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comparison Common/Drivers/STM32F4xx/Include/system_stm32f4xx.h @ 160:e3ca52b8e7fa

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Merge with FlipDisplay
author heinrichsweikamp
date Thu, 07 Mar 2019 15:06:43 +0100
parents c78bcbd5deda
children 4e10a3e087a1
comparison
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80:cc2bb7bb8456 160:e3ca52b8e7fa
1 /**
2 ******************************************************************************
3 * @file system_stm32f4xx.h
4 * @author MCD Application Team
5 * @brief CMSIS Cortex-M4 Device System Source File for STM32F4xx devices.
6 ******************************************************************************
7 * @attention
8 *
9 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
10 *
11 * Redistribution and use in source and binary forms, with or without modification,
12 * are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
18 * 3. Neither the name of STMicroelectronics nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 ******************************************************************************
34 */
35
36 /** @addtogroup CMSIS
37 * @{
38 */
39
40 /** @addtogroup stm32f4xx_system
41 * @{
42 */
43
44 /**
45 * @brief Define to prevent recursive inclusion
46 */
47 #ifndef __SYSTEM_STM32F4XX_H
48 #define __SYSTEM_STM32F4XX_H
49
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53
54 /** @addtogroup STM32F4xx_System_Includes
55 * @{
56 */
57
58 /**
59 * @}
60 */
61
62
63 /** @addtogroup STM32F4xx_System_Exported_types
64 * @{
65 */
66 /* This variable is updated in three ways:
67 1) by calling CMSIS function SystemCoreClockUpdate()
68 2) by calling HAL API function HAL_RCC_GetSysClockFreq()
69 3) each time HAL_RCC_ClockConfig() is called to configure the system clock frequency
70 Note: If you use this function to configure the system clock; then there
71 is no need to call the 2 first functions listed above, since SystemCoreClock
72 variable is updated automatically.
73 */
74 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
75
76 extern const uint8_t AHBPrescTable[16]; /*!< AHB prescalers table values */
77 extern const uint8_t APBPrescTable[8]; /*!< APB prescalers table values */
78
79 /**
80 * @}
81 */
82
83 /** @addtogroup STM32F4xx_System_Exported_Constants
84 * @{
85 */
86
87 /**
88 * @}
89 */
90
91 /** @addtogroup STM32F4xx_System_Exported_Macros
92 * @{
93 */
94
95 /**
96 * @}
97 */
98
99 /** @addtogroup STM32F4xx_System_Exported_Functions
100 * @{
101 */
102
103 extern void SystemInit(void);
104 extern void SystemCoreClockUpdate(void);
105 /**
106 * @}
107 */
108
109 #ifdef __cplusplus
110 }
111 #endif
112
113 #endif /*__SYSTEM_STM32F4XX_H */
114
115 /**
116 * @}
117 */
118
119 /**
120 * @}
121 */
122 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/