph;
 204   }
 205 }
 206
 207 /**
 208   * @}
 209   */
 210
 211 /**
 212   * @}
 213   */
 214
 215 /**
 216   * @}
 217   */
 218
 219 /**
 220   * @}
 221   */
 222
 223 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/