1 /**
2   ******************************************************************************
3   * @file    stm32l5xx_ll_utils.h
4   * @author  MCD Application Team
5   * @brief   Header file of UTILS LL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2019 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   @verbatim
18   ==============================================================================
19                      ##### How to use this driver #####
20   ==============================================================================
21     [..]
22     The LL UTILS driver contains a set of generic APIs that can be
23     used by user:
24       (+) Device electronic signature
25       (+) Timing functions
26       (+) PLL configuration functions
27 
28   @endverbatim
29   ******************************************************************************
30   */
31 
32 /* Define to prevent recursive inclusion -------------------------------------*/
33 #ifndef STM32L5xx_LL_UTILS_H
34 #define STM32L5xx_LL_UTILS_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 /* Includes ------------------------------------------------------------------*/
41 #include "stm32l5xx.h"
42 
43 /** @addtogroup STM32L5xx_LL_Driver
44   * @{
45   */
46 
47 /** @defgroup UTILS_LL UTILS
48   * @{
49   */
50 
51 /* Private types -------------------------------------------------------------*/
52 /* Private variables ---------------------------------------------------------*/
53 
54 /* Private constants ---------------------------------------------------------*/
55 /** @defgroup UTILS_LL_Private_Constants UTILS Private Constants
56   * @{
57   */
58 
59 /* Max delay can be used in LL_mDelay */
60 #define LL_MAX_DELAY                  0xFFFFFFFFU
61 
62 /**
63  * @brief Unique device ID register base address
64  */
65 #define UID_BASE_ADDRESS              UID_BASE
66 
67 /**
68  * @brief Flash size data register base address
69  */
70 #define FLASHSIZE_BASE_ADDRESS        FLASHSIZE_BASE
71 
72 /**
73  * @brief Package data register base address
74  */
75 #define PACKAGE_BASE_ADDRESS          PACKAGE_BASE
76 
77 /**
78   * @}
79   */
80 
81 /* Private macros ------------------------------------------------------------*/
82 /** @defgroup UTILS_LL_Private_Macros UTILS Private Macros
83   * @{
84   */
85 /**
86   * @}
87   */
88 /* Exported types ------------------------------------------------------------*/
89 /** @defgroup UTILS_LL_ES_INIT UTILS Exported structures
90   * @{
91   */
92 /**
93   * @brief  UTILS PLL structure definition
94   */
95 typedef struct
96 {
97   uint32_t PLLM;   /*!< Division factor for PLL VCO input clock.
98                         This parameter can be a value of @ref RCC_LL_EC_PLLM_DIV
99 
100                         This feature can be modified afterwards using unitary function
101                         @ref LL_RCC_PLL_ConfigDomain_SYS(). */
102 
103   uint32_t PLLN;   /*!< Multiplication factor for PLL VCO output clock.
104                         This parameter must be a number between Min_Data = 8 and Max_Data = 86
105 
106                         This feature can be modified afterwards using unitary function
107                         @ref LL_RCC_PLL_ConfigDomain_SYS(). */
108 
109   uint32_t PLLR;   /*!< Division for the main system clock.
110                         This parameter can be a value of @ref RCC_LL_EC_PLLR_DIV
111 
112                         This feature can be modified afterwards using unitary function
113                         @ref LL_RCC_PLL_ConfigDomain_SYS(). */
114 } LL_UTILS_PLLInitTypeDef;
115 
116 /**
117   * @brief  UTILS System, AHB and APB buses clock configuration structure definition
118   */
119 typedef struct
120 {
121   uint32_t AHBCLKDivider;         /*!< The AHB clock (HCLK) divider. This clock is derived from the system clock (SYSCLK).
122                                        This parameter can be a value of @ref RCC_LL_EC_SYSCLK_DIV
123 
124                                        This feature can be modified afterwards using unitary function
125                                        @ref LL_RCC_SetAHBPrescaler(). */
126 
127   uint32_t APB1CLKDivider;        /*!< The APB1 clock (PCLK1) divider. This clock is derived from the AHB clock (HCLK).
128                                        This parameter can be a value of @ref RCC_LL_EC_APB1_DIV
129 
130                                        This feature can be modified afterwards using unitary function
131                                        @ref LL_RCC_SetAPB1Prescaler(). */
132 
133   uint32_t APB2CLKDivider;        /*!< The APB2 clock (PCLK2) divider. This clock is derived from the AHB clock (HCLK).
134                                        This parameter can be a value of @ref RCC_LL_EC_APB2_DIV
135 
136                                        This feature can be modified afterwards using unitary function
137                                        @ref LL_RCC_SetAPB2Prescaler(). */
138 
139 } LL_UTILS_ClkInitTypeDef;
140 
141 /**
142   * @}
143   */
144 
145 /* Exported constants --------------------------------------------------------*/
146 /** @defgroup UTILS_LL_Exported_Constants UTILS Exported Constants
147   * @{
148   */
149 
150 /** @defgroup UTILS_EC_HSE_BYPASS HSE Bypass activation
151   * @{
152   */
153 #define LL_UTILS_HSEBYPASS_OFF        0x00000000U       /*!< HSE Bypass is not enabled                */
154 #define LL_UTILS_HSEBYPASS_ON         0x00000001U       /*!< HSE Bypass is enabled                    */
155 /**
156   * @}
157   */
158 
159 /** @defgroup UTILS_EC_PACKAGETYPE PACKAGE TYPE
160   * @{
161   */
162 #define LL_UTILS_PACKAGETYPE_LQFP64           0x00000000U /*!< LQFP64 package type                                 */
163 #define LL_UTILS_PACKAGETYPE_LQFP100          0x00000002U /*!< LQFP100 package type                                */
164 #define LL_UTILS_PACKAGETYPE_UFBGA132         0x00000003U /*!< UFBGA132 package type                               */
165 #define LL_UTILS_PACKAGETYPE_LQFP144          0x00000004U /*!< LQFP144 package type                                */
166 #define LL_UTILS_PACKAGETYPE_WLCSP81          0x00000005U /*!< WLCSP81 package type                                */
167 #define LL_UTILS_PACKAGETYPE_LQFP48           0x0000000BU /*!< LQFP48 and UFQFPN48 package type                    */
168 #define LL_UTILS_PACKAGETYPE_LQFP144_INTSMPS  0x00000011U /*!< LQFP144 with internal SMPS package type             */
169 #define LL_UTILS_PACKAGETYPE_UFBGA132_INTSMPS 0x00000012U /*!< UFBGA132 with internal SMPS package type            */
170 #define LL_UTILS_PACKAGETYPE_LQFP100_INTSMPS  0x00000013U /*!< LQFP100 with internal SMPS package type             */
171 #define LL_UTILS_PACKAGETYPE_WLCSP81_INTSMPS  0x00000014U /*!< WLCSP81 with internal SMPS package type             */
172 #define LL_UTILS_PACKAGETYPE_LQFP64_INTSMPS   0x00000015U /*!< LQFP64 with internal SMPS package type              */
173 #define LL_UTILS_PACKAGETYPE_LQFP48_INTSMPS   0x00000016U /*!< LQFP48 and UFQFPN48 with internal SMPS package type */
174 #define LL_UTILS_PACKAGETYPE_LQFP144_EXTSMPS  0x00000018U /*!< LQFP144 with external SMPS package type             */
175 #define LL_UTILS_PACKAGETYPE_UFBGA132_EXTSMPS 0x00000019U /*!< UFBGA132 with external SMPS package type            */
176 #define LL_UTILS_PACKAGETYPE_LQFP100_EXTSMPS  0x0000001AU /*!< LQFP100 with external SMPS package type             */
177 #define LL_UTILS_PACKAGETYPE_WLCSP81_EXTSMPS  0x0000001BU /*!< WLCSP81 with external SMPS package type             */
178 #define LL_UTILS_PACKAGETYPE_LQFP64_EXTSMPS   0x0000001CU /*!< LQFP64 with external SMPS package type              */
179 #define LL_UTILS_PACKAGETYPE_LQFP48_EXTSMPS   0x0000001DU /*!< LQFP48 with external SMPS package type              */
180 /**
181   * @}
182   */
183 
184 /**
185   * @}
186   */
187 
188 /* Exported macro ------------------------------------------------------------*/
189 
190 /* Exported functions --------------------------------------------------------*/
191 /** @defgroup UTILS_LL_Exported_Functions UTILS Exported Functions
192   * @{
193   */
194 
195 /** @defgroup UTILS_EF_DEVICE_ELECTRONIC_SIGNATURE DEVICE ELECTRONIC SIGNATURE
196   * @{
197   */
198 
199 /**
200   * @brief  Get Word0 of the unique device identifier (UID based on 96 bits)
201   * @retval UID[31:0]: X and Y coordinates on the wafer expressed in BCD format
202   */
LL_GetUID_Word0(void)203 __STATIC_INLINE uint32_t LL_GetUID_Word0(void)
204 {
205   return (uint32_t)(READ_REG(*((uint32_t *)UID_BASE_ADDRESS)));
206 }
207 
208 /**
209   * @brief  Get Word1 of the unique device identifier (UID based on 96 bits)
210   * @retval UID[63:32]: Wafer number (UID[39:32]) & LOT_NUM[23:0] (UID[63:40])
211   */
LL_GetUID_Word1(void)212 __STATIC_INLINE uint32_t LL_GetUID_Word1(void)
213 {
214   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 4U))));
215 }
216 
217 /**
218   * @brief  Get Word2 of the unique device identifier (UID based on 96 bits)
219   * @retval UID[95:64]: Lot number (ASCII encoded) - LOT_NUM[55:24]
220   */
LL_GetUID_Word2(void)221 __STATIC_INLINE uint32_t LL_GetUID_Word2(void)
222 {
223   return (uint32_t)(READ_REG(*((uint32_t *)(UID_BASE_ADDRESS + 8U))));
224 }
225 
226 /**
227   * @brief  Get Flash memory size
228   * @note   This bitfield indicates the size of the device Flash memory expressed in
229   *         Kbytes. As an example, 0x040 corresponds to 64 Kbytes.
230   * @retval FLASH_SIZE[15:0]: Flash memory size
231   */
LL_GetFlashSize(void)232 __STATIC_INLINE uint32_t LL_GetFlashSize(void)
233 {
234   return (uint32_t)(READ_REG(*((uint32_t *)FLASHSIZE_BASE_ADDRESS)) & 0xFFFFU);
235 }
236 
237 /**
238   * @brief  Get Package type
239   * @retval Returned value can be one of the following values:
240   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP64
241   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100
242   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA132
243   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144
244   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP81
245   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP48
246   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_INTSMPS
247   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA132_INTSMPS
248   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_INTSMPS
249   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP81_INTSMPS
250   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP64_INTSMPS
251   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP48_INTSMPS
252   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP144_EXTSMPS
253   *         @arg @ref LL_UTILS_PACKAGETYPE_UFBGA132_EXTSMPS
254   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP100_EXTSMPS
255   *         @arg @ref LL_UTILS_PACKAGETYPE_WLCSP81_EXTSMPS
256   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP64_EXTSMPS
257   *         @arg @ref LL_UTILS_PACKAGETYPE_LQFP48_EXTSMPS
258   */
LL_GetPackageType(void)259 __STATIC_INLINE uint32_t LL_GetPackageType(void)
260 {
261   return (uint32_t)(READ_REG(*((uint32_t *)PACKAGE_BASE_ADDRESS)) & 0x1FU);
262 }
263 
264 /**
265   * @}
266   */
267 
268 /** @defgroup UTILS_LL_EF_DELAY DELAY
269   * @{
270   */
271 
272 /**
273   * @brief  This function configures the Cortex-M SysTick source of the time base.
274   * @param  HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro)
275   * @note   When a RTOS is used, it is recommended to avoid changing the SysTick
276   *         configuration by calling this function, for a delay use rather osDelay RTOS service.
277   * @param  Ticks Frequency of Ticks (Hz)
278   * @retval None
279   */
LL_InitTick(uint32_t HCLKFrequency,uint32_t Ticks)280 __STATIC_INLINE void LL_InitTick(uint32_t HCLKFrequency, uint32_t Ticks)
281 {
282   /* Configure the SysTick to have interrupt in 1ms time base */
283   SysTick->LOAD  = (uint32_t)((HCLKFrequency / Ticks) - 1UL);  /* set reload register */
284   SysTick->VAL   = 0UL;                                       /* Load the SysTick Counter Value */
285   SysTick->CTRL  = SysTick_CTRL_CLKSOURCE_Msk |
286                    SysTick_CTRL_ENABLE_Msk;                   /* Enable the Systick Timer */
287 }
288 
289 void        LL_Init1msTick(uint32_t HCLKFrequency);
290 void        LL_mDelay(uint32_t Delay);
291 
292 /**
293   * @}
294   */
295 
296 /** @defgroup UTILS_EF_SYSTEM SYSTEM
297   * @{
298   */
299 
300 void        LL_SetSystemCoreClock(uint32_t HCLKFrequency);
301 ErrorStatus LL_SetFlashLatency(uint32_t HCLKFrequency);
302 ErrorStatus LL_PLL_ConfigSystemClock_MSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
303                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
304 ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct,
305                                          LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
306 ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass,
307                                          LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct);
308 
309 /**
310   * @}
311   */
312 
313 /**
314   * @}
315   */
316 
317 /**
318   * @}
319   */
320 
321 /**
322   * @}
323   */
324 
325 #ifdef __cplusplus
326 }
327 #endif
328 
329 #endif /* STM32L5xx_LL_UTILS_H */
330