Merge branch 'master' of https://github.com/texane/stlink
[fw/stlink] / example / libstm32l_discovery / inc / misc.h
1 /**\r
2   ******************************************************************************\r
3   * @file    misc.h\r
4   * @author  MCD Application Team\r
5   * @version V1.0.0\r
6   * @date    31-December-2010\r
7   * @brief   This file contains all the functions prototypes for the miscellaneous\r
8   *          firmware library functions (add-on to CMSIS functions).\r
9   ******************************************************************************\r
10   * @attention\r
11   *\r
12   * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS\r
13   * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE\r
14   * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY\r
15   * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING\r
16   * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE\r
17   * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.\r
18   *\r
19   * <h2><center>&copy; COPYRIGHT 2010 STMicroelectronics</center></h2>\r
20   ******************************************************************************  \r
21   */ \r
22 \r
23 /* Define to prevent recursive inclusion -------------------------------------*/\r
24 #ifndef __MISC_H\r
25 #define __MISC_H\r
26 \r
27 #ifdef __cplusplus\r
28  extern "C" {\r
29 #endif\r
30 \r
31 /* Includes ------------------------------------------------------------------*/\r
32 #include "stm32l1xx.h"\r
33 \r
34 /** @addtogroup STM32L1xx_StdPeriph_Driver\r
35   * @{\r
36   */\r
37 \r
38 /** @addtogroup MISC\r
39   * @{\r
40   */\r
41 \r
42 /* Exported types ------------------------------------------------------------*/\r
43 \r
44 /** \r
45   * @brief  NVIC Init Structure definition  \r
46   */\r
47 \r
48 typedef struct\r
49 {\r
50   uint8_t NVIC_IRQChannel;                    /*!< Specifies the IRQ channel to be enabled or disabled.\r
51                                                    This parameter can be a value of @ref IRQn_Type \r
52                                                    (For the complete STM32 Devices IRQ Channels list, please\r
53                                                     refer to stm32l1xx.h file) */\r
54 \r
55   uint8_t NVIC_IRQChannelPreemptionPriority;  /*!< Specifies the pre-emption priority for the IRQ channel\r
56                                                    specified in NVIC_IRQChannel. This parameter can be a value\r
57                                                    between 0 and 15 as described in the table @ref NVIC_Priority_Table */\r
58 \r
59   uint8_t NVIC_IRQChannelSubPriority;         /*!< Specifies the subpriority level for the IRQ channel specified\r
60                                                    in NVIC_IRQChannel. This parameter can be a value\r
61                                                    between 0 and 15 as described in the table @ref NVIC_Priority_Table */\r
62 \r
63   FunctionalState NVIC_IRQChannelCmd;         /*!< Specifies whether the IRQ channel defined in NVIC_IRQChannel\r
64                                                    will be enabled or disabled. \r
65                                                    This parameter can be set either to ENABLE or DISABLE */   \r
66 } NVIC_InitTypeDef;\r
67 \r
68 /**  \r
69   *\r
70 @verbatim   \r
71  The table below gives the allowed values of the pre-emption priority and subpriority according\r
72  to the Priority Grouping configuration performed by NVIC_PriorityGroupConfig function\r
73   ============================================================================================================================\r
74     NVIC_PriorityGroup   | NVIC_IRQChannelPreemptionPriority | NVIC_IRQChannelSubPriority  | Description\r
75   ============================================================================================================================\r
76    NVIC_PriorityGroup_0  |                0                  |            0-15             |   0 bits for pre-emption priority\r
77                          |                                   |                             |   4 bits for subpriority\r
78   ----------------------------------------------------------------------------------------------------------------------------\r
79    NVIC_PriorityGroup_1  |                0-1                |            0-7              |   1 bits for pre-emption priority\r
80                          |                                   |                             |   3 bits for subpriority\r
81   ----------------------------------------------------------------------------------------------------------------------------    \r
82    NVIC_PriorityGroup_2  |                0-3                |            0-3              |   2 bits for pre-emption priority\r
83                          |                                   |                             |   2 bits for subpriority\r
84   ----------------------------------------------------------------------------------------------------------------------------    \r
85    NVIC_PriorityGroup_3  |                0-7                |            0-1              |   3 bits for pre-emption priority\r
86                          |                                   |                             |   1 bits for subpriority\r
87   ----------------------------------------------------------------------------------------------------------------------------    \r
88    NVIC_PriorityGroup_4  |                0-15               |            0                |   4 bits for pre-emption priority\r
89                          |                                   |                             |   0 bits for subpriority                       \r
90   ============================================================================================================================\r
91 @endverbatim\r
92 */\r
93 \r
94 /* Exported constants --------------------------------------------------------*/\r
95 \r
96 /** @defgroup MISC_Exported_Constants\r
97   * @{\r
98   */\r
99 \r
100 /** @defgroup Vector_Table_Base \r
101   * @{\r
102   */\r
103 \r
104 #define NVIC_VectTab_RAM             ((uint32_t)0x20000000)\r
105 #define NVIC_VectTab_FLASH           ((uint32_t)0x08000000)\r
106 #define IS_NVIC_VECTTAB(VECTTAB) (((VECTTAB) == NVIC_VectTab_RAM) || \\r
107                                   ((VECTTAB) == NVIC_VectTab_FLASH))\r
108 /**\r
109   * @}\r
110   */\r
111 \r
112 /** @defgroup System_Low_Power \r
113   * @{\r
114   */\r
115 \r
116 #define NVIC_LP_SEVONPEND            ((uint8_t)0x10)\r
117 #define NVIC_LP_SLEEPDEEP            ((uint8_t)0x04)\r
118 #define NVIC_LP_SLEEPONEXIT          ((uint8_t)0x02)\r
119 #define IS_NVIC_LP(LP) (((LP) == NVIC_LP_SEVONPEND) || \\r
120                         ((LP) == NVIC_LP_SLEEPDEEP) || \\r
121                         ((LP) == NVIC_LP_SLEEPONEXIT))\r
122 /**\r
123   * @}\r
124   */\r
125 \r
126 /** @defgroup Preemption_Priority_Group \r
127   * @{\r
128   */\r
129 \r
130 #define NVIC_PriorityGroup_0         ((uint32_t)0x700) /*!< 0 bits for pre-emption priority\r
131                                                             4 bits for subpriority */\r
132 #define NVIC_PriorityGroup_1         ((uint32_t)0x600) /*!< 1 bits for pre-emption priority\r
133                                                             3 bits for subpriority */\r
134 #define NVIC_PriorityGroup_2         ((uint32_t)0x500) /*!< 2 bits for pre-emption priority\r
135                                                             2 bits for subpriority */\r
136 #define NVIC_PriorityGroup_3         ((uint32_t)0x400) /*!< 3 bits for pre-emption priority\r
137                                                             1 bits for subpriority */\r
138 #define NVIC_PriorityGroup_4         ((uint32_t)0x300) /*!< 4 bits for pre-emption priority\r
139                                                             0 bits for subpriority */\r
140 \r
141 #define IS_NVIC_PRIORITY_GROUP(GROUP) (((GROUP) == NVIC_PriorityGroup_0) || \\r
142                                        ((GROUP) == NVIC_PriorityGroup_1) || \\r
143                                        ((GROUP) == NVIC_PriorityGroup_2) || \\r
144                                        ((GROUP) == NVIC_PriorityGroup_3) || \\r
145                                        ((GROUP) == NVIC_PriorityGroup_4))\r
146 \r
147 #define IS_NVIC_PREEMPTION_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)\r
148 \r
149 #define IS_NVIC_SUB_PRIORITY(PRIORITY)  ((PRIORITY) < 0x10)\r
150 \r
151 #define IS_NVIC_OFFSET(OFFSET)  ((OFFSET) < 0x0001FFFF)\r
152 \r
153 /**\r
154   * @}\r
155   */\r
156 \r
157 /** @defgroup SysTick_clock_source \r
158   * @{\r
159   */\r
160 \r
161 #define SysTick_CLKSource_HCLK_Div8    ((uint32_t)0xFFFFFFFB)\r
162 #define SysTick_CLKSource_HCLK         ((uint32_t)0x00000004)\r
163 #define IS_SYSTICK_CLK_SOURCE(SOURCE) (((SOURCE) == SysTick_CLKSource_HCLK) || \\r
164                                        ((SOURCE) == SysTick_CLKSource_HCLK_Div8))\r
165 /**\r
166   * @}\r
167   */\r
168 \r
169 /**\r
170   * @}\r
171   */\r
172 \r
173 /* Exported macro ------------------------------------------------------------*/\r
174 /* Exported functions ------------------------------------------------------- */ \r
175 \r
176 void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup);\r
177 void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct);\r
178 void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset);\r
179 void NVIC_SystemLPConfig(uint8_t LowPowerMode, FunctionalState NewState);\r
180 void SysTick_CLKSourceConfig(uint32_t SysTick_CLKSource);\r
181 \r
182 #ifdef __cplusplus\r
183 }\r
184 #endif\r
185 \r
186 #endif /* __MISC_H */\r
187 \r
188 /**\r
189   * @}\r
190   */\r
191 \r
192 /**\r
193   * @}\r
194   */\r
195 \r
196 /******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/\r