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1 | /** |
1 | /** |
2 | ****************************************************************************** |
2 | ****************************************************************************** |
3 | * @file stm32l1xx_ll_utils.h |
3 | * @file stm32l1xx_ll_utils.h |
4 | * @author MCD Application Team |
4 | * @author MCD Application Team |
5 | * @brief Header file of UTILS LL module. |
5 | * @brief Header file of UTILS LL module. |
6 | @verbatim |
6 | @verbatim |
7 | ============================================================================== |
7 | ============================================================================== |
8 | ##### How to use this driver ##### |
8 | ##### How to use this driver ##### |
9 | ============================================================================== |
9 | ============================================================================== |
10 | [..] |
10 | [..] |
11 | The LL UTILS driver contains a set of generic APIs that can be |
11 | The LL UTILS driver contains a set of generic APIs that can be |
12 | used by user: |
12 | used by user: |
13 | (+) Device electronic signature |
13 | (+) Device electronic signature |
14 | (+) Timing functions |
14 | (+) Timing functions |
15 | (+) PLL configuration functions |
15 | (+) PLL configuration functions |
16 | 16 | ||
17 | @endverbatim |
17 | @endverbatim |
18 | ****************************************************************************** |
18 | ****************************************************************************** |
19 | * @attention |
19 | * @attention |
20 | * |
20 | * |
21 | * <h2><center>© Copyright(c) 2017 STMicroelectronics. |
21 | * Copyright (c) 2017 STMicroelectronics. |
22 | * All rights reserved.</center></h2> |
22 | * All rights reserved. |
23 | * |
23 | * |
24 | * This software component is licensed by ST under BSD 3-Clause license, |
24 | * This software is licensed under terms that can be found in the LICENSE file |
25 | * the "License"; You may not use this file except in compliance with the |
25 | * in the root directory of this software component. |
26 | * License. You may obtain a copy of the License at: |
26 | * If no LICENSE file comes with this software, it is provided AS-IS. |
27 | * opensource.org/licenses/BSD-3-Clause |
27 | * |
28 | * |
28 | ****************************************************************************** |
29 | ****************************************************************************** |
29 | */ |
30 | */ |
30 | |
31 | 31 | /* Define to prevent recursive inclusion -------------------------------------*/ |
|
32 | /* Define to prevent recursive inclusion -------------------------------------*/ |
32 | #ifndef __STM32L1xx_LL_UTILS_H |
33 | #ifndef __STM32L1xx_LL_UTILS_H |
33 | #define __STM32L1xx_LL_UTILS_H |
34 | #define __STM32L1xx_LL_UTILS_H |
34 | |
35 | 35 | #ifdef __cplusplus |
|
36 | #ifdef __cplusplus |
36 | extern "C" { |
37 | extern "C" { |
37 | #endif |
38 | #endif |
38 | |
39 | 39 | /* Includes ------------------------------------------------------------------*/ |
|
40 | /* Includes ------------------------------------------------------------------*/ |
40 | #include "stm32l1xx.h" |
41 | #include "stm32l1xx.h" |
41 | |
42 | 42 | /** @addtogroup STM32L1xx_LL_Driver |
|
43 | /** @addtogroup STM32L1xx_LL_Driver |
43 | * @{ |
44 | * @{ |
44 | */ |
45 | */ |
45 | |
46 | 46 | /** @defgroup UTILS_LL UTILS |
|
47 | /** @defgroup UTILS_LL UTILS |
47 | * @{ |
48 | * @{ |
48 | */ |
49 | */ |
49 | |
50 | 50 | /* Private types -------------------------------------------------------------*/ |
|
51 | /* Private types -------------------------------------------------------------*/ |
51 | /* Private variables ---------------------------------------------------------*/ |
52 | /* Private variables ---------------------------------------------------------*/ |
52 | |
53 | 53 | /* Private constants ---------------------------------------------------------*/ |
|
54 | /* Private constants ---------------------------------------------------------*/ |
54 | /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants |
55 | /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants |
55 | * @{ |
56 | * @{ |
56 | */ |
57 | */ |
57 | |
58 | 58 | /* Max delay can be used in LL_mDelay */ |
|
59 | /* Max delay can be used in LL_mDelay */ |
59 | #define LL_MAX_DELAY 0xFFFFFFFFU |
60 | #define LL_MAX_DELAY 0xFFFFFFFFU |
60 | |
61 | 61 | /** |
|
62 | /** |
62 | * @brief Unique device ID register base address |
63 | * @brief Unique device ID register base address |
63 | */ |
64 | */ |
64 | #define UID_BASE_ADDRESS UID_BASE |
65 | #define UID_BASE_ADDRESS UID_BASE |
65 | |
66 | 66 | /** |
|
67 | /** |
67 | * @brief Flash size data register base address |
68 | * @brief Flash size data register base address |
68 | */ |
69 | */ |
69 | #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE |
70 | #define FLASHSIZE_BASE_ADDRESS FLASHSIZE_BASE |
70 | |
71 | 71 | /** |
|
72 | /** |
72 | * @} |
73 | * @} |
73 | */ |
74 | */ |
74 | |
75 | 75 | /* Private macros ------------------------------------------------------------*/ |
|
76 | /* Private macros ------------------------------------------------------------*/ |
76 | /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros |
77 | /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros |
77 | * @{ |
78 | * @{ |
78 | */ |
79 | */ |
79 | /** |
80 | /** |
80 | * @} |
81 | * @} |
81 | */ |
82 | */ |
82 | /* Exported types ------------------------------------------------------------*/ |
83 | /* Exported types ------------------------------------------------------------*/ |
83 | /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures |
84 | /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures |
84 | * @{ |
85 | * @{ |
85 | */ |
86 | */ |
86 | /** |
87 | /** |
87 | * @brief UTILS PLL structure definition |
88 | * @brief UTILS PLL structure definition |
88 | */ |
89 | */ |
89 | typedef struct |
90 | typedef struct |
90 | { |
91 | { |
91 | uint32_t PLLMul; /*!< Multiplication factor for PLL VCO input clock. |
92 | uint32_t PLLMul; /*!< Multiplication factor for PLL VCO input clock. |
92 | This parameter can be a value of @ref RCC_LL_EC_PLL_MUL |
93 | This parameter can be a value of @ref RCC_LL_EC_PLL_MUL |
93 | |
94 | 94 | This feature can be modified afterwards using unitary function |
|
95 | This feature can be modified afterwards using unitary function |
95 | @ref LL_RCC_PLL_ConfigDomain_SYS(). */ |
96 | @ref LL_RCC_PLL_ConfigDomain_SYS(). */ |
96 | |
97 | 97 | uint32_t PLLDiv; /*!< Division factor for PLL VCO output clock. |
|
98 | uint32_t PLLDiv; /*!< Division factor for PLL VCO output clock. |
98 | This parameter can be a value of @ref RCC_LL_EC_PLL_DIV |
99 | This parameter can be a value of @ref RCC_LL_EC_PLL_DIV |
99 | |
100 | 100 | This feature can be modified afterwards using unitary function |
|
101 | This feature can be modified afterwards using unitary function |
101 | @ref LL_RCC_PLL_ConfigDomain_SYS(). */ |
102 | @ref LL_RCC_PLL_ConfigDomain_SYS(). */ |
102 | } LL_UTILS_PLLInitTypeDef; |
103 | } LL_UTILS_PLLInitTypeDef; |
103 | |
104 | 104 | /** |
|
105 | /** |
105 | * @brief UTILS System, AHB and APB buses clock configuration structure definition |
106 | * @brief UTILS System, AHB and APB buses clock configuration structure definition |
106 | */ |
107 | */ |
107 | typedef struct |
108 | typedef struct |
108 | { |
109 | { |
109 | uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK). |
110 | uint32_t AHBCLKDivider; /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK). |
110 | This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV |
111 | This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV |
111 | |
112 | 112 | This feature can be modified afterwards using unitary function |
|
113 | This feature can be modified afterwards using unitary function |
113 | @ref LL_RCC_SetAHBPrescaler(). */ |
114 | @ref LL_RCC_SetAHBPrescaler(). */ |
114 | |
115 | 115 | uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK). |
|
116 | uint32_t APB1CLKDivider; /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK). |
116 | This parameter can be a value of @ref RCC_LL_EC_APB1_DIV |
117 | This parameter can be a value of @ref RCC_LL_EC_APB1_DIV |
117 | |
118 | 118 | This feature can be modified afterwards using unitary function |
|
119 | This feature can be modified afterwards using unitary function |
119 | @ref LL_RCC_SetAPB1Prescaler(). */ |
120 | @ref LL_RCC_SetAPB1Prescaler(). */ |
120 | |
121 | 121 | uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK). |
|
122 | uint32_t APB2CLKDivider; /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK). |
122 | This parameter can be a value of @ref RCC_LL_EC_APB2_DIV |
123 | This parameter can be a value of @ref RCC_LL_EC_APB2_DIV |
123 | |
124 | 124 | This feature can be modified afterwards using unitary function |
|
125 | This feature can be modified afterwards using unitary function |
125 | @ref LL_RCC_SetAPB2Prescaler(). */ |
126 | @ref LL_RCC_SetAPB2Prescaler(). */ |
126 | |
127 | 127 | } LL_UTILS_ClkInitTypeDef; |
|
128 | } LL_UTILS_ClkInitTypeDef; |
128 | |
129 | 129 | /** |
|
130 | /** |
130 | * @} |
131 | * @} |
131 | */ |
132 | */ |
132 | |
133 | 133 | /* Exported constants --------------------------------------------------------*/ |
|
134 | /* Exported constants --------------------------------------------------------*/ |
134 | /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants |
135 | /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants |
135 | * @{ |
136 | * @{ |
136 | */ |
137 | */ |
137 | |
138 | 138 | /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation |
|
139 | /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation |
139 | * @{ |
140 | * @{ |
140 | */ |
141 | */ |
141 | #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */ |
142 | #define LL_UTILS_HSEBYPASS_OFF 0x00000000U /*!< HSE Bypass is not enabled */ |
142 | #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */ |
143 | #define LL_UTILS_HSEBYPASS_ON 0x00000001U /*!< HSE Bypass is enabled */ |
143 | /** |
144 | /** |
144 | * @} |
145 | * @} |
145 | */ |
146 | */ |
146 | |
147 | 147 | /** |
|
148 | /** |
148 | * @} |
149 | * @} |
149 | */ |
150 | */ |
150 | |
151 | 151 | /* Exported macro ------------------------------------------------------------*/ |
|
152 | /* Exported macro ------------------------------------------------------------*/ |
152 | |
153 | 153 | /* Exported functions --------------------------------------------------------*/ |
|
154 | /* Exported functions --------------------------------------------------------*/ |
154 | /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions |
155 | /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions |
155 | * @{ |
156 | * @{ |
156 | */ |
157 | */ |
157 | |
158 | 158 | /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE |
|
159 | /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE |
159 | * @{ |
160 | * @{ |
160 | */ |
161 | */ |
161 | |
162 | 162 | /** |
|
163 | /** |
163 | * @brief Get Word0 of the unique device identifier (UID based on 96 bits) |
164 | * @brief Get Word0 of the unique device identifier (UID based on 96 bits) |
164 | * @retval UID[31:0] |
165 | * @retval UID[31:0] |
165 | */ |
166 | */ |
166 | __STATIC_INLINE uint32_t LL_GetUID_Word0(void) |
167 | __STATIC_INLINE uint32_t LL_GetUID_Word0(void) |
167 | { |
168 | { |
168 | return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS))); |
169 | return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS))); |
169 | } |
170 | } |
170 | |
171 | 171 | /** |
|
172 | /** |
172 | * @brief Get Word1 of the unique device identifier (UID based on 96 bits) |
173 | * @brief Get Word1 of the unique device identifier (UID based on 96 bits) |
173 | * @retval UID[63:32] |
174 | * @retval UID[63:32] |
174 | */ |
175 | */ |
175 | __STATIC_INLINE uint32_t LL_GetUID_Word1(void) |
176 | __STATIC_INLINE uint32_t LL_GetUID_Word1(void) |
176 | { |
177 | { |
177 | return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 0x04U)))); |
178 | return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 0x04U)))); |
178 | } |
179 | } |
179 | |
180 | 180 | /** |
|
181 | /** |
181 | * @brief Get Word2 of the unique device identifier (UID based on 96 bits) |
182 | * @brief Get Word2 of the unique device identifier (UID based on 96 bits) |
182 | * @retval UID[95:64] |
183 | * @retval UID[95:64] |
183 | */ |
184 | */ |
184 | __STATIC_INLINE uint32_t LL_GetUID_Word2(void) |
185 | __STATIC_INLINE uint32_t LL_GetUID_Word2(void) |
185 | { |
186 | { |
186 | return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 0x14U)))); |
187 | return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 0x14U)))); |
187 | } |
188 | } |
188 | |
189 | 189 | /** |
|
190 | /** |
190 | * @brief Get Flash memory size |
191 | * @brief Get Flash memory size |
191 | * @note For DEV_ID = 0x416 or 0x427 or 0x429 or 0x437, this field value indicates the Flash memory |
192 | * @note For DEV_ID = 0x416 or 0x427 or 0x429 or 0x437, this field value indicates the Flash memory |
192 | * size of the device in Kbytes.\n |
193 | * size of the device in Kbytes.\n |
193 | * Example: 0x0080 = 128 Kbytes.\n |
194 | * Example: 0x0080 = 128 Kbytes.\n |
194 | * For DEV_ID = 0x436, the field value can be '0' or '1', with '0' for 384 Kbytes and '1' for 256 Kbytes. |
195 | * For DEV_ID = 0x436, the field value can be '0' or '1', with '0' for 384 Kbytes and '1' for 256 Kbytes. |
195 | * @note For DEV_ID = 0x429, only LSB part of F_SIZE: F_SIZE[7:0] is valid. The MSB part |
196 | * @note For DEV_ID = 0x429, only LSB part of F_SIZE: F_SIZE[7:0] is valid. The MSB part |
196 | * F_SIZE[15:8] is reserved and must be ignored. |
197 | * F_SIZE[15:8] is reserved and must be ignored. |
197 | * @retval FLASH_SIZE[15:0]: Flash memory size |
198 | * @retval FLASH_SIZE[15:0]: Flash memory size |
198 | */ |
199 | */ |
199 | __STATIC_INLINE uint32_t LL_GetFlashSize(void) |
200 | __STATIC_INLINE uint32_t LL_GetFlashSize(void) |
200 | { |
201 | { |
201 | return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFFU); |
202 | return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFFU); |
202 | } |
203 | } |
203 | |
204 | 204 | ||
205 | 205 | /** |
|
206 | /** |
206 | * @} |
207 | * @} |
207 | */ |
208 | */ |
208 | |
209 | 209 | /** @defgroup UTILS_LL_EF_DELAY DELAY |
|
210 | /** @defgroup UTILS_LL_EF_DELAY DELAY |
210 | * @{ |
211 | * @{ |
211 | */ |
212 | */ |
212 | |
213 | 213 | /** |
|
214 | /** |
214 | * @brief This function configures the Cortex-M SysTick source of the time base. |
215 | * @brief This function configures the Cortex-M SysTick source of the time base. |
215 | * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro) |
216 | * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro) |
216 | * @note When a RTOS is used, it is recommended to avoid changing the SysTick |
217 | * @note When a RTOS is used, it is recommended to avoid changing the SysTick |
217 | * configuration by calling this function, for a delay use rather osDelay RTOS service. |
218 | * configuration by calling this function, for a delay use rather osDelay RTOS service. |
218 | * @param Ticks Number of ticks |
219 | * @param Ticks Number of ticks |
219 | * @retval None |
220 | * @retval None |
220 | */ |
221 | */ |
221 | __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks) |
222 | __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks) |
222 | { |
223 | { |
223 | /* Configure the SysTick to have interrupt in 1ms time base */ |
224 | /* Configure the SysTick to have interrupt in 1ms time base */ |
224 | SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */ |
225 | SysTick->LOAD = (uint32_t)((HCLKFrequency / Ticks) - 1UL); /* set reload register */ |
225 | SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ |
226 | SysTick->VAL = 0UL; /* Load the SysTick Counter Value */ |
226 | SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | |
227 | SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | |
227 | SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */ |
228 | SysTick_CTRL_ENABLE_Msk; /* Enable the Systick Timer */ |
228 | } |
229 | } |
229 | |
230 | 230 | void LL_Init1msTick(uint32_t HCLKFrequency); |
|
231 | void LL_Init1msTick(uint32_t HCLKFrequency); |
231 | void LL_mDelay(uint32_t Delay); |
232 | void LL_mDelay(uint32_t Delay); |
232 | |
233 | 233 | /** |
|
234 | /** |
234 | * @} |
235 | * @} |
235 | */ |
236 | */ |
236 | |
237 | 237 | /** @defgroup UTILS_EF_SYSTEM SYSTEM |
|
238 | /** @defgroup UTILS_EF_SYSTEM SYSTEM |
238 | * @{ |
239 | * @{ |
239 | */ |
240 | */ |
240 | |
241 | 241 | void LL_SetSystemCoreClock(uint32_t HCLKFrequency); |
|
242 | void LL_SetSystemCoreClock(uint32_t HCLKFrequency); |
242 | ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, |
243 | ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, |
243 | LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct); |
244 | LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct); |
244 | ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass, |
245 | ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass, |
245 | LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct); |
246 | LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct); |
246 | #if defined(FLASH_ACR_LATENCY) |
247 | #if defined(FLASH_ACR_LATENCY) |
247 | ErrorStatus LL_SetFlashLatency(uint32_t Frequency); |
248 | ErrorStatus LL_SetFlashLatency(uint32_t Frequency); |
248 | #endif /* FLASH_ACR_LATENCY */ |
249 | #endif /* FLASH_ACR_LATENCY */ |
249 | |
250 | 250 | /** |
|
251 | /** |
251 | * @} |
252 | * @} |
252 | */ |
253 | */ |
253 | |
254 | 254 | /** |
|
255 | /** |
255 | * @} |
256 | * @} |
256 | */ |
257 | */ |
257 | |
258 | 258 | /** |
|
259 | /** |
259 | * @} |
260 | * @} |
260 | */ |
261 | */ |
261 | |
262 | 262 | /** |
|
263 | /** |
263 | * @} |
264 | * @} |
264 | */ |
265 | */ |
265 | |
266 | 266 | #ifdef __cplusplus |
|
267 | #ifdef __cplusplus |
267 | } |
268 | } |
268 | #endif |
269 | #endif |
269 | |
270 | 270 | #endif /* __STM32L1xx_LL_UTILS_H */ |
|
271 | #endif /* __STM32L1xx_LL_UTILS_H */ |
- | |
272 | - | ||
273 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
- |