2 ******************************************************************************
3 * @file stm32f4xx_dbgmcu.c
4 * @author MCD Application Team
7 * @brief This file provides all the DBGMCU firmware functions.
8 ******************************************************************************
11 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
12 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
13 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
14 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
15 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
16 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
18 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
19 ******************************************************************************
22 /* Includes ------------------------------------------------------------------*/
23 #include "stm32f4xx_dbgmcu.h"
25 /** @addtogroup STM32F4xx_StdPeriph_Driver
30 * @brief DBGMCU driver modules
34 /* Private typedef -----------------------------------------------------------*/
35 /* Private define ------------------------------------------------------------*/
36 #define IDCODE_DEVID_MASK ((uint32_t)0x00000FFF)
38 /* Private macro -------------------------------------------------------------*/
39 /* Private variables ---------------------------------------------------------*/
40 /* Private function prototypes -----------------------------------------------*/
41 /* Private functions ---------------------------------------------------------*/
43 /** @defgroup DBGMCU_Private_Functions
48 * @brief Returns the device revision identifier.
50 * @retval Device revision identifier
52 uint32_t DBGMCU_GetREVID(void)
54 return(DBGMCU->IDCODE >> 16);
58 * @brief Returns the device identifier.
60 * @retval Device identifier
62 uint32_t DBGMCU_GetDEVID(void)
64 return(DBGMCU->IDCODE & IDCODE_DEVID_MASK);
68 * @brief Configures low power mode behavior when the MCU is in Debug mode.
69 * @param DBGMCU_Periph: specifies the low power mode.
70 * This parameter can be any combination of the following values:
71 * @arg DBGMCU_SLEEP: Keep debugger connection during SLEEP mode
72 * @arg DBGMCU_STOP: Keep debugger connection during STOP mode
73 * @arg DBGMCU_STANDBY: Keep debugger connection during STANDBY mode
74 * @param NewState: new state of the specified low power mode in Debug mode.
75 * This parameter can be: ENABLE or DISABLE.
78 void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
80 /* Check the parameters */
81 assert_param(IS_DBGMCU_PERIPH(DBGMCU_Periph));
82 assert_param(IS_FUNCTIONAL_STATE(NewState));
83 if (NewState != DISABLE)
85 DBGMCU->CR |= DBGMCU_Periph;
89 DBGMCU->CR &= ~DBGMCU_Periph;
94 * @brief Configures APB1 peripheral behavior when the MCU is in Debug mode.
95 * @param DBGMCU_Periph: specifies the APB1 peripheral.
96 * This parameter can be any combination of the following values:
97 * @arg DBGMCU_TIM2_STOP: TIM2 counter stopped when Core is halted
98 * @arg DBGMCU_TIM3_STOP: TIM3 counter stopped when Core is halted
99 * @arg DBGMCU_TIM4_STOP: TIM4 counter stopped when Core is halted
100 * @arg DBGMCU_TIM5_STOP: TIM5 counter stopped when Core is halted
101 * @arg DBGMCU_TIM6_STOP: TIM6 counter stopped when Core is halted
102 * @arg DBGMCU_TIM7_STOP: TIM7 counter stopped when Core is halted
103 * @arg DBGMCU_TIM12_STOP: TIM12 counter stopped when Core is halted
104 * @arg DBGMCU_TIM13_STOP: TIM13 counter stopped when Core is halted
105 * @arg DBGMCU_TIM14_STOP: TIM14 counter stopped when Core is halted
106 * @arg DBGMCU_RTC_STOP: RTC Calendar and Wakeup counter stopped when Core is halted.
107 * @arg DBGMCU_WWDG_STOP: Debug WWDG stopped when Core is halted
108 * @arg DBGMCU_IWDG_STOP: Debug IWDG stopped when Core is halted
109 * @arg DBGMCU_I2C1_SMBUS_TIMEOUT: I2C1 SMBUS timeout mode stopped when Core is halted
110 * @arg DBGMCU_I2C2_SMBUS_TIMEOUT: I2C2 SMBUS timeout mode stopped when Core is halted
111 * @arg DBGMCU_I2C3_SMBUS_TIMEOUT: I2C3 SMBUS timeout mode stopped when Core is halted
112 * @arg DBGMCU_CAN2_STOP: Debug CAN1 stopped when Core is halted
113 * @arg DBGMCU_CAN1_STOP: Debug CAN2 stopped when Core is halted
114 * This parameter can be: ENABLE or DISABLE.
117 void DBGMCU_APB1PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
119 /* Check the parameters */
120 assert_param(IS_DBGMCU_APB1PERIPH(DBGMCU_Periph));
121 assert_param(IS_FUNCTIONAL_STATE(NewState));
123 if (NewState != DISABLE)
125 DBGMCU->APB1FZ |= DBGMCU_Periph;
129 DBGMCU->APB1FZ &= ~DBGMCU_Periph;
134 * @brief Configures APB2 peripheral behavior when the MCU is in Debug mode.
135 * @param DBGMCU_Periph: specifies the APB2 peripheral.
136 * This parameter can be any combination of the following values:
137 * @arg DBGMCU_TIM1_STOP: TIM1 counter stopped when Core is halted
138 * @arg DBGMCU_TIM8_STOP: TIM8 counter stopped when Core is halted
139 * @arg DBGMCU_TIM9_STOP: TIM9 counter stopped when Core is halted
140 * @arg DBGMCU_TIM10_STOP: TIM10 counter stopped when Core is halted
141 * @arg DBGMCU_TIM11_STOP: TIM11 counter stopped when Core is halted
142 * @param NewState: new state of the specified peripheral in Debug mode.
143 * This parameter can be: ENABLE or DISABLE.
146 void DBGMCU_APB2PeriphConfig(uint32_t DBGMCU_Periph, FunctionalState NewState)
148 /* Check the parameters */
149 assert_param(IS_DBGMCU_APB2PERIPH(DBGMCU_Periph));
150 assert_param(IS_FUNCTIONAL_STATE(NewState));
152 if (NewState != DISABLE)
154 DBGMCU->APB2FZ |= DBGMCU_Periph;
158 DBGMCU->APB2FZ &= ~DBGMCU_Periph;
174 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/